Top 100 Contractors in NAICS 31-33: Manufacturing, FY2024

Name: Top 100 Contractors in NAICS 31-33: Manufacturing, FY2024
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2023 – Sep 30, 2024 Code page on GovTribe

The top 10 won 51% of FY2024 NAICS 31-33 contract dollars

Contract obligations: $275,173,415,266 Net of deobligations, by contracts coded NAICS 31-33 or a code under it
Contractors: 26,041 Parent companies with an obligation
Largest contractor: Lockheed Martin Corporation $45 billion, 15.7% 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	Lockheed Martin Corporation 60 awardees, including Sikorsky Aircraft Corporation, Zeta Associates Inc. and Lockheed Martin Australia PTY Limited Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$45,024,485,739	15.7%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2023 and #1 in FY2025; unchanged since FY2023.
2	RTX Corporation 157 awardees, including Raytheon Company, Rockwell Collins, Inc. and Rockwell Collins Simulation & Training Solutions LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$24,415,720,931	8.5%	Rank history: #4 in FY2021, #2 in FY2022, #2 in FY2023 and #2 in FY2025; unchanged since FY2023.
3	The Boeing Company 68 awardees Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$22,430,204,119	7.8%	Rank history: #3 in FY2021, #5 in FY2022, #3 in FY2023 and #4 in FY2025; unchanged since FY2023.
4	Northrop Grumman Corporation 76 awardees, including Northrop Grumman Systems Corp Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$12,226,658,920	4.3%	Rank history: #7 in FY2021, #7 in FY2022, #5 in FY2023 and #6 in FY2025; up 1 since FY2023.
5	General Dynamics Corporation 50 awardees, including Electric Boat Corporation, General Dynamics Land Systems Inc. and General Dynamics OTS (Wilkes Barre), LLC Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$11,173,114,092	3.9%	Rank history: #5 in FY2021, #4 in FY2022, #4 in FY2023 and #3 in FY2025; down 1 since FY2023.
6	McKesson Corporation 13 awardees, including Mckesson Medical-Surgical Government Solutions LLC, Mckesson Specialty Care Distribution LLC and Mckesson Medical-Surgical Inc. Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice) HHS (Department of Health and Human Services)	$8,291,807,564	2.9%	Rank history: #6 in FY2021, #6 in FY2022, #6 in FY2023 and #5 in FY2025; unchanged since FY2023.
7	Huntington Ingalls Industries, Inc. 11 awardees, including Huntington Ingalls Incorporated, Continental Maritime of San Diego, LLC and HII Fleet Support Group LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$7,700,658,765	2.7%	Rank history: #9 in FY2021, #9 in FY2022, #7 in FY2023 and #7 in FY2025; unchanged since FY2023.
8	BAE Systems 63 awardees, including BAE Systems Land & Armaments L.P., BAE Systems Information and Electronic Systems Integration Inc. and BAE Systems GCS International Limited Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$7,569,642,771	2.6%	Rank history: #13 in FY2021, #10 in FY2022, #8 in FY2023 and #8 in FY2025; unchanged since FY2023.
9	L3Harris Technologies, Inc. 65 awardees, including L3Harris Global Communications, Inc., L3Harris Technologies Integrated Systems L.P. and L3 Technologies, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$6,034,852,917	2.1%	Rank history: #11 in FY2021, #8 in FY2022, #9 in FY2023 and #9 in FY2025; unchanged since FY2023.
10	Cencora, Inc. 4 awardees, including Amerisourcebergen Drug Corp and ASD Specialty Healthcare, LLC Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs)	$2,944,698,402	1.0%	Rank history: #38 in FY2021, #66 in FY2022, #26 in FY2023 and #10 in FY2025; up 16 since FY2023.
11	General Electric Company 30 awardees, including GE Precision Healthcare LLC, GE Aviation Systems LLC and Unison Industries LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$2,727,015,191	0.9%	Rank history: #12 in FY2021, #12 in FY2022, #10 in FY2023 and #11 in FY2025; down 1 since FY2023.
