Top 100 Contractors in NAICS 3366: Ship and Boat Building, FY2025

Name: Top 100 Contractors in NAICS 3366: Ship and Boat Building, FY2025
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

Parent companies by net contract obligations Oct 1, 2024 – Sep 30, 2025 Code page on GovTribe

The top 10 won 83% of FY2025 NAICS 3366 contract dollars

Contract obligations: $36,299,719,278 Net of deobligations, by contracts coded NAICS 3366 or a code under it
Contractors: 1,254 Parent companies with an obligation
Largest contractor: General Dynamics Corporation $18.3 billion, 48.3% of obligations
Data as of: Oct 23, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV · Free to reuse with credit to GovTribe (CC BY 4.0)

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	General Dynamics Corporation 9 awardees, including Electric Boat Corporation, Bath Iron Works Corporation and National Steel and Shipbuilding Company Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$18,253,471,916	48.3%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2023 and #2 in FY2024; up 1 since FY2024.
2	Huntington Ingalls Industries, Inc. 5 awardees, including Huntington Ingalls Inc., HII Fleet Support Group LLC and Continental Maritime of San Diego, LLC Top agencies Navy (Department of the Navy)	$7,961,854,091	21.1%	Rank history: #2 in FY2021, #2 in FY2022, #2 in FY2023 and #1 in FY2024; down 1 since FY2024.
3	BAE Systems 6 awardees, including BAE Systems Maritime Solutions San Diego Inc., BAE Systems Maritime Solutions Norfolk Inc. and BAE Systems Maritime Solutions Jacksonville LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$1,151,678,697	3.0%	Rank history: #4 in FY2021, #4 in FY2022, #3 in FY2023 and #7 in FY2024; up 4 since FY2024.
4	Textron Inc. Through Textron Systems Corp Top agencies Navy (Department of the Navy)	$937,263,672	2.5%	Rank history: #61 in FY2021, #56 in FY2022, #10 in FY2023 and #11 in FY2024; up 7 since FY2024.
5	Bollinger Shipyards Lockport, L.L.C. 3 awardees, including Bollinger Mississippi Shipbuilding, LLC and Bollinger Mississippi Repair, LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) Commerce (Department of Commerce)	$814,534,527	2.2%	Rank history: not on the FY2021–FY2023 lists and #50 in FY2024; up 45 since FY2024.
6	Austal USA LLC Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$803,084,263	2.1%	Rank history: not on the FY2021–FY2023 lists and #5 in FY2024; down 1 since FY2024.
7	Vigor Industrial LLC 2 awardees, including Vigor Marine LLC and Vigor Works LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) DHS (Department of Homeland Security)	$578,768,738	1.5%	Rank history: not on the FY2021–FY2023 lists and #9 in FY2024; up 2 since FY2024.
8	RTX Corporation 5 awardees, including Raytheon Company and Goodrich Corporation Top agencies Navy (Department of the Navy)	$369,911,360	1.0%	Rank history: not on the FY2021–FY2023 lists and #57 in FY2024; up 49 since FY2024.
9	Blueforge Alliance Top agencies Navy (Department of the Navy)	$366,110,272	1.0%	Rank history: not on the FY2021–FY2023 lists and #8 in FY2024; down 1 since FY2024.
10	Birdon America Inc. Top agencies DHS (Department of Homeland Security) Army (Department of the Army) DLA (Defense Logistics Agency)	$261,368,414	0.7%	Rank history: #23 in FY2021, #23 in FY2022, #30 in FY2023 and #20 in FY2024; up 10 since FY2024.
11	Lockheed Martin Corporation 3 awardees Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) USSOCOM (United States Special Operations Command)	$259,524,986	0.7%	Rank history: #15 in FY2021, #9 in FY2022, #15 in FY2023 and not on the FY2024 list; returned.
12	Bath Iron Works Corporation Top agencies Navy (Department of the Navy)	$250,684,159	0.7%	Rank history: not on the FY2021–FY2023 lists and #3 in FY2024; down 9 since FY2024.
13	Detyens Shipyards Inc. Top agencies Navy (Department of the Navy) Commerce (Department of Commerce)	$238,678,578	0.6%	Rank history: #21 in FY2021, #12 in FY2022, #22 in FY2023 and #16 in FY2024; up 3 since FY2024.
14	Marine Hydraulics International, LLC Top agencies Navy (Department of the Navy)	$164,510,800	0.4%	Rank history: not on the FY2021–FY2023 lists and #35 in FY2024; up 21 since FY2024.
