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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_825F71C64775515CFCA24BF84D0CCAF2" xlink:to="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeDomain_825F71C64775515CFCA24BF84D0CCAF2" xlink:type="arc" />
    <link:label id="lab_aaon_ExercisePriceRangeAMember_0414ED6326B5E202AF2F4BF84D0C141E_terseLabel_en-US" xlink:label="lab_aaon_ExercisePriceRangeAMember_0414ED6326B5E202AF2F4BF84D0C141E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$3.21 - 6.89</link:label>
    <link:label id="lab_aaon_ExercisePriceRangeAMember_0414ED6326B5E202AF2F4BF84D0C141E_label_en-US" xlink:label="lab_aaon_ExercisePriceRangeAMember_0414ED6326B5E202AF2F4BF84D0C141E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">$7.21 - $9.71</link:label>
    <link:label id="lab_aaon_ExercisePriceRangeAMember_0414ED6326B5E202AF2F4BF84D0C141E_documentation_en-US" xlink:label="lab_aaon_ExercisePriceRangeAMember_0414ED6326B5E202AF2F4BF84D0C141E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="aaon-20141231.xsd#aaon_ExercisePriceRangeAMember" xlink:label="loc_aaon_ExercisePriceRangeAMember_0414ED6326B5E202AF2F4BF84D0C141E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_aaon_ExercisePriceRangeAMember_0414ED6326B5E202AF2F4BF84D0C141E" xlink:to="lab_aaon_ExercisePriceRangeAMember_0414ED6326B5E202AF2F4BF84D0C141E" xlink:type="arc" />
    <link:label id="lab_aaon_ExercisePriceRangeBMember_49F9149E3A011011F05B4BF84D0CE322_terseLabel_en-US" xlink:label="lab_aaon_ExercisePriceRangeBMember_49F9149E3A011011F05B4BF84D0CE322" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$7.13 - 8.17</link:label>
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    <link:loc xlink:href="aaon-20141231.xsd#aaon_ExercisePriceRangeBMember" xlink:label="loc_aaon_ExercisePriceRangeBMember_49F9149E3A011011F05B4BF84D0CE322" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_aaon_ExercisePriceRangeBMember_49F9149E3A011011F05B4BF84D0CE322" xlink:to="lab_aaon_ExercisePriceRangeBMember_49F9149E3A011011F05B4BF84D0CE322" xlink:type="arc" />
    <link:label id="lab_aaon_ExercisePriceRangeCMember_0EC125D203E84F944C364BF84D0CB8DE_terseLabel_en-US" xlink:label="lab_aaon_ExercisePriceRangeCMember_0EC125D203E84F944C364BF84D0CB8DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$8.65 - 21.14</link:label>
    <link:label id="lab_aaon_ExercisePriceRangeCMember_0EC125D203E84F944C364BF84D0CB8DE_label_en-US" xlink:label="lab_aaon_ExercisePriceRangeCMember_0EC125D203E84F944C364BF84D0CB8DE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">$13.70 - $21.01</link:label>
    <link:label id="lab_aaon_ExercisePriceRangeCMember_0EC125D203E84F944C364BF84D0CB8DE_documentation_en-US" xlink:label="lab_aaon_ExercisePriceRangeCMember_0EC125D203E84F944C364BF84D0CB8DE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="aaon-20141231.xsd#aaon_ExercisePriceRangeCMember" xlink:label="loc_aaon_ExercisePriceRangeCMember_0EC125D203E84F944C364BF84D0CB8DE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_aaon_ExercisePriceRangeCMember_0EC125D203E84F944C364BF84D0CB8DE" xlink:to="lab_aaon_ExercisePriceRangeCMember_0EC125D203E84F944C364BF84D0CB8DE" xlink:type="arc" />
    <link:label id="lab_aaon_ExercisePriceRangeEMember_0EBFAF8BE046B6E9BD7B4BF84D0C3DB6_terseLabel_en-US" xlink:label="lab_aaon_ExercisePriceRangeEMember_0EBFAF8BE046B6E9BD7B4BF84D0C3DB6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$8.65 - 9.34</link:label>
    <link:label id="lab_aaon_ExercisePriceRangeEMember_0EBFAF8BE046B6E9BD7B4BF84D0C3DB6_label_en-US" xlink:label="lab_aaon_ExercisePriceRangeEMember_0EBFAF8BE046B6E9BD7B4BF84D0C3DB6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">$6.45 - $7.21</link:label>
    <link:label id="lab_aaon_ExercisePriceRangeEMember_0EBFAF8BE046B6E9BD7B4BF84D0C3DB6_documentation_en-US" xlink:label="lab_aaon_ExercisePriceRangeEMember_0EBFAF8BE046B6E9BD7B4BF84D0C3DB6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="aaon-20141231.xsd#aaon_ExercisePriceRangeEMember" xlink:label="loc_aaon_ExercisePriceRangeEMember_0EBFAF8BE046B6E9BD7B4BF84D0C3DB6" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_aaon_ExercisePriceRangeEMember_0EBFAF8BE046B6E9BD7B4BF84D0C3DB6" xlink:to="lab_aaon_ExercisePriceRangeEMember_0EBFAF8BE046B6E9BD7B4BF84D0C3DB6" xlink:type="arc" />
    <link:label id="lab_aaon_ExercisePriceRangeFMember_5A4625135B0B44989A124BF84D0CD041_terseLabel_en-US" xlink:label="lab_aaon_ExercisePriceRangeFMember_5A4625135B0B44989A124BF84D0CD041" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$3.21 - 4.31</link:label>
    <link:label id="lab_aaon_ExercisePriceRangeFMember_5A4625135B0B44989A124BF84D0CD041_label_en-US" xlink:label="lab_aaon_ExercisePriceRangeFMember_5A4625135B0B44989A124BF84D0CD041" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">$7.53 - $10.66</link:label>
