------------------------------ OMB APPROVAL ------------------------------ OMB Number: 3235-0145 Expires: Estimated average burden hours per response.......14.90 ------------------------------ UNITED STATES SECURITI SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Information to be included in Statements filed pursuant To Rules 13d-1(b),(c), and (d) and Amendments thereto filed pursuant to Rule 13d-2(b) UNDER THE SECURITIES EXCHANGE ACT OF 1934 (AMENDMENT NO.1)* OMNI Energy Services Corp. -------------------------- (Name of Issuer) Common Stock, $0.01 par value per share --------------------------------------- (Title of Class of Securities) 68210 T1 09 ----------- (CUSIP Number) December 31, 2004 ----------------- (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is filed: [ ] Rule 13d-1(b) |X| Rule 13d-1(c) [ ] Rule 13d-1(d) The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes.) (CONTINUED ON FOLLOWING PAGES) SCHEDULE 13G/A CUSIP No. 68210T109 PAGE 2 OF 5 PAGES -------------------------------------------------------------------------------- 1. NAME OF REPORTING PERSON S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Dennis Sciotto -------------------------------------------------------------------------------- 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ] (b) [ ] -------------------------------------------------------------------------------- 3. SEC USE ONLY -------------------------------------------------------------------------------- 4. CITIZENSHIP OR PLACE OF ORGANIZATION United States -------------------------------------------------------------------------------- 5. SOLE VOTING POWER NUMBER OF 791,000 SHARES ----------------------------------------------------------------- 6. SHARED VOTING POWER BENEFICIALLY 32,682 OWNED BY EACH ----------------------------------------------------------------- 7. SOLE DISPOSITIVE POWER REPORTING 791,000 PERSON ----------------------------------------------------------------- 8. SHARED DISPOSITIVE POWER WITH 32,682 -------------------------------------------------------------------------------- 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 823,682 -------------------------------------------------------------------------------- 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* [ ] -------------------------------------------------------------------------------- 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 7.1% -------------------------------------------------------------------------------- 12. TYPE OF REPORTING PERSON* IN -------------------------------------------------------------------------------- *SEE INSTRUCTIONS BEFORE FILLING OUT! PAGE 3 OF 5 PAGES ITEM 1(a). NAME OF ISSUER: OMNI Energy Services Corp. ITEM 1(b). ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES 4500 N.E. Evangeline Thruway, Carencro, LA 70520 ITEM 2(a). NAME OF PERSON FILING Dennis Sciotto ITEM 2(b). ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE 7315 El Fuerte Street, Carlsbad, CA 92009 ITEM 2(c). CITIZENSHIP United States ITEM 2(d). TITLE OF CLASS OF SECURITIES Common Stock ITEM 2(e). CUSIP NO. 68210 T1 09 ITEM 3. IF THIS STATEMENT IS FILED PURSUANT TO RULES 13D-1(b), OR 13D-2(b) OR (c), CHECK WHETHER THE PERSON FILING IS A: N/A ITEM 4. OWNERSHIP (a) Amount beneficially owned: 823,682 (b) Percent of class: 7.1% (c) Number of shares as to which such person has (i) sole power to vote or to direct the vote: 791,000 (ii) shared power to vote or to direct the vote: 32,682 (iii) sole power to dispose or to direct the disposition: 791,000 (iv) shared power to dispose or to direct the disposition: 32,682 ITEM 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS N/A ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON N/A ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY N/A PAGE 4 OF 5 PAGES ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP N/A ITEM 9. NOTICE OF DISSOLUTION OF GROUP N/A ITEM 10. CERTIFICATION By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired an are not held in connection with or as a participant in any transaction having that purpose or effect. PAGE 5 OF 5 PAGES SIGNATURES After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Date: February 11, 2005 By: /s/ Dennis Sciotto -------------------------------- Dennis Sciotto