Top 100 Contractors in NAICS 334412: Bare Printed Circuit Board Manufacturing, FY2021

Name: Top 100 Contractors in NAICS 334412: Bare Printed Circuit Board Manufacturing, FY2021
Creator: GovTribe

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

The top 10 won 73% of FY2021 NAICS 334412 contract dollars

Contract obligations: $189,321,211 Net of deobligations, by contracts coded NAICS 334412
Contractors: 511 Parent companies with an obligation
Largest contractor: RTX Corporation $68.7 million, 28.1% 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	RTX Corporation 21 awardees, including Raytheon Company, Rockwell Collins, Inc. and Data Link Solutions LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) DLA (Defense Logistics Agency)	$68,671,800	28.1%	Rank history: #3 in FY2022, #2 in FY2023, #2 in FY2024 and #3 in FY2025; up 3 since FY2020.
2	Northrop Grumman Corporation 7 awardees, including Northrop Grumman Systems Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$43,933,961	18.0%	Rank history: #2 in FY2022, #4 in FY2023, #6 in FY2024 and #4 in FY2025; up 5 since FY2020.
3	Lockheed Martin Corporation 12 awardees Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) Army (Department of the Army)	$30,328,404	12.4%	Rank history: #4 in FY2022, #3 in FY2023, #4 in FY2024 and #5 in FY2025; down 1 since FY2020.
4	L3Harris Technologies, Inc. 21 awardees, including L3Harris Maritime Power & Energy Solutions, Inc. and L3 Technologies, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) Army (Department of the Army)	$14,450,410	5.9%	Rank history: #5 in FY2022, #5 in FY2023, #8 in FY2024 and #15 in FY2025; up 4 since FY2020.
5	BAE Systems PLC 9 awardees, including BAE Systems Land & Armaments L.P. and BAE Systems Information and Electronic Systems Integration Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$5,851,548	2.4%	Rank history: #10 in FY2022, #10 in FY2023, #3 in FY2024 and #10 in FY2025; up 4 since FY2020.
6	General Dynamics Corporation 7 awardees, including General Dynamics Mission Systems, Inc., General Dynamics Land Systems Inc. and General Dynamics-Ots, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) DLA (Defense Logistics Agency)	$4,425,890	1.8%	Rank history: #19 in FY2022, #8 in FY2023, #10 in FY2024 and #21 in FY2025; up 5 since FY2020.
7	Ruta Supplies Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$3,926,812	1.6%	Rank history: #13 in FY2022, #11 in FY2023, #13 in FY2024 and #66 in FY2025; up 5 since FY2020.
8	R. S. Means Company LLC 2 awardees, including Fluke Electronics Corp Top agencies Navy (Department of the Navy)	$2,158,298	0.9%	Rank history: #6 in FY2022 and not on the FY2023–FY2025 lists; up 5 since FY2020.
9	Keysight Technologies, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$2,108,364	0.9%	Rank history: #17 in FY2022, #13 in FY2023, #36 in FY2024 and not on the FY2025 list; up 20 since FY2020.
10	Jo-Kell Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,909,410	0.8%	Rank history: #24 in FY2022, #36 in FY2023, #18 in FY2024 and #38 in FY2025; up 26 since FY2020.
11	Raytheon Company 2 awardees Top agencies Navy (Department of the Navy)	$1,497,878	0.6%	Rank history: not on the FY2022–FY2025 lists; up 11 since FY2020.
12	Textron Inc. Through Textron Systems Corporation Top agencies Navy (Department of the Navy)	$1,268,248	0.5%	Rank history: #9 in FY2022, #20 in FY2023, #12 in FY2024 and #19 in FY2025; down 6 since FY2020.
13	Treadwell Corporation (Delaware) Top agencies Navy (Department of the Navy)	$1,245,745	0.5%	Rank history: not on the FY2022–FY2025 lists; up 5 since FY2020.
14	Curtiss-Wright Corporation 4 awardees, including Peerless Instrument Co., Inc., Exlar Corporation and Curtiss-Wright DS, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$999,518	0.4%	Rank history: #12 in FY2022, #31 in FY2023 and not on the FY2024–FY2025 lists; up 41 since FY2020.