    <link:label id="lab_aaon_ExercisePriceRangeFMember_5A4625135B0B44989A124BF84D0CD041_documentation_en-US" xlink:label="lab_aaon_ExercisePriceRangeFMember_5A4625135B0B44989A124BF84D0CD041" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="aaon-20141231.xsd#aaon_ExercisePriceRangeFMember" xlink:label="loc_aaon_ExercisePriceRangeFMember_5A4625135B0B44989A124BF84D0CD041" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_aaon_ExercisePriceRangeFMember_5A4625135B0B44989A124BF84D0CD041" xlink:to="lab_aaon_ExercisePriceRangeFMember_5A4625135B0B44989A124BF84D0CD041" xlink:type="arc" />
    <link:label id="lab_aaon_ExercisePriceRangeGMember_49DDF3111565BE93E7564BF84D0D9080_terseLabel_en-US" xlink:label="lab_aaon_ExercisePriceRangeGMember_49DDF3111565BE93E7564BF84D0D9080" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$4.54 - 5.77</link:label>
    <link:label id="lab_aaon_ExercisePriceRangeGMember_49DDF3111565BE93E7564BF84D0D9080_label_en-US" xlink:label="lab_aaon_ExercisePriceRangeGMember_49DDF3111565BE93E7564BF84D0D9080" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">$10.75 - $13.79</link:label>
    <link:label id="lab_aaon_ExercisePriceRangeGMember_49DDF3111565BE93E7564BF84D0D9080_documentation_en-US" xlink:label="lab_aaon_ExercisePriceRangeGMember_49DDF3111565BE93E7564BF84D0D9080" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="aaon-20141231.xsd#aaon_ExercisePriceRangeGMember" xlink:label="loc_aaon_ExercisePriceRangeGMember_49DDF3111565BE93E7564BF84D0D9080" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_aaon_ExercisePriceRangeGMember_49DDF3111565BE93E7564BF84D0D9080" xlink:to="lab_aaon_ExercisePriceRangeGMember_49DDF3111565BE93E7564BF84D0D9080" xlink:type="arc" />
    <link:label id="lab_aaon_ExercisePriceRangeHMember_760897736D45A87783FF4BF84D0D8C8A_terseLabel_en-US" xlink:label="lab_aaon_ExercisePriceRangeHMember_760897736D45A87783FF4BF84D0D8C8A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$6.09 - 8.13</link:label>
    <link:label id="lab_aaon_ExercisePriceRangeHMember_760897736D45A87783FF4BF84D0D8C8A_label_en-US" xlink:label="lab_aaon_ExercisePriceRangeHMember_760897736D45A87783FF4BF84D0D8C8A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">$15.51 - $21.57</link:label>
    <link:label id="lab_aaon_ExercisePriceRangeHMember_760897736D45A87783FF4BF84D0D8C8A_documentation_en-US" xlink:label="lab_aaon_ExercisePriceRangeHMember_760897736D45A87783FF4BF84D0D8C8A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="aaon-20141231.xsd#aaon_ExercisePriceRangeHMember" xlink:label="loc_aaon_ExercisePriceRangeHMember_760897736D45A87783FF4BF84D0D8C8A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_aaon_ExercisePriceRangeHMember_760897736D45A87783FF4BF84D0D8C8A" xlink:to="lab_aaon_ExercisePriceRangeHMember_760897736D45A87783FF4BF84D0D8C8A" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementLineItems_915E8B14BE1350C7C3924BF84D0D789A_terseLabel_en-US" xlink:label="lab_us-gaap_StatementLineItems_915E8B14BE1350C7C3924BF84D0D789A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</link:label>
    <link:label id="lab_us-gaap_StatementLineItems_915E8B14BE1350C7C3924BF84D0D789A_label_en-US" xlink:label="lab_us-gaap_StatementLineItems_915E8B14BE1350C7C3924BF84D0D789A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_915E8B14BE1350C7C3924BF84D0D789A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementLineItems_915E8B14BE1350C7C3924BF84D0D789A" xlink:to="lab_us-gaap_StatementLineItems_915E8B14BE1350C7C3924BF84D0D789A" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_4DCA22FA72BFFEF4D1864BF84D0D9455_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_4DCA22FA72BFFEF4D1864BF84D0D9455" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range of exercise prices, lower range</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_4DCA22FA72BFFEF4D1864BF84D0D9455_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_4DCA22FA72BFFEF4D1864BF84D0D9455" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_4DCA22FA72BFFEF4D1864BF84D0D9455" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_4DCA22FA72BFFEF4D1864BF84D0D9455" xlink:to="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit_4DCA22FA72BFFEF4D1864BF84D0D9455" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_2B3BC5D06209D13979C64BF84D0DF3E7_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_2B3BC5D06209D13979C64BF84D0DF3E7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range of exercise prices, upper range</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_2B3BC5D06209D13979C64BF84D0DF3E7_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_2B3BC5D06209D13979C64BF84D0DF3E7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_2B3BC5D06209D13979C64BF84D0DF3E7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_2B3BC5D06209D13979C64BF84D0DF3E7" xlink:to="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit_2B3BC5D06209D13979C64BF84D0DF3E7" xlink:type="arc" />
