Top 100 Contractors in PSC 2010: Ship and Boat Propulsion Components, FY2021

Name: Top 100 Contractors in PSC 2010: Ship and Boat Propulsion Components, FY2021
Creator: GovTribe

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

The top 10 won 96% of FY2021 PSC 2010 contract dollars

Contract obligations: $1,386,365,568 Net of deobligations, by contracts coded PSC 2010
Contractors: 182 Parent companies with an obligation
Largest contractor: Government of the United States $1.07 billion, 77.1% 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	Government of the United States Through Department of Energy Top agencies Navy (Department of the Navy)	$1,071,074,048	77.1%	Rank history: #1 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
2	The Timken Company 2 awardees, including Timken Gears & Services Inc. Top agencies Navy (Department of the Navy)	$77,454,002	5.6%	Rank history: #2 in FY2022, #1 in FY2023, #83 in FY2024 and not on the FY2025 list; down 1 since FY2020.
3	Rolls-Royce Military Aero Engines Ltd 2 awardees, including Rolls-Royce Marine North America Inc. and Rolls-Royce Solutions America Inc. Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy)	$48,529,977	3.5%	Rank history: #8 in FY2022, #7 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2020.
4	BAE Systems PLC 3 awardees, including BAE Systems Land & Armaments L.P. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$41,611,030	3.0%	Rank history: #3 in FY2022, #3 in FY2023, #1 in FY2024 and #1 in FY2025; down 1 since FY2020.
5	BAE Systems Land & Armaments L.P. 2 awardees Top agencies Navy (Department of the Navy)	$38,361,040	2.8%	Rank history: #74 in FY2022 and not on the FY2023–FY2025 lists; up 8 since FY2020.
6	Bender Ccp, Inc. Top agencies Navy (Department of the Navy)	$17,901,536	1.3%	Rank history: #13 in FY2022, #10 in FY2023, #20 in FY2024 and not on the FY2025 list; up 60 since FY2020.
7	Wartsila Defense Inc. 3 awardees, including Defense Maritime Solutions, Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) DCMA (Defense Contract Management Agency)	$11,945,355	0.9%	Rank history: #7 in FY2022, #6 in FY2023, #18 in FY2024 and not on the FY2025 list; down 2 since FY2020.
8	Ship Colonna'S Yard Incorporated 2 awardees, including Colonna's Shipyard Inc. and Colonna's Ship Yard, Incorporated Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$10,950,257	0.8%	Rank history: #14 in FY2022, #8 in FY2023, #12 in FY2024 and #10 in FY2025; up 10 since FY2020.
9	General Electric Company 4 awardees, including GE Aviation Systems LLC and GE Energy Power Conversion Naval Systems Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$9,523,933	0.7%	Rank history: #12 in FY2022, #43 in FY2023, #26 in FY2024 and #17 in FY2025; down 5 since FY2020.
10	The Boeing Company Top agencies Navy (Department of the Navy)	$7,596,717	0.5%	Rank history: #11 in FY2022, #12 in FY2023, #4 in FY2024 and #8 in FY2025; down 2 since FY2020.
11	Park Corporation Through Erie Forge & Steel Inc. Top agencies Navy (Department of the Navy)	$6,532,135	0.5%	Rank history: #4 in FY2022, #4 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
12	Fairbanks Morse LLC 2 awardees Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$5,817,218	0.4%	Rank history: #5 in FY2022, #2 in FY2023, #10 in FY2024 and not on the FY2025 list; unchanged since FY2020.
13	General Atomic Technologies Corporation Through General Atomics Top agencies Navy (Department of the Navy)	$3,760,562	0.3%	Rank history: #9 in FY2022, #9 in FY2023, #42 in FY2024 and not on the FY2025 list; up 32 since FY2020.
14	Art Craft Fabricators Inc. Top agencies Navy (Department of the Navy)	$3,001,541	0.2%	Rank history: #16 in FY2022, #15 in FY2023, #6 in FY2024 and #11 in FY2025; down 3 since FY2020.
15	Erie Forge & Steel Inc. Top agencies Navy (Department of the Navy)	$2,567,298	0.2%	Rank history: not on the FY2022–FY2025 lists; down 8 since FY2020.
