Top 100 Contractors in NAICS 336419: Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing, FY2021

Name: Top 100 Contractors in NAICS 336419: Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing, FY2021
Creator: GovTribe

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

The top 10 won 83% of FY2021 NAICS 336419 contract dollars

Contract obligations: $1,504,856,951 Net of deobligations, by contracts coded NAICS 336419
Contractors: 239 Parent companies with an obligation
Largest contractor: RTX Corporation $655 million, 39.1% 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 14 awardees, including Raytheon Company, Hamilton Sundstrand Space Systems International, Inc. and Raytheon Southeast Asia Systems Company Top agencies Navy (Department of the Navy) NASA (National Aeronautics and Space Administration) Army (Department of the Army)	$654,602,371	39.1%	Rank history: #2 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; up 2 since FY2020.
2	Lockheed Martin Corporation 10 awardees, including Lockheed Martin Global, Inc. and Astrotech Space Operations, LLC Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$327,879,128	19.6%	Rank history: #1 in FY2022, #2 in FY2023, #2 in FY2024 and #2 in FY2025; down 1 since FY2020.
3	BAE Systems PLC Through BAE Systems Land & Armaments L.P. Top agencies Navy (Department of the Navy)	$143,868,402	8.6%	Rank history: #4 in FY2022, #3 in FY2023 and not on the FY2024–FY2025 lists; down 1 since FY2020.
4	Intuitive Research and Technology Corporation 2 awardees Top agencies USAF (Department of the Air Force) Army (Department of the Army) Navy (Department of the Navy)	$71,081,686	4.2%	Rank history: #5 in FY2022, #4 in FY2023, #6 in FY2024 and #9 in FY2025; up 2 since FY2020.
5	The Boeing Company 6 awardees Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$58,414,823	3.5%	Rank history: #8 in FY2022, #7 in FY2023, #5 in FY2024 and #7 in FY2025; up 22 since FY2020.
6	Leidos Holdings, Inc. 2 awardees, including Dynetics, Inc. and Leidos, Inc. Top agencies USAF (Department of the Air Force) NASA (National Aeronautics and Space Administration) Army (Department of the Army)	$54,319,182	3.2%	Rank history: #6 in FY2022, #5 in FY2023, #37 in FY2024 and #3 in FY2025; up 7 since FY2020.
7	Northrop Grumman Corporation 7 awardees, including Northrop Grumman Systems Corporation and ATK Space Systems LLC Top agencies Army (Department of the Army) NASA (National Aeronautics and Space Administration)	$49,599,464	3.0%	Rank history: #7 in FY2022, #22 in FY2023 and not on the FY2024–FY2025 lists; down 3 since FY2020.
8	David Clark Company Incorporated Top agencies USAF (Department of the Air Force)	$19,437,053	1.2%	Rank history: #11 in FY2022, #9 in FY2023, #15 in FY2024 and #16 in FY2025; down 1 since FY2020.
9	Marvin Engineering Co, Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$10,018,517	0.6%	Rank history: #12 in FY2022, #13 in FY2023, #28 in FY2024 and #25 in FY2025; up 5 since FY2020.
10	Saab, Inc. Top agencies Navy (Department of the Navy)	$9,003,184	0.5%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
11	Kratos Defense & Security Solutions, Inc. 3 awardees, including Kratos S1, Inc., Micro Systems, Inc. and Kratos Technology & Training Solutions, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$7,393,950	0.4%	Rank history: #25 in FY2022, #31 in FY2023, #39 in FY2024 and #41 in FY2025; up 4 since FY2020.
12	Booz Allen Hamilton Holding Corporation Through Booz Allen Hamilton Inc. Top agencies USAF (Department of the Air Force)	$6,747,968	0.4%	Rank history: #17 in FY2022, #11 in FY2023, #10 in FY2024 and #10 in FY2025; up 5 since FY2020.
13	Textron Inc. 2 awardees, including Textron Systems Corporation Top agencies USAF (Department of the Air Force)	$6,198,549	0.4%	Rank history: #38 in FY2022, not on the FY2023 list, #74 in FY2024 and #28 in FY2025; up 23 since FY2020.
14	Sielman S.A. Top agencies Army (Department of the Army)	$5,977,779	0.4%	Rank history: #24 in FY2022, #16 in FY2023, #11 in FY2024 and #6 in FY2025; up 32 since FY2020.