15	Brandywine Communications Top agencies Navy (Department of the Navy)	$876,750	0.4%	Rank history: not on the FY2022–FY2023 lists, #29 in FY2024 and #35 in FY2025; new, not ranked in FY2020.
16	MSA Safety Sales LLC Through Parasense, Inc. Top agencies Navy (Department of the Navy)	$855,542	0.4%	Rank history: #18 in FY2022, #87 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
17	DRS Naval Power Systems Inc. Top agencies Navy (Department of the Navy)	$776,337	0.3%	Rank history: not on the FY2022–FY2025 lists; up 82 since FY2020.
18	The Boeing Company 3 awardees, including Argon ST, Inc. Top agencies Navy (Department of the Navy)	$769,584	0.3%	Rank history: #34 in FY2022, #29 in FY2023, #31 in FY2024 and not on the FY2025 list; up 9 since FY2020.
19	Appleton Marine Inc. Top agencies Navy (Department of the Navy)	$720,250	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
20	Data Link Solutions LLC Top agencies Navy (Department of the Navy)	$622,580	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
21	Ultra Electronics Forensic Technology Inc 2 awardees, including DNE Technologies, Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$612,571	0.3%	Rank history: #46 in FY2022, #74 in FY2023, #44 in FY2024 and not on the FY2025 list; up 41 since FY2020.
22	Noresco LLC 3 awardees, including Kidde Technologies, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$607,283	0.2%	Rank history: #87 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
23	Moog Inc. 2 awardees Top agencies Navy (Department of the Navy)	$605,420	0.2%	Rank history: not on the FY2022–FY2025 lists; up 17 since FY2020.
24	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$579,550	0.2%	Rank history: #20 in FY2022, #17 in FY2023, #21 in FY2024 and #54 in FY2025; up 8 since FY2020.
25	Cobham Advanced Electronic Solutions Inc. Through Mission Systems Davenport Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$571,490	0.2%	Rank history: #11 in FY2022, #16 in FY2023 and not on the FY2024–FY2025 lists; up 54 since FY2020.
26	S I T Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$562,302	0.2%	Rank history: #70 in FY2022, #78 in FY2023, not on the FY2024 list and #80 in FY2025; up 49 since FY2020.
27	Northrop Grumman Systems Corporation Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$508,851	0.2%	Rank history: not on the FY2022–FY2023 lists, #32 in FY2024 and not on the FY2025 list; up 109 since FY2020.
28	Hamilton Sundstrand Corporation Top agencies Navy (Department of the Navy)	$505,000	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
29	Par Defense Industries, LLC Top agencies DLA (Defense Logistics Agency)	$502,131	0.2%	Rank history: not on the FY2022–FY2024 lists and #51 in FY2025; up 324 since FY2020.
30	Chase Supply, Inc. Top agencies Navy (Department of the Navy)	$497,400	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
31	BAE Systems Land & Armaments L.P. 4 awardees, including BAE Systems Information and Electronic Systems Integration Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$494,770	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
32	Government Scientific Source Inc. Top agencies Navy (Department of the Navy)	$493,310	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
33	Thales 2 awardees, including Thales Defense & Security Inc. and Thales Avionics, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$474,452	0.2%	Rank history: #65 in FY2022, #34 in FY2023, #98 in FY2024 and not on the FY2025 list; up 25 since FY2020.
34	Rjwright & Associates LLC Top agencies DLA (Defense Logistics Agency)	$421,288	0.2%	Rank history: #61 in FY2022, #58 in FY2023, #72 in FY2024 and not on the FY2025 list; up 89 since FY2020.
35	General Dynamics Satcom Technologies Inc. 3 awardees, including CPI Electron Device Business, Inc. and Microwave Power Products, Inc. Top agencies Navy (Department of the Navy)	$419,265	0.2%	Rank history: not on the FY2022–FY2025 lists; down 25 since FY2020.
36	Oil States Industries Inc Top agencies Navy (Department of the Navy)	$404,613	0.2%	Rank history: not on the FY2022 list, #94 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
37	JA Moody LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$390,172	0.2%	Rank history: not on the FY2022–FY2023 lists, #93 in FY2024 and not on the FY2025 list; up 137 since FY2020.