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_09356BCE8FBBF010DF3B4BF84D0D7774_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_09356BCE8FBBF010DF3B4BF84D0D7774" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares vested and exercisable</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_09356BCE8FBBF010DF3B4BF84D0D7774_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_09356BCE8FBBF010DF3B4BF84D0D7774" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions" xlink:label="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_09356BCE8FBBF010DF3B4BF84D0D7774" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_09356BCE8FBBF010DF3B4BF84D0D7774" xlink:to="lab_us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions_09356BCE8FBBF010DF3B4BF84D0D7774" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_ED65A7E35355D84915E14BF84D0D5420_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_ED65A7E35355D84915E14BF84D0D5420" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options vested and exercisable weighted average remaining contractual life</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_ED65A7E35355D84915E14BF84D0D5420_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_ED65A7E35355D84915E14BF84D0D5420" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2" xlink:label="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_ED65A7E35355D84915E14BF84D0D5420" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_ED65A7E35355D84915E14BF84D0D5420" xlink:to="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageRemainingContractualTerm2_ED65A7E35355D84915E14BF84D0D5420" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_C5EB0D523027742F0D694BF84D0E1DC9_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_C5EB0D523027742F0D694BF84D0E1DC9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options vested and exercisable weighted average exercise price</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_C5EB0D523027742F0D694BF84D0E1DC9_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_C5EB0D523027742F0D694BF84D0E1DC9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1" xlink:label="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_C5EB0D523027742F0D694BF84D0E1DC9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_C5EB0D523027742F0D694BF84D0E1DC9" xlink:to="lab_us-gaap_SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1_C5EB0D523027742F0D694BF84D0E1DC9" xlink:type="arc" />
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_41138F565038C64E2A094BF84D0E1E13_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_41138F565038C64E2A094BF84D0E1E13" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Options vested and exercisable intrinsic value</link:label>
    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_41138F565038C64E2A094BF84D0E1E13_label_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_41138F565038C64E2A094BF84D0E1E13" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_41138F565038C64E2A094BF84D0E1E13" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_41138F565038C64E2A094BF84D0E1E13" xlink:to="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_41138F565038C64E2A094BF84D0E1E13" xlink:type="arc" />
    <link:label id="lab_us-gaap_StatementOfStockholdersEquityAbstract_7D719DC021886ED100174063717368DB_label_en-US" xlink:label="lab_us-gaap_StatementOfStockholdersEquityAbstract_7D719DC021886ED100174063717368DB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Stockholders' Equity [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_StatementOfStockholdersEquityAbstract" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract_7D719DC021886ED100174063717368DB" xlink:type="locator" />
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    <link:label id="lab_us-gaap_VariableRateAxis_FFDC48DCB71E40B41BBF79D1067752D4_label_en-US" xlink:label="lab_us-gaap_VariableRateAxis_FFDC48DCB71E40B41BBF79D1067752D4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Rate [Axis]</link:label>
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    <link:label id="lab_us-gaap_VariableRateDomain_AE10F55E2DB5BDEE365379D10677594D_label_en-US" xlink:label="lab_us-gaap_VariableRateDomain_AE10F55E2DB5BDEE365379D10677594D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Rate [Domain]</link:label>
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    <link:label id="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_665BA852AA8DADD4ECD679D1067852A7_label_en-US" xlink:label="lab_us-gaap_LondonInterbankOfferedRateLIBORMember_665BA852AA8DADD4ECD679D1067852A7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">London Interbank Offered Rate (LIBOR) [Member]</link:label>
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    <link:label id="lab_us-gaap_SubsequentEventTypeAxis_A2819BD81249BF326FF879D106787D4E_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeAxis_A2819BD81249BF326FF879D106787D4E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Event Type [Axis]</link:label>
