Top 100 Contractors in NAICS 335999: All Other Miscellaneous Electrical Equipment and Component Manufacturing, FY2021

Name: Top 100 Contractors in NAICS 335999: All Other Miscellaneous Electrical Equipment and Component Manufacturing, FY2021
Creator: GovTribe

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

The top 10 won 59% of FY2021 NAICS 335999 contract dollars

Contract obligations: $468,961,706 Net of deobligations, by contracts coded NAICS 335999
Contractors: 1,326 Parent companies with an obligation
Largest contractor: Science Applications International Corporation $73.6 million, 15.2% 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	Science Applications International Corporation 2 awardees, including Asrc Federal Facilities Logistics, LLC Top agencies Navy (Department of the Navy) DISA (Defense Information Systems Agency) USAF (Department of the Air Force)	$73,627,976	15.2%	Rank history: #1 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; unchanged since FY2020.
2	Saab AB 2 awardees, including Saab, Inc. Top agencies Navy (Department of the Navy)	$54,946,447	11.3%	Rank history: #2 in FY2022, #4 in FY2023 and not on the FY2024–FY2025 lists; up 50 since FY2020.
3	Diversified Technologies, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$38,102,391	7.8%	Rank history: #23 in FY2022, not on the FY2023 list, #4 in FY2024 and not on the FY2025 list; unchanged since FY2020.
4	Lockheed Martin Corporation 4 awardees Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$26,856,826	5.5%	Rank history: #3 in FY2022, not on the FY2023–FY2024 lists and #6 in FY2025; down 2 since FY2020.
5	Noble Supply & Logistics, LLC Top agencies DLA (Defense Logistics Agency) DOS (Department of State)	$21,804,856	4.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
6	Eaton Corporation 4 awardees Top agencies DOT (Department of Transportation) USAF (Department of the Air Force) DISA (Defense Information Systems Agency)	$18,988,255	3.9%	Rank history: #6 in FY2022, #5 in FY2023, #7 in FY2024 and #7 in FY2025; down 1 since FY2020.
7	Thales 2 awardees, including Thales Defense & Security Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$16,891,818	3.5%	Rank history: #27 in FY2022 and not on the FY2023–FY2025 lists; up 2 since FY2020.
8	Switching Power Inc. Top agencies USAF (Department of the Air Force) DOT (Department of Transportation)	$13,951,997	2.9%	Rank history: #8 in FY2022, #6 in FY2023 and not on the FY2024–FY2025 lists; up 3 since FY2020.
9	American Superconductor Corp Top agencies Navy (Department of the Navy)	$11,078,735	2.3%	Rank history: not on the FY2022 list, #22 in FY2023, #72 in FY2024 and #50 in FY2025; up 4 since FY2020.
10	RTX Corporation 10 awardees, including Raytheon Company, Simmonds Precision Products Inc. and Rockwell Collins, Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$7,954,130	1.6%	Rank history: #7 in FY2022, #3 in FY2023, #6 in FY2024 and #4 in FY2025; up 43 since FY2020.
11	Stellant Systems Inc. Top agencies Navy (Department of the Navy)	$7,860,000	1.6%	Rank history: not on the FY2022–FY2024 lists and #19 in FY2025; new, not ranked in FY2020.
12	Leonardo S.p.A. 7 awardees, including DRS Naval Power Systems Inc., DRS Training & Control Systems, LLC and Pivotal Power Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$7,584,946	1.6%	Rank history: #59 in FY2022, #14 in FY2023, #19 in FY2024 and #11 in FY2025; down 8 since FY2020.
13	General Dynamics Corporation 6 awardees, including General Dynamics Mission Systems, Inc., Electric Boat Corporation and General Dynamics Information Technology, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$5,593,466	1.2%	Rank history: #68 in FY2022, #31 in FY2023, #73 in FY2024 and #65 in FY2025; up 3 since FY2020.
14	Theodor Wille Intertrade GMBH Through Atlantic Diving Supply, Inc. Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs) Navy (Department of the Navy)	$4,680,110	1.0%	Rank history: not on the FY2022 list, #21 in FY2023 and not on the FY2024–FY2025 lists; up 57 since FY2020.
15	Computer Sites Inc. Top agencies USAF (Department of the Air Force)	$4,435,608	0.9%	Rank history: #12 in FY2022, #25 in FY2023, #22 in FY2024 and #16 in FY2025; down 1 since FY2020.
