EXHIBIT 32.1


                   Certification of Periodic Financial Reports

I, James C. Eckert, of OMNI Energy Services Corp., certify, pursuant to Section
906 of the Sarbanes-Oxley Act of 2002, that:

(1)      the Annual Report on Form 10-K/A/3 for the period ended December 31,
         2003 (the "Periodic Report") which this statement accompanies 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 Periodic Report fairly presents, in
         all material respects, the financial condition and results of
         operations of OMNI Energy Services Corp.


Dated:  September 14, 2004


                                        /s/ James C. Eckert
                                        ----------------------------------------
                                                          James C. Eckert
                                          President and Chief Executive Officer