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    <link:label id="lab_us-gaap_SubsequentEventTypeDomain_ABA16FA909C282CF4AF179D10678C696_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeDomain_ABA16FA909C282CF4AF179D10678C696" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Event Type [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SubsequentEventTypeDomain" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_ABA16FA909C282CF4AF179D10678C696" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityLineItems_6A9F5ADD91184D0D4F7B79D1067923BD_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLineItems_6A9F5ADD91184D0D4F7B79D1067923BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_6A9F5ADD91184D0D4F7B79D1067923BD" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_D8C3DE3750C75ED0D48F79D10679B29D_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_D8C3DE3750C75ED0D48F79D10679B29D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit facility maximum borrowings</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_D8C3DE3750C75ED0D48F79D10679B29D_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_D8C3DE3750C75ED0D48F79D10679B29D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_D8C3DE3750C75ED0D48F79D10679B29D" xlink:type="locator" />
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    <link:label id="lab_aaon_LineOfCreditFacilityStandbyLetterOfCredit_981D2F35BD3CDA1EC10D79D1067967F6_terseLabel_en-US" xlink:label="lab_aaon_LineOfCreditFacilityStandbyLetterOfCredit_981D2F35BD3CDA1EC10D79D1067967F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Standby letter of credit</link:label>
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    <link:label id="lab_aaon_LineOfCreditFacilityStandbyLetterOfCredit_981D2F35BD3CDA1EC10D79D1067967F6_documentation_en-US" xlink:label="lab_aaon_LineOfCreditFacilityStandbyLetterOfCredit_981D2F35BD3CDA1EC10D79D1067967F6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of standby letter of credit outstanding under the revolving credit agreement.</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_918B8B35F206B90C7C0D79D106790FF6_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_918B8B35F206B90C7C0D79D106790FF6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stated percentage</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityCommitmentFeeAmount_FDDC1100BCAB03C2974279D106790357_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityCommitmentFeeAmount_FDDC1100BCAB03C2974279D106790357" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fees associated with unused portion of committed amount</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_F04F5627E70DE7C31F734BF84D14DC86_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_F04F5627E70DE7C31F734BF84D14DC86" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Risk-free interest rate</link:label>
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    <link:label id="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_D83FD67CA7881526FA054BF84D14914C_terseLabel_en-US" xlink:label="lab_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_D83FD67CA7881526FA054BF84D14914C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected life (in years)</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_D83FD67CA7881526FA054BF84D14914C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_4487087E3B0EE873EF31406371C845BF_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward_4487087E3B0EE873EF31406371C845BF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_796BBF62368294BEB2E1406371C804C0_periodStartLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_796BBF62368294BEB2E1406371C804C0" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Outstanding, beginning of period (weighted average exercise price)</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_A21FD3B59D049C6E6B03406371C8B2DB_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_A21FD3B59D049C6E6B03406371C8B2DB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Granted (weighted average exercise price)</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_3BDA37136809E10DFE65406371C88E59_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_3BDA37136809E10DFE65406371C88E59" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercised (weighted average exercise price)</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_2837461180C1D80251F3406371C8A110_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice_2837461180C1D80251F3406371C8A110" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forfeited or Expired (weighted average exercise price)</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_EA2C0E39C9E21DFB3CDA406371C8E166_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_EA2C0E39C9E21DFB3CDA406371C8E166" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Outstanding, end of period (weighted average exercise price)</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_A9801B3707B9D0DE0AA7406371C8C91A_periodEndLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_A9801B3707B9D0DE0AA7406371C8C91A" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Exercisable, end of period (weighted average exercise price)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_A9801B3707B9D0DE0AA7406371C8C91A_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_A9801B3707B9D0DE0AA7406371C8C91A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_A9801B3707B9D0DE0AA7406371C8C91A" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_A9801B3707B9D0DE0AA7406371C8C91A" xlink:type="arc" />