16	L3Harris Technologies, Inc. 21 awardees, including L3 Technologies, Inc., L3Harris Technologies Integrated Systems L.P. and Fisica Applied Technologies, Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$4,351,865	0.9%	Rank history: #13 in FY2022, #17 in FY2023, #9 in FY2024 and #38 in FY2025; down 10 since FY2020.
17	Tesla Industries Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) DHS (Department of Homeland Security)	$4,308,382	0.9%	Rank history: #17 in FY2022, #32 in FY2023, #95 in FY2024 and not on the FY2025 list; down 7 since FY2020.
18	Gilat Satellite Networks Ltd. Through Wavestream Corporation Top agencies Army (Department of the Army)	$4,116,158	0.8%	Rank history: not on the FY2022–FY2023 lists, #5 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
19	Pine Meadow Holdings, LLC Through Oceus Networks, LLC Top agencies DOT (Department of Transportation)	$3,380,475	0.7%	Rank history: #9 in FY2022, #2 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
20	Intellisense Systems Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$3,361,707	0.7%	Rank history: #26 in FY2022 and not on the FY2023–FY2025 lists; up 1 since FY2020.
21	Gentex Corporation Top agencies DLA (Defense Logistics Agency)	$3,271,698	0.7%	Rank history: #30 in FY2022, #42 in FY2023, #20 in FY2024 and #17 in FY2025; new, not ranked in FY2020.
22	Custom Manufacturing & Engineering, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$3,065,758	0.6%	Rank history: #21 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
23	BAE Systems PLC 7 awardees, including BAE Systems Land & Armaments L.P. and BAE Systems Information and Electronic Systems Integration Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$2,635,344	0.5%	Rank history: #20 in FY2022, #35 in FY2023 and not on the FY2024–FY2025 lists; down 6 since FY2020.
24	Great Plains Communications LLC Through Strantech LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DISA (Defense Information Systems Agency)	$2,248,421	0.5%	Rank history: #5 in FY2022 and not on the FY2023–FY2025 lists; down 9 since FY2020.
25	Kampi Components Co Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) Army (Department of the Army)	$2,042,330	0.4%	Rank history: #18 in FY2022, #27 in FY2023, #38 in FY2024 and #28 in FY2025; up 13 since FY2020.
26	Bren-Tronics Defense LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) Army (Department of the Army)	$1,966,555	0.4%	Rank history: #29 in FY2022, #11 in FY2023, #14 in FY2024 and #23 in FY2025; down 14 since FY2020.
27	J.g.w. (International) Ltd. Top agencies DLA (Defense Logistics Agency)	$1,887,044	0.4%	Rank history: not on the FY2022 list, #13 in FY2023, #39 in FY2024 and not on the FY2025 list; up 284 since FY2020.
28	Envision Solar International Inc. Through Beam Global Top agencies Navy (Department of the Navy)	$1,794,455	0.4%	Rank history: #14 in FY2022, #8 in FY2023, #11 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
29	Ultra Electronics Forensic Technology Inc 2 awardees, including Ems Development Corporation and 3 Phoenix, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,660,005	0.3%	Rank history: #53 in FY2022, not on the FY2023 list, #10 in FY2024 and #24 in FY2025; up 466 since FY2020.
30	Heico Aerospace Corporat 4 awardees, including DB Control, Seal Dynamics LLC and Vpt, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) NASA (National Aeronautics and Space Administration)	$1,478,834	0.3%	Rank history: #22 in FY2022, not on the FY2023–FY2024 lists and #84 in FY2025; up 269 since FY2020.
31	Bahfed Corp Top agencies Navy (Department of the Navy) DOT (Department of Transportation)	$1,456,035	0.3%	Rank history: not on the FY2022 list, #46 in FY2023, #54 in FY2024 and not on the FY2025 list; up 315 since FY2020.
32	United Support Solutions - LMT Inc. Top agencies Navy (Department of the Navy)	$1,389,851	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
33	Crowder Industrial Construction LLC Top agencies Army (Department of the Army)	$1,385,988	0.3%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
34	Pioneer Industries, LLC Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) Navy (Department of the Navy)	$1,371,445	0.3%	Rank history: #33 in FY2022, #26 in FY2023, #41 in FY2024 and #35 in FY2025; down 7 since FY2020.
35	Unistar-Sparco Computers, Inc. Top agencies Navy (Department of the Navy)	$1,362,930	0.3%	Rank history: #36 in FY2022, #33 in FY2023, #16 in FY2024 and #26 in FY2025; down 9 since FY2020.