38	Sierra Circuits, Inc. Top agencies Navy (Department of the Navy) NASA (National Aeronautics and Space Administration)	$369,358	0.2%	Rank history: not on the FY2022–FY2025 lists; up 134 since FY2020.
39	Woodward Governor Company 2 awardees, including Woodward, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$354,548	0.1%	Rank history: #31 in FY2022, #41 in FY2023, #45 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
40	Hensoldt Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$352,828	0.1%	Rank history: not on the FY2022 list, #69 in FY2023 and not on the FY2024–FY2025 lists; up 345 since FY2020.
41	Hawkeye Innovation LLC Top agencies DLA (Defense Logistics Agency)	$352,211	0.1%	Rank history: not on the FY2022 list, #52 in FY2023, #63 in FY2024 and #96 in FY2025; up 232 since FY2020.
42	Dover Corporation Through Dover Pumps & Process Solutions Segment Inc. Top agencies Navy (Department of the Navy)	$342,635	0.1%	Rank history: #39 in FY2022 and not on the FY2023–FY2025 lists; up 65 since FY2020.
43	International Television Corporation Top agencies DLA (Defense Logistics Agency)	$341,194	0.1%	Rank history: #42 in FY2022 and not on the FY2023–FY2025 lists; down 1 since FY2020.
44	Confederated Salish and Kootenai Tribes Through S & K Logistics Services LLC Top agencies DLA (Defense Logistics Agency)	$341,078	0.1%	Rank history: not on the FY2022–FY2025 lists; up 53 since FY2020.
45	Southwest Research Institute Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$340,361	0.1%	Rank history: #45 in FY2022, #72 in FY2023, #17 in FY2024 and not on the FY2025 list; up 22 since FY2020.
46	Triman Industries Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$335,641	0.1%	Rank history: #27 in FY2022, #14 in FY2023, #26 in FY2024 and #20 in FY2025; up 81 since FY2020.
47	Mohr Linda J Top agencies Navy (Department of the Navy)	$333,378	0.1%	Rank history: not on the FY2022–FY2025 lists; up 232 since FY2020.
48	Johnson Controls Security Solutions LLC Through Johnson Controls Navy Systems, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$315,828	0.1%	Rank history: not on the FY2022 list, #50 in FY2023, #66 in FY2024 and not on the FY2025 list; up 228 since FY2020.
49	Mac Aerospace Corp Top agencies Navy (Department of the Navy)	$309,735	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
50	Elbit Systems Ltd 2 awardees, including Elbitamerica, Inc. and Sparton Aydin, LLC Top agencies Navy (Department of the Navy)	$306,365	0.1%	Rank history: #37 in FY2022, #32 in FY2023, #34 in FY2024 and not on the FY2025 list; up 84 since FY2020.
51	Rex Systems Incorporated Top agencies Navy (Department of the Navy)	$302,987	0.1%	Rank history: #82 in FY2022, not on the FY2023 list, #100 in FY2024 and #93 in FY2025; down 13 since FY2020.
52	The Entwistle Trust Through The Entwistle Company LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$300,156	0.1%	Rank history: not on the FY2022–FY2025 lists; up 201 since FY2020.
53	Advantest Corporation 2 awardees, including Astronics Test Systems Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$294,645	0.1%	Rank history: not on the FY2022 list, #25 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
54	Safran Power USA LLC Top agencies Navy (Department of the Navy)	$292,232	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
55	General Electric Company 6 awardees, including Abaco Systems, Inc., GE Aviation Systems LLC and GE Energy Power Conversion USA Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$271,604	0.1%	Rank history: not on the FY2022–FY2024 lists and #7 in FY2025; down 16 since FY2020.
56	Jgils, LLC Top agencies DLA (Defense Logistics Agency)	$270,077	0.1%	Rank history: not on the FY2022–FY2025 lists; up 7 since FY2020.
57	Saab AB Through Saab, Inc. Top agencies Navy (Department of the Navy)	$260,126	0.1%	Rank history: #38 in FY2022, #38 in FY2023 and not on the FY2024–FY2025 lists; up 48 since FY2020.
58	Coastal Design, LLC Top agencies DLA (Defense Logistics Agency)	$258,600	0.1%	Rank history: #67 in FY2022, #75 in FY2023, #58 in FY2024 and #82 in FY2025; up 25 since FY2020.