    <link:label id="lab_us-gaap_DeferredTaxAssetsNetCurrentClassificationAbstract_F3DD463803DAB1B28841B8F5C090C97E_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredTaxAssetsNetCurrentClassificationAbstract_F3DD463803DAB1B28841B8F5C090C97E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net current deferred assets and (liabilities) relating to:</link:label>
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    <link:label id="lab_aaon_DeferredTaxAssetValuationReservesCurrent_B73DFC1F511BC302CD76B8F5C090E934_terseLabel_en-US" xlink:label="lab_aaon_DeferredTaxAssetValuationReservesCurrent_B73DFC1F511BC302CD76B8F5C090E934" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable and inventory reserves</link:label>
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    <link:label id="lab_aaon_DeferredTaxAssetWarrantyAccrualCurrent_5044E711509F7C8402B4B8F5C0902077_terseLabel_en-US" xlink:label="lab_aaon_DeferredTaxAssetWarrantyAccrualCurrent_5044E711509F7C8402B4B8F5C0902077" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warranty accrual</link:label>
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    <link:label id="lab_aaon_PaymentsToAcquireCertificatesOfDeposits_A606E8B9C832F375284394666A878035_terseLabel_en-US" xlink:label="lab_aaon_PaymentsToAcquireCertificatesOfDeposits_A606E8B9C832F375284394666A878035" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments in certificates of deposit</link:label>
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    <link:label id="lab_us-gaap_HeldToMaturitySecurities_437D560D838F3DEF145294666A87C7A6_verboseLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecurities_437D560D838F3DEF145294666A87C7A6" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Investments held to maturity</link:label>
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    <link:label id="lab_us-gaap_InterestIncomeExpenseNet_5E117637AB258B8D53445FEE96FB252F_label_en-US" xlink:label="lab_us-gaap_InterestIncomeExpenseNet_5E117637AB258B8D53445FEE96FB252F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Income (Expense), Net</link:label>
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    <link:label id="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4EC1F42F9C51E5490C135FEE96FB92F6_totalLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_4EC1F42F9C51E5490C135FEE96FB92F6" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Income before taxes</link:label>
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    <link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_68729A34F95676664CD15FEE96FBE534_label_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit_68729A34F95676664CD15FEE96FBE534" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Expense (Benefit)</link:label>
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    <link:label id="lab_us-gaap_EarningsPerShareAbstract_9A5F8D35747FC98867BC5FEE96FB91CA_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract_9A5F8D35747FC98867BC5FEE96FB91CA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per share:</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="loc_us-gaap_EarningsPerShareAbstract_9A5F8D35747FC98867BC5FEE96FB91CA" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CommonStockDividendsPerShareDeclared_C139F06F8B831A2DF2E85FEE96FBA41D_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareDeclared_C139F06F8B831A2DF2E85FEE96FBA41D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash dividends declared per common share</link:label>
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    <link:label id="lab_us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract_27AA4B9CCA1E7BA8294E5FEE96FB8855_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicAndDilutedOtherDisclosuresAbstract_27AA4B9CCA1E7BA8294E5FEE96FB8855" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average shares outstanding:</link:label>
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    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_4E1942E812D01577D1AC5FEE96FB651C_verboseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_4E1942E812D01577D1AC5FEE96FB651C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Basic</link:label>
