    <SEC-DOCUMENT>0000824142-15-000020-index.html : 20150319
    <SEC-HEADER>0000824142-15-000020.hdr.sgml : 20150319
    <ACCEPTANCE-DATETIME>20150319151252
    ACCESSION NUMBER:		0000824142-15-000020
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		25
    CONFORMED PERIOD OF REPORT:	20150316
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20150319
    DATE AS OF CHANGE:		20150319

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			AAON INC
    		CENTRAL INDEX KEY:			0000824142
    		STANDARD INDUSTRIAL CLASSIFICATION:	AIR COND & WARM AIR HEATING EQUIP & COMM & INDL REFRIG EQUIP [3585]
    		IRS NUMBER:				870448736
    		STATE OF INCORPORATION:			NV
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-18953
    		FILM NUMBER:		15712748

    	BUSINESS ADDRESS:
    		STREET 1:		2425 SOUTH YUKON
    		CITY:			TULSA
    		STATE:			OK
    		ZIP:			74107
    		BUSINESS PHONE:		9185832266

    	MAIL ADDRESS:
    		STREET 1:		2425 SOUTH YUKON
    		CITY:			TULSA
    		STATE:			OK
    		ZIP:			74107

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	DIAMOND HEAD RESOURCES INC
    		DATE OF NAME CHANGE:	19900808
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>aaon8-ksidoticompanyinvest.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: aaon8-ksidoticompanyinvest.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>aaoninvestorpresentation.htm
    <DESCRIPTION>EXHIBIT 99.1
    <TEXT>
    Document 2 - file: aaoninvestorpresentation.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>aaoninvestorpresentation001.jpg
    <TEXT>
    Document 3 - file: aaoninvestorpresentation001.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>aaoninvestorpresentation002.jpg
    <TEXT>
    Document 4 - file: aaoninvestorpresentation002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>aaoninvestorpresentation003.jpg
    <TEXT>
    Document 5 - file: aaoninvestorpresentation003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>aaoninvestorpresentation004.jpg
    <TEXT>
    Document 6 - file: aaoninvestorpresentation004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>aaoninvestorpresentation005.jpg
    <TEXT>
    Document 7 - file: aaoninvestorpresentation005.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>aaoninvestorpresentation006.jpg
    <TEXT>
    Document 8 - file: aaoninvestorpresentation006.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>aaoninvestorpresentation007.jpg
    <TEXT>
    Document 9 - file: aaoninvestorpresentation007.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>aaoninvestorpresentation008.jpg
    <TEXT>
    Document 10 - file: aaoninvestorpresentation008.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>aaoninvestorpresentation009.jpg
    <TEXT>
    Document 11 - file: aaoninvestorpresentation009.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>aaoninvestorpresentation010.jpg
    <TEXT>
    Document 12 - file: aaoninvestorpresentation010.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>aaoninvestorpresentation011.jpg
    <TEXT>
    Document 13 - file: aaoninvestorpresentation011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>aaoninvestorpresentation012.jpg
    <TEXT>
    Document 14 - file: aaoninvestorpresentation012.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>aaoninvestorpresentation013.jpg
    <TEXT>
    Document 15 - file: aaoninvestorpresentation013.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>aaoninvestorpresentation014.jpg
    <TEXT>
    Document 16 - file: aaoninvestorpresentation014.jpg

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    <DOCUMENT>
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    <SEQUENCE>17
    <FILENAME>aaoninvestorpresentation015.jpg
    <TEXT>
    Document 17 - file: aaoninvestorpresentation015.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>aaoninvestorpresentation016.jpg
    <TEXT>
    Document 18 - file: aaoninvestorpresentation016.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>aaoninvestorpresentation017.jpg
    <TEXT>
    Document 19 - file: aaoninvestorpresentation017.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>aaoninvestorpresentation018.jpg
    <TEXT>
    Document 20 - file: aaoninvestorpresentation018.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>aaoninvestorpresentation019.jpg
    <TEXT>
    Document 21 - file: aaoninvestorpresentation019.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>aaoninvestorpresentation020.jpg
    <TEXT>
    Document 22 - file: aaoninvestorpresentation020.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>aaoninvestorpresentation021.jpg
    <TEXT>
    Document 23 - file: aaoninvestorpresentation021.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>aaoninvestorpresentation022.jpg
    <TEXT>
    Document 24 - file: aaoninvestorpresentation022.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>aaoninvestorpresentation023.jpg
    <TEXT>
    Document 25 - file: aaoninvestorpresentation023.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>