Top 100 Contractors in NAICS 334413: Semiconductor and Related Device Manufacturing, FY2021

Name: Top 100 Contractors in NAICS 334413: Semiconductor and Related Device Manufacturing, FY2021
Creator: GovTribe

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

The top 10 won 93% of FY2021 NAICS 334413 contract dollars

Contract obligations: $571,603,172 Net of deobligations, by contracts coded NAICS 334413
Contractors: 557 Parent companies with an obligation
Largest contractor: BAE Systems Land & Armaments L.P. $326 million, 55.8% 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	BAE Systems Land & Armaments L.P. 3 awardees, including BAE Systems Information and Electronic Systems Integration Inc. and BAE Systems Controls Inc. Top agencies DLA (Defense Logistics Agency)	$325,561,490	55.8%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
2	Globalfoundries U.S. 2 LLC 2 awardees Top agencies DMEA (Defense Microelectronics Activity) OSD (Office of the Secretary of Defense)	$100,578,448	17.2%	Rank history: #1 in FY2022, #1 in FY2023, #2 in FY2024 and not on the FY2025 list; down 1 since FY2020.
3	Marvell Government Solutions LLC Top agencies USAF (Department of the Air Force) DMEA (Defense Microelectronics Activity)	$89,763,125	15.4%	Rank history: #2 in FY2022, #2 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2020.
4	Blackwatch International Corporation Top agencies DMEA (Defense Microelectronics Activity)	$6,892,336	1.2%	Rank history: #3 in FY2022, #5 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
5	Lockheed Martin Corporation 4 awardees, including Derco Aerospace, Inc. and Sikorsky Aircraft Corporation Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$6,168,010	1.1%	Rank history: #28 in FY2022, #19 in FY2023, not on the FY2024 list and #80 in FY2025; up 51 since FY2020.
6	Flip Electronics LLC Top agencies Navy (Department of the Navy)	$4,919,235	0.8%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
7	Griffon Corporation Through Telephonics Corp Top agencies Navy (Department of the Navy)	$2,229,500	0.4%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
8	Photronics Inc. 2 awardees, including Photronics Idaho, Inc. Top agencies DMEA (Defense Microelectronics Activity) NASA (National Aeronautics and Space Administration)	$2,008,105	0.3%	Rank history: not on the FY2022–FY2025 lists; up 4 since FY2020.
9	Government of the United States Through Federal Prison Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$1,367,429	0.2%	Rank history: #27 in FY2022, #21 in FY2023 and not on the FY2024–FY2025 lists; down 2 since FY2020.
10	Transdigm Group Incorporated 7 awardees, including Aerosonic LLC, Data Device Corp and Tactair Fluid Controls Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,240,674	0.2%	Rank history: #47 in FY2022, #42 in FY2023 and not on the FY2024–FY2025 lists; up 89 since FY2020.
11	Steriliz, LLC Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force)	$1,160,521	0.2%	Rank history: #25 in FY2022, #36 in FY2023, #60 in FY2024 and #54 in FY2025; up 3 since FY2020.
12	Basler Electric Company, LLC Top agencies Navy (Department of the Navy)	$1,156,306	0.2%	Rank history: not on the FY2022 list, #56 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
13	Nlight Inc. Top agencies NASA (National Aeronautics and Space Administration)	$1,026,140	0.2%	Rank history: #56 in FY2022 and not on the FY2023–FY2025 lists; up 58 since FY2020.
14	Lintech Components Co. Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$947,223	0.2%	Rank history: #42 in FY2022, #26 in FY2023, #13 in FY2024 and #4 in FY2025; up 1 since FY2020.
15	ADI American Distributors, LLC 2 awardees, including Newvac, LLC and Microwave Components LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$919,821	0.2%	Rank history: not on the FY2022–FY2025 lists; up 350 since FY2020.
16	General Dynamics Satcom Technologies Inc. Through CPI Satcom & Antenna Technologies Inc. Top agencies Navy (Department of the Navy)	$876,387	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
17	Jo-Kell Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$658,999	0.1%	Rank history: #32 in FY2022, #14 in FY2023, #4 in FY2024 and #17 in FY2025; up 1 since FY2020.