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    <link:label id="lab_us-gaap_GrossProfit_6399CD5EC50ECA4A766B4063718EB0BA_terseLabel_en-US" xlink:label="lab_us-gaap_GrossProfit_6399CD5EC50ECA4A766B4063718EB0BA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gross profit</link:label>
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    <link:label id="lab_aaon_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpenseStockOptions_56C2C8AEDAA057865A48406371BFE2BC_verboseLabel_en-US" xlink:label="lab_aaon_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpenseStockOptions_56C2C8AEDAA057865A48406371BFE2BC" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Options</link:label>
    <link:label id="lab_aaon_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpenseStockOptions_56C2C8AEDAA057865A48406371BFE2BC_label_en-US" xlink:label="lab_aaon_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpenseStockOptions_56C2C8AEDAA057865A48406371BFE2BC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpenseStockOptions</link:label>
    <link:label id="lab_aaon_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpenseStockOptions_56C2C8AEDAA057865A48406371BFE2BC_documentation_en-US" xlink:label="lab_aaon_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpenseStockOptions_56C2C8AEDAA057865A48406371BFE2BC" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tax benefit from share-based compensation related to options.</link:label>
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    <link:label id="lab_aaon_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpenseRestrictedStock_97C8E51CAB62EB39A29B406371BFCF5A_verboseLabel_en-US" xlink:label="lab_aaon_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpenseRestrictedStock_97C8E51CAB62EB39A29B406371BFCF5A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Restricted stock</link:label>
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    <link:label id="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_16AFFC214C4A5A9800BF406371BFFC51_totalLabel_en-US" xlink:label="lab_us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense_16AFFC214C4A5A9800BF406371BFFC51" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
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    <link:label id="lab_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAwardedInPeriodFairValue_9467EFF3C706F3B80C5C4063722FE88E_label_en-US" xlink:label="lab_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAwardedInPeriodFairValue_9467EFF3C706F3B80C5C4063722FE88E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Options</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAwardedInPeriodFairValue_9467EFF3C706F3B80C5C4063722FE88E" xlink:to="lab_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAwardedInPeriodFairValue_9467EFF3C706F3B80C5C4063722FE88E" xlink:type="arc" />
    <link:label id="lab_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestricedStockAwardedInPeriodFairValue_2D3C3741711A70EAC9744063722F0B2F_terseLabel_en-US" xlink:label="lab_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestricedStockAwardedInPeriodFairValue_2D3C3741711A70EAC9744063722F0B2F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted stock</link:label>
    <link:label id="lab_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestricedStockAwardedInPeriodFairValue_2D3C3741711A70EAC9744063722F0B2F_label_en-US" xlink:label="lab_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestricedStockAwardedInPeriodFairValue_2D3C3741711A70EAC9744063722F0B2F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted stock</link:label>
    <link:label id="lab_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestricedStockAwardedInPeriodFairValue_2D3C3741711A70EAC9744063722F0B2F_documentation_en-US" xlink:label="lab_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestricedStockAwardedInPeriodFairValue_2D3C3741711A70EAC9744063722F0B2F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value of restricted stock awarded during period.</link:label>
    <link:loc xlink:href="aaon-20141231.xsd#aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestricedStockAwardedInPeriodFairValue" xlink:label="loc_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestricedStockAwardedInPeriodFairValue_2D3C3741711A70EAC9744063722F0B2F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestricedStockAwardedInPeriodFairValue_2D3C3741711A70EAC9744063722F0B2F" xlink:to="lab_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestricedStockAwardedInPeriodFairValue_2D3C3741711A70EAC9744063722F0B2F" xlink:type="arc" />
