Top 100 Contractors in PSC J999: Non-Nuclear Ship Repair (West), FY2021

Name: Top 100 Contractors in PSC J999: Non-Nuclear Ship Repair (West), FY2021
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2020 – Sep 30, 2021 Code page on GovTribe

The top 10 won 65% of FY2021 PSC J999 contract dollars

Contract obligations: $1,906,271,457 Net of deobligations, by contracts coded PSC J999
Contractors: 177 Parent companies with an obligation
Largest contractor: General Dynamics Corporation $568 million, 27.6% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	General Dynamics Corporation 5 awardees, including National Steel and Shipbuilding Company, Metro Machine Corp and Bath Iron Works Corporation Top agencies Navy (Department of the Navy)	$567,890,681	27.6%	Rank history: #3 in FY2022, #2 in FY2023, #7 in FY2024 and #2 in FY2025; up 3 since FY2020.
2	Thomas Scientific 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)	$138,038,557	6.7%	Rank history: #1 in FY2022, #1 in FY2023, #2 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
3	BAE Systems PLC 2 awardees, including BAE Systems Maritime Solutions San Diego Inc. and BAE Systems Hawaii Shipyards Inc. Top agencies Navy (Department of the Navy)	$135,482,039	6.6%	Rank history: #2 in FY2022, #3 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2020.
4	Huntington Ingalls Industries, Inc. 3 awardees, including HII San Diego Shipyard Inc., Huntington Ingalls Inc. and HII Fleet Support Group LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$110,809,130	5.4%	Rank history: #5 in FY2022, #6 in FY2023, #3 in FY2024 and #4 in FY2025; up 2 since FY2020.
5	Vigor Marine LLC Top agencies Navy (Department of the Navy)	$84,371,344	4.1%	Rank history: not on the FY2022–FY2025 lists; up 58 since FY2020.
6	Sumitomo Heavy Industries, Ltd. 2 awardees Top agencies Navy (Department of the Navy)	$74,554,148	3.6%	Rank history: #6 in FY2022, #7 in FY2023, #6 in FY2024 and #7 in FY2025; up 2 since FY2020.
7	Marine Group Boat Works, LLC Top agencies Navy (Department of the Navy)	$60,050,381	2.9%	Rank history: #11 in FY2022, not on the FY2023–FY2024 lists and #61 in FY2025; up 4 since FY2020.
8	Mare Island Dry Dock LLC Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy)	$59,886,251	2.9%	Rank history: #4 in FY2022, #5 in FY2023, #12 in FY2024 and #17 in FY2025; up 1 since FY2020.
9	Epsilon Systems Solutions, Inc. 2 awardees Top agencies Navy (Department of the Navy)	$53,903,849	2.6%	Rank history: #8 in FY2022, #8 in FY2023, #8 in FY2024 and #6 in FY2025; up 5 since FY2020.
10	Pacific Ship Repair & Fabrication, Inc. 3 awardees Top agencies Navy (Department of the Navy)	$53,611,102	2.6%	Rank history: not on the FY2022 list, #67 in FY2023 and not on the FY2024–FY2025 lists; up 11 since FY2020.
11	Vigor Works LLC Through Vigor Marine LLC Top agencies Navy (Department of the Navy)	$49,306,940	2.4%	Rank history: not on the FY2022–FY2025 lists; down 10 since FY2020.
12	Continental Maritime of San Diego, LLC Top agencies Navy (Department of the Navy)	$34,318,453	1.7%	Rank history: #10 in FY2022, #4 in FY2023, #61 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
13	Cabras Marine Corporation 2 awardees Top agencies Navy (Department of the Navy)	$30,740,977	1.5%	Rank history: #17 in FY2022, #13 in FY2023, #18 in FY2024 and #11 in FY2025; up 2 since FY2020.
14	East Coast Repair & Fabrication, LLC Top agencies Navy (Department of the Navy)	$21,363,613	1.0%	Rank history: #22 in FY2022, #17 in FY2023, #28 in FY2024 and #51 in FY2025; up 94 since FY2020.
