Top 100 Department of the Army Contractors, FY2025

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Lockheed Martin Corporation 21 awardees, including Sikorsky Aircraft Corporation, Lockheed Martin Global, Inc. and Lockheed Martin Sippican, Inc. Top NAICS codes 336414 Guided Missile and Space Vehicle Manufacturing 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing 336411 Aircraft Manufacturing	$21,159,931,658	13.3%	Rank history: #2 in FY2021, #2 in FY2022, #1 in FY2023 and #1 in FY2024; unchanged since FY2024.
2	RTX Corporation 44 awardees, including Raytheon Company, Rockwell Collins, Inc. and Range Generation Next LLC Top NAICS codes 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 336414 Guided Missile and Space Vehicle Manufacturing 336419 Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing	$8,883,152,170	5.6%	Rank history: #6 in FY2021, #4 in FY2022, #2 in FY2023 and #2 in FY2024; unchanged since FY2024.
3	General Dynamics Corporation 32 awardees, including General Dynamics Land Systems Inc., General Dynamics Ordnance and Tactical Systems, Inc. and General Dynamics OTS (Wilkes Barre), LLC Top NAICS codes 332993 Ammunition (except Small Arms) Manufacturing 336992 Military Armored Vehicle, Tank, and Tank Component Manufacturing 336419 Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing	$6,953,293,709	4.4%	Rank history: #5 in FY2021, #3 in FY2022, #3 in FY2023 and #3 in FY2024; unchanged since FY2024.
4	BAE Systems 20 awardees, including BAE Systems Land & Armaments L.P., BAE Systems Information and Electronic Systems Integration Inc. and BAE Systems Ordnance Systems Inc. Top NAICS codes 336992 Military Armored Vehicle, Tank, and Tank Component Manufacturing 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 541330 Engineering Services	$4,266,445,792	2.7%	Rank history: #17 in FY2021, #12 in FY2022, #4 in FY2023 and #4 in FY2024; unchanged since FY2024.
5	L3Harris Technologies, Inc. 26 awardees, including L3Harris Global Communications, Inc., L3Harris Fuzing and Ordnance Systems, Inc. and L3 Technologies, Inc. Top NAICS codes 334290 Other Communications Equipment Manufacturing 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 332993 Ammunition (except Small Arms) Manufacturing	$3,183,691,945	2.0%	Rank history: #13 in FY2021, #8 in FY2022, #7 in FY2023 and #6 in FY2024; up 1 since FY2024.
6	Northrop Grumman Corporation 25 awardees, including Northrop Grumman Systems Corporation and Alliant Techsystems Operations LLC Top NAICS codes 336414 Guided Missile and Space Vehicle Manufacturing 332993 Ammunition (except Small Arms) Manufacturing 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing	$3,058,326,228	1.9%	Rank history: #9 in FY2021, #7 in FY2022, #8 in FY2023 and #5 in FY2024; down 1 since FY2024.
7	Leidos Holdings, Inc. 15 awardees, including Dynetics, Inc., Leidos, Inc. and Aranea Solutions Inc. Top NAICS codes 336414 Guided Missile and Space Vehicle Manufacturing 336419 Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing 541330 Engineering Services	$2,342,631,828	1.5%	Rank history: #14 in FY2021, #28 in FY2022, #24 in FY2023 and #14 in FY2024; up 7 since FY2024.
8	Amentum Holdings, Inc. 12 awardees, including Amentum Services, Inc., Amentum Parsons Logistics Services LLC and Dyncorp International LLC Top NAICS codes 561210 Facilities Support Services 488190 Other Support Activities for Air Transportation 811111 General Automotive Repair	$2,332,209,833	1.5%	Rank history: not on the FY2021–FY2024 lists; up 103 since FY2024.
9	V2X, Inc. 6 awardees, including V2X Systems LLC, V2X Aerospace LLC and Vectrus Federal Services GMBH Top NAICS codes 561210 Facilities Support Services 541330 Engineering Services 811213 Communication Equipment Repair and Maintenance	$2,239,239,406	1.4%	Rank history: not on the FY2021–FY2023 lists and #8 in FY2024; down 1 since FY2024.