15	General Dynamics Satcom Technologies Inc. Through Microwave Power Products, Inc. Top agencies Navy (Department of the Navy)	$5,812,550	0.3%	Rank history: #19 in FY2022, not on the FY2023 list, #26 in FY2024 and not on the FY2025 list; up 11 since FY2020.
16	State of California Controllers Office Through The Regents of the University of California Top agencies NASA (National Aeronautics and Space Administration)	$5,411,332	0.3%	Rank history: #15 in FY2022, #19 in FY2023, #44 in FY2024 and not on the FY2025 list; up 13 since FY2020.
17	Southern Research Institute Top agencies Navy (Department of the Navy)	$5,201,134	0.3%	Rank history: #27 in FY2022, #25 in FY2023 and not on the FY2024–FY2025 lists; up 13 since FY2020.
18	Trident Research, LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$5,066,728	0.3%	Rank history: #16 in FY2022, #12 in FY2023, #35 in FY2024 and #23 in FY2025; up 3 since FY2020.
19	Saab AB Through Saab, Inc. Top agencies Navy (Department of the Navy)	$4,026,673	0.2%	Rank history: #13 in FY2022, #10 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
20	Radiance Technologies Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$3,913,532	0.2%	Rank history: #18 in FY2022, #42 in FY2023, #52 in FY2024 and not on the FY2025 list; up 11 since FY2020.
21	The Regents of the University of Colorado Top agencies NASA (National Aeronautics and Space Administration)	$3,450,000	0.2%	Rank history: #14 in FY2022, #14 in FY2023, #20 in FY2024 and #21 in FY2025; down 3 since FY2020.
22	Verus Research, LLC Top agencies Army (Department of the Army)	$3,287,774	0.2%	Rank history: #9 in FY2022, #6 in FY2023, #12 in FY2024 and #12 in FY2025; down 14 since FY2020.
23	Wavelink Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$3,051,984	0.2%	Rank history: #21 in FY2022, #24 in FY2023, #14 in FY2024 and not on the FY2025 list; up 20 since FY2020.
24	Mercury Computer Systems Inc. Through Physical Optics Corporation Top agencies Navy (Department of the Navy)	$2,694,200	0.2%	Rank history: not on the FY2022 list, #32 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
25	Boneal, Incorporated Top agencies Army (Department of the Army)	$2,370,210	0.1%	Rank history: #44 in FY2022, #49 in FY2023, #24 in FY2024 and #38 in FY2025; new, not ranked in FY2020.
26	Ensign-Bickford Industries Inc. Through Ensign-Bickford Aerospace & Defense Company Top agencies USAF (Department of the Air Force)	$2,281,126	0.1%	Rank history: #36 in FY2022, #27 in FY2023 and not on the FY2024–FY2025 lists; up 33 since FY2020.
27	AC Inc. Top agencies USAF (Department of the Air Force)	$2,068,200	0.1%	Rank history: #34 in FY2022 and not on the FY2023–FY2025 lists; down 4 since FY2020.
28	Kbr, Inc. Through Kbrwyle Technology Solutions, LLC Top agencies USAF (Department of the Air Force)	$1,988,857	0.1%	Rank history: #10 in FY2022, #28 in FY2023, #18 in FY2024 and #20 in FY2025; down 6 since FY2020.
29	Board of Regents of the University System of Georgia Through Georgia Institute of Technology Top agencies USAF (Department of the Air Force)	$1,967,846	0.1%	Rank history: not on the FY2022 list, #41 in FY2023 and not on the FY2024–FY2025 lists; up 19 since FY2020.
30	Astrotech Corporation Through Astrotech Space Operations, LLC Top agencies NASA (National Aeronautics and Space Administration)	$1,548,739	0.1%	Rank history: not on the FY2022–FY2025 lists; down 14 since FY2020.
31	The Bionetics Corp Top agencies USAF (Department of the Air Force)	$1,518,106	0.1%	Rank history: #46 in FY2022 and not on the FY2023–FY2025 lists; up 23 since FY2020.
32	BK Manufacturing Co Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$1,430,905	0.1%	Rank history: #45 in FY2022, #56 in FY2023, #40 in FY2024 and #37 in FY2025; up 9 since FY2020.