12	Atlantic Diving Supply, Inc. 2 awardees, including Theodor Wille Intertrade GMBH Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) USAF (Department of the Air Force)	$2,383,323,253	0.8%	Rank history: not on the FY2021–FY2023 lists and #13 in FY2025; new.
13	Okinawa Idemitsu K.K. 2 awardees Top agencies DLA (Defense Logistics Agency)	$2,211,820,686	0.8%	Rank history: not on the FY2021–FY2022 lists, #35 in FY2023 and not on the FY2025 list; up 22 since FY2023.
14	Bechtel Corp Through Bechtel Plant Machinery, Inc. Top agencies Navy (Department of the Navy)	$2,181,732,336	0.8%	Rank history: #16 in FY2021, #15 in FY2022, #20 in FY2023 and #16 in FY2025; up 6 since FY2023.
15	Textron Inc. 10 awardees, including Bell Textron Inc., Textron Aviation Inc. and Textron Systems Corp Top agencies Army (Department of the Army) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$2,115,288,301	0.7%	Rank history: #30 in FY2021, #33 in FY2022, #16 in FY2023 and #12 in FY2025; up 1 since FY2023.
16	Oshkosh Corporation 9 awardees, including Oshkosh Defense LLC, Pierce Manufacturing Inc. and Pratt & Miller Engineering & Fabrication, LLC Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$2,063,481,322	0.7%	Rank history: #15 in FY2021, #21 in FY2022, #11 in FY2023 and #15 in FY2025; down 5 since FY2023.
17	Bath Iron Works Corporation Top agencies Navy (Department of the Navy)	$1,898,754,933	0.7%	Rank history: not on the FY2021–FY2023 lists and #80 in FY2025; new.
18	Honeywell International Inc. 69 awardees, including Honeywell Inc. and Grimes Aerospace Company Top agencies Army (Department of the Army) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$1,764,204,448	0.6%	Rank history: #29 in FY2021, #27 in FY2022, #24 in FY2023 and #24 in FY2025; up 6 since FY2023.
19	General Atomic Technologies Corporation 3 awardees, including General Atomics Aeronautical Systems, Inc., General Atomics and General Atomics International Services Corp Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$1,629,986,110	0.6%	Rank history: #18 in FY2021, #19 in FY2022, #13 in FY2023 and not on the FY2025 list; down 6 since FY2023.
20	Olin Corporation 5 awardees, including Olin Winchester LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$1,536,188,703	0.5%	Rank history: not on the FY2021 list, #58 in FY2022, #45 in FY2023 and #32 in FY2025; up 25 since FY2023.
21	Leonardo S.p.A. 24 awardees, including DRS Network & Imaging Systems LLC, Laurel Technologies Partnership and DRS Sustainment Systems, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$1,532,201,817	0.5%	Rank history: #28 in FY2021, #31 in FY2022, #18 in FY2023 and #18 in FY2025; down 3 since FY2023.
22	Canadian Commercial Corporation Top agencies Army (Department of the Army) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,518,240,727	0.5%	Rank history: not on the FY2021–FY2023 lists and #14 in FY2025; new.
23	Am General LLC 5 awardees, including Howden North America Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$1,274,000,624	0.4%	Rank history: not on the FY2021 list, #34 in FY2022, #19 in FY2023 and #30 in FY2025; down 4 since FY2023.
24	Raytheon / Lockheed Martin Javelin JV Top agencies Army (Department of the Army)	$1,193,148,875	0.4%	Rank history: not on the FY2021–FY2023 lists and #20 in FY2025; new.
25	L3HARRIS Aviation Products Inc 41 awardees, including L3Harris Technologies Integrated Systems L.P., L3Harris Fuzing and Ordnance Systems, Inc. and L3Harris Technologies, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) Navy (Department of the Navy)	$1,179,262,871	0.4%	Rank history: not on the FY2021–FY2022 lists, #69 in FY2023 and not on the FY2025 list; up 44 since FY2023.
26	Amerisourcebergen Corporation 3 awardees, including Amerisourcebergen Drug Corp and ASD Specialty Healthcare, LLC Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs)	$1,172,019,864	0.4%	Rank history: not on the FY2021–FY2022 lists, #22 in FY2023 and not on the FY2025 list; down 4 since FY2023.