10	Canadian Commercial Corporation Top NAICS codes 325920 Explosives Manufacturing 336992 Military Armored Vehicle, Tank, and Tank Component Manufacturing 332993 Ammunition (except Small Arms) Manufacturing	$2,110,708,731	1.3%	Rank history: not on the FY2021–FY2023 lists and #16 in FY2024; up 6 since FY2024.
11	Oshkosh Corporation 2 awardees, including Oshkosh Defense LLC and Pratt & Miller Engineering & Fabrication, LLC Top NAICS codes 336212 Truck Trailer Manufacturing 336120 Heavy Duty Truck Manufacturing 336992 Military Armored Vehicle, Tank, and Tank Component Manufacturing	$1,993,124,971	1.3%	Rank history: #8 in FY2021, #19 in FY2022, #9 in FY2023 and #9 in FY2024; down 2 since FY2024.
12	Ashbritt Inc. Top NAICS codes 562119 Other Waste Collection 562111 Solid Waste Collection	$1,830,121,525	1.2%	Rank history: not on the FY2021–FY2024 lists; new.
13	Raytheon / Lockheed Martin Javelin JV Top NAICS codes 336414 Guided Missile and Space Vehicle Manufacturing 541330 Engineering Services	$1,802,913,996	1.1%	Rank history: not on the FY2021–FY2023 lists and #17 in FY2024; up 4 since FY2024.
14	ECC Constructors LLC Top NAICS codes 562119 Other Waste Collection 562211 Hazardous Waste Treatment and Disposal	$1,789,168,410	1.1%	Rank history: not on the FY2021–FY2024 lists; up 310 since FY2024.
15	General Electric Company 11 awardees, including GE Renewables US LLC, GE Aviation Systems LLC and Innoveering LLC Top NAICS codes 336412 Aircraft Engine and Engine Parts Manufacturing 237990 Other Heavy and Civil Engineering Construction 561990 All Other Support Services	$1,744,448,071	1.1%	Rank history: #24 in FY2021, #33 in FY2022, #25 in FY2023 and #45 in FY2024; up 30 since FY2024.
16	Textron Inc. 6 awardees, including Bell Textron Inc., Textron Systems Corp and Textron Aviation Inc. Top NAICS codes 336411 Aircraft Manufacturing 336992 Military Armored Vehicle, Tank, and Tank Component Manufacturing 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing	$1,627,903,327	1.0%	Rank history: #31 in FY2021, #42 in FY2022, #20 in FY2023 and #18 in FY2024; up 2 since FY2024.
17	CACI International Inc. 10 awardees, including Caci Technologies, LLC, Caci, Inc. - Federal and Caci Nss, LLC Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541330 Engineering Services 541512 Computer Systems Design Services	$1,603,508,712	1.0%	Rank history: #20 in FY2021, #21 in FY2022, #17 in FY2023 and #24 in FY2024; up 7 since FY2024.
18	Advanced Technology International	$1,512,757,571	1.0%	Rank history: not on the FY2021–FY2023 lists and #22 in FY2024; up 4 since FY2024.
19	The Boeing Company 18 awardees, including Boeing Aerospace Operations, Inc., Tapestry Solutions, Inc. and Jeppesen Foreflight, Inc. Top NAICS codes 336411 Aircraft Manufacturing 336412 Aircraft Engine and Engine Parts Manufacturing 541330 Engineering Services	$1,468,846,193	0.9%	Rank history: #12 in FY2021, #16 in FY2022, #5 in FY2023 and #7 in FY2024; down 12 since FY2024.
20	Tcom, L.P. Top NAICS codes 541330 Engineering Services 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing	$1,399,399,521	0.9%	Rank history: #25 in FY2021, #34 in FY2022 and not on the FY2023–FY2024 lists; up 90 since FY2024.
