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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
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 4lmcuAEJFJtUx/jY3y+AmA==

<SEC-DOCUMENT>0001336510-06-000001.txt : 20060510
<SEC-HEADER>0001336510-06-000001.hdr.sgml : 20060510
<ACCEPTANCE-DATETIME>20060510132300
ACCESSION NUMBER:		0001336510-06-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060508
FILED AS OF DATE:		20060510
DATE AS OF CHANGE:		20060510

ISSUER:		

	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

	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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Knebel David E
		CENTRAL INDEX KEY:			0001336510

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-18953
		FILM NUMBER:		06824813

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		(918) 583-2266

	MAIL ADDRESS:	
		STREET 1:		2425 SOUTH YUKON AVENUE
		CITY:			TULSA
		STATE:			OK
		ZIP:			74107-2728
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
</DOCUMENT>
</SUBMISSION>