EXHIBIT A

JOINT FILING AGREEMENT

The undersigned each agree that this joint Amendment No. 6 to Schedule 13D dated May 25, 2004 relating to the shares of common stock, $0.01 par value per share, of OMNI Energy Services Corp., to which this Agreement is attached as Exhibit A, shall be filed on behalf of the undersigned.

May 27, 2004	/s/ Gerald J. Daigle, Jr.
Date	Steven T. Stull By Gerald J. Daigle, Jr. with power of attorney

ADVANTAGE CAPITAL PARTNERS II
	LIMITED PARTNERSHIP
By:	Advantage Capital Corporation,
	General Partner
By:	/s/ Gerald J. Daigle, Jr.
	Steven T. Stull, President By Gerald J. Daigle, Jr. with power of attorney
ADVANTAGE CAPITAL CORPORATION
By:	/s/ Gerald J. Daigle, Jr.
	Steven T. Stull, President By Gerald J. Daigle, Jr. with power of attorney
ADVANTAGE CAPITAL PARTNERS III
	LIMITED PARTNERSHIP
By:	Advantage Capital Management
	Corporation, General Partner
By:	/s/ Gerald J. Daigle, Jr.
	Steven T. Stull, President By Gerald J. Daigle, Jr. with power of attorney
ADVANTAGE CAPITAL
	MANAGEMENT CORPORATION
By:	/s/ Gerald J. Daigle, Jr.
	Steven T. Stull, President By Gerald J. Daigle, Jr. with power of attorney
ADVANTAGE CAPITAL PARTNERS VI
	LIMITED PARTNERSHIP
By:	Advantage Capital NOLA VI,
	L.L.C., General Partner
By:	/s/ Gerald J. Daigle, Jr.
	Steven T. Stull, President By Gerald J. Daigle, Jr. with power of attorney
ADVANTAGE CAPITAL NOLA VI, L.L.C.
By:	/s/ Gerald J. Daigle, Jr.
	Steven T. Stull, President By Gerald J. Daigle, Jr. with power of attorney
ADVANTAGE CAPITAL PARTNERS IX
	LIMITED PARTNERSHIP
By:	Advantage Capital NOLA IX,
	L.L.C., General Partner
By:	/s/ Gerald J. Daigle, Jr.
	Steven T. Stull, President By Gerald J. Daigle, Jr. with power of attorney
ADVANTAGE CAPITAL NOLA IX, L.L.C.
By:	/s/ Gerald J. Daigle, Jr.
	Steven T. Stull, President By Gerald J. Daigle, Jr. with power of attorney