15	Shinko Co.,Ltd. Top agencies Navy (Department of the Navy)	$20,192,611	1.0%	Rank history: #23 in FY2022, #21 in FY2023, #27 in FY2024 and #34 in FY2025; up 11 since FY2020.
16	Sembcorp Marine Repairs & Upgrades PTE. Ltd. Through Seatrium Repairs & Upgrades Pte. Ltd. Top agencies Navy (Department of the Navy)	$19,874,103	1.0%	Rank history: not on the FY2022–FY2025 lists; unchanged since FY2020.
17	Pacific Shipyards International, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$19,730,379	1.0%	Rank history: #25 in FY2022, #11 in FY2023, #5 in FY2024 and #5 in FY2025; down 4 since FY2020.
18	Integrated Marine Services, Inc. Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy)	$19,613,830	1.0%	Rank history: #26 in FY2022, #30 in FY2023, #45 in FY2024 and #31 in FY2025; up 22 since FY2020.
19	Mitsubishi Heavy Industries, Ltd. Top agencies Navy (Department of the Navy)	$19,576,369	1.0%	Rank history: #15 in FY2022, #64 in FY2023, #13 in FY2024 and #16 in FY2025; up 30 since FY2020.
20	Alabama Shipyard LLC Top agencies Navy (Department of the Navy)	$19,447,710	0.9%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
21	Colonna's Ship Yard, Incorporated Top agencies Navy (Department of the Navy) Army (Department of the Army)	$19,231,505	0.9%	Rank history: not on the FY2022 list, #74 in FY2023, #60 in FY2024 and #66 in FY2025; up 54 since FY2020.
22	BAE Systems Land & Armaments L.P. 2 awardees, including BAE Systems Maritime Solutions San Diego Inc. Top agencies Navy (Department of the Navy)	$17,726,601	0.9%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
23	Southcoast Welding & Manufacturing, Llc. Top agencies Navy (Department of the Navy)	$17,668,048	0.9%	Rank history: #16 in FY2022, #9 in FY2023, #9 in FY2024 and #10 in FY2025; up 2 since FY2020.
24	Seatrium Repairs & Upgrades Pte. Ltd. Top agencies Navy (Department of the Navy)	$15,548,853	0.8%	Rank history: not on the FY2022–FY2025 lists; up 94 since FY2020.
25	Walashek Industrial & Marine Inc. 2 awardees Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$14,348,220	0.7%	Rank history: #81 in FY2022 and not on the FY2023–FY2025 lists; up 3 since FY2020.
26	Metro Machine Corp Top agencies Navy (Department of the Navy)	$13,150,635	0.6%	Rank history: not on the FY2022–FY2025 lists; up 57 since FY2020.
27	Lake Union Drydock Company Top agencies DHS (Department of Homeland Security)	$11,077,575	0.5%	Rank history: #24 in FY2022, #46 in FY2023, #34 in FY2024 and #39 in FY2025; up 6 since FY2020.
28	Jag Industrial Services, Inc. Top agencies DHS (Department of Homeland Security)	$10,045,444	0.5%	Rank history: #28 in FY2022, #70 in FY2023, #16 in FY2024 and #19 in FY2025; down 10 since FY2020.
29	Bay City Marine, Inc. Top agencies Navy (Department of the Navy)	$9,952,114	0.5%	Rank history: #84 in FY2022, #61 in FY2023, #76 in FY2024 and #48 in FY2025; up 24 since FY2020.
30	BAE Systems Maritime Solutions San Diego Inc. Top agencies Navy (Department of the Navy)	$9,633,375	0.5%	Rank history: #30 in FY2022 and not on the FY2023–FY2025 lists; down 23 since FY2020.
31	Propulsion Controls Engineering, LLC 4 awardees Top agencies Navy (Department of the Navy)	$9,091,640	0.4%	Rank history: #41 in FY2022, #16 in FY2023, #19 in FY2024 and #18 in FY2025; down 12 since FY2020.