15	Epsilon Systems Solutions Inc. 2 awardees Top agencies Navy (Department of the Navy)	$145,692,108	0.4%	Rank history: #18 in FY2021, #15 in FY2022, #14 in FY2023 and #17 in FY2024; up 2 since FY2024.
16	Marinette Marine Corporation 2 awardees, including Fincantieri Marine Group LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$139,271,592	0.4%	Rank history: not on the FY2021–FY2023 lists and #4 in FY2024; down 12 since FY2024.
17	East Coast Repair & Fabrication, LLC Top agencies Navy (Department of the Navy)	$138,135,595	0.4%	Rank history: #29 in FY2021, #17 in FY2022, #23 in FY2023 and #19 in FY2024; up 2 since FY2024.
18	JAG Alaska Inc. Top agencies Commerce (Department of Commerce) Navy (Department of the Navy) DHS (Department of Homeland Security)	$133,680,248	0.4%	Rank history: not on the FY2021–FY2023 lists and #94 in FY2024; up 76 since FY2024.
19	Offshore Service Vessels L.L.C. Top agencies DHS (Department of Homeland Security)	$126,935,367	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
20	Conrad Industries, Inc. 2 awardees, including Conrad Shipyard, L.l.c and Conrad Orange Shipyard, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$122,013,205	0.3%	Rank history: #88 in FY2021, #20 in FY2022, #45 in FY2023 and #32 in FY2024; up 12 since FY2024.
21	Pacific Marine & Supply Company Ltd Through Pacific Shipyards International, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) DHS (Department of Homeland Security)	$117,866,224	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
22	Colonna's Ship Yard, Incorporated Top agencies Navy (Department of the Navy) Army (Department of the Army) DHS (Department of Homeland Security)	$112,501,191	0.3%	Rank history: #19 in FY2021, #14 in FY2022, #16 in FY2023 and #30 in FY2024; up 8 since FY2024.
23	Alabama Shipyard LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$106,276,112	0.3%	Rank history: #27 in FY2021, #28 in FY2022, #19 in FY2023 and #23 in FY2024; unchanged since FY2024.
24	Crowley Government Services, Inc. Top agencies DOT (Department of Transportation)	$101,861,599	0.3%	Rank history: not on the FY2021 list, #44 in FY2022, #8 in FY2023 and #10 in FY2024; down 14 since FY2024.
25	Delphinus Engineering LLC Top agencies Navy (Department of the Navy)	$92,853,092	0.2%	Rank history: #24 in FY2021, #25 in FY2022, #29 in FY2023 and #25 in FY2024; unchanged since FY2024.
26	Amentum Holdings, Inc. Through Amentum Services, Inc. Top agencies Navy (Department of the Navy)	$88,780,386	0.2%	Rank history: not on the FY2021–FY2023 lists and #24 in FY2024; down 2 since FY2024.
27	Maritime Applied Physics Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$82,205,368	0.2%	Rank history: not on the FY2021–FY2022 lists, #83 in FY2023 and #21 in FY2024; down 6 since FY2024.
28	Prism Maritime, Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) USAF (Department of the Air Force)	$75,958,894	0.2%	Rank history: not on the FY2021–FY2022 lists, #31 in FY2023 and #27 in FY2024; down 1 since FY2024.
29	Sumitomo Heavy Industries, Ltd Top agencies Navy (Department of the Navy)	$75,902,996	0.2%	Rank history: not on the FY2021–FY2024 lists; up 186 since FY2024.
30	Navantia S.a. S.M.E. Top agencies Navy (Department of the Navy)	$75,550,287	0.2%	Rank history: not on the FY2021–FY2023 lists and #31 in FY2024; up 1 since FY2024.
31	QED Systems, Inc. Top agencies Navy (Department of the Navy)	$72,637,475	0.2%	Rank history: #28 in FY2021, #30 in FY2022, #34 in FY2023 and #26 in FY2024; down 5 since FY2024.
32	Safe Boats International LLC Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy) DOS (Department of State)	$71,219,760	0.2%	Rank history: not on the FY2021–FY2022 lists, #27 in FY2023 and #55 in FY2024; up 23 since FY2024.
33	Hanwha Ocean Co., Ltd. Top agencies Navy (Department of the Navy)	$69,751,426	0.2%	Rank history: not on the FY2021–FY2023 lists and #84 in FY2024; up 51 since FY2024.
34	Southcoast Welding & Manufacturing, Llc. Top agencies Navy (Department of the Navy)	$63,851,774	0.2%	Rank history: #59 in FY2021, #55 in FY2022, #28 in FY2023 and #33 in FY2024; down 1 since FY2024.
35	Oceaneering International Inc. 2 awardees Top agencies Navy (Department of the Navy)	$60,499,217	0.2%	Rank history: not on the FY2021–FY2023 lists and #37 in FY2024; up 2 since FY2024.