16	Kongsberg Gruppen ASA Through Kongsberg Maritime Inc. Top agencies DHS (Department of Homeland Security)	$2,496,503	0.2%	Rank history: #20 in FY2022, #19 in FY2023, #24 in FY2024 and not on the FY2025 list; up 6 since FY2020.
17	Louis Allis LLC Top agencies DHS (Department of Homeland Security)	$2,445,816	0.2%	Rank history: not on the FY2022–FY2023 lists, #92 in FY2024 and not on the FY2025 list; up 12 since FY2020.
18	Renk Systems Corporation Top agencies Navy (Department of the Navy)	$1,804,171	0.1%	Rank history: not on the FY2022 list, #73 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
19	Wildcat Propellers, Inc. Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy)	$1,787,703	0.1%	Rank history: #22 in FY2022, #31 in FY2023, #38 in FY2024 and #20 in FY2025; unchanged since FY2020.
20	L3Harris Technologies, Inc. Through L3 Technologies, Inc. Top agencies Navy (Department of the Navy)	$1,609,320	0.1%	Rank history: not on the FY2022–FY2025 lists; up 26 since FY2020.
21	Seemann Composites, LLC Top agencies Navy (Department of the Navy)	$1,562,608	0.1%	Rank history: #19 in FY2022, #17 in FY2023, #16 in FY2024 and #6 in FY2025; down 7 since FY2020.
22	Hackforth Holding GMBH & Co. KG Through American Vulkan Corporation Top agencies Navy (Department of the Navy)	$1,168,706	0.1%	Rank history: #29 in FY2022 and not on the FY2023–FY2025 lists; up 13 since FY2020.
23	Dutch Valley Supply Co. Top agencies DLA (Defense Logistics Agency)	$1,128,896	0.1%	Rank history: #31 in FY2022, #30 in FY2023, #65 in FY2024 and #21 in FY2025; up 20 since FY2020.
24	Metaltek International, Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$1,049,575	0.1%	Rank history: #25 in FY2022, #21 in FY2023, #22 in FY2024 and #27 in FY2025; down 7 since FY2020.
25	Volkswagen AG 2 awardees, including Everllence Middle East and Africa L.l.c Top agencies Navy (Department of the Navy)	$1,039,727	0.1%	Rank history: #10 in FY2022, #25 in FY2023 and not on the FY2024–FY2025 lists; down 9 since FY2020.
26	Duramax Marine, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) DHS (Department of Homeland Security)	$848,995	0.1%	Rank history: #35 in FY2022, #20 in FY2023, #33 in FY2024 and #19 in FY2025; up 2 since FY2020.
27	Board of Governers State University System of Florida Through Florida State University Top agencies Navy (Department of the Navy)	$800,000	0.1%	Rank history: not on the FY2022–FY2025 lists; down 7 since FY2020.
28	General Atomics Top agencies Navy (Department of the Navy)	$669,267	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
29	Drew Marine USA Inc 2 awardees Top agencies DOT (Department of Transportation)	$613,093	<0.1%	Rank history: #30 in FY2022, #22 in FY2023, #23 in FY2024 and #18 in FY2025; new, not ranked in FY2020.
30	Kingsbury Inc. 2 awardees Top agencies Navy (Department of the Navy)	$576,818	<0.1%	Rank history: not on the FY2022–FY2024 lists and #26 in FY2025; up 25 since FY2020.
31	Defense Maritime Solutions, Inc. Top agencies Navy (Department of the Navy)	$499,304	<0.1%	Rank history: not on the FY2022–FY2023 lists, #2 in FY2024 and #7 in FY2025; up 2 since FY2020.
32	Millers Island Propeller, Incorporated Top agencies DHS (Department of Homeland Security)	$446,450	<0.1%	Rank history: #91 in FY2022, #57 in FY2023, not on the FY2024 list and #81 in FY2025; up 72 since FY2020.