21	Leonardo S.p.A. 9 awardees, including DRS Network & Imaging Systems LLC, DRS Sustainment Systems, Inc. and DRS Advanced ISR LLC Top NAICS codes 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334412 Bare Printed Circuit Board Manufacturing 333314 Optical Instrument and Lens Manufacturing	$1,346,296,965	0.8%	Rank history: #26 in FY2021, #30 in FY2022, #16 in FY2023 and #19 in FY2024; down 2 since FY2024.
22	MSM Group North America Inc. Top NAICS codes 332993 Ammunition (except Small Arms) Manufacturing	$1,270,400,000	0.8%	Rank history: not on the FY2021–FY2024 lists; new.
23	Global Military Products Inc. Top NAICS codes 332993 Ammunition (except Small Arms) Manufacturing	$1,210,615,300	0.8%	Rank history: not on the FY2021–FY2023 lists and #37 in FY2024; up 14 since FY2024.
24	Am General LLC Top NAICS codes 336212 Truck Trailer Manufacturing 336992 Military Armored Vehicle, Tank, and Tank Component Manufacturing	$1,160,154,538	0.7%	Rank history: #38 in FY2021, #26 in FY2022, #14 in FY2023 and #15 in FY2024; down 9 since FY2024.
25	Science Applications International Corporation 2 awardees Top NAICS codes 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) 541330 Engineering Services 541512 Computer Systems Design Services	$1,051,883,593	0.7%	Rank history: #18 in FY2021, #18 in FY2022, #19 in FY2023 and #21 in FY2024; down 4 since FY2024.
26	KBR Wyle Services LLC 5 awardees, including KBR Services, LLC Top NAICS codes 561210 Facilities Support Services 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 611512 Flight Training	$1,044,976,717	0.7%	Rank history: not on the FY2021–FY2023 lists and #10 in FY2024; down 16 since FY2024.
27	Olin Corporation 2 awardees, including Olin Winchester LLC Top NAICS codes 332992 Small Arms Ammunition Manufacturing	$1,028,806,024	0.6%	Rank history: not on the FY2021 list, #40 in FY2022, #37 in FY2023 and #12 in FY2024; down 15 since FY2024.
28	Booz Allen Hamilton Holding Corporation 2 awardees, including Booz Allen Hamilton Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541990 All Other Professional, Scientific, and Technical Services 541330 Engineering Services	$1,005,374,498	0.6%	Rank history: #19 in FY2021, #22 in FY2022, #21 in FY2023 and #20 in FY2024; down 8 since FY2024.
29	Honeywell International Inc. 13 awardees, including Honeywell Federal Manufacturing & Technologies, LLC and Honeywell Building Solutions GMBH Top NAICS codes 336992 Military Armored Vehicle, Tank, and Tank Component Manufacturing 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 541330 Engineering Services	$926,085,024	0.6%	Rank history: #35 in FY2021, #25 in FY2022, #22 in FY2023 and #13 in FY2024; down 16 since FY2024.
30	National Presto Industries Inc. Through Amtec Corporation Top NAICS codes 332993 Ammunition (except Small Arms) Manufacturing	$802,191,609	0.5%	Rank history: not on the FY2021–FY2023 lists and #23 in FY2024; down 7 since FY2024.
31	SIG Sauer Inc. Top NAICS codes 332994 Small Arms, Ordnance, and Ordnance Accessories Manufacturing 332992 Small Arms Ammunition Manufacturing	$722,427,400	0.5%	Rank history: not on the FY2021–FY2023 lists and #65 in FY2024; up 34 since FY2024.
32	Peter Kiewit Sons', Inc. 4 awardees, including Kiewit US Contractors Co, Weeks Marine, Inc. and Kiewit Infrastructure South Co Top NAICS codes 237990 Other Heavy and Civil Engineering Construction 237310 Highway, Street, and Bridge Construction	$677,116,068	0.4%	Rank history: #66 in FY2021, not on the FY2022 list, #50 in FY2023 and #28 in FY2024; down 4 since FY2024.
33	Defense Systems and Solutions Top NAICS codes 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing	$674,870,880	0.4%	Rank history: #37 in FY2021, #52 in FY2022, #33 in FY2023 and #30 in FY2024; down 3 since FY2024.