36	Cabras Marine Corporation Top agencies Navy (Department of the Navy)	$57,575,808	0.2%	Rank history: not on the FY2021–FY2022 lists, #46 in FY2023 and #69 in FY2024; up 33 since FY2024.
37	Unithai Shipyard & Engineering Limited - Branch Top agencies Navy (Department of the Navy)	$56,860,628	0.2%	Rank history: not on the FY2021–FY2023 lists and #100 in FY2024; up 63 since FY2024.
38	United States Marine Inc. Top agencies Navy (Department of the Navy) USSOCOM (United States Special Operations Command) DHS (Department of Homeland Security)	$53,040,081	0.1%	Rank history: #47 in FY2021, #51 in FY2022, #37 in FY2023 and #47 in FY2024; up 9 since FY2024.
39	Gravois Aluminum Boats LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$47,971,875	0.1%	Rank history: #39 in FY2021, #38 in FY2022, #56 in FY2023 and #53 in FY2024; up 14 since FY2024.
40	ManTech International Corporation Through Imia, LLC Top agencies Navy (Department of the Navy)	$46,066,399	0.1%	Rank history: not on the FY2021–FY2023 lists and #45 in FY2024; up 5 since FY2024.
41	Owl International Inc. Top agencies Navy (Department of the Navy)	$45,770,668	0.1%	Rank history: #56 in FY2021, #48 in FY2022, #44 in FY2023 and #54 in FY2024; up 13 since FY2024.
42	Global Maritek Systems Inc. Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice)	$42,330,351	0.1%	Rank history: #46 in FY2021, #39 in FY2022, #49 in FY2023 and #52 in FY2024; up 10 since FY2024.
43	Bay Ship & Yacht Co Top agencies Army (Department of the Army) DHS (Department of Homeland Security) Navy (Department of the Navy)	$40,438,179	0.1%	Rank history: #35 in FY2021, #22 in FY2022, #79 in FY2023 and #65 in FY2024; up 22 since FY2024.
44	Tecnico Corporation 3 awardees, including Propulsion Controls Engineering LLC Top agencies Navy (Department of the Navy)	$37,608,578	0.1%	Rank history: #10 in FY2021, #13 in FY2022, #21 in FY2023 and #18 in FY2024; down 26 since FY2024.
45	Thoma-Sea Marine Constructors, L.L.C. Top agencies Army (Department of the Army) DHS (Department of Homeland Security) Navy (Department of the Navy)	$37,507,996	0.1%	Rank history: #13 in FY2021, #77 in FY2022, #9 in FY2023 and #60 in FY2024; up 15 since FY2024.
46	Fairlead Boatworks, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) DOT (Department of Transportation)	$37,417,120	0.1%	Rank history: #53 in FY2021, #42 in FY2022, #55 in FY2023 and #46 in FY2024; unchanged since FY2024.
47	Northrop Grumman Systems Corporation 4 awardees Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$36,261,818	0.1%	Rank history: not on the FY2021 list, #47 in FY2022, #54 in FY2023 and #66 in FY2024; up 19 since FY2024.
48	Seaward Marine Services Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$34,070,220	0.1%	Rank history: not on the FY2021–FY2022 lists, #68 in FY2023 and #44 in FY2024; down 4 since FY2024.
49	Bayonne Drydock & Repair Corp. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) Army (Department of the Army)	$33,686,782	0.1%	Rank history: not on the FY2021–FY2024 lists; up 78 since FY2024.
50	Yokohama Engineering Works, Ltd. Top agencies Army (Department of the Army)	$32,458,980	0.1%	Rank history: not on the FY2021–FY2022 lists, #39 in FY2023 and #48 in FY2024; down 2 since FY2024.
51	Superior Marine Ways, Inc. Top agencies Army (Department of the Army)	$31,784,790	0.1%	Rank history: not on the FY2021 list, #99 in FY2022 and not on the FY2023–FY2024 lists; returned.
52	Rolls-Royce Corporation 3 awardees, including Rolls-Royce Marine North America Inc. and Rolls-Royce Solutions America Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$30,117,521	0.1%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2024; down 9 since FY2024.
53	Brodogradiliste Viktor Lenac D.D. Top agencies Navy (Department of the Navy)	$27,897,858	0.1%	Rank history: not on the FY2021–FY2023 lists and #86 in FY2024; up 33 since FY2024.
54	Life Cycle Engineering Inc. Top agencies Navy (Department of the Navy)	$27,816,816	0.1%	Rank history: not on the FY2021 list, #62 in FY2022, not on the FY2023 list and #59 in FY2024; up 5 since FY2024.
55	Fincantieri Marine Systems North America, Inc. 2 awardees, including Fincantieri Marine Repair LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$27,615,158	0.1%	Rank history: not on the FY2021–FY2022 lists, #4 in FY2023 and #51 in FY2024; down 4 since FY2024.