33	Inventech Marine Solutions LLC Top agencies DHS (Department of Homeland Security)	$422,559	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
34	Leidos Holdings, Inc. Through Dynetics Technical Solutions Inc. Top agencies Navy (Department of the Navy)	$414,265	<0.1%	Rank history: #32 in FY2022, #27 in FY2023, #60 in FY2024 and not on the FY2025 list; up 10 since FY2020.
35	Mil Serve International Inc. Top agencies DOS (Department of State)	$413,849	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
36	Mide Technology Corp Top agencies Navy (Department of the Navy)	$360,833	<0.1%	Rank history: #59 in FY2022, #49 in FY2023 and not on the FY2024–FY2025 lists; down 9 since FY2020.
37	Bollinger Shipyards Inc Through Chand, L.L.C. Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$338,395	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
38	UEI NP38QTJDEQX4 Top agencies HHS (Department of Health and Human Services)	$324,918	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
39	Marisco, Ltd. Through American Metal Bearing Co Top agencies Navy (Department of the Navy)	$322,935	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 8 since FY2020.
40	Askew Industrial Corporation Top agencies Navy (Department of the Navy)	$314,862	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
41	ZF Marine Propulsion Systems Miramar LLC Top agencies DHS (Department of Homeland Security) Army (Department of the Army)	$297,814	<0.1%	Rank history: #27 in FY2022, #16 in FY2023, #27 in FY2024 and #24 in FY2025; down 17 since FY2020.
42	Pioneer Industries, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$249,953	<0.1%	Rank history: #40 in FY2022, #41 in FY2023, #37 in FY2024 and #45 in FY2025; down 6 since FY2020.
43	Zodiac of North America Inc. Top agencies DHS (Department of Homeland Security)	$242,356	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
44	Science Applications International Corporation Through Asrc Federal Facilities Logistics, LLC Top agencies DLA (Defense Logistics Agency)	$236,303	<0.1%	Rank history: #42 in FY2022, #33 in FY2023 and not on the FY2024–FY2025 lists; down 5 since FY2020.
45	A.g.h. Industries, LLC Top agencies DLA (Defense Logistics Agency)	$226,970	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
46	Cornell-Carr Co., Inc. Top agencies DHS (Department of Homeland Security)	$210,212	<0.1%	Rank history: #75 in FY2022 and not on the FY2023–FY2025 lists; down 9 since FY2020.
47	Aarcorp Through AAR Supply Chain, Inc. Top agencies DLA (Defense Logistics Agency)	$209,602	<0.1%	Rank history: #90 in FY2022 and not on the FY2023–FY2025 lists; up 41 since FY2020.
48	CACI International Inc. Through Caci, Inc. - Federal Top agencies Navy (Department of the Navy)	$192,340	<0.1%	Rank history: #53 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
49	Industrial Painters Associates and Services Inc. Top agencies DOS (Department of State) Army (Department of the Army)	$185,954	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
50	Blanchard Machinery Company Top agencies DOS (Department of State)	$172,423	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
51	Central Florida Yamaha Inc. Top agencies Army (Department of the Army) DHS (Department of Homeland Security)	$166,207	<0.1%	Rank history: #33 in FY2022, #26 in FY2023, #46 in FY2024 and #36 in FY2025; down 11 since FY2020.
52	Middle Georgia Diversified Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$159,787	<0.1%	Rank history: #57 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
53	Brackett Machine Inc. Top agencies DHS (Department of Homeland Security)	$146,930	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
54	RTX Corporation 3 awardees, including Goodrich Corporation and Hamilton Sundstrand Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$129,582	<0.1%	Rank history: #6 in FY2022, #5 in FY2023, #5 in FY2024 and #3 in FY2025; up 9 since FY2020.
55	The Washington Marina Company Top agencies Army (Department of the Army)	$127,049	<0.1%	Rank history: #83 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
56	EHB Supply Top agencies Navy (Department of the Navy)	$116,738	<0.1%	Rank history: not on the FY2022 list, #68 in FY2023, #48 in FY2024 and #65 in FY2025; new, not ranked in FY2020.