59	Advanced Thermal Solutions Inc. Top agencies Navy (Department of the Navy)	$251,786	0.1%	Rank history: #49 in FY2022 and not on the FY2023–FY2025 lists; down 6 since FY2020.
60	Advanced Conversion Technology Inc. Top agencies Army (Department of the Army)	$250,900	0.1%	Rank history: not on the FY2022–FY2025 lists; down 6 since FY2020.
61	IRF - Intelligent RF Solutions, LLC Top agencies Navy (Department of the Navy)	$249,995	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
62	Martin-Baker (ENGINEERING) Ltd Through Martin-Baker America Inc. Top agencies Navy (Department of the Navy)	$248,478	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
63	North Atlantic Industries, Inc. 2 awardees Top agencies Navy (Department of the Navy)	$248,440	0.1%	Rank history: not on the FY2022–FY2023 lists, #11 in FY2024 and not on the FY2025 list; up 373 since FY2020.
64	Direct Line, Inc. Top agencies DLA (Defense Logistics Agency)	$239,533	0.1%	Rank history: #58 in FY2022 and not on the FY2023–FY2025 lists; down 4 since FY2020.
65	Cobham Advanced Electron Through Mission Systems Davenport Inc. Top agencies Navy (Department of the Navy)	$234,452	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
66	Cornet Technology, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$225,223	0.1%	Rank history: #56 in FY2022, #15 in FY2023, #40 in FY2024 and #95 in FY2025; down 19 since FY2020.
67	Argo Turboserve Corporation Top agencies DLA (Defense Logistics Agency)	$224,385	0.1%	Rank history: not on the FY2022–FY2025 lists; up 342 since FY2020.
68	Sargent Aerospace & Defense, LLC Top agencies Navy (Department of the Navy)	$223,876	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
69	Tevet LLC Top agencies Navy (Department of the Navy)	$208,632	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
70	Dcx-Chol Enterprises, Inc. Top agencies DLA (Defense Logistics Agency)	$205,000	0.1%	Rank history: #84 in FY2022, #100 in FY2023 and not on the FY2024–FY2025 lists; up 25 since FY2020.
71	Amphenol Corporation Through Amphenol Borisch Technologies, Inc. Top agencies DLA (Defense Logistics Agency)	$201,973	0.1%	Rank history: not on the FY2022–FY2025 lists; down 27 since FY2020.
72	John Bean Technologies Corporation Through Oshkosh Aerotech, LLC Top agencies DLA (Defense Logistics Agency)	$198,814	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
73	In Speck Corp Top agencies Navy (Department of the Navy)	$194,691	0.1%	Rank history: not on the FY2022–FY2025 lists; up 253 since FY2020.
74	Marine Electric Systems Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$191,641	0.1%	Rank history: not on the FY2022–FY2025 lists; down 9 since FY2020.
75	GMS International Corporation Top agencies DLA (Defense Logistics Agency)	$186,593	0.1%	Rank history: not on the FY2022–FY2023 lists, #43 in FY2024 and #98 in FY2025; new, not ranked in FY2020.
76	Dynalec Corporation Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$185,838	0.1%	Rank history: #47 in FY2022, not on the FY2023–FY2024 lists and #72 in FY2025; unchanged since FY2020.
77	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$184,509	0.1%	Rank history: #44 in FY2022, #57 in FY2023, #28 in FY2024 and #34 in FY2025; up 56 since FY2020.
78	Jamaica Bearings Co., Inc. Top agencies DLA (Defense Logistics Agency)	$180,330	0.1%	Rank history: #62 in FY2022, not on the FY2023 list, #24 in FY2024 and not on the FY2025 list; up 95 since FY2020.
79	Disan Engineering Corp Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$175,360	0.1%	Rank history: #50 in FY2022, #84 in FY2023, #42 in FY2024 and #90 in FY2025; up 39 since FY2020.
80	Honeywell International Inc. 5 awardees, including Grimes Aerospace Company Top agencies Army (Department of the Army)	$171,463	0.1%	Rank history: #68 in FY2022 and not on the FY2023–FY2025 lists; down 63 since FY2020.