27	Fincantieri Marine Group Holdings Inc. 2 awardees, including Marinette Marine Corporation and Fincantieri Marine Group LLC Top agencies Navy (Department of the Navy) USSOCOM (United States Special Operations Command) DHS (Department of Homeland Security)	$1,131,430,387	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
28	Austal USA LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) DLA (Defense Logistics Agency)	$1,099,742,124	0.4%	Rank history: not on the FY2021–FY2023 lists and #35 in FY2025; new.
29	National Steel and Shipbuilding Company Top agencies Navy (Department of the Navy)	$1,095,806,106	0.4%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
30	Valero Energy Corporation Through Valero Marketing and Supply Co Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$1,064,116,836	0.4%	Rank history: #41 in FY2021, #25 in FY2022, #27 in FY2023 and #29 in FY2025; down 3 since FY2023.
31	National Presto Industries Inc. Through Amtec Corporation Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$1,025,279,789	0.4%	Rank history: not on the FY2021–FY2023 lists and #36 in FY2025; new.
32	BP P.L.C. 3 awardees, including BP Products North America Inc. and Air BP Limited Top agencies DLA (Defense Logistics Agency)	$1,022,980,328	0.4%	Rank history: #26 in FY2021, #16 in FY2022, #25 in FY2023 and not on the FY2025 list; down 7 since FY2023.
33	Sierra Nevada Company, LLC 6 awardees, including Sierra Space Corp Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$913,047,089	0.3%	Rank history: not on the FY2021–FY2023 lists and #17 in FY2025; new.
34	Defense Systems and Solutions Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$888,940,162	0.3%	Rank history: #46 in FY2021, #62 in FY2022, #33 in FY2023 and #28 in FY2025; down 1 since FY2023.
35	Space Exploration Technologies Corp. 2 awardees Top agencies NASA (National Aeronautics and Space Administration)	$849,666,122	0.3%	Rank history: #39 in FY2021, #47 in FY2022, #37 in FY2023 and #31 in FY2025; up 2 since FY2023.
36	General Dynamics Ordnance and Tactical Systems, Inc. Top agencies Army (Department of the Army)	$800,931,922	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
37	General Atomics Aeronautical Systems, Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$779,593,187	0.3%	Rank history: not on the FY2021–FY2023 lists and #21 in FY2025; new.
38	Bell Boeing Joint Project Office Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) USAF (Department of the Air Force)	$754,875,930	0.3%	Rank history: #14 in FY2021, #18 in FY2022, #29 in FY2023 and #26 in FY2025; down 9 since FY2023.
39	Leidos Holdings, Inc. 17 awardees, including Leidos, Inc. and Gibbs & Cox Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$731,422,982	0.3%	Rank history: #31 in FY2021, #65 in FY2022, #58 in FY2023 and #19 in FY2025; up 19 since FY2023.
40	Noble Supply & Logistics, LLC Top agencies DLA (Defense Logistics Agency) GSA (General Services Administration) Army (Department of the Army)	$705,181,877	0.2%	Rank history: #70 in FY2021, not on the FY2022–FY2023 lists and #46 in FY2025; returned.
41	Arctic Slope Regional Corporation 3 awardees, including Asrc Federal Facilities Logistics, LLC and Petro Star Inc. Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) Navy (Department of the Navy)	$674,555,444	0.2%	Rank history: not on the FY2021 list, #89 in FY2022, #80 in FY2023 and #41 in FY2025; up 39 since FY2023.
42	Northrop Grumman Systems Corp 2 awardees Top agencies Army (Department of the Army) USAF (Department of the Air Force) Navy (Department of the Navy)	$654,287,427	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
43	W S Darley & Co 3 awardees, including WS Darley & Co Top agencies DLA (Defense Logistics Agency) Navy (Department of the Navy) USAF (Department of the Air Force)	$622,643,295	0.2%	Rank history: #75 in FY2021, #53 in FY2022, #43 in FY2023 and #34 in FY2025; unchanged since FY2023.