57	Scott Industrial Systems, Inc. Top agencies DLA (Defense Logistics Agency)	$116,567	<0.1%	Rank history: #86 in FY2022, not on the FY2023 list, #70 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
58	CNS Co LLC Top agencies DLA (Defense Logistics Agency)	$114,131	<0.1%	Rank history: #64 in FY2022 and not on the FY2023–FY2025 lists; up 19 since FY2020.
59	The Rowland Company Top agencies Navy (Department of the Navy)	$110,166	<0.1%	Rank history: not on the FY2022 list, #69 in FY2023, not on the FY2024 list and #74 in FY2025; up 15 since FY2020.
60	Motor-Services Hugo Stamp, Inc. Top agencies Navy (Department of the Navy)	$108,549	<0.1%	Rank history: not on the FY2022 list, #35 in FY2023 and not on the FY2024–FY2025 lists; down 11 since FY2020.
61	Bramhall & Goldberg, Limited Top agencies Navy (Department of the Navy)	$105,737	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 103 since FY2020.
62	Warfighter Focused Logistics Inc. Top agencies DLA (Defense Logistics Agency)	$103,500	<0.1%	Rank history: #66 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
63	Donatini, Inc. Top agencies DHS (Department of Homeland Security) DOS (Department of State)	$100,983	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
64	Aim Inc. Top agencies Navy (Department of the Navy)	$97,519	<0.1%	Rank history: not on the FY2022 list, #77 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
65	Oquawka Boats & Fabrications Inc. Top agencies Army (Department of the Army)	$94,244	<0.1%	Rank history: #56 in FY2022, not on the FY2023 list, #75 in FY2024 and not on the FY2025 list; up 10 since FY2020.
66	PCX Inc. Top agencies DLA (Defense Logistics Agency)	$91,924	<0.1%	Rank history: not on the FY2022–FY2024 lists and #89 in FY2025; up 68 since FY2020.
67	Unimex Corporation Through Paragon Defense Solutions Inc. Top agencies DLA (Defense Logistics Agency)	$87,600	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
68	Kampi Components Co Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$83,687	<0.1%	Rank history: #26 in FY2022, #54 in FY2023, #50 in FY2024 and not on the FY2025 list; down 16 since FY2020.
69	J&H Marine Top agencies DOI (Department of the Interior)	$77,454	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
70	U.s.a. Spares Inc. Top agencies DLA (Defense Logistics Agency)	$77,100	<0.1%	Rank history: #79 in FY2022, not on the FY2023 list, #35 in FY2024 and #87 in FY2025; up 74 since FY2020.
71	Shapes Group Ltd Co. Top agencies DLA (Defense Logistics Agency)	$73,292	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
72	Lower River Ship Service, L.L.C. Top agencies DHS (Department of Homeland Security)	$71,770	<0.1%	Rank history: #93 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
73	Jamaica Bearings Co., Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$66,498	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 54 since FY2020.
74	Bg&S Peening and Consulting LLC Top agencies Navy (Department of the Navy)	$64,281	<0.1%	Rank history: not on the FY2022–FY2023 lists, #84 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
75	B & H International LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$60,621	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
76	NW Propeller Operations, Inc. Top agencies DHS (Department of Homeland Security)	$60,594	<0.1%	Rank history: #100 in FY2022, #14 in FY2023, #15 in FY2024 and not on the FY2025 list; down 55 since FY2020.
77	Honeywell International Inc. Top agencies DLA (Defense Logistics Agency)	$59,555	<0.1%	Rank history: not on the FY2022 list, #85 in FY2023 and not on the FY2024–FY2025 lists; down 8 since FY2020.
78	Aga Truck Parts, Inc. Top agencies DOS (Department of State)	$59,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
79	Thrustmaster of Texas, Inc. Top agencies Army (Department of the Army)	$55,242	<0.1%	Rank history: not on the FY2022 list, #18 in FY2023, #21 in FY2024 and #38 in FY2025; new, not ranked in FY2020.
80	Schottel Inc. Top agencies DHS (Department of Homeland Security)	$54,286	<0.1%	Rank history: not on the FY2022 list, #42 in FY2023, #56 in FY2024 and not on the FY2025 list; down 15 since FY2020.