18	Microchip Technology Inc. 3 awardees, including Microsemi Frequency and Time Corp and Microsemi SOC Corp. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) NASA (National Aeronautics and Space Administration)	$609,155	0.1%	Rank history: #86 in FY2022, #4 in FY2023, #43 in FY2024 and not on the FY2025 list; up 139 since FY2020.
19	ECI Defense Group, Inc. Top agencies DLA (Defense Logistics Agency)	$591,047	0.1%	Rank history: #19 in FY2022, #31 in FY2023, #59 in FY2024 and #40 in FY2025; up 28 since FY2020.
20	Wamco, Inc. Top agencies DLA (Defense Logistics Agency)	$509,625	0.1%	Rank history: #20 in FY2022, #28 in FY2023, #19 in FY2024 and #57 in FY2025; up 66 since FY2020.
21	AB SKF Through SKF USA Inc. Top agencies Navy (Department of the Navy)	$499,679	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
22	AJA International, Inc. Top agencies Navy (Department of the Navy)	$499,179	0.1%	Rank history: not on the FY2022 list, #46 in FY2023 and not on the FY2024–FY2025 lists; up 191 since FY2020.
23	Mil-Aero Solutions Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$495,086	0.1%	Rank history: #12 in FY2022, #9 in FY2023, #12 in FY2024 and #9 in FY2025; up 16 since FY2020.
24	Washington Foundries Inc. Top agencies DLA (Defense Logistics Agency)	$484,231	0.1%	Rank history: #7 in FY2022, #37 in FY2023, #44 in FY2024 and #32 in FY2025; up 43 since FY2020.
25	Semitronics Corp Top agencies DLA (Defense Logistics Agency)	$470,427	0.1%	Rank history: #9 in FY2022, #30 in FY2023, #32 in FY2024 and not on the FY2025 list; up 53 since FY2020.
26	Wavefront Vision Inc. Top agencies Army (Department of the Army)	$460,805	0.1%	Rank history: not on the FY2022–FY2025 lists; up 4 since FY2020.
27	Crane Co 4 awardees, including Hydro-Aire Aerospace Corp, Eldec Aerospace Corp and Merrimac Industries, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$455,322	0.1%	Rank history: #34 in FY2022 and not on the FY2023–FY2025 lists; up 89 since FY2020.
28	Ontic Engineering & Manufacturing, Inc. Through Centroid, Inc. Top agencies DLA (Defense Logistics Agency)	$444,674	0.1%	Rank history: #30 in FY2022, #23 in FY2023, #22 in FY2024 and #72 in FY2025; new, not ranked in FY2020.
29	Triman Industries Inc. Top agencies DLA (Defense Logistics Agency)	$414,898	0.1%	Rank history: #22 in FY2022, #20 in FY2023, #18 in FY2024 and #19 in FY2025; up 13 since FY2020.
30	Aarcorp Through AAR Supply Chain, Inc. Top agencies DLA (Defense Logistics Agency)	$397,228	0.1%	Rank history: #82 in FY2022, #55 in FY2023 and not on the FY2024–FY2025 lists; up 8 since FY2020.
31	Heico Aerospace Corporat 4 awardees, including Seal Dynamics LLC, Aerospace & Commercial Technologies, LLC and 3D Plus U.s.a., Inc. Top agencies DLA (Defense Logistics Agency) Smithsonian (Smithsonian Institution)	$367,038	0.1%	Rank history: #17 in FY2022, #15 in FY2023, #69 in FY2024 and #45 in FY2025; up 3 since FY2020.
32	Arrow Electronics, Inc. 3 awardees, including A.E. Petsche Company, Inc. Top agencies DLA (Defense Logistics Agency)	$365,849	0.1%	Rank history: not on the FY2022–FY2025 lists; up 8 since FY2020.
33	TECH Data Corporation Through Avnet Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) NASA (National Aeronautics and Space Administration)	$337,043	0.1%	Rank history: not on the FY2022 list, #86 in FY2023 and not on the FY2024–FY2025 lists; up 71 since FY2020.
34	Electrical Products Sales Corp. Top agencies DLA (Defense Logistics Agency)	$334,069	0.1%	Rank history: #26 in FY2022, #12 in FY2023, #23 in FY2024 and #25 in FY2025; up 9 since FY2020.
35	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency)	$331,162	0.1%	Rank history: #40 in FY2022, #66 in FY2023, #64 in FY2024 and #29 in FY2025; up 24 since FY2020.