34	Paligen Aerospace & Defense, LLC Top NAICS codes 325920 Explosives Manufacturing	$652,500,000	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
35	Dell Technologies Inc. 2 awardees, including Dell Marketing L.P. and Dell Federal Systems L.P Top NAICS codes 511210 Software Publishers 334111 Electronic Computer Manufacturing 513210 Software Publishers	$633,432,909	0.4%	Rank history: not on the FY2021–FY2023 lists and #39 in FY2024; up 4 since FY2024.
36	Leach International Corp 6 awardees, including Armtec Defense Products Co., Airborne Systems North America of CA Inc. and King Nutronics Corporation Top NAICS codes 332993 Ammunition (except Small Arms) Manufacturing 314999 All Other Miscellaneous Textile Product Mills 334513 Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables	$608,297,168	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
37	General Atomics Aeronautical Systems, Inc. Top NAICS codes 336411 Aircraft Manufacturing 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing	$604,610,168	0.4%	Rank history: not on the FY2021–FY2023 lists and #38 in FY2024; up 1 since FY2024.
38	Aerovironment, Inc. 4 awardees, including Bluehalo LLC Top NAICS codes 336411 Aircraft Manufacturing 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$575,277,639	0.4%	Rank history: not on the FY2021–FY2023 lists and #73 in FY2024; up 35 since FY2024.
39	M1 Support Services, L.P. Top NAICS codes 488190 Other Support Activities for Air Transportation	$552,979,699	0.3%	Rank history: #30 in FY2021, #35 in FY2022, #34 in FY2023 and #31 in FY2024; down 8 since FY2024.
40	Huntington Ingalls Industries, Inc. 4 awardees, including HII Mission Technologies Corp, Enlighten It Consulting LLC and HII Fleet Support Group LLC Top NAICS codes 541990 All Other Professional, Scientific, and Technical Services 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 334111 Electronic Computer Manufacturing	$533,995,628	0.3%	Rank history: not on the FY2021–FY2023 lists and #41 in FY2024; up 1 since FY2024.
41	Carahsoft Technology Corp Top NAICS codes 541511 Custom Computer Programming Services 513210 Software Publishers 511210 Software Publishers	$487,955,077	0.3%	Rank history: not on the FY2021–FY2022 lists, #91 in FY2023 and #62 in FY2024; up 21 since FY2024.
42	Accenture Federal Services LLC 3 awardees, including ASM Research, LLC Top NAICS codes 541512 Computer Systems Design Services 541519 Other Computer Related Services 541611 Administrative Management and General Management Consulting Services	$463,051,641	0.3%	Rank history: not on the FY2021–FY2023 lists and #34 in FY2024; down 8 since FY2024.
43	Tomer - A Government-Owned Company Ltd Top NAICS codes 332993 Ammunition (except Small Arms) Manufacturing	$421,025,760	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
44	Kiewit Infrastructure West Co. Top NAICS codes 237990 Other Heavy and Civil Engineering Construction 237310 Highway, Street, and Bridge Construction	$420,042,405	0.3%	Rank history: not on the FY2021–FY2024 lists; up 264 since FY2024.
45	JBW Group LLC Top NAICS codes 562119 Other Waste Collection 236220 Commercial and Institutional Building Construction 541990 All Other Professional, Scientific, and Technical Services	$394,874,283	0.2%	Rank history: not on the FY2021–FY2024 lists; up 193 since FY2024.
46	DDB Chicago Inc. Top NAICS codes 541810 Advertising Agencies	$390,942,182	0.2%	Rank history: not on the FY2021–FY2023 lists and #71 in FY2024; up 25 since FY2024.
47	LOC Performance Products LLC Top NAICS codes 336992 Military Armored Vehicle, Tank, and Tank Component Manufacturing 336414 Guided Missile and Space Vehicle Manufacturing 336330 Motor Vehicle Steering and Suspension Components (except Spring) Manufacturing	$374,499,324	0.2%	Rank history: #60 in FY2021, #93 in FY2022, not on the FY2023 list and #81 in FY2024; up 34 since FY2024.