36	Pulsetech Products Corporation Top agencies DLA (Defense Logistics Agency)	$1,287,022	0.3%	Rank history: #31 in FY2022, #49 in FY2023, #97 in FY2024 and #29 in FY2025; down 11 since FY2020.
37	Par Defense Industries, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) Army (Department of the Army)	$1,233,146	0.3%	Rank history: #32 in FY2022, #18 in FY2023, not on the FY2024 list and #39 in FY2025; up 90 since FY2020.
38	RPS Holdings, Inc. Through Rantec Power Systems Inc. Top agencies USAF (Department of the Air Force)	$1,170,112	0.2%	Rank history: #44 in FY2022, #19 in FY2023, #26 in FY2024 and #15 in FY2025; new, not ranked in FY2020.
39	Military Battery Systems Inc. Top agencies DLA (Defense Logistics Agency)	$1,168,470	0.2%	Rank history: not on the FY2022 list, #61 in FY2023, #59 in FY2024 and #71 in FY2025; up 41 since FY2020.
40	Crane Co 5 awardees, including Hydro-Aire Aerospace Corp and Eldec Aerospace Corp Top agencies DLA (Defense Logistics Agency)	$1,157,506	0.2%	Rank history: #19 in FY2022, #24 in FY2023, #86 in FY2024 and not on the FY2025 list; down 12 since FY2020.
41	Danaher Corporation Through Superior Electric Holding Group LLC Top agencies Navy (Department of the Navy)	$1,149,672	0.2%	Rank history: not on the FY2022–FY2025 lists; up 2 since FY2020.
42	United Equipment, Inc. Top agencies DLA (Defense Logistics Agency)	$1,086,403	0.2%	Rank history: #76 in FY2022, #50 in FY2023, #71 in FY2024 and #75 in FY2025; up 69 since FY2020.
43	Mechanical Technology, Incorporated Top agencies USAF (Department of the Air Force)	$1,067,785	0.2%	Rank history: #77 in FY2022, #91 in FY2023 and not on the FY2024–FY2025 lists; down 25 since FY2020.
44	Triman Industries Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,066,218	0.2%	Rank history: #50 in FY2022, #34 in FY2023, #42 in FY2024 and #25 in FY2025; up 50 since FY2020.
45	Axon Enterprise, Inc. Top agencies DOJ (Department of Justice) DOI (Department of the Interior)	$1,065,384	0.2%	Rank history: #34 in FY2022, #15 in FY2023, #23 in FY2024 and #21 in FY2025; up 54 since FY2020.
46	Advantest Corporation Through Astronics Test Systems Inc. Top agencies Navy (Department of the Navy)	$1,056,955	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
47	Lone Star Test, Inc. Top agencies USAF (Department of the Air Force)	$1,051,260	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
48	Krydon Group, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) DOI (Department of the Interior)	$997,455	0.2%	Rank history: #42 in FY2022, not on the FY2023 list, #70 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
49	Jo-Kell Inc. Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) DHS (Department of Homeland Security)	$885,813	0.2%	Rank history: #38 in FY2022, #64 in FY2023, #35 in FY2024 and #34 in FY2025; down 10 since FY2020.
50	B & P Consort, Inc. Top agencies Army (Department of the Army)	$844,675	0.2%	Rank history: not on the FY2022–FY2025 lists; up 66 since FY2020.
51	Landa Mobile Systems, LLC Top agencies Navy (Department of the Navy)	$812,532	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
52	BAE Systems Land & Armaments L.P. 3 awardees Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$808,674	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
53	RLH Inc. Top agencies DOI (Department of the Interior) DOE (Department of Energy)	$800,242	0.2%	Rank history: #35 in FY2022, #36 in FY2023, not on the FY2024 list and #32 in FY2025; up 34 since FY2020.
54	Global Technology Integrators LLC Top agencies USAF (Department of the Air Force)	$790,399	0.2%	Rank history: #95 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
55	Aantilia LLC Top agencies DOE (Department of Energy) Navy (Department of the Navy) USAF (Department of the Air Force)	$789,373	0.2%	Rank history: #61 in FY2022, #92 in FY2023 and not on the FY2024–FY2025 lists; up 142 since FY2020.
56	American Engineering Corporation Top agencies Navy (Department of the Navy)	$784,747	0.2%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
57	3T Federal Solutions LLC Top agencies DOE (Department of Energy)	$755,767	0.2%	Rank history: not on the FY2022–FY2025 lists; up 213 since FY2020.