33	Aerojet Rocketdyne Holdings, Inc. 2 awardees, including Arde Inc. Top agencies NASA (National Aeronautics and Space Administration)	$1,404,171	0.1%	Rank history: not on the FY2022–FY2025 lists; down 1 since FY2020.
34	The Will-Burt Company Top agencies Army (Department of the Army)	$1,362,951	0.1%	Rank history: #39 in FY2022, #33 in FY2023, #45 in FY2024 and #36 in FY2025; up 23 since FY2020.
35	Heroux-Devtek Inc. Through Beaver Aerospace & Defense, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army)	$1,280,342	0.1%	Rank history: #32 in FY2022, #34 in FY2023, #47 in FY2024 and not on the FY2025 list; up 7 since FY2020.
36	Rodelco Electronics Corp Top agencies DLA (Defense Logistics Agency)	$1,171,459	0.1%	Rank history: #64 in FY2022, #64 in FY2023 and not on the FY2024–FY2025 lists; up 33 since FY2020.
37	Anderson Metal Industries Inc. Top agencies Navy (Department of the Navy)	$1,146,862	0.1%	Rank history: not on the FY2022–FY2025 lists; up 25 since FY2020.
38	Ierus Technologies Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$1,064,970	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
39	Georgia Institute of Technology Top agencies USAF (Department of the Air Force)	$1,000,000	0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
40	Parts and Repair Technical Services, Inc. Top agencies Army (Department of the Army)	$961,664	0.1%	Rank history: #33 in FY2022, #23 in FY2023, #16 in FY2024 and #30 in FY2025; new, not ranked in FY2020.
41	The Timken Company Through MPB Corp Top agencies Navy (Department of the Navy)	$746,790	<0.1%	Rank history: not on the FY2022 list, #45 in FY2023 and not on the FY2024–FY2025 lists; up 15 since FY2020.
42	AMD International Technologies LLC Top agencies Navy (Department of the Navy)	$737,092	<0.1%	Rank history: #41 in FY2022, #44 in FY2023 and not on the FY2024–FY2025 lists; up 13 since FY2020.
43	R. S. Means Company LLC Through Pacific Scientific Energetic Materials Company (California Llc) Top agencies USAF (Department of the Air Force)	$664,883	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 24 since FY2020.
44	Nanoracks LLC Top agencies NASA (National Aeronautics and Space Administration)	$637,318	<0.1%	Rank history: not on the FY2022 list, #70 in FY2023, #67 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
45	Regents of the University of Michigan Top agencies NASA (National Aeronautics and Space Administration)	$587,505	<0.1%	Rank history: #29 in FY2022, #29 in FY2023, #38 in FY2024 and #29 in FY2025; down 20 since FY2020.
46	L3Harris Technologies, Inc. 3 awardees, including Harris Corporation Top agencies NASA (National Aeronautics and Space Administration) DLA (Defense Logistics Agency)	$503,609	<0.1%	Rank history: not on the FY2022 list, #95 in FY2023, #57 in FY2024 and not on the FY2025 list; up 72 since FY2020.
47	Cummings Aerospace, Inc. Top agencies WHS (DOD Washington Headquarters Service)	$414,821	<0.1%	Rank history: #40 in FY2022, #38 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
48	Axion Corporation Top agencies USAF (Department of the Air Force)	$398,377	<0.1%	Rank history: not on the FY2022 list, #52 in FY2023, not on the FY2024 list and #74 in FY2025; new, not ranked in FY2020.
49	Jri, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$391,042	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 17 since FY2020.
50	Cobham Advanced Electronic Solutions Inc. 2 awardees, including Everaxis Usa, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$342,408	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
51	Dcx-Chol Enterprises, Inc. 2 awardees Top agencies DLA (Defense Logistics Agency)	$313,000	<0.1%	Rank history: not on the FY2022 list, #92 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
52	Greisen Aerospace, LLC Top agencies USAF (Department of the Air Force)	$304,000	<0.1%	Rank history: #50 in FY2022, #68 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
53	Fibertek, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$284,943	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 18 since FY2020.
54	ETI Tech LLC Through Starwin Industries, LLC Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy)	$282,629	<0.1%	Rank history: #51 in FY2022, #62 in FY2023, #94 in FY2024 and not on the FY2025 list; up 39 since FY2020.