    <link:label id="lab_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardTotalAwardedInPeriodFairValue_336DB037CCDCEA20B1534063722FD239_totalLabel_en-US" xlink:label="lab_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardTotalAwardedInPeriodFairValue_336DB037CCDCEA20B1534063722FD239" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardTotalAwardedInPeriodFairValue_336DB037CCDCEA20B1534063722FD239_label_en-US" xlink:label="lab_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardTotalAwardedInPeriodFairValue_336DB037CCDCEA20B1534063722FD239" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ShareBasedCompensationArrangementByShareBasedPaymentAwardTotalAwardedInPeriodFairValue</link:label>
    <link:label id="lab_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardTotalAwardedInPeriodFairValue_336DB037CCDCEA20B1534063722FD239_documentation_en-US" xlink:label="lab_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardTotalAwardedInPeriodFairValue_336DB037CCDCEA20B1534063722FD239" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Total fair value of options and restricted stock awarded during period.</link:label>
    <link:loc xlink:href="aaon-20141231.xsd#aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardTotalAwardedInPeriodFairValue" xlink:label="loc_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardTotalAwardedInPeriodFairValue_336DB037CCDCEA20B1534063722FD239" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardTotalAwardedInPeriodFairValue_336DB037CCDCEA20B1534063722FD239" xlink:to="lab_aaon_ShareBasedCompensationArrangementByShareBasedPaymentAwardTotalAwardedInPeriodFairValue_336DB037CCDCEA20B1534063722FD239" xlink:type="arc" />
    <link:label id="lab_aaon_NoteReceivableAbstract_0A48AFA75DED2E299B48406371A361BE_label_en-US" xlink:label="lab_aaon_NoteReceivableAbstract_0A48AFA75DED2E299B48406371A361BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Receivable [Abstract]</link:label>
    <link:label id="lab_aaon_NoteReceivableAbstract_0A48AFA75DED2E299B48406371A361BE_documentation_en-US" xlink:label="lab_aaon_NoteReceivableAbstract_0A48AFA75DED2E299B48406371A361BE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">-- None. No documentation exists for this element. --</link:label>
    <link:loc xlink:href="aaon-20141231.xsd#aaon_NoteReceivableAbstract" xlink:label="loc_aaon_NoteReceivableAbstract_0A48AFA75DED2E299B48406371A361BE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_aaon_NoteReceivableAbstract_0A48AFA75DED2E299B48406371A361BE" xlink:to="lab_aaon_NoteReceivableAbstract_0A48AFA75DED2E299B48406371A361BE" xlink:type="arc" />
    <link:label id="lab_aaon_NoteReceivableDisclosureTextBlock_05F8AA24B70B8CD9D704406371A3E165_verboseLabel_en-US" xlink:label="lab_aaon_NoteReceivableDisclosureTextBlock_05F8AA24B70B8CD9D704406371A3E165" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Note Receivable</link:label>
    <link:label id="lab_aaon_NoteReceivableDisclosureTextBlock_05F8AA24B70B8CD9D704406371A3E165_label_en-US" xlink:label="lab_aaon_NoteReceivableDisclosureTextBlock_05F8AA24B70B8CD9D704406371A3E165" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Note Receivable Disclosure [Text Block]</link:label>
    <link:label id="lab_aaon_NoteReceivableDisclosureTextBlock_05F8AA24B70B8CD9D704406371A3E165_documentation_en-US" xlink:label="lab_aaon_NoteReceivableDisclosureTextBlock_05F8AA24B70B8CD9D704406371A3E165" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of notes receivable.</link:label>
    <link:loc xlink:href="aaon-20141231.xsd#aaon_NoteReceivableDisclosureTextBlock" xlink:label="loc_aaon_NoteReceivableDisclosureTextBlock_05F8AA24B70B8CD9D704406371A3E165" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_aaon_NoteReceivableDisclosureTextBlock_05F8AA24B70B8CD9D704406371A3E165" xlink:to="lab_aaon_NoteReceivableDisclosureTextBlock_05F8AA24B70B8CD9D704406371A3E165" xlink:type="arc" />
    <link:label id="lab_us-gaap_ConsolidationPolicyTextBlock_C98582492EF1E884FEA35FEE96C8D054_terseLabel_en-US" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock_C98582492EF1E884FEA35FEE96C8D054" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Principles of Consolidation</link:label>
    <link:label id="lab_us-gaap_ConsolidationPolicyTextBlock_C98582492EF1E884FEA35FEE96C8D054_label_en-US" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock_C98582492EF1E884FEA35FEE96C8D054" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidation, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="loc_us-gaap_ConsolidationPolicyTextBlock_C98582492EF1E884FEA35FEE96C8D054" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConsolidationPolicyTextBlock_C98582492EF1E884FEA35FEE96C8D054" xlink:to="lab_us-gaap_ConsolidationPolicyTextBlock_C98582492EF1E884FEA35FEE96C8D054" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_9E23E52F9485FDF532475FEE96C9E94F_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_9E23E52F9485FDF532475FEE96C9E94F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_9E23E52F9485FDF532475FEE96C9E94F_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_9E23E52F9485FDF532475FEE96C9E94F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_9E23E52F9485FDF532475FEE96C9E94F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_9E23E52F9485FDF532475FEE96C9E94F" xlink:to="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_9E23E52F9485FDF532475FEE96C9E94F" xlink:type="arc" />