81	Pulsetech Products Corporation Top agencies DLA (Defense Logistics Agency)	$161,959	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
82	General Dynamics Mission Systems, Inc. Top agencies Navy (Department of the Navy)	$160,580	0.1%	Rank history: #23 in FY2022, not on the FY2023 list, #9 in FY2024 and not on the FY2025 list; up 14 since FY2020.
83	South-TEK Systems LLC Through Aviation, Power & Marine, LLC Top agencies Navy (Department of the Navy)	$156,000	0.1%	Rank history: not on the FY2022–FY2025 lists; up 293 since FY2020.
84	Flagship Marine, Inc. Top agencies Navy (Department of the Navy)	$155,330	0.1%	Rank history: not on the FY2022–FY2025 lists; up 25 since FY2020.
85	SAFRAN 3 awardees, including Avox Systems Inc., Woodward Canada, Inc. and Safran Power USA LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$152,445	0.1%	Rank history: not on the FY2022–FY2025 lists; up 26 since FY2020.
86	ECI Defense Group, Inc. Top agencies DLA (Defense Logistics Agency)	$151,372	0.1%	Rank history: #25 in FY2022, #42 in FY2023, #48 in FY2024 and #22 in FY2025; down 35 since FY2020.
87	Fairbanks Morse, LLC Top agencies Navy (Department of the Navy)	$150,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
88	Rev-Cap Company, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$149,669	0.1%	Rank history: not on the FY2022–FY2024 lists and #76 in FY2025; up 32 since FY2020.
89	Fathom Logistics Top agencies DLA (Defense Logistics Agency)	$148,571	0.1%	Rank history: not on the FY2022–FY2025 lists; up 23 since FY2020.
90	Oshkosh Corp Through Oshkosh Defense LLC Top agencies DLA (Defense Logistics Agency)	$147,107	0.1%	Rank history: #79 in FY2022, #90 in FY2023 and not on the FY2024–FY2025 lists; up 13 since FY2020.
91	Aantilia LLC Top agencies Navy (Department of the Navy)	$138,736	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
92	Hy-Tek Manufacturing Co., Inc. Top agencies Navy (Department of the Navy)	$138,281	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
93	ST Aerospace Systems PTE Ltd Through ST Engineering Aerospace Systems Pte. Ltd. Top agencies Navy (Department of the Navy)	$138,075	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
94	Sparton Aydin LLC Top agencies Navy (Department of the Navy)	$137,100	0.1%	Rank history: not on the FY2022 list, #59 in FY2023 and not on the FY2024–FY2025 lists; down 23 since FY2020.
95	Electrocomponents P L C Through RS Americas Inc. Top agencies DOT (Department of Transportation)	$136,860	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
96	Smiths Group PLC Through Smiths Detection Inc. Top agencies DLA (Defense Logistics Agency)	$136,517	0.1%	Rank history: not on the FY2022–FY2023 lists, #94 in FY2024 and not on the FY2025 list; up 104 since FY2020.
97	Flotron Top agencies DLA (Defense Logistics Agency)	$135,879	0.1%	Rank history: not on the FY2022–FY2025 lists; up 87 since FY2020.
98	Emerson Electric Co Through Emerson Automation Solutions Final Control US LP Top agencies Navy (Department of the Navy)	$134,940	0.1%	Rank history: #55 in FY2022, not on the FY2023 list, #52 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
99	Adirondack Electronics Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$134,283	0.1%	Rank history: #92 in FY2022, #77 in FY2023, #82 in FY2024 and not on the FY2025 list; down 33 since FY2020.
100	Advanced Turbine Services, L.L.C. Top agencies Navy (Department of the Navy)	$127,960	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.

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100 of 511 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 $244 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 334412 contractors in FY2021?

1. RTX Corporation ($68.7M), 2. Northrop Grumman Corporation ($43.9M), 3. Lockheed Martin Corporation ($30.3M), 4. L3Harris Technologies, Inc. ($14.5M), 5. BAE Systems PLC ($5.85M), 6. General Dynamics Corporation ($4.43M), 7. Ruta Supplies Inc. ($3.93M), 8. R. S. Means Company LLC ($2.16M), 9. Keysight Technologies, Inc. ($2.11M), 10. Jo-Kell Inc. ($1.91M).

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