36	Resion LLC Top agencies DLA (Defense Logistics Agency)	$331,155	0.1%	Rank history: #59 in FY2022, #24 in FY2023, #15 in FY2024 and #18 in FY2025; down 13 since FY2020.
37	Radiation Detection Technologies, Inc. Top agencies DTRA (Defense Threat Reduction Agency)	$328,069	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
38	Solitron Devices, Inc. Top agencies DLA (Defense Logistics Agency)	$326,789	0.1%	Rank history: #44 in FY2022, #63 in FY2023, #55 in FY2024 and #68 in FY2025; up 14 since FY2020.
39	Toptica Photonics AG Top agencies USAF (Department of the Air Force)	$319,645	0.1%	Rank history: #39 in FY2022, #32 in FY2023 and not on the FY2024–FY2025 lists; up 7 since FY2020.
40	Avnet Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$292,961	0.1%	Rank history: #15 in FY2022, #10 in FY2023, #14 in FY2024 and #16 in FY2025; down 20 since FY2020.
41	Falcon Electronics, LLC Top agencies DLA (Defense Logistics Agency)	$291,738	<0.1%	Rank history: #49 in FY2022, #91 in FY2023, #26 in FY2024 and #37 in FY2025; down 10 since FY2020.
42	Semiconductor Logistics Corp Top agencies DLA (Defense Logistics Agency)	$288,913	<0.1%	Rank history: #63 in FY2022, #43 in FY2023, #16 in FY2024 and #27 in FY2025; up 20 since FY2020.
43	The Boston Consulting Group Inc Top agencies OSD (Office of the Secretary of Defense)	$286,397	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 18 since FY2020.
44	Ametek Inc. Through Intellipower, Inc. Top agencies Navy (Department of the Navy)	$282,810	<0.1%	Rank history: #64 in FY2022, #95 in FY2023 and not on the FY2024–FY2025 lists; up 155 since FY2020.
45	Excelitas Technologies Corp. Top agencies Navy (Department of the Navy)	$280,570	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
46	Northrop Grumman Corporation 5 awardees, including Northrop Grumman Systems Corporation and Cutting Edge Optronics Inc. Top agencies Commerce (Department of Commerce) NASA (National Aeronautics and Space Administration) Navy (Department of the Navy)	$260,241	<0.1%	Rank history: not on the FY2022 list, #70 in FY2023, #48 in FY2024 and not on the FY2025 list; up 52 since FY2020.
47	General Dynamics Corporation 3 awardees, including General Dynamics Information Technology, Inc. and Electric Boat Corporation Top agencies Navy (Department of the Navy)	$248,314	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
48	Ball Corp Through BAE Systems Space & Mission Systems Inc. Top agencies Army (Department of the Army)	$247,322	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
49	Pyramid Semiconductor Corp. Top agencies DLA (Defense Logistics Agency)	$246,780	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 24 since FY2020.
50	NKT Holding A/S Through NKT Photonics Inc. Top agencies Army (Department of the Army)	$221,023	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
51	Airtronics, LLC Top agencies DLA (Defense Logistics Agency)	$213,011	<0.1%	Rank history: #90 in FY2022 and not on the FY2023–FY2025 lists; up 62 since FY2020.
52	Johnson Controls Security Solutions LLC Through Johnson Controls Navy Systems, LLC Top agencies DLA (Defense Logistics Agency)	$212,741	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 30 since FY2020.
53	FDH Defense Aftermarket, LLC Top agencies DLA (Defense Logistics Agency)	$212,161	<0.1%	Rank history: #35 in FY2022 and not on the FY2023–FY2025 lists; up 353 since FY2020.
54	Bacharach, Inc. Through Parasense, Inc. Top agencies Navy (Department of the Navy)	$205,898	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 49 since FY2020.
55	Jobe & Company, LLC Top agencies DLA (Defense Logistics Agency)	$205,463	<0.1%	Rank history: #52 in FY2022, #62 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
56	Peerless Electronics Inc. Top agencies DLA (Defense Logistics Agency)	$204,630	<0.1%	Rank history: #46 in FY2022, #40 in FY2023, #50 in FY2024 and #31 in FY2025; up 27 since FY2020.
