EXHIBIT 32.1



                           SECTION 1350 CERTIFICATIONS



In connection with the Annual Report of Chandler (U.S.A.), Inc. (the "Company")
on Form 10-K for the period ending December 31, 2009 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"),
W. Brent LaGere, as Chief Executive Officer of the Company, and Mark C.
Hart, as Chief Financial Officer of the Company, each hereby certifies,
pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906
of the Sarbanes - Oxley Act of 2002, to the best of his knowledge, 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 results of operations
     of the Company.




                                           /s/ W. Brent LaGere
                                           -----------------------------------
                                           W. Brent LaGere
                                           Chief Executive Officer
                                           March 30, 2010



                                           /s/ Mark C. Hart
                                           -----------------------------------
                                           Mark C. Hart
                                           Chief Financial Officer
                                           March 30, 2010



A signed original of this written statement required by Section 906 has
been provided to Chandler (U.S.A.), Inc. and will be retained by Chandler
(U.S.A.), Inc. and furnished to the Securities and Exchange Commission or
its staff upon request.