<SUBMISSION>
<PAPER>
<ACCESSION-NUMBER>9999999997-06-019583
<TYPE>ARS
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20051231
<FILING-DATE>20060504
<DATE-OF-FILING-DATE-CHANGE>20060512
<EFFECTIVENESS-DATE>20060504
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>AAON INC
<CIK>0000824142
<ASSIGNED-SIC>3585
<IRS-NUMBER>870448736
<STATE-OF-INCORPORATION>NV
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>ARS
<ACT>34
<FILE-NUMBER>000-18953
<FILM-NUMBER>06035363
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>2425 SOUTH YUKON
<CITY>TULSA
<STATE>OK
<ZIP>74107
<PHONE>9185832266
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>2425 SOUTH YUKON
<CITY>TULSA
<STATE>OK
<ZIP>74107
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>DIAMOND HEAD RESOURCES INC
<DATE-CHANGED>19900808
</FORMER-COMPANY>
</FILER>
<DOCUMENT>
<TYPE>ARS
<SEQUENCE>1
<FILENAME>9999999997-06-019583.paper
<DESCRIPTION>AUTO-GENERATED PAPER DOCUMENT
<TEXT>
This document was generated as part of a paper submission.
Please reference the Document Control Number 06035363 for access to the original document.
</TEXT>
</DOCUMENT>
</SUBMISSION>