57	Forward Components Inc. Top agencies DLA (Defense Logistics Agency)	$204,165	<0.1%	Rank history: #33 in FY2022, #72 in FY2023, #61 in FY2024 and not on the FY2025 list; down 29 since FY2020.
58	Pacific IC Source Top agencies Navy (Department of the Navy)	$203,711	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
59	Mhd-Rockland Inc. Top agencies DLA (Defense Logistics Agency)	$190,418	<0.1%	Rank history: #55 in FY2022, #65 in FY2023, #30 in FY2024 and #8 in FY2025; new, not ranked in FY2020.
60	GSN Consulting LLC Top agencies DLA (Defense Logistics Agency)	$189,021	<0.1%	Rank history: #93 in FY2022 and not on the FY2023–FY2025 lists; up 124 since FY2020.
61	Thermo Electron Corporation Through FEI Company Top agencies Navy (Department of the Navy)	$188,591	<0.1%	Rank history: #69 in FY2022 and not on the FY2023–FY2025 lists; up 15 since FY2020.
62	Concord Components Inc. Top agencies DLA (Defense Logistics Agency)	$185,059	<0.1%	Rank history: not on the FY2022 list, #39 in FY2023, #98 in FY2024 and #96 in FY2025; new, not ranked in FY2020.
63	Casco Manufacturing Solutions, Inc. Top agencies Navy (Department of the Navy)	$183,862	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
64	Protochips, Inc. Top agencies Army (Department of the Army)	$183,095	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
65	Detroit Switch Inc. Top agencies DLA (Defense Logistics Agency)	$180,196	<0.1%	Rank history: #65 in FY2022, #53 in FY2023, #83 in FY2024 and #63 in FY2025; up 27 since FY2020.
66	Sintela Inc. Top agencies Army (Department of the Army)	$160,000	<0.1%	Rank history: #54 in FY2022, #78 in FY2023, #52 in FY2024 and not on the FY2025 list; down 31 since FY2020.
67	Lynn Electronics LLC Top agencies DLA (Defense Logistics Agency)	$159,903	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 126 since FY2020.
68	Bogue Systems Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$153,947	<0.1%	Rank history: #4 in FY2022, #6 in FY2023, #9 in FY2024 and #5 in FY2025; down 57 since FY2020.
69	Allied Defense Industries Inc. 2 awardees, including Aero International, LLC Top agencies DLA (Defense Logistics Agency)	$153,399	<0.1%	Rank history: #5 in FY2022, #13 in FY2023 and not on the FY2024–FY2025 lists; down 20 since FY2020.
70	RTX Corporation 13 awardees, including Raytheon Company, Simmonds Precision Products Inc. and Sensors Unlimited Inc. Top agencies Navy (Department of the Navy)	$151,430	<0.1%	Rank history: #8 in FY2022 and not on the FY2023–FY2025 lists; down 49 since FY2020.
71	Energy Plus Ltd. Top agencies USAF (Department of the Air Force)	$150,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
72	S I T Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$148,186	<0.1%	Rank history: not on the FY2022 list, #88 in FY2023, #36 in FY2024 and #56 in FY2025; up 34 since FY2020.
73	Xeresearch Corporation Top agencies USAF (Department of the Air Force)	$147,328	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
74	VSE Corporation 2 awardees, including Wheeler Fleet Solutions, Co. Top agencies DLA (Defense Logistics Agency)	$146,100	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 162 since FY2020.
75	Argo Turboserve Corporation Top agencies DLA (Defense Logistics Agency)	$141,459	<0.1%	Rank history: not on the FY2022–FY2023 lists, #73 in FY2024 and not on the FY2025 list; down 25 since FY2020.
76	Empire Avionics Corp. Top agencies DLA (Defense Logistics Agency)	$139,053	<0.1%	Rank history: not on the FY2022 list, #74 in FY2023, #81 in FY2024 and not on the FY2025 list; up 17 since FY2020.
77	Leonardo S.p.A. 4 awardees, including DRS Naval Power Systems Inc., Engineered Coil Company and Pivotal Power Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$135,168	<0.1%	Rank history: not on the FY2022 list, #11 in FY2023, #62 in FY2024 and not on the FY2025 list; down 58 since FY2020.
78	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency)	$134,347	<0.1%	Rank history: not on the FY2022–FY2024 lists and #78 in FY2025; down 42 since FY2020.