55	Space Systems/Loral LLC Through Lanteris Space LLC Top agencies NASA (National Aeronautics and Space Administration)	$275,177	<0.1%	Rank history: #71 in FY2022, #35 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
56	Richard Manufacturing Company Top agencies USAF (Department of the Air Force)	$271,112	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 60 since FY2020.
57	Applied Aerospace Structures Corp Top agencies NASA (National Aeronautics and Space Administration)	$250,786	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 22 since FY2020.
58	Lektron Inc. Top agencies Army (Department of the Army)	$244,547	<0.1%	Rank history: #47 in FY2022 and not on the FY2023–FY2025 lists; up 19 since FY2020.
59	Bluehalo LLC Top agencies Army (Department of the Army)	$234,417	<0.1%	Rank history: not on the FY2022–FY2023 lists, #46 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
60	Taylor Devices Inc. Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$233,180	<0.1%	Rank history: #63 in FY2022, #96 in FY2023, #79 in FY2024 and #78 in FY2025; up 22 since FY2020.
61	Loveridge Machine & Tool Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$214,448	<0.1%	Rank history: #52 in FY2022, #79 in FY2023 and not on the FY2024–FY2025 lists; up 37 since FY2020.
62	L.s. Starrett Company (The) Top agencies USAF (Department of the Air Force)	$214,144	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
63	Wright Source Inc. Top agencies DLA (Defense Logistics Agency)	$209,684	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
64	Jjet Enterprises Top agencies DLA (Defense Logistics Agency)	$194,505	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
65	Kuog Corp Top agencies Army (Department of the Army)	$183,290	<0.1%	Rank history: not on the FY2022–FY2023 lists, #84 in FY2024 and not on the FY2025 list; up 13 since FY2020.
66	Royal Engineered Composites, Inc. Top agencies DLA (Defense Logistics Agency)	$180,969	<0.1%	Rank history: #48 in FY2022, #47 in FY2023, #64 in FY2024 and #49 in FY2025; up 4 since FY2020.
67	Ducommun Labarge Technologies, Inc. Top agencies Navy (Department of the Navy)	$178,028	<0.1%	Rank history: not on the FY2022–FY2023 lists, #75 in FY2024 and #48 in FY2025; new, not ranked in FY2020.
68	Homewood Sales Corporation Top agencies DLA (Defense Logistics Agency)	$177,671	<0.1%	Rank history: #95 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
69	Maverick Space Systems, Inc. Top agencies Navy (Department of the Navy)	$165,000	<0.1%	Rank history: #76 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in FY2020.
70	Jamaica Bearings Co., Inc. Top agencies DLA (Defense Logistics Agency)	$153,313	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
71	AED Aero Inc. Top agencies DLA (Defense Logistics Agency)	$150,552	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
72	Jo-Kell Inc. Top agencies DLA (Defense Logistics Agency)	$140,228	<0.1%	Rank history: #79 in FY2022, #46 in FY2023, #49 in FY2024 and #64 in FY2025; up 9 since FY2020.
73	Maven Engineering Corporation Top agencies DLA (Defense Logistics Agency)	$135,111	<0.1%	Rank history: #75 in FY2022 and not on the FY2023–FY2025 lists; up 63 since FY2020.
74	The Handy Tool & Mfg. Co., Inc. Top agencies DLA (Defense Logistics Agency)	$133,000	<0.1%	Rank history: not on the FY2022 list, #77 in FY2023 and not on the FY2024–FY2025 lists; up 6 since FY2020.
75	Copp Industrial Manufacturing, Inc. Top agencies DLA (Defense Logistics Agency)	$132,881	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
76	Elbit Systems Ltd 2 awardees, including Real-Time Laboratories, LLC and Elbit Systems of America - Night Vision LLC Top agencies DLA (Defense Logistics Agency)	$132,858	<0.1%	Rank history: not on the FY2022 list, #72 in FY2023 and not on the FY2024–FY2025 lists; up 134 since FY2020.
77	ECI Defense Group, Inc. Top agencies DLA (Defense Logistics Agency)	$132,841	<0.1%	Rank history: not on the FY2022 list, #61 in FY2023 and not on the FY2024–FY2025 lists; up 36 since FY2020.
78	York Precision Machining and Hydraulics, LLC Top agencies USAF (Department of the Air Force)	$123,221	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
79	SGL Carbon SE Through SGL Composites Inc. Top agencies Navy (Department of the Navy)	$120,868	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 45 since FY2020.