    <link:label id="lab_us-gaap_InvestmentPolicyTextBlock_56BBAE4E12375E1A5E635FEE96C9DAF9_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentPolicyTextBlock_56BBAE4E12375E1A5E635FEE96C9DAF9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments</link:label>
    <link:label id="lab_us-gaap_InvestmentPolicyTextBlock_56BBAE4E12375E1A5E635FEE96C9DAF9_label_en-US" xlink:label="lab_us-gaap_InvestmentPolicyTextBlock_56BBAE4E12375E1A5E635FEE96C9DAF9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InvestmentPolicyTextBlock" xlink:label="loc_us-gaap_InvestmentPolicyTextBlock_56BBAE4E12375E1A5E635FEE96C9DAF9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentPolicyTextBlock_56BBAE4E12375E1A5E635FEE96C9DAF9" xlink:to="lab_us-gaap_InvestmentPolicyTextBlock_56BBAE4E12375E1A5E635FEE96C9DAF9" xlink:type="arc" />
    <link:label id="lab_us-gaap_ReceivablesPolicyTextBlock_918BFE67008CAE687B755FEE96C9BCC4_terseLabel_en-US" xlink:label="lab_us-gaap_ReceivablesPolicyTextBlock_918BFE67008CAE687B755FEE96C9BCC4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts and Note Receivable</link:label>
    <link:label id="lab_us-gaap_ReceivablesPolicyTextBlock_918BFE67008CAE687B755FEE96C9BCC4_label_en-US" xlink:label="lab_us-gaap_ReceivablesPolicyTextBlock_918BFE67008CAE687B755FEE96C9BCC4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receivables, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ReceivablesPolicyTextBlock" xlink:label="loc_us-gaap_ReceivablesPolicyTextBlock_918BFE67008CAE687B755FEE96C9BCC4" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ConcentrationRiskCreditRisk_3E4990F21627771304825FEE96C9EE57_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskCreditRisk_3E4990F21627771304825FEE96C9EE57" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration of Credit Risk</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ConcentrationRiskCreditRisk" xlink:label="loc_us-gaap_ConcentrationRiskCreditRisk_3E4990F21627771304825FEE96C9EE57" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_4915070CADAA890A6B795FEE96C945E7_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_4915070CADAA890A6B795FEE96C945E7" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value of Financial Instruments</link:label>
    <link:label id="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_4915070CADAA890A6B795FEE96C945E7_label_en-US" xlink:label="lab_us-gaap_FairValueOfFinancialInstrumentsPolicy_4915070CADAA890A6B795FEE96C945E7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value of Financial Instruments, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:label="loc_us-gaap_FairValueOfFinancialInstrumentsPolicy_4915070CADAA890A6B795FEE96C945E7" xlink:type="locator" />
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    <link:label id="lab_us-gaap_InventoryPolicyTextBlock_FA857AB20036EB32F2ED5FEE96C94780_verboseLabel_en-US" xlink:label="lab_us-gaap_InventoryPolicyTextBlock_FA857AB20036EB32F2ED5FEE96C94780" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Inventories</link:label>
    <link:label id="lab_us-gaap_InventoryPolicyTextBlock_FA857AB20036EB32F2ED5FEE96C94780_label_en-US" xlink:label="lab_us-gaap_InventoryPolicyTextBlock_FA857AB20036EB32F2ED5FEE96C94780" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="loc_us-gaap_InventoryPolicyTextBlock_FA857AB20036EB32F2ED5FEE96C94780" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_BDC9028EF67F94EEB5B55FEE96C91B6A_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_BDC9028EF67F94EEB5B55FEE96C91B6A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_BDC9028EF67F94EEB5B55FEE96C91B6A_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_BDC9028EF67F94EEB5B55FEE96C91B6A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_BDC9028EF67F94EEB5B55FEE96C91B6A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_BDC9028EF67F94EEB5B55FEE96C91B6A" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_BDC9028EF67F94EEB5B55FEE96C91B6A" xlink:type="arc" />
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    <link:label id="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_48042C9B39294168C4A45FEE96C93B53_label_en-US" xlink:label="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_48042C9B39294168C4A45FEE96C93B53" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:label="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_48042C9B39294168C4A45FEE96C93B53" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ResearchAndDevelopmentExpensePolicy_CE34D8547D60EEEF38E05FEE96C9646E_terseLabel_en-US" xlink:label="lab_us-gaap_ResearchAndDevelopmentExpensePolicy_CE34D8547D60EEEF38E05FEE96C9646E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Research and Development</link:label>
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