79	Patriot Military Supply LLC Top agencies DMEA (Defense Microelectronics Activity)	$134,314	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
80	Martin Military Inc. Top agencies DLA (Defense Logistics Agency)	$131,789	<0.1%	Rank history: not on the FY2022 list, #41 in FY2023, #80 in FY2024 and not on the FY2025 list; up 22 since FY2020.
81	Govage, Inc. Top agencies Army (Department of the Army)	$131,285	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
82	Ligentec SA Top agencies Army (Department of the Army)	$130,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
83	Transient Signal Technologies Inc. Top agencies Army (Department of the Army)	$129,804	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
84	Trandes Corp Top agencies DLA (Defense Logistics Agency)	$128,631	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 154 since FY2020.
85	Southwest Sciences Inc. Top agencies EPA (Environmental Protection Agency)	$123,500	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
86	Janels Industries Inc. Top agencies DLA (Defense Logistics Agency)	$123,359	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 5 since FY2020.
87	Lake Shore Cryotronics, Inc. Top agencies Navy (Department of the Navy) Smithsonian (Smithsonian Institution)	$117,175	<0.1%	Rank history: not on the FY2022 list, #59 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
88	Coherent Inc. 2 awardees Top agencies Navy (Department of the Navy) HHS (Department of Health and Human Services) Army (Department of the Army)	$115,177	<0.1%	Rank history: not on the FY2022–FY2024 lists and #60 in FY2025; down 35 since FY2020.
89	Nu Source Technologies LLC Top agencies Navy (Department of the Navy)	$114,912	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
90	Aris Renewable Energy, LLC Through Aris Energy Solutions LLC Top agencies DOE (Department of Energy)	$114,108	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
91	Rochester Electronics LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$111,963	<0.1%	Rank history: #74 in FY2022, #51 in FY2023, #58 in FY2024 and #46 in FY2025; down 30 since FY2020.
92	Gentex Corporation Top agencies USAF (Department of the Air Force)	$110,100	<0.1%	Rank history: #10 in FY2022, #3 in FY2023, #20 in FY2024 and #12 in FY2025; down 66 since FY2020.
93	Adirondack Electronics Inc. Top agencies Navy (Department of the Navy)	$108,662	<0.1%	Rank history: #67 in FY2022 and not on the FY2023–FY2025 lists; up 125 since FY2020.
94	Now Electronics, Inc. Top agencies DLA (Defense Logistics Agency)	$103,723	<0.1%	Rank history: #57 in FY2022, #33 in FY2023, #41 in FY2024 and #14 in FY2025; new, not ranked in FY2020.
95	Mark Electronics Inc. Top agencies DLA (Defense Logistics Agency)	$102,407	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 42 since FY2020.
96	Firefly Photonics LLC Top agencies EPA (Environmental Protection Agency)	$100,000	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
97	Stratus Systems, Inc. Top agencies DLA (Defense Logistics Agency)	$99,878	<0.1%	Rank history: #53 in FY2022, #49 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
98	Pd&E Electronics, LLC Top agencies DLA (Defense Logistics Agency)	$95,613	<0.1%	Rank history: not on the FY2022–FY2024 lists and #52 in FY2025; up 10 since FY2020.
99	Marine Air Supply Co., Inc. Top agencies DLA (Defense Logistics Agency)	$94,526	<0.1%	Rank history: #83 in FY2022, not on the FY2023–FY2024 lists and #21 in FY2025; up 71 since FY2020.
100	Micron Semiconductor Limited Top agencies NASA (National Aeronautics and Space Administration)	$93,000	<0.1%	Rank history: #84 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.

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100 of 557 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 $584 million 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 NAICS 334413 contractors in FY2021?

1. BAE Systems Land & Armaments L.P. ($326M), 2. Globalfoundries U.S. 2 LLC ($101M), 3. Marvell Government Solutions LLC ($89.8M), 4. Blackwatch International Corporation ($6.89M), 5. Lockheed Martin Corporation ($6.17M), 6. Flip Electronics LLC ($4.92M), 7. Griffon Corporation ($2.23M), 8. Photronics Inc. ($2.01M), 9. Government of the United States ($1.37M), 10. Transdigm Group Incorporated ($1.24M).

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