32	Rolls-Royce Military Aero Engines Ltd 3 awardees, including Rolls-Royce Solutions America Inc., Rolls-Royce Marine North America Inc. and Rolls-Royce Solutions Asia Pte. Ltd. Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy)	$7,561,142	0.4%	Rank history: #33 in FY2022, #19 in FY2023, #59 in FY2024 and not on the FY2025 list; down 5 since FY2020.
33	Northrop Grumman Systems Corporation Top agencies Navy (Department of the Navy)	$7,497,506	0.4%	Rank history: not on the FY2022–FY2023 lists, #81 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
34	Yamaguchi Machinery Co.,Ltd. Top agencies Navy (Department of the Navy)	$7,460,641	0.4%	Rank history: #39 in FY2022, #36 in FY2023, #40 in FY2024 and #44 in FY2025; up 9 since FY2020.
35	Federal Marine & Defense Services LLC Top agencies DHS (Department of Homeland Security)	$7,308,029	0.4%	Rank history: #56 in FY2022, #45 in FY2023, #35 in FY2024 and #45 in FY2025; down 13 since FY2020.
36	ST Engineering Halter Marine and Offshore Inc. Through ST Engineering Marine Ltd. Top agencies Navy (Department of the Navy)	$7,128,767	0.3%	Rank history: #47 in FY2022 and not on the FY2023–FY2025 lists; down 5 since FY2020.
37	Japan Marine United Corporation Top agencies Navy (Department of the Navy)	$6,841,921	0.3%	Rank history: #19 in FY2022, #90 in FY2023 and not on the FY2024–FY2025 lists; up 62 since FY2020.
38	Guam Industrial Services Inc. Top agencies Navy (Department of the Navy)	$6,422,324	0.3%	Rank history: #21 in FY2022, #24 in FY2023, #20 in FY2024 and #29 in FY2025; up 82 since FY2020.
39	Hosei Co., Ltd. Top agencies Navy (Department of the Navy)	$6,293,409	0.3%	Rank history: #50 in FY2022, #33 in FY2023, #57 in FY2024 and #55 in FY2025; unchanged since FY2020.
40	Unithai Shipyard & Engineering Limited Through Unithai Shipyard & Engineering Limited - Branch Top agencies Navy (Department of the Navy)	$6,027,497	0.3%	Rank history: #18 in FY2022, #15 in FY2023 and not on the FY2024–FY2025 lists; up 2 since FY2020.
41	Jonghap Maritime Inc. Top agencies Navy (Department of the Navy)	$5,649,374	0.3%	Rank history: #40 in FY2022, #44 in FY2023, #43 in FY2024 and #50 in FY2025; up 29 since FY2020.
42	Old Harbor Native Corporation 2 awardees, including Ocean Bay Information and Systems Management, LLC and Amee Bay, LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$5,532,012	0.3%	Rank history: not on the FY2022–FY2025 lists; down 1 since FY2020.
43	United Support Services, Inc. Top agencies Navy (Department of the Navy)	$4,872,180	0.2%	Rank history: not on the FY2022–FY2025 lists; up 16 since FY2020.
44	Marisco, Ltd. Top agencies Navy (Department of the Navy)	$4,634,145	0.2%	Rank history: #42 in FY2022, #31 in FY2023, #26 in FY2024 and #25 in FY2025; up 43 since FY2020.
45	Toyo Trust Tokki Co. Ltd. Top agencies Navy (Department of the Navy)	$4,616,810	0.2%	Rank history: #59 in FY2022, #35 in FY2023, #51 in FY2024 and not on the FY2025 list; down 7 since FY2020.
46	Bay Ship & Yacht Co 2 awardees, including Bay Marine Boatworks, Inc. Top agencies DHS (Department of Homeland Security) Army (Department of the Army)	$4,429,924	0.2%	Rank history: #7 in FY2022, #42 in FY2023, #33 in FY2024 and #42 in FY2025; down 34 since FY2020.
47	Sunjin Entech Co.,Ltd. Top agencies Navy (Department of the Navy)	$4,099,889	0.2%	Rank history: #12 in FY2022, #60 in FY2023, #54 in FY2024 and not on the FY2025 list; up 118 since FY2020.
