Attached files

file filename
EX-31.2 - EXHIBIT 31.2 - AAON INCaaon_10q33111ex312.htm
EX-32.1 - EXHIBIT 32.1 - AAON INCaaon_10q33111ex321.htm
EX-31.1 - EXHIBIT 31.1 - AAON INCaaon_10q33111ex311.htm
10-Q - 10-Q - AAON INCaaon_10q33111.htm
Exhibit 32.2

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
 

In connection with the Quarterly Report of AAON, Inc. (the “Company”), on Form 10-Q for the quarter ended March 31, 2011, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Kathy I. Sheffield, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(1)           The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)           The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company.


 
May 5, 2011 /s/ Kathy I. Sheffield
   
  Kathy I. Sheffield
  Chief Financial Officer