48	Peraton Inc. 2 awardees, including Peraton Enterprise Solutions LLC Top NAICS codes 541330 Engineering Services 541512 Computer Systems Design Services 541519 Other Computer Related Services	$365,395,021	0.2%	Rank history: not on the FY2021–FY2023 lists and #55 in FY2024; up 7 since FY2024.
49	Torch Technologies Inc. Top NAICS codes 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) 541330 Engineering Services 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$365,203,687	0.2%	Rank history: #34 in FY2021, #46 in FY2022, #52 in FY2023 and #51 in FY2024; up 2 since FY2024.
50	Parsons Corporation 6 awardees, including Parsons Government Services Inc., Ptsi Managed Services Inc. and Xator LLC Top NAICS codes 236210 Industrial Building Construction 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541512 Computer Systems Design Services	$357,283,566	0.2%	Rank history: #40 in FY2021, #73 in FY2022, #46 in FY2023 and #75 in FY2024; up 25 since FY2024.
51	Palantir Technologies Inc. 2 awardees, including Palantir USG Inc. Top NAICS codes 511210 Software Publishers 513210 Software Publishers 541511 Custom Computer Programming Services	$354,883,814	0.2%	Rank history: not on the FY2021–FY2024 lists; up 95 since FY2024.
52	IMT Defense Corp Top NAICS codes 332993 Ammunition (except Small Arms) Manufacturing	$352,903,852	0.2%	Rank history: not on the FY2021–FY2022 lists, #26 in FY2023 and #92 in FY2024; up 40 since FY2024.
53	American Ordnance LLC Top NAICS codes 332993 Ammunition (except Small Arms) Manufacturing 561210 Facilities Support Services	$346,906,916	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
54	GDC Middle East Company Top NAICS codes 488190 Other Support Activities for Air Transportation	$343,391,129	0.2%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2024; down 11 since FY2024.
55	Great Lakes Dredge & Dock Corporation Top NAICS codes 237990 Other Heavy and Civil Engineering Construction	$336,601,883	0.2%	Rank history: #27 in FY2021, #49 in FY2022, #36 in FY2023 and #29 in FY2024; down 26 since FY2024.
56	Deloitte 3 awardees, including Deloitte Consulting LLP, Deloitte & Touche LLP and Deloitte Financial Advisory Services LLP Top NAICS codes 541512 Computer Systems Design Services 541519 Other Computer Related Services 541611 Administrative Management and General Management Consulting Services	$334,824,953	0.2%	Rank history: not on the FY2021–FY2023 lists and #77 in FY2024; up 21 since FY2024.
57	Cummins Inc. Top NAICS codes 333618 Other Engine Equipment Manufacturing	$308,574,608	0.2%	Rank history: #85 in FY2021, #92 in FY2022, #74 in FY2023 and not on the FY2024 list; up 46 since FY2024.
58	GM Defense LLC Top NAICS codes 336112 Light Truck and Utility Vehicle Manufacturing 336992 Military Armored Vehicle, Tank, and Tank Component Manufacturing	$303,226,770	0.2%	Rank history: not on the FY2021–FY2024 lists; up 297 since FY2024.
59	Bering Straits Global Innovations, LLC Top NAICS codes 562998 All Other Miscellaneous Waste Management Services 236220 Commercial and Institutional Building Construction 562119 Other Waste Collection	$302,061,238	0.2%	Rank history: not on the FY2021–FY2024 lists; up 333 since FY2024.
60	Airbus US Space & Defense Inc. Top NAICS codes 488190 Other Support Activities for Air Transportation	$300,684,532	0.2%	Rank history: not on the FY2021–FY2024 lists; up 42 since FY2024.
61	Bechtel Parsons Blue Grass, A Joint Venture Top NAICS codes 562211 Hazardous Waste Treatment and Disposal	$289,456,116	0.2%	Rank history: not on the FY2021–FY2023 lists and #49 in FY2024; down 12 since FY2024.
