Washington, D.C.

                                    FORM 8-K

                                 CURRENT REPORT

     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

       Date of Report (Date of earliest event reported): October 25, 2005

                                   AAON, INC.
             (Exact name of registrant as specified in its charter)

           Nevada                       0-18953                  87-0448736
           ------                       -------                  ----------
(State or other jurisdiction          (Commission               (IRS Employer
      of incorporation)               File Number)           Identification No.)

                     2425 South Yukon, Tulsa, Oklahoma 74107
                    (Address of principal executive offices)

       Registrant's telephone number, including area code: (918) 583-2266


Item 2.02. Results of Operations and Financial Condition.

               On October 25,  2005,  Registrant  issued a press  release on its
          results of operations  and financial  condition for the three and nine
          month periods ended and at September 30, 2005.

Item 9.01  Financial Statements and Exhibits.

               A copy of the  Registrant's  October 25, 2005,  press  release is
          attached as Exhibit 99.1 hereto.


         Pursuant to the requirements of the Securities Exchange Act of 1934,
the Registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                        AAON, INC.

Date:  October 26, 2005                 By:  /s/ John B. Johnson
                                                 John B. Johnson, Jr., Secretary