80	Corning Incorporated Through ACE and Company, Inc. Top agencies DLA (Defense Logistics Agency)	$119,187	<0.1%	Rank history: not on the FY2022 list, #65 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in FY2020.
81	Capstone Manufacturing Inc. Top agencies DLA (Defense Logistics Agency)	$114,400	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
82	Ruhle Companies, Inc. Top agencies DLA (Defense Logistics Agency)	$109,320	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
83	C.e.w. Research, Inc. Top agencies Army (Department of the Army)	$103,680	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
84	Millennium Aerospace and Defense Top agencies DLA (Defense Logistics Agency)	$100,120	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 62 since FY2020.
85	March Electronics, Inc. Top agencies USAF (Department of the Air Force)	$99,324	<0.1%	Rank history: #20 in FY2022, not on the FY2023 list, #61 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
86	Rocker Solenoid Co Top agencies DLA (Defense Logistics Agency)	$92,800	<0.1%	Rank history: #84 in FY2022, not on the FY2023 list, #96 in FY2024 and #87 in FY2025; new, not ranked in FY2020.
87	RLC Electronics, Inc. Top agencies DLA (Defense Logistics Agency)	$89,354	<0.1%	Rank history: #86 in FY2022, #84 in FY2023, not on the FY2024 list and #85 in FY2025; up 15 since FY2020.
88	GK Mechanical Systems LLC Top agencies DLA (Defense Logistics Agency)	$88,459	<0.1%	Rank history: not on the FY2022–FY2023 lists, #68 in FY2024 and not on the FY2025 list; new, not ranked in FY2020.
89	Synergetic Technologies Group, Inc. Top agencies DLA (Defense Logistics Agency)	$87,100	<0.1%	Rank history: #54 in FY2022, not on the FY2023 list, #92 in FY2024 and not on the FY2025 list; up 38 since FY2020.
90	Dela Technology Corporation Top agencies DLA (Defense Logistics Agency)	$81,536	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 1 since FY2020.
91	Cliffdale Manufacturing LLC Top agencies DLA (Defense Logistics Agency)	$80,180	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
92	General Plastics Manufacturing Co. Top agencies DLA (Defense Logistics Agency)	$78,274	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
93	MP Aero LLC Top agencies DLA (Defense Logistics Agency)	$68,380	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
94	Opatik Defense Manufacturing, LLC Top agencies DLA (Defense Logistics Agency)	$66,340	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
95	V. Lopez JR. & Sons General Engineering Contractors, Inc. Top agencies DLA (Defense Logistics Agency)	$63,756	<0.1%	Rank history: not on the FY2022–FY2025 lists; new, not ranked in FY2020.
96	Cables BEN-MOR Inc LES Through Continental Cable, LLC Top agencies DLA (Defense Logistics Agency)	$63,250	<0.1%	Rank history: not on the FY2022–FY2025 lists; down 11 since FY2020.
97	Alek Industries Inc. Top agencies DLA (Defense Logistics Agency)	$63,053	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 2 since FY2020.
98	Blue Cord Logistic Strategies Inc. Top agencies DLA (Defense Logistics Agency)	$60,839	<0.1%	Rank history: not on the FY2022–FY2023 lists, #83 in FY2024 and not on the FY2025 list; up 50 since FY2020.
99	Statz Corp Top agencies DLA (Defense Logistics Agency)	$60,446	<0.1%	Rank history: not on the FY2022–FY2025 lists; up 24 since FY2020.
100	Avans Machine, Inc. Top agencies DLA (Defense Logistics Agency)	$58,263	<0.1%	Rank history: #59 in FY2022, #63 in FY2023, #54 in FY2024 and #56 in FY2025; down 32 since FY2020.

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100 of 239 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 $1.67 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 NAICS 336419 contractors in FY2021?

1. RTX Corporation ($655M), 2. Lockheed Martin Corporation ($328M), 3. BAE Systems PLC ($144M), 4. Intuitive Research and Technology Corporation ($71.1M), 5. The Boeing Company ($58.4M), 6. Leidos Holdings, Inc. ($54.3M), 7. Northrop Grumman Corporation ($49.6M), 8. David Clark Company Incorporated ($19.4M), 9. Marvin Engineering Co, Inc. ($10M), 10. Saab, Inc. ($9M).

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