48	Bollinger Shipyards Inc Through Bollinger Shipyards Lockport, L.L.C. Top agencies DHS (Department of Homeland Security)	$4,082,133	0.2%	Rank history: #57 in FY2022, #27 in FY2023, #90 in FY2024 and not on the FY2025 list; up 41 since FY2020.
49	Wartsila Defense Inc. 2 awardees, including Defense Maritime Solutions, Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$3,756,478	0.2%	Rank history: #97 in FY2022 and not on the FY2023–FY2025 lists; up 58 since FY2020.
50	Fairbanks Morse LLC 2 awardees Top agencies Navy (Department of the Navy)	$3,685,890	0.2%	Rank history: #65 in FY2022, #39 in FY2023, not on the FY2024 list and #77 in FY2025; down 26 since FY2020.
51	International Marine Company Top agencies Navy (Department of the Navy)	$3,057,445	0.1%	Rank history: #34 in FY2022, #47 in FY2023, #53 in FY2024 and #43 in FY2025; down 3 since FY2020.
52	C & S Services, Inc. Top agencies Navy (Department of the Navy)	$2,835,100	0.1%	Rank history: #60 in FY2022, #50 in FY2023 and not on the FY2024–FY2025 lists; down 15 since FY2020.
53	National University of Singapore Through Seatrium Repairs & Upgrades Pte. Ltd. Top agencies Navy (Department of the Navy)	$2,626,052	0.1%	Rank history: #13 in FY2022, #14 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
54	Confluence Corp Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$2,564,181	0.1%	Rank history: #32 in FY2022, #23 in FY2023, #42 in FY2024 and #38 in FY2025; down 34 since FY2020.
55	Platypus Marine Inc. Top agencies DHS (Department of Homeland Security)	$2,539,253	0.1%	Rank history: #54 in FY2022 and not on the FY2023–FY2025 lists; up 29 since FY2020.
56	The Phoenician, LLC Top agencies Navy (Department of the Navy)	$2,456,167	0.1%	Rank history: #70 in FY2022 and not on the FY2023–FY2025 lists; up 9 since FY2020.
57	Motoyama Co., Ltd. Top agencies Navy (Department of the Navy)	$2,373,457	0.1%	Rank history: #69 in FY2022, #65 in FY2023, #69 in FY2024 and #64 in FY2025; up 15 since FY2020.
58	Colonna's Shipyard West, LLC Top agencies Navy (Department of the Navy)	$2,272,894	0.1%	Rank history: #58 in FY2022, #80 in FY2023, #89 in FY2024 and not on the FY2025 list; down 11 since FY2020.
59	Mitsui E&S Holdings Co., Ltd. Top agencies Navy (Department of the Navy)	$2,262,262	0.1%	Rank history: not on the FY2022–FY2025 lists; up 5 since FY2020.
60	Life Cycle Engineering Inc. Top agencies Navy (Department of the Navy)	$2,123,657	0.1%	Rank history: #20 in FY2022, not on the FY2023 list, #17 in FY2024 and #21 in FY2025; down 43 since FY2020.
61	Adept Process Services, Inc. Top agencies Navy (Department of the Navy)	$1,899,162	0.1%	Rank history: not on the FY2022 list, #94 in FY2023 and not on the FY2024–FY2025 lists; down 15 since FY2020.
62	SAN Denshi Kogyo Co. Ltd. Top agencies Navy (Department of the Navy)	$1,817,338	0.1%	Rank history: #74 in FY2022, #66 in FY2023 and not on the FY2024–FY2025 lists; up 9 since FY2020.
63	Orbis Sibro Inc. Top agencies Navy (Department of the Navy)	$1,668,501	0.1%	Rank history: not on the FY2022 list, #20 in FY2023 and not on the FY2024–FY2025 lists; down 40 since FY2020.
64	Chae and Nam Universe Inc. Top agencies Navy (Department of the Navy)	$1,508,409	0.1%	Rank history: #51 in FY2022, #58 in FY2023, #52 in FY2024 and #56 in FY2025; up 33 since FY2020.