58	Raytheon Company Top agencies DLA (Defense Logistics Agency)	$755,758	0.2%	Rank history: not on the FY2022–FY2025 lists; up 240 since FY2020.
59	Aarcorp Through AAR Supply Chain, Inc. Top agencies DLA (Defense Logistics Agency)	$754,064	0.2%	Rank history: not on the FY2022–FY2025 lists; up 201 since FY2020.
60	Empire Avionics Corp. Top agencies DLA (Defense Logistics Agency)	$751,839	0.2%	Rank history: #100 in FY2022, #81 in FY2023, not on the FY2024 list and #57 in FY2025; new, not ranked in FY2020.
61	OM Group Inc. Through Eaglepicher Technologies LLC Top agencies DLA (Defense Logistics Agency)	$747,680	0.2%	Rank history: #54 in FY2022 and not on the FY2023–FY2025 lists; up 6 since FY2020.
62	Doc Development, Inc. Top agencies Army (Department of the Army)	$697,569	0.1%	Rank history: not on the FY2022–FY2025 lists; up 264 since FY2020.
63	Dcx-Chol Enterprises, Inc. 4 awardees Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$690,606	0.1%	Rank history: #28 in FY2022, #70 in FY2023 and not on the FY2024–FY2025 lists; up 5 since FY2020.
64	Military Supply Company LLC Top agencies DLA (Defense Logistics Agency)	$674,209	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
65	Phoenix Trading Inc. Top agencies DLA (Defense Logistics Agency)	$659,497	0.1%	Rank history: not on the FY2022–FY2025 lists; up 23 since FY2020.
66	Echelon Supply and Service, Inc. Top agencies DLA (Defense Logistics Agency)	$650,565	0.1%	Rank history: #64 in FY2022 and not on the FY2023–FY2025 lists; up 17 since FY2020.
67	Avnet Inc. 2 awardees, including Newark Corporation and Avid Technologies, Inc. Top agencies DOT (Department of Transportation) Navy (Department of the Navy)	$650,500	0.1%	Rank history: not on the FY2022 list, #72 in FY2023 and not on the FY2024–FY2025 lists; up 117 since FY2020.
68	Air / Flex Industries, Inc. Top agencies DLA (Defense Logistics Agency)	$644,492	0.1%	Rank history: not on the FY2022 list, #90 in FY2023, not on the FY2024 list and #62 in FY2025; up 84 since FY2020.
69	Redwire Space Sensors, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$642,880	0.1%	Rank history: not on the FY2022–FY2025 lists; up 43 since FY2020.
70	Deep Space Systems Inc Through Redwire Space Sensors, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$639,935	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
71	Comtech Telecommunications Corp. Through Comtech Satellite Network Technologies, Inc. Top agencies Navy (Department of the Navy)	$637,606	0.1%	Rank history: not on the FY2022 list, #48 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
72	Microchip Technology Inc. Top agencies Navy (Department of the Navy)	$620,540	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
73	Miraj Corp Top agencies DLA (Defense Logistics Agency)	$610,769	0.1%	Rank history: #79 in FY2022, #79 in FY2023 and not on the FY2024–FY2025 lists; down 10 since FY2020.
74	One-Cycle Control, Inc. Top agencies Army (Department of the Army)	$600,000	0.1%	Rank history: not on the FY2022–FY2025 lists; up 5 since FY2020.
75	Hampden Engineering Corp Top agencies DOJ (Department of Justice) DHS (Department of Homeland Security) GSA (General Services Administration)	$591,673	0.1%	Rank history: not on the FY2022–FY2025 lists; up 64 since FY2020.
76	Dela Technology Corporation Top agencies DLA (Defense Logistics Agency)	$590,079	0.1%	Rank history: #39 in FY2022, #39 in FY2023, #80 in FY2024 and #85 in FY2025; up 89 since FY2020.
77	Coffman Electrical Equipment Co. Top agencies Army (Department of the Army) Navy (Department of the Navy) VA (Department of Veterans Affairs)	$582,076	0.1%	Rank history: #37 in FY2022, #30 in FY2023, #66 in FY2024 and #55 in FY2025; up 16 since FY2020.
78	Eastern Carolina Vocational Center Inc. Top agencies DLA (Defense Logistics Agency)	$580,313	0.1%	Rank history: not on the FY2022 list, #53 in FY2023 and not on the FY2024–FY2025 lists; up 168 since FY2020.
