EXHIBIT 32.1


                           SECTION 1350 CERTIFICATIONS



In connection with the Quarterly Report of Chandler (U.S.A.), Inc. (the
"Company") on Form 10-Q for the period ending June 30, 2005 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
                                          August 9, 2005


                                          /s/ Mark C. Hart
                                          ------------------------------------
                                          Mark C. Hart
                                          Chief Financial Officer


August 9, 2005A 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.