EXHIBIT A JOINT FILING AGREEMENT

EXHIBIT A

JOINT FILING AGREEMENT

The undersigned each agree that this joint Amendment No. 2 to Schedule 13D dated December 23, 2003 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.

December 23, 2003		/s/ Xxxxxxxx X. Xxxxx
Date		Xxxxxx X. Xxxxx By Xxxxxxxx X. Xxxxx with power of attorney

	ADVANTAGE CAPITAL PARTNERS LIMITED
		PARTNERSHIP
	ADVANTAGE CAPITAL PARTNERS II
		LIMITED PARTNERSHIP
	By:	Advantage Capital Corporation,
		General Partner
	By:	/s/ Xxxxxxxx X. Xxxxx
		Xxxxxx X. Xxxxx, President, By Xxxxxxxx X. Xxxxx with power of attorney
	ADVANTAGE CAPITAL CORPORATION
	By:	/s/ Xxxxxxxx X. Xxxxx
		Xxxxxx X. Xxxxx, President, By Xxxxxxxx X. Xxxxx with power of attorney
	A-1
	ADVANTAGE CAPITAL PARTNERS III
		LIMITED PARTNERSHIP
	By:	Advantage Capital Management
		Corporation, General Partner
	By:	/s/ Xxxxxxxx X. Xxxxx
		Xxxxxx X. Xxxxx, President, By Xxxxxxxx X. Xxxxx with power of attorney
	ADVANTAGE CAPITAL
		MANAGEMENT CORPORATION
	By:	/s/ Xxxxxxxx X. Xxxxx
		Xxxxxx X. Xxxxx, President, By Xxxxxxxx X. Xxxxx with power of attorney
	ADVANTAGE CAPITAL PARTNERS IV
		LIMITED PARTNERSHIP
	By:	Advantage Capital Financial Company,
		L.L.C., General Partner
	By:	/s/ Xxxxxxxx X. Xxxxx
		Xxxxxx X. Xxxxx, President, By Xxxxxxxx X. Xxxxx with power of attorney
	ADVANTAGE CAPITAL FINANCIAL
		COMPANY, L.L.C.
	By:	/s/ Xxxxxxxx X. Xxxxx
		Xxxxxx X. Xxxxx, President, By Xxxxxxxx X. Xxxxx with power of attorney
	A-2
	ADVANTAGE CAPITAL PARTNERS V
		LIMITED PARTNERSHIP
	By:	Advantage Capital Advisors, L.L.C.,
		General Partner
	By:	/s/ Xxxxxxxx X. Xxxxx
		Xxxxxx X. Xxxxx, President, By Xxxxxxxx X. Xxxxx with power of attorney
	ADVANTAGE CAPITAL ADVISORS, L.L.C.
	By:	/s/ Xxxxxxxx X. Xxxxx
		Xxxxxx X. Xxxxx, President, By Xxxxxxxx X. Xxxxx with power of attorney
	ADVANTAGE CAPITAL PARTNERS VI
		LIMITED PARTNERSHIP
	By:	Advantage Capital NOLA VI,
		L.L.C., General Partner
	By:	/s/ Xxxxxxxx X. Xxxxx
		Xxxxxx X. Xxxxx, President, By Xxxxxxxx X. Xxxxx with power of attorney
	ADVANTAGE CAPITAL NOLA VI, L.L.C.
	By:	/s/ Xxxxxxxx X. Xxxxx
		Xxxxxx X. Xxxxx, President, By Xxxxxxxx X. Xxxxx with power of attorney
	A-3
	ADVANTAGE CAPITAL PARTNERS VII
		LIMITED PARTNERSHIP
	By:	Advantage Capital NOLA VII,
		L.L.C., General Partner
	By:	/s/ Xxxxxxxx X. Xxxxx
		Xxxxxx X. Xxxxx, President, By Xxxxxxxx X. Xxxxx with power of attorney
	ADVANTAGE CAPITAL NOLA VII, L.L.C.
	By:	/s/ Xxxxxxxx X. Xxxxx
		Xxxxxx X. Xxxxx, President, By Xxxxxxxx X. Xxxxx with power of attorney
	ADVANTAGE CAPITAL PARTNERS VIII
		LIMITED PARTNERSHIP
	By:	Advantage Capital NOLA VIII,
		L.L.C., General Partner
	By:	/s/ Xxxxxxxx X. Xxxxx
		Xxxxxx X. Xxxxx, President, By Xxxxxxxx X. Xxxxx with power of attorney
	ADVANTAGE CAPITAL NOLA VIII, L.L.C.
	By:	/s/ Xxxxxxxx X. Xxxxx
		Xxxxxx X. Xxxxx, President, By Xxxxxxxx X. Xxxxx with power of attorney
	A-4
	ADVANTAGE CAPITAL PARTNERS IX
		LIMITED PARTNERSHIP
	By:	Advantage Capital NOLA IX,
		L.L.C., General Partner
	By:	/s/ Xxxxxxxx X. Xxxxx
		Xxxxxx X. Xxxxx, President, By Xxxxxxxx X. Xxxxx with power of attorney
	ADVANTAGE CAPITAL NOLA IX, L.L.C.
	By:	/s/ Xxxxxxxx X. Xxxxx
		Xxxxxx X. Xxxxx, President, By Xxxxxxxx X. Xxxxx with power of attorney
	ADVANTAGE CAPITAL PARTNERS X
		LIMITED PARTNERSHIP
	By:	Advantage Capital NOLA X,
		L.L.C., General Partner
	By:	/s/ Xxxxxxxx X. Xxxxx
		Xxxxxx X. Xxxxx, President, By Xxxxxxxx X. Xxxxx with power of attorney
	ADVANTAGE CAPITAL NOLA X, L.L.C.
	By:	/s/ Xxxxxxxx X. Xxxxx
		Xxxxxx X. Xxxxx, President, By Xxxxxxxx X. Xxxxx with power of attorney
	A-5
	ADVANTAGE CAPITAL TECHNOLOGY
		FUND, L.L.C.
	By:	Advantage Capital Technology
		Advisors, L.L.C.
		Managing Member
	By:	/s/ Xxxxxxxx X. Xxxxx
		Xxxxxx X. Xxxxx, President, By Xxxxxxxx X. Xxxxx with power of attorney
	ADVANTAGE CAPITAL TECHNOLOGY
		ADVISORS, L.L.C.
	By:	/s/ Xxxxxxxx X. Xxxxx
		Xxxxxx X. Xxxxx, President, By Xxxxxxxx X. Xxxxx with power of attorney