56	Trustwave Government Solutions LLC Through Seatrium Repairs & Upgrades Pte. Ltd. Top agencies Navy (Department of the Navy)	$26,939,904	0.1%	Rank history: not on the FY2021–FY2022 lists, #94 in FY2023 and #42 in FY2024; down 14 since FY2024.
57	Silver Ships, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) DOI (Department of the Interior)	$26,621,219	0.1%	Rank history: #65 in FY2021, #95 in FY2022, #40 in FY2023 and #68 in FY2024; up 11 since FY2024.
58	Mills Marine & Ship Repair LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$25,119,328	0.1%	Rank history: not on the FY2021–FY2024 lists; up 79 since FY2024.
59	Genova Industrie Navali SPA Through Officine Meccaniche Navali E Fonderie San Giorgio Del Porto S.P.A. Top agencies Navy (Department of the Navy)	$22,667,705	0.1%	Rank history: not on the FY2021–FY2024 lists; up 80 since FY2024.
60	Mitsubishi Heavy Industries, Ltd Top agencies Navy (Department of the Navy)	$22,382,227	0.1%	Rank history: #38 in FY2021, #54 in FY2022, not on the FY2023 list and #56 in FY2024; down 4 since FY2024.
61	Southwest Shipyard LP Top agencies Army (Department of the Army)	$22,274,216	0.1%	Rank history: not on the FY2021 list, #87 in FY2022, not on the FY2023 list and #92 in FY2024; up 31 since FY2024.
62	Metal Trades LLC Top agencies Army (Department of the Army)	$22,170,622	0.1%	Rank history: not on the FY2021–FY2022 lists, #93 in FY2023 and not on the FY2024 list; up 50 since FY2024.
63	Mare Island Dry Dock LLC Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy) Commerce (Department of Commerce)	$21,920,124	0.1%	Rank history: #31 in FY2021, #16 in FY2022, #20 in FY2023 and #39 in FY2024; down 24 since FY2024.
64	Walashek Industrial & Marine, Inc. Top agencies Navy (Department of the Navy)	$21,768,045	0.1%	Rank history: not on the FY2021–FY2024 lists; up 46 since FY2024.
65	Continental Tide Defense Systems, Inc. Top agencies Navy (Department of the Navy)	$21,684,235	0.1%	Rank history: #73 in FY2021, #67 in FY2022, #61 in FY2023 and #83 in FY2024; up 18 since FY2024.
66	Seemann Composites, LLC Top agencies Navy (Department of the Navy)	$20,492,684	0.1%	Rank history: not on the FY2021 list, #78 in FY2022, #36 in FY2023 and #49 in FY2024; down 17 since FY2024.
67	Jag Industrial Services, Inc. Top agencies DHS (Department of Homeland Security) Commerce (Department of Commerce)	$19,965,408	0.1%	Rank history: #71 in FY2021, #79 in FY2022, not on the FY2023 list and #62 in FY2024; down 5 since FY2024.
68	Ribcraft Usa, LLC Top agencies Navy (Department of the Navy)	$19,587,314	0.1%	Rank history: #82 in FY2021, #71 in FY2022, #64 in FY2023 and not on the FY2024 list; up 67 since FY2024.
69	Auxiliary Systems Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$18,881,664	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 90 since FY2024.
70	Gulf Copper & Manufacturing Corporation Top agencies Navy (Department of the Navy)	$18,389,993	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 178 since FY2024.
71	Inventech Marine Solutions, LLC Top agencies DHS (Department of Homeland Security) Army (Department of the Army) Navy (Department of the Navy)	$17,784,669	<0.1%	Rank history: not on the FY2021–FY2023 lists and #80 in FY2024; up 9 since FY2024.
72	Tote Services, LLC Top agencies DOT (Department of Transportation)	$17,398,775	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 91 since FY2024.
73	Metalcraft Marine US, Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$17,187,741	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 50 since FY2024.
74	Indal Technologies Inc 6 awardees, including Curtiss-Wright Electro-Mechanical Corp and EST Group Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$16,942,571	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 43 since FY2024.
75	Marine Group Boat Works, LLC Top agencies Navy (Department of the Navy)	$16,794,052	<0.1%	Rank history: #17 in FY2021, #32 in FY2022, #67 in FY2023 and #85 in FY2024; up 10 since FY2024.
76	Phoenix International Holdings, Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$16,029,773	<0.1%	Rank history: not on the FY2021–FY2023 lists and #73 in FY2024; down 3 since FY2024.
77	Lyon Shipyard Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$15,358,264	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 52 since FY2024.