79	Environmental Systems LLC Top agencies Navy (Department of the Navy)	$574,032	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
80	Alpine Power Systems Inc. Top agencies DHS (Department of Homeland Security) Navy (Department of the Navy) USDA (Department of Agriculture)	$567,115	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
81	Ametek Inc. 5 awardees, including Ametek Programmable Power, Inc., Intellipower, Inc. and Sunpower, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) NASA (National Aeronautics and Space Administration)	$539,943	0.1%	Rank history: #70 in FY2022, #7 in FY2023, #50 in FY2024 and not on the FY2025 list; up 286 since FY2020.
82	General Dynamics Satcom Technologies Inc. Through CPI Electron Device Business, Inc. Top agencies DOT (Department of Transportation)	$525,000	0.1%	Rank history: not on the FY2022–FY2025 lists; down 60 since FY2020.
83	Advanced Products Services Inc. Top agencies DLA (Defense Logistics Agency)	$520,039	0.1%	Rank history: #92 in FY2022, #66 in FY2023, #53 in FY2024 and #97 in FY2025; up 164 since FY2020.
84	Bogue Systems Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$513,636	0.1%	Rank history: not on the FY2022–FY2025 lists; up 237 since FY2020.
85	AVL Mobility Technologies, Inc. Top agencies USAF (Department of the Air Force)	$510,506	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
86	Aardvark Top agencies DOJ (Department of Justice) DOI (Department of the Interior) USAF (Department of the Air Force)	$501,435	0.1%	Rank history: not on the FY2022 list, #85 in FY2023 and not on the FY2024–FY2025 lists; up 3 since FY2020.
87	W.w. Grainger, Inc. Top agencies DOT (Department of Transportation) Army (Department of the Army) Navy (Department of the Navy)	$478,955	0.1%	Rank history: not on the FY2022 list, #54 in FY2023, #84 in FY2024 and not on the FY2025 list; up 197 since FY2020.
88	K.r. Campbell, Inc. Top agencies Navy (Department of the Navy)	$468,745	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
89	Ultralife Corp. Top agencies Navy (Department of the Navy)	$441,853	0.1%	Rank history: not on the FY2022 list, #93 in FY2023, #61 in FY2024 and #52 in FY2025; down 45 since FY2020.
90	Woodward Governor Company Through Woodward, Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$438,905	0.1%	Rank history: not on the FY2022–FY2025 lists; up 34 since FY2020.
91	TE Connectivity Corporation 2 awardees, including Brantner and Associates, Inc. Top agencies DLA (Defense Logistics Agency)	$434,230	0.1%	Rank history: not on the FY2022–FY2025 lists; up 45 since FY2020.
92	Maverick Technologies LLC Top agencies DOT (Department of Transportation)	$430,585	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
93	Hytech Associates Incorporated Top agencies DLA (Defense Logistics Agency)	$428,344	0.1%	Rank history: #86 in FY2022 and not on the FY2023–FY2025 lists; up 29 since FY2020.
94	Federal Resources Supply Company Top agencies DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$427,168	0.1%	Rank history: not on the FY2022–FY2025 lists; up 96 since FY2020.
95	Woodard Electric Inc. Top agencies DLA (Defense Logistics Agency)	$425,781	0.1%	Rank history: not on the FY2022–FY2025 lists; up 75 since FY2020.
96	Opatik Defense Manufacturing, LLC Top agencies DLA (Defense Logistics Agency)	$424,136	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
97	Searobotics Corporation Top agencies Army (Department of the Army)	$424,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
98	JA Moody LLC 2 awardees, including ESI Acquisition Corp Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$423,588	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
99	Access Electric Supply Inc. Top agencies Army (Department of the Army) DOE (Department of Energy)	$421,914	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
100	TNL Sales LLC Top agencies DLA (Defense Logistics Agency)	$416,664	0.1%	Rank history: not on the FY2022–FY2025 lists; up 72 since FY2020.

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100 of 1,326 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 $486 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 335999 contractors in FY2021?

1. Science Applications International Corporation ($73.6M), 2. Saab AB ($54.9M), 3. Diversified Technologies, Inc. ($38.1M), 4. Lockheed Martin Corporation ($26.9M), 5. Noble Supply & Logistics, LLC ($21.8M), 6. Eaton Corporation ($19M), 7. Thales ($16.9M), 8. Switching Power Inc. ($14M), 9. American Superconductor Corp ($11.1M), 10. RTX Corporation ($7.95M).

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