65	Sasebo Marine and Port Services Co. Ltd. 2 awardees, including Sasebo Heavy Industries Co., Ltd. Top agencies Navy (Department of the Navy)	$1,508,085	0.1%	Rank history: #66 in FY2022 and not on the FY2023–FY2025 lists; down 7 since FY2020.
66	South Bay Sand Blasting and Tank Cleaning, Inc. Top agencies Navy (Department of the Navy)	$1,498,858	0.1%	Rank history: not on the FY2022 list, #83 in FY2023, #68 in FY2024 and #81 in FY2025; down 36 since FY2020.
67	Coastal Marine Services, Inc. Top agencies Navy (Department of the Navy)	$1,435,654	0.1%	Rank history: #64 in FY2022, #49 in FY2023, #55 in FY2024 and #49 in FY2025; down 5 since FY2020.
68	Curtiss-Wright Corporation Through Curtiss-Wright Electro-Mechanical Corporation Top agencies Navy (Department of the Navy)	$1,341,420	0.1%	Rank history: #38 in FY2022, #41 in FY2023, #49 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
69	Cepeda Associates, Inc. Top agencies Navy (Department of the Navy)	$1,302,144	0.1%	Rank history: not on the FY2022–FY2023 lists, #95 in FY2024 and not on the FY2025 list; up 16 since FY2020.
70	VSE Corporation Top agencies DHS (Department of Homeland Security)	$1,259,800	0.1%	Rank history: not on the FY2022–FY2025 lists; down 19 since FY2020.
71	Surface Technologies Corporation Top agencies Navy (Department of the Navy)	$1,195,263	0.1%	Rank history: not on the FY2022 list, #93 in FY2023, not on the FY2024 list and #57 in FY2025; down 26 since FY2020.
72	Delphinus Engineering LLC Top agencies Navy (Department of the Navy)	$1,082,561	0.1%	Rank history: #52 in FY2022, #18 in FY2023, #23 in FY2024 and #20 in FY2025; down 38 since FY2020.
73	R. Ward & Associates, Inc. Top agencies Army (Department of the Army)	$1,031,254	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
74	The Great Lakes Towing Company LLC Top agencies DHS (Department of Homeland Security)	$993,206	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 5 since FY2020.
75	DLP Enterprises, Inc. Top agencies Navy (Department of the Navy)	$775,307	<0.1%	Rank history: #77 in FY2022, #76 in FY2023, #74 in FY2024 and #80 in FY2025; up 13 since FY2020.
76	Huntington Ingalls Inc. Top agencies Navy (Department of the Navy)	$768,651	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 41 since FY2020.
77	Aqua-Chem, Inc. Top agencies DHS (Department of Homeland Security)	$750,905	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
78	Management & Engineering Technologies International Inc. Top agencies DHS (Department of Homeland Security)	$728,412	<0.1%	Rank history: #72 in FY2022 and not on the FY2023–FY2025 lists; down 4 since FY2020.
79	Janco Enterprises Inc. Top agencies DHS (Department of Homeland Security)	$682,590	<0.1%	Rank history: #78 in FY2022 and not on the FY2023–FY2025 lists; down 23 since FY2020.
80	Thermcor Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$596,236	<0.1%	Rank history: #98 in FY2022 and not on the FY2023–FY2025 lists; up 24 since FY2020.
81	The Sherwin-Williams Company Top agencies Navy (Department of the Navy)	$590,229	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
82	Nielsen Beaumont Marine, Inc. Top agencies Navy (Department of the Navy)	$559,226	<0.1%	Rank history: #55 in FY2022 and not on the FY2023–FY2025 lists; down 50 since FY2020.
83	Oceaneering International Inc. Top agencies Navy (Department of the Navy)	$528,766	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 7 since FY2020.
84	Sri International Top agencies Army (Department of the Army)	$525,138	<0.1%	Rank history: #89 in FY2022, #78 in FY2023, not on the FY2024 list and #94 in FY2025; new, not ranked in FY2020.
85	ITO Iron Works & Shipbuilding Co., Ltd. Top agencies Navy (Department of the Navy)	$508,809	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 39 since FY2020.