44	Global Ordnance LLC 2 awardees, including Global Military Products Inc. Top agencies Army (Department of the Army)	$550,776,008	0.2%	Rank history: not on the FY2021 list, #54 in FY2022, #21 in FY2023 and not on the FY2025 list; down 23 since FY2023.
45	Rolls-Royce Solutions America Inc. 5 awardees, including Rolls-Royce Corporation, Rolls-Royce Marine North America Inc. and Rolls-Royce Canada Limited Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$542,362,010	0.2%	Rank history: not on the FY2021–FY2023 lists and #22 in FY2025; new.
46	Blueforge Alliance Top agencies Navy (Department of the Navy)	$537,884,552	0.2%	Rank history: not on the FY2021–FY2023 lists and #62 in FY2025; new.
47	US Foods Inc 22 awardees Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$510,506,624	0.2%	Rank history: not on the FY2021–FY2022 lists, #65 in FY2023 and #38 in FY2025; up 18 since FY2023.
48	Anduril Industries Inc. Top agencies USSOCOM (United States Special Operations Command) USAF (Department of the Air Force) Navy (Department of the Navy)	$502,651,155	0.2%	Rank history: not on the FY2021–FY2023 lists and #84 in FY2025; up 124 since FY2023.
49	Petromax Refining Company LLC Top agencies DLA (Defense Logistics Agency)	$501,164,737	0.2%	Rank history: #45 in FY2021, #46 in FY2022, #42 in FY2023 and #57 in FY2025; down 7 since FY2023.
50	Advanced Technology International Top agencies HHS (Department of Health and Human Services)	$501,155,622	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
51	Global Military Products Inc. Top agencies Army (Department of the Army) USSOCOM (United States Special Operations Command)	$471,137,745	0.2%	Rank history: not on the FY2021–FY2023 lists and #27 in FY2025; new.
52	Motor Oil (Hellas) Corinth Refineries S.A. 2 awardees, including Avinoil S.A. Top agencies DLA (Defense Logistics Agency)	$469,442,840	0.2%	Rank history: not on the FY2021 list, #45 in FY2022, #81 in FY2023 and #47 in FY2025; up 29 since FY2023.
53	Ford Motor Company Top agencies GSA (General Services Administration) HHS (Department of Health and Human Services)	$462,291,721	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 58 since FY2023.
54	Phillips 66 Company Top agencies DLA (Defense Logistics Agency)	$442,950,578	0.2%	Rank history: #56 in FY2021, #52 in FY2022, #48 in FY2023 and not on the FY2025 list; down 6 since FY2023.
55	Kingdom of Saudi Arabia Through S-Oil Corporation Top agencies DLA (Defense Logistics Agency)	$438,661,762	0.2%	Rank history: not on the FY2021–FY2022 lists, #53 in FY2023 and not on the FY2025 list; down 2 since FY2023.
56	Vigor Industrial LLC 2 awardees, including Vigor Works LLC and Vigor Marine LLC Top agencies Army (Department of the Army) Navy (Department of the Navy) DHS (Department of Homeland Security)	$416,626,549	0.1%	Rank history: not on the FY2021–FY2023 lists and #45 in FY2025; new.
57	Stonex Financial Ltd Top agencies Treasury (Department of the Treasury)	$406,093,892	0.1%	Rank history: not on the FY2021–FY2023 lists and #23 in FY2025; new.
58	THALES 10 awardees, including Thales Defense & Security Inc., Tampa Microwave, LLC and Thales Usa, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$405,478,088	0.1%	Rank history: not on the FY2021–FY2022 lists, #76 in FY2023 and #100 in FY2025; up 18 since FY2023.
59	Roche Diabetes Care Inc 2 awardees, including Genentech Usa, Inc. Top agencies HHS (Department of Health and Human Services) DOJ (Department of Justice)	$397,452,959	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
60	Caterpillar Inc. 2 awardees, including Solar Turbines Incorporated Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) DHS (Department of Homeland Security)	$394,353,378	0.1%	Rank history: not on the FY2021–FY2023 lists and #52 in FY2025; up 124 since FY2023.
61	CFM International Inc. Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency) Navy (Department of the Navy)	$385,380,924	0.1%	Rank history: not on the FY2021–FY2022 lists, #52 in FY2023 and #97 in FY2025; down 9 since FY2023.