81	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$51,646	<0.1%	Rank history: #96 in FY2022, not on the FY2023 list, #61 in FY2024 and #61 in FY2025; down 27 since FY2020.
82	Marine Evolutions, Inc. Top agencies DOJ (Department of Justice)	$51,457	<0.1%	Rank history: not on the FY2022 list, #76 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
83	Kahlenberg Industries, Inc. Top agencies Army (Department of the Army)	$46,123	<0.1%	Rank history: #77 in FY2022, #75 in FY2023, not on the FY2024 list and #58 in FY2025; down 30 since FY2020.
84	Ruotanen Associates Inc. Top agencies DLA (Defense Logistics Agency)	$45,536	<0.1%	Rank history: not on the FY2022 list, #74 in FY2023, not on the FY2024 list and #52 in FY2025; up 19 since FY2020.
85	Global Logistics Strategies Inc. Top agencies DLA (Defense Logistics Agency)	$41,779	<0.1%	Rank history: not on the FY2022 list, #50 in FY2023, #94 in FY2024 and not on the FY2025 list; up 69 since FY2020.
86	Stealth Supply, Inc. Top agencies DLA (Defense Logistics Agency)	$41,692	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 69 since FY2020.
87	Seahorse Defense Supply, LLC Top agencies Navy (Department of the Navy)	$39,596	<0.1%	Rank history: not on the FY2022–FY2023 lists, #72 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
88	GE Aviation Systems LLC Top agencies DLA (Defense Logistics Agency)	$37,231	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 47 since FY2020.
89	Canady Enterprises Inc. Top agencies Army (Department of the Army)	$35,911	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
90	Techni-Cast LLC Top agencies DHS (Department of Homeland Security)	$33,444	<0.1%	Rank history: #72 in FY2022, #56 in FY2023, not on the FY2024 list and #28 in FY2025; new, not ranked in FY2020.
91	Imeco Inc. Through Robichaux Automation and Control, Incorporated Top agencies Commerce (Department of Commerce)	$33,382	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
92	General Dynamics Corporation Through Electric Boat Corporation Top agencies DLA (Defense Logistics Agency)	$32,440	<0.1%	Rank history: #76 in FY2022, #71 in FY2023, not on the FY2024 list and #53 in FY2025; down 2 since FY2020.
93	Boatswain's Locker I, Incorporated Top agencies DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$32,307	<0.1%	Rank history: not on the FY2022 list, #89 in FY2023 and not on the FY2024–FY2025 lists; up 14 since FY2020.
94	K Machine & Tool Inc. Top agencies DHS (Department of Homeland Security)	$32,118	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 42 since FY2020.
95	Dreamfind, Inc. Top agencies DLA (Defense Logistics Agency)	$31,474	<0.1%	Rank history: not on the FY2022–FY2024 lists and #76 in FY2025; up 70 since FY2020.
96	Pier Side Supply Inc. Top agencies Navy (Department of the Navy)	$30,360	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
97	Canyon Marine Solutions LLC Top agencies DHS (Department of Homeland Security)	$27,990	<0.1%	Rank history: not on the FY2022 list, #62 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
98	Howe Machine & Tool Corp. Top agencies DLA (Defense Logistics Agency)	$27,320	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
99	Mcnational Inc. Through National Maintenance & Repair Inc. Top agencies Army (Department of the Army)	$26,344	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
100	GFS Supply & Services Company, Inc. Top agencies DHS (Department of Homeland Security)	$26,340	<0.1%	Rank history: not on the FY2022 list, #81 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.

Show 75 more

100 of 182 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 $1.39 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 2010 contractors in FY2021?

1. Government of the United States ($1.07B), 2. The Timken Company ($77.5M), 3. Rolls-Royce Military Aero Engines Ltd ($48.5M), 4. BAE Systems PLC ($41.6M), 5. BAE Systems Land & Armaments L.P. ($38.4M), 6. Bender Ccp, Inc. ($17.9M), 7. Wartsila Defense Inc. ($11.9M), 8. Ship Colonna'S Yard Incorporated ($11M), 9. General Electric Company ($9.52M), 10. The Boeing Company ($7.6M).

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