86	Jag Alaska Inc. Top agencies DHS (Department of Homeland Security)	$498,834	<0.1%	Rank history: #31 in FY2022, #22 in FY2023 and not on the FY2024–FY2025 lists; down 57 since FY2020.
87	Marine & Restaurant Fabricators, Inc. Top agencies Navy (Department of the Navy)	$481,202	<0.1%	Rank history: not on the FY2022 list, #82 in FY2023, not on the FY2024 list and #96 in FY2025; up 11 since FY2020.
88	North Wind Resource Consulting, LLC Top agencies Army (Department of the Army)	$475,950	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 6 since FY2020.
89	Reedsport Machine & Fabrication, LLC Top agencies DHS (Department of Homeland Security)	$407,609	<0.1%	Rank history: #79 in FY2022, #88 in FY2023 and not on the FY2024–FY2025 lists; up 11 since FY2020.
90	Etajima Shipbuilding Co., Ltd. Top agencies Army (Department of the Army)	$380,451	<0.1%	Rank history: not on the FY2022–FY2024 lists and #98 in FY2025; up 40 since FY2020.
91	Phoenix Marine LLC Top agencies DHS (Department of Homeland Security)	$371,592	<0.1%	Rank history: #82 in FY2022, #72 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2020.
92	Northrop Grumman Corporation Through Northrop Grumman Systems Corporation Top agencies Navy (Department of the Navy)	$368,710	<0.1%	Rank history: not on the FY2022 list, #38 in FY2023 and not on the FY2024–FY2025 lists; up 70 since FY2020.
93	Willard Marine, Inc. Top agencies Navy (Department of the Navy)	$360,458	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 33 since FY2020.
94	Sitta, Paige & Associates, Inc. Top agencies Navy (Department of the Navy)	$323,028	<0.1%	Rank history: not on the FY2022–FY2024 lists and #89 in FY2025; up 21 since FY2020.
95	Shaka Engineering Inc. Top agencies Navy (Department of the Navy)	$310,212	<0.1%	Rank history: not on the FY2022 list, #97 in FY2023 and not on the FY2024–FY2025 lists; up 17 since FY2020.
96	Sauer Compressors USA Inc. Top agencies Navy (Department of the Navy)	$308,603	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 36 since FY2020.
97	Miller Marine LLC Top agencies Navy (Department of the Navy)	$306,657	<0.1%	Rank history: not on the FY2022–FY2024 lists and #84 in FY2025; up 44 since FY2020.
98	Volkswagen AG Through Everllence Singapore Pte. Ltd. Top agencies Navy (Department of the Navy)	$298,775	<0.1%	Rank history: #27 in FY2022 and not on the FY2023–FY2025 lists; down 17 since FY2020.
99	Inc.. A California Corporation Bermingham Controls Top agencies Navy (Department of the Navy)	$298,536	<0.1%	Rank history: not on the FY2022 list, #84 in FY2023, not on the FY2024 list and #59 in FY2025; new, not ranked in FY2020.
100	National Steel and Shipbuilding Company Top agencies Navy (Department of the Navy)	$255,684	<0.1%	Rank history: not on the FY2022–FY2023 lists, #30 in FY2024 and not on the FY2025 list; down 95 since FY2020.

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100 of 177 contractors listed here. See the rest on GovTribe.

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 $2.05 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. 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 2021 ran Oct 1, 2020 – Sep 30, 2021. 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 FY2020. "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 FY2020 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 PSC J999 contractors in FY2021?

1. General Dynamics Corporation ($568M), 2. Thomas Scientific LLC ($138M), 3. BAE Systems PLC ($135M), 4. Huntington Ingalls Industries, Inc. ($111M), 5. Vigor Marine LLC ($84.4M), 6. Sumitomo Heavy Industries, Ltd. ($74.6M), 7. Marine Group Boat Works, LLC ($60.1M), 8. Mare Island Dry Dock LLC ($59.9M), 9. Epsilon Systems Solutions, Inc. ($53.9M), 10. Pacific Ship Repair & Fabrication, Inc. ($53.6M).

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