Thoma-Sea Marine Constructors, L.L.C.

Thoma-Sea Marine Constructors, L.L.C. is a small business in Houma, LA registered on SAM.gov to bid on federal contracts. It has won about $109 million in federal prime contracts since fiscal year 2024, according to USAspending.gov.

UEI: CHEUP6NNZHL9
CAGE code: 03B99
SAM.gov registration: Active

Open contracts in NAICS 336611 Is this your business? Get matched free

Registration details

Legal business name	Thoma-Sea Marine Constructors, L.L.C.
Unique Entity ID (UEI)	CHEUP6NNZHL9
CAGE code	03B99
Location	Houma, LA
SAM.gov registration	Active through Sep 2, 2027
Business started	2010
Primary NAICS code	336611: Ship Building and Repairing
Website	www.thoma-sea.com

Federal contract history

Fiscal year	Prime contract obligations
FY2023	$324.5 million
FY2024	$30.7 million
FY2025	$37.5 million
FY2026	$40.9 million

Its biggest federal customers over the last four fiscal years: National Oceanic and Atmospheric Administration ($331.2 million), Department of the Army ($53 million), U.S. Coast Guard ($36.4 million) and Department of the Navy ($12.9 million).

Recent contract awards

Awarded	Agency	What it's for	Amount
Sep 24, 2026	U.S. Coast Guard	Uscgc tiger shark dd fy27 pop: 11/17/2026 - 2/16/2027	$1.1 million
Apr 23, 2026	U.S. Coast Guard	Cgc harry claiborne drydock repairs	$2.9 million
Apr 2, 2026	U.S. Coast Guard	Uscgc stingray dd fy26 pop: 6/30/2026 - 9/29/2026	$1.3 million
Mar 12, 2026	U.S. Coast Guard	Uscgc cobia dd 4/21/2026 to 6/24/2026.	$1.1 million
Jan 12, 2026	U.S. Coast Guard	Uscgc mallet dd fy26	$1.4 million
Dec 4, 2025	U.S. Coast Guard	Uscgc clamp dd fy26	$313,394

Figures are prime contract obligations reported to USAspending.gov. Work done as a subcontractor isn't included.

NAICS codes Thoma-Sea Marine Constructors, L.L.C. is small under

On its SAM.gov registration, Thoma-Sea Marine Constructors, L.L.C. meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.

336611 Ship Building and Repairing
336612 Boat Building

Open contracts in Thoma-Sea Marine Constructors, L.L.C.'s NAICS codes

90 open federal opportunities on SAM.gov use a NAICS code Thoma-Sea Marine Constructors, L.L.C. is small under. These are due soonest.

USS MUSTIN (DDG-89) SRA 7C1 BUNDLE 2
Dept of Defense · Dept of the Navy · Yokosuka Base
✦ The U.S. Navy (NAVSUP Fleet Logistics Center Yokosuka) plans to issue a solicitation for repair and maintenance of the destroyer USS MUSTIN (DDG-89) at Yokosuka Naval Base, Japan.
Aircraft, ship & vehicle parts
Due in 2 daysOct 12, 2026
Maintenance, Repair, and Preservation of YON-322
Dept of Defense · Dept of the Navy · WA
Aircraft, ship & vehicle parts
Due in 2 daysOct 12, 2026
USCGC James CAT Parts for Center Section Overhaul
Department of Homeland Security · US Coast Guard · North Charleston, SC
✦ The U.S. Coast Guard Surface Forces Logistics Center is buying 35 line items of Caterpillar engine parts (thermocouples, hoses, bearings, gaskets, camshafts, a water pump and…
Aircraft, ship & vehicle partsSmall business
Due in 3 daysOct 13, 2026
USNS ALAN SHEPARD FY26 MTA
Dept of Defense · Dept of the Navy
Aircraft, ship & vehicle parts
Due in 3 daysOct 13, 2026
Yard Diving Tender (YDT) Request for Information (RFI)
Dept of Defense · Dept of the Navy
✦ The U.S. Navy (PMS 300, via PAE Maritime) is asking boat builders about existing or in-development designs for a Yard Diving Tender, a roughly 170-foot training craft.
Aircraft, ship & vehicle parts
Due in 3 daysOct 13, 2026

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Similar small businesses

Other small businesses with the same primary NAICS code (336611) that have won federal contracts, starting with Louisiana:

Conrad Shipyard, L.L.C, Morgan City, LA
Dixie Marine Inc, New Orleans, LA
Boland Marine & Industrial LLC, New Orleans, LA
National Maintenance & Repair of Louisiana, Inc, Harahan, LA
Halk Marine Fabrication & Design LLC, Covington, LA
Southpoint Industrial Service, LLC, Violet, LA

Frequently asked questions

What is Thoma-Sea Marine Constructors, L.L.C.'s CAGE code?

Thoma-Sea Marine Constructors, L.L.C.'s CAGE code is 03B99. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.

What is Thoma-Sea Marine Constructors, L.L.C.'s UEI?

Thoma-Sea Marine Constructors, L.L.C.'s Unique Entity ID (UEI) is CHEUP6NNZHL9. SAM.gov assigns the UEI, and it identifies the business across the federal government.

Is Thoma-Sea Marine Constructors, L.L.C.'s SAM.gov registration active?

Yes, as of the latest SAM.gov public data, Thoma-Sea Marine Constructors, L.L.C.'s registration is active through sep 2, 2027. Registrations are renewed every year.

Is Thoma-Sea Marine Constructors, L.L.C. a small business?

Thoma-Sea Marine Constructors, L.L.C. is registered on SAM.gov as small under 2 NAICS codes, including its primary code, 336611. Size is set per NAICS code, so a business can be small for some contracts and not others.

Keep going

Registration details come from SAM.gov's public entity extract and contract figures from USAspending.gov. Contact names and street addresses are left out. To change these details, update the registration on SAM.gov. To ask us to remove this page, email hello@fedready.us.