UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549


                                   FORM 12b-25

                                                 Commission File Number: 0-23383

                           NOTIFICATION OF LATE FILING

 (Check One):  [ ] Form 10-K [ ] Form 11-K [ ] Form 20-F [X] Form 10-Q 
[ ] Form N-SAR [ ] Form N-CSR

         For Period Ended: March 31, 2005
                           --------------

[ ] Transition Report on Form 10-K           [ ] Transition Report on Form 10-Q
[ ] Transition Report on Form 20-F           [ ] Transition Report on Form N-SAR
[ ] Transition Report on Form 11-K

         For the Transition Period Ended: 
                                          --------------

Nothing in this form shall be construed to imply that the Commission has
verified any information contained herein.

If the notification relates to a portion of the filing checked above, identify
the item(s) to which the notification relates:_________________________________

                                     PART I
                             REGISTRANT INFORMATION

Full name of registrant: OMNI Energy Services Corp.
                         --------------------------

Former name if applicable: NA
                           --

Address of principal executive office (Street and number):4500 NE Interstate 49
                                                          ---------------------

City, state and zip code: Carencro, LA 70520
                          ------------------

                                     PART II
                             RULE 12b-25(b) AND (c)

         If the subject report could not be filed without reasonable effort or
expense and the registrant seeks relief pursuant to Rule 12b-25(b), the
following should be completed. (Check box if appropriate.)


                  (a)      The reasons described in reasonable detail in Part
                           III of this form could not be eliminated without
                           unreasonable effort or expense;


      [X]
                  (b)      The subject annual report, semi-annual report,
                           transition report on Form 10-K, Form 20-F, 11-K, Form
                           N-SAR of Form N-CSR, or portion thereof, will be
                           filed on or before the 15th calendar day following
                           the prescribed due date; or the subject quarterly
                           report of transition report on Form 10-Q, or portion
                           thereof, will be filed on or before the fifth
                           calendar day following the prescribed due date; and

                 (c)       The accountant's statement or other exhibit required
                           by Rule 12b-25 (c) has been attached if applicable.







                                    PART III
                                    NARRATIVE


The Registrant is unable to timely file its Form 10-Q for the period ended March
31, 2005, because the review of the financial statements of the Registrant is
not complete. The reviewed financial statements could not be completed and filed
in the time required without unreasonable effort and expense on behalf of the
Company. The Registrant expects to file its Form 10-Q within the 5 calendar days
provided by this extension.

                                     PART IV
                                OTHER INFORMATION

(1) Name and telephone number of person to contact in regard to this
notification

         Darcy Klug                 (337)                          896-6664
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          (Name)                 (Area Code)                  (Telephone Number)

(2) Have all other period reports required under Section 13 or 15(d) of the
Securities Exchange Act of 1934 or Section 30 of the Investment Company Act of
1940 during the preceding 12 months or for such shorter period that the
registrant was required to file such reports been filed? If answer is no,
identify report(s).

                                                       [X] Yes [ ] No

(3) Is it anticipated that any significant change in results of operations from
the corresponding period for the last fiscal year will be reflected by the
earnings statements to be included in the subject report or portion thereof?

                                                       [ ] Yes [X] No

If so: attach an explanation of the anticipated change, both narratively and
quanitatively, and, if appropriate, state the reasons why a reasonable estimate
of the results cannot be made.


                           OMNI ENERGY SERVICES CORP.
                  (Name of Registrant as Specified in Charter)

Has caused this notification to be signed on its behalf by the undersigned
hereunto duly authorized.


Date: May 17, 2005                         By /s/ G. Darcy Klug
                                             -----------------------------
                                           Name G. Darcy Klug
                                           Title Executive Vice President