62	Coins \'N Things, Inc. Top agencies Treasury (Department of the Treasury)	$382,697,537	0.1%	Rank history: #24 in FY2021, #26 in FY2022, #59 in FY2023 and not on the FY2025 list; down 3 since FY2023.
63	Medline Industries, LP Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) DOJ (Department of Justice)	$370,212,564	0.1%	Rank history: #74 in FY2021, #76 in FY2022, #68 in FY2023 and #98 in FY2025; up 5 since FY2023.
64	Nammo Perry Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy)	$363,152,911	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
65	KBA - Swiss Holding SA Through Koenig & Bauer Banknote Solutions SA Top agencies Treasury (Department of the Treasury)	$362,041,962	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 264 since FY2023.
66	Elbit Systems Ltd 7 awardees, including Elbit Systems of America - Night Vision LLC, Sparton Deleon Springs, LLC and Elbitamerica, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) DLA (Defense Logistics Agency)	$354,612,925	0.1%	Rank history: not on the FY2021 list, #78 in FY2022, #89 in FY2023 and not on the FY2025 list; up 23 since FY2023.
67	Crowley Government Services, Inc. Top agencies DOT (Department of Transportation) DLA (Defense Logistics Agency)	$347,092,969	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
68	Supplycore LLC Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force) DOI (Department of the Interior)	$334,934,533	0.1%	Rank history: not on the FY2021 list, #100 in FY2022, not on the FY2023 list and #53 in FY2025; up 39 since FY2023.
69	Meggitt Aerospace Limited 27 awardees, including Parker-Hannifin Corporation, Lord Corporation and Meggitt Aircraft Braking Systems Corporation Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency) Army (Department of the Army)	$304,530,548	0.1%	Rank history: not on the FY2021–FY2023 lists and #55 in FY2025; new.
70	Asahi Refining USA Inc. Top agencies Treasury (Department of the Treasury)	$302,735,174	0.1%	Rank history: not on the FY2021–FY2023 lists and #65 in FY2025; new.
71	Kongsberg Defence & Aerospace AS Top agencies Army (Department of the Army) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$301,350,654	0.1%	Rank history: not on the FY2021–FY2023 lists and #33 in FY2025; new.
72	Alzchem Trostberg GMBH Top agencies Army (Department of the Army)	$300,000,000	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
73	Alsalam Aerospace Industries Company Top agencies USAF (Department of the Air Force)	$296,982,868	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 128 since FY2023.
74	Intl Fcstone Ltd Through Stonex Financial Ltd Top agencies Treasury (Department of the Treasury)	$296,458,587	0.1%	Rank history: #25 in FY2021, #22 in FY2022, #17 in FY2023 and not on the FY2025 list; down 57 since FY2023.
75	Rolls-Royce Military Aero Engines Ltd 7 awardees, including Rolls-Royce Corporation, Rolls-Royce Solutions America Inc. and Rolls-Royce Marine North America Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DHS (Department of Homeland Security)	$296,024,033	0.1%	Rank history: #20 in FY2021, #28 in FY2022, #28 in FY2023 and not on the FY2025 list; down 47 since FY2023.
76	Sonova Holding AG 3 awardees, including Sonova USA Inc. and Advanced Bionics, LLC Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$291,151,142	0.1%	Rank history: #91 in FY2021, not on the FY2022 list, #91 in FY2023 and not on the FY2025 list; up 15 since FY2023.
77	Marathon Petroleum Company LP Top agencies DLA (Defense Logistics Agency)	$287,727,959	0.1%	Rank history: not on the FY2021–FY2022 lists, #86 in FY2023 and #48 in FY2025; up 9 since FY2023.
78	Science Applications International Corporation 8 awardees, including Asrc Federal Facilities Logistics, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency) Commerce (Department of Commerce)	$286,393,328	0.1%	Rank history: #43 in FY2021, #40 in FY2022, #40 in FY2023 and not on the FY2025 list; down 38 since FY2023.
79	Armtec Defense Products Co. Top agencies Army (Department of the Army)	$281,113,832	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
80	Thomas Scientific LLC 5 awardees, including Vigor Marine LLC, Vigor Works LLC and Chromalloy, S.A. De C.V. Top agencies Navy (Department of the Navy) Army (Department of the Army) USSOCOM (United States Special Operations Command)	$276,437,236	0.1%	Rank history: #53 in FY2021, #56 in FY2022, #51 in FY2023 and not on the FY2025 list; down 29 since FY2023.
81	SRC Inc. 2 awardees, including Srctec, LLC Top agencies Army (Department of the Army) Navy (Department of the Navy) NASA (National Aeronautics and Space Administration)	$275,709,282	0.1%	Rank history: not on the FY2021–FY2022 lists, #46 in FY2023 and not on the FY2025 list; down 35 since FY2023.
82	SIG Sauer Inc. Top agencies Army (Department of the Army) USSOCOM (United States Special Operations Command) DLA (Defense Logistics Agency)	$273,025,848	0.1%	Rank history: not on the FY2021–FY2023 lists and #37 in FY2025; new.
83	Analytic Services Inc. Through Advanced Technology International Top agencies HHS (Department of Health and Human Services)	$270,999,520	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
84	American Ordnance LLC Top agencies Army (Department of the Army)	$266,625,810	0.1%	Rank history: not on the FY2021–FY2022 lists, #41 in FY2023 and not on the FY2025 list; down 43 since FY2023.
85	General Motors Company 4 awardees, including GM Defense LLC Top agencies GSA (General Services Administration) Army (Department of the Army) DHS (Department of Homeland Security)	$257,561,090	0.1%	Rank history: #97 in FY2021, #95 in FY2022, #73 in FY2023 and #71 in FY2025; down 12 since FY2023.
86	Austal Limited Through Austal Usa, LLC Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$257,524,585	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
87	Fleet Vehicle Source Inc. Top agencies GSA (General Services Administration) HHS (Department of Health and Human Services)	$255,512,555	0.1%	Rank history: not on the FY2021 list, #88 in FY2022, #49 in FY2023 and #59 in FY2025; down 38 since FY2023.
88	Conco, Inc. Top agencies Army (Department of the Army)	$247,278,175	0.1%	Rank history: not on the FY2021–FY2022 lists, #82 in FY2023 and not on the FY2025 list; down 6 since FY2023.
89	The Day & Zimmermann Group, Inc. 2 awardees, including American Ordnance LLC Top agencies Army (Department of the Army)	$246,236,337	0.1%	Rank history: not on the FY2021–FY2022 lists, #60 in FY2023 and not on the FY2025 list; down 29 since FY2023.
90	Vitol Netherlands Cooperatief U.a. 2 awardees, including Vitol Aviation Co and Vitol Inc. Top agencies DLA (Defense Logistics Agency)	$243,206,272	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 126 since FY2023.
91	Aerovironment, Inc. 2 awardees Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$242,592,903	0.1%	Rank history: not on the FY2021–FY2023 lists and #44 in FY2025; new.
92	Global Food Services Company Top agencies DLA (Defense Logistics Agency)	$242,129,548	0.1%	Rank history: #89 in FY2021, #92 in FY2022, not on the FY2023 list and #81 in FY2025; up 12 since FY2023.
93	Siemens Corporation 5 awardees, including Siemens Medical Solutions Usa, Inc., Varian Medical Systems, Inc. and Siemens Healthcare Diagnostics Inc. Top agencies VA (Department of Veterans Affairs) DLA (Defense Logistics Agency) HHS (Department of Health and Human Services)	$241,607,510	0.1%	Rank history: not on the FY2021–FY2023 lists and #94 in FY2025; new.
94	Tyson Foods Inc. 3 awardees, including Tyson Fresh Meats Inc. Top agencies USDA (Department of Agriculture)	$238,755,021	0.1%	Rank history: not on the FY2021 list, #86 in FY2022, #95 in FY2023 and #92 in FY2025; up 1 since FY2023.