62	Tully Construction Co - Thalle Construction Co LLC Through Thalle Construction Co Inc. Top NAICS codes 237990 Other Heavy and Civil Engineering Construction	$285,409,849	0.2%	Rank history: not on the FY2021–FY2023 lists and #52 in FY2024; down 10 since FY2024.
63	ManTech International Corporation 4 awardees, including Mantech Advanced Systems International, Inc., Unison Software Inc. and Standard Aero (Alliance) Inc. Top NAICS codes 488999 All Other Support Activities for Transportation 541512 Computer Systems Design Services 541330 Engineering Services	$281,774,107	0.2%	Rank history: not on the FY2021–FY2023 lists and #72 in FY2024; up 9 since FY2024.
64	Renk America LLC Top NAICS codes 336350 Motor Vehicle Transmission and Power Train Parts Manufacturing 333618 Other Engine Equipment Manufacturing 334418 Printed Circuit Assembly (Electronic Assembly) Manufacturing	$281,299,513	0.2%	Rank history: not on the FY2021–FY2023 lists and #97 in FY2024; up 33 since FY2024.
65	Allison Transmission Holdings Inc. Through Allison Transmission Inc. Top NAICS codes 333613 Mechanical Power Transmission Equipment Manufacturing	$279,866,814	0.2%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2023 and not on the FY2024 list; returned.
66	World Wide Technology LLC Top NAICS codes 541519 Other Computer Related Services 511210 Software Publishers 334111 Electronic Computer Manufacturing	$271,679,930	0.2%	Rank history: not on the FY2021–FY2022 lists, #82 in FY2023 and #74 in FY2024; up 8 since FY2024.
67	Longbow LLC Top NAICS codes 336411 Aircraft Manufacturing 541330 Engineering Services 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing	$269,797,446	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
68	Clark Construction Group LLC Top NAICS codes 236220 Commercial and Institutional Building Construction	$269,038,463	0.2%	Rank history: not on the FY2021–FY2023 lists and #80 in FY2024; up 12 since FY2024.
69	Acquisition Logistics LLC Top NAICS codes 541614 Process, Physical Distribution, and Logistics Consulting Services	$264,025,041	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
70	Saab Inc. Top NAICS codes 332993 Ammunition (except Small Arms) Manufacturing 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing	$255,390,686	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
71	BAE Systems Land & Armaments L.P. Top NAICS codes 541330 Engineering Services	$253,659,606	0.2%	Rank history: not on the FY2021–FY2023 lists and #85 in FY2024; up 14 since FY2024.
72	DCS Corporation Top NAICS codes 541330 Engineering Services 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$244,511,923	0.2%	Rank history: #67 in FY2021, #81 in FY2022, #84 in FY2023 and #86 in FY2024; up 14 since FY2024.
73	Harper Construction Company Inc. Top NAICS codes 236220 Commercial and Institutional Building Construction	$239,271,651	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
74	Bechtel Corp Through Bechtel National, Inc. Top NAICS codes 562211 Hazardous Waste Treatment and Disposal	$237,713,874	0.1%	Rank history: #22 in FY2021, #24 in FY2022, #23 in FY2023 and #33 in FY2024; down 41 since FY2024.
75	Foreign Utility Consolidated Reporting Top NAICS codes 221122 Electric Power Distribution 926130 Regulation and Administration of Communications, Electric, Gas, and Other Utilities 221330 Steam and Air-Conditioning Supply	$233,853,282	0.1%	Rank history: #79 in FY2021, #66 in FY2022, #72 in FY2023 and #87 in FY2024; up 12 since FY2024.
76	Simulation Technologies Inc Top NAICS codes 336419 Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing 333415 Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$231,621,697	0.1%	Rank history: not on the FY2021–FY2024 lists; up 54 since FY2024.
77	J & J Maintenance Inc. Top NAICS codes 236220 Commercial and Institutional Building Construction 561210 Facilities Support Services 561720 Janitorial Services	$230,668,479	0.1%	Rank history: not on the FY2021–FY2023 lists and #88 in FY2024; up 11 since FY2024.
78	Valero Energy Corporation Through Valero Marketing