78	Total Technology, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$14,563,407	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
79	Ice Floe, LLC 2 awardees, including Everett Ship Repair, LLC Top agencies Navy (Department of the Navy)	$14,092,242	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
80	Surface Technologies Corporation Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$13,364,321	<0.1%	Rank history: #91 in FY2021, #74 in FY2022, #84 in FY2023 and #87 in FY2024; up 7 since FY2024.
81	The Boeing Company Top agencies Navy (Department of the Navy)	$12,022,608	<0.1%	Rank history: #96 in FY2021, not on the FY2022–FY2023 lists and #79 in FY2024; down 2 since FY2024.
82	Sabine Marine Group Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$11,901,554	<0.1%	Rank history: #75 in FY2021, not on the FY2022–FY2023 lists and #98 in FY2024; up 16 since FY2024.
83	Sasebo Heavy Industries Co., Ltd. Top agencies Navy (Department of the Navy)	$11,542,176	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 194 since FY2024.
84	Propulsion Controls Engineering Top agencies Navy (Department of the Navy)	$11,287,183	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 30 since FY2024.
85	Advanced Integrated Technologies, LLC Top agencies Navy (Department of the Navy)	$11,268,532	<0.1%	Rank history: #77 in FY2021, #59 in FY2022, #72 in FY2023 and #64 in FY2024; down 21 since FY2024.
86	Integrated Marine Services, Inc. Top agencies Navy (Department of the Navy)	$11,068,337	<0.1%	Rank history: #54 in FY2021, #89 in FY2022, #92 in FY2023 and not on the FY2024 list; up 15 since FY2024.
87	Marine Ventures International, Inc. Top agencies Navy (Department of the Navy)	$10,961,690	<0.1%	Rank history: not on the FY2021–FY2022 lists, #96 in FY2023 and not on the FY2024 list; up 21 since FY2024.
88	Teledyne Flir Unmanned Ground Systems Inc 2 awardees, including Teledyne Brown Engineering, Inc. and Teledyne Reson Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$10,653,244	<0.1%	Rank history: #32 in FY2021, #90 in FY2022, #65 in FY2023 and #34 in FY2024; down 54 since FY2024.
89	Metalex Manufacturing Inc. Top agencies Navy (Department of the Navy)	$10,592,560	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
90	Leidos Holdings, Inc. 3 awardees, including Leidos, Inc., Gibbs & Cox, Inc. and Dynetics Technical Solutions Inc. Top agencies Navy (Department of the Navy)	$10,558,023	<0.1%	Rank history: #85 in FY2021, #57 in FY2022, #66 in FY2023 and #75 in FY2024; down 15 since FY2024.
91	Marisco, Ltd. 2 awardees Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$10,441,941	<0.1%	Rank history: not on the FY2021–FY2023 lists and #70 in FY2024; down 21 since FY2024.
92	United Support Services, Inc. Top agencies Navy (Department of the Navy)	$10,306,939	<0.1%	Rank history: #83 in FY2021 and not on the FY2022–FY2024 lists; up 14 since FY2024.
93	Orbis Sibro Inc. Top agencies Navy (Department of the Navy)	$10,012,345	<0.1%	Rank history: #78 in FY2021, #41 in FY2022, #80 in FY2023 and not on the FY2024 list; returned.
94	Platypus Marine Inc Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) Army (Department of the Army)	$9,941,862	<0.1%	Rank history: not on the FY2021–FY2022 lists, #81 in FY2023 and #81 in FY2024; down 13 since FY2024.
95	Motive Power Marine, LLC Top agencies Navy (Department of the Navy)	$9,638,137	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
96	Arab Shipbuilding & Repair Yard Co. (Asry) Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$9,601,927	<0.1%	Rank history: #100 in FY2021, not on the FY2022–FY2023 lists and #91 in FY2024; down 5 since FY2024.
97	Citrine-Olsson JV 2 LLC Top agencies USAF (Department of the Air Force)	$9,465,923	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
98	Standard Inspection Services Top agencies Navy (Department of the Navy)	$9,183,806	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 131 since FY2024.
99	Al Larson Boat Shop Top agencies Navy (Department of the Navy)	$8,756,264	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 39 since FY2024.
100	Valkyrie Enterprises, LLC Top agencies Navy (Department of the Navy)	$8,754,331	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 307 since FY2024.

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100 of 1,254 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 3366

Code	Net obligations	Largest contractor
33661 Ship and Boat Building	$36,299,719,278	General Dynamics Corporation

How this ranking works

Source: every contract action FPDS records (as published on SAM.gov) in the period, as GovTribe received it.
Amounts are net obligations: what was obligated, less what was deobligated. Shares are of $37.8 billion obligated before deobligations, so they never pass 100%.
Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. An awardee whose own actions mostly name no parent, and that no other company's actions name as their parent, rolls up its SAM.gov registration's chain of parent companies: it counts under the first company there that other companies' actions name as their parent, or under the parent most of a company's own actions name, whichever comes first; with neither, under the highest company in the chain with federal contracts of its own. Joint ventures stay companies of their own. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
Fiscal year 2025 ran Oct 1, 2024 – Sep 30, 2025. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2024. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2024 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 NAICS 3366 contractors in FY2025?

1. General Dynamics Corporation ($18.3B), 2. Huntington Ingalls Industries, Inc. ($7.96B), 3. BAE Systems ($1.15B), 4. Textron Inc. ($937M), 5. Bollinger Shipyards Lockport, L.L.C. ($815M), 6. Austal USA LLC ($803M), 7. Vigor Industrial LLC ($579M), 8. RTX Corporation ($370M), 9. Blueforge Alliance ($366M), 10. Birdon America Inc. ($261M).

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