95	A-Mark Precious Metals, Inc. 2 awardees, including AMO Sales and Service, Inc. Top agencies Treasury (Department of the Treasury) DHA (Defense Health Agency)	$234,832,481	0.1%	Rank history: not on the FY2021–FY2023 lists and #99 in FY2025; new.
96	American Rheinmetall Vehicles LLC 5 awardees, including American Rheinmetall Munition Inc., Rheinmetall Waffe Munition GMBH and American Rheinmetall Systems LLC Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$232,776,612	0.1%	Rank history: not on the FY2021–FY2023 lists and #96 in FY2025; up 17 since FY2023.
97	CAE Inc. 5 awardees, including CAE USA Inc., CAE USA Mission Solutions Inc. and Elevate Healthcare, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$231,730,292	0.1%	Rank history: not on the FY2021 list, #93 in FY2022, not on the FY2023 list and not on the FY2025 list; up 22 since FY2023.
98	Perimeter Solutions LP Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$223,685,520	0.1%	Rank history: not on the FY2021–FY2023 lists and #70 in FY2025; new.
99	LOC Performance Products LLC Top agencies Army (Department of the Army) DLA (Defense Logistics Agency)	$223,456,279	0.1%	Rank history: #94 in FY2021, not on the FY2022–FY2023 lists and #60 in FY2025; up 65 since FY2023.
100	Bavarian Nordic A / S Top agencies HHS (Department of Health and Human Services)	$222,920,840	0.1%	Rank history: not on the FY2021 list, #72 in FY2022, not on the FY2023 list and not on the FY2025 list; up 69 since FY2023.

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100 of 26,041 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 31-33

Code	Net obligations	Largest contractor
336 Transportation Equipment Manufacturing	$148,036,480,894	Lockheed Martin Corporation
334 Computer and Electronic Product Manufacturing	$40,577,450,266	RTX Corporation
332 Fabricated Metal Product Manufacturing	$22,852,050,423	Bechtel Corp
325 Chemical Manufacturing	$18,639,149,965	McKesson Corporation
324 Petroleum and Coal Products Manufacturing	$11,968,216,869	Okinawa Idemitsu K.K.
311 Food Manufacturing	$8,155,029,845	US Foods Inc
339 Miscellaneous Manufacturing	$7,892,072,613	Atlantic Diving Supply, Inc.
333 Machinery Manufacturing	$7,214,291,018	Caterpillar Inc.
331 Primary Metal Manufacturing	$2,448,213,686	Stonex Financial Ltd
335 Electrical Equipment, Appliance, and Component Manufacturing	$2,151,008,839	Science Applications International Corporation
315 Apparel Manufacturing	$1,832,655,674	Readyone Industries Inc.
337 Furniture and Related Product Manufacturing	$1,039,858,067	SDV Office Systems LLC
314 Textile Product Mills	$592,637,329	Fibrotex USA Inc.
326 Plastics and Rubber Products Manufacturing	$506,689,050	Oshkosh Corporation
322 Paper Manufacturing	$399,338,004	Crane Co.
321 Wood Product Manufacturing	$259,903,234	Dynamic Group, LLC
327 Nonmetallic Mineral Product Manufacturing	$225,031,917	A.M.S. Network LLC
313 Textile Mills	$179,366,666	3M Company
316 Leather and Allied Product Manufacturing	$123,884,742	Belleville Shoe Manufacturing Company
323 Printing and Related Support Activities	$51,495,034	Xerox Corporation
312 Beverage and Tobacco Product Manufacturing	$28,591,131	Ready America Inc.

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 $287 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 2024 ran Oct 1, 2023 – Sep 30, 2024. 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 FY2023. "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 FY2023 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 31-33 contractors in FY2024?

1. Lockheed Martin Corporation ($45B), 2. RTX Corporation ($24.4B), 3. The Boeing Company ($22.4B), 4. Northrop Grumman Corporation ($12.2B), 5. General Dynamics Corporation ($11.2B), 6. McKesson Corporation ($8.29B), 7. Huntington Ingalls Industries, Inc. ($7.7B), 8. BAE Systems ($7.57B), 9. L3Harris Technologies, Inc. ($6.03B), 10. Cencora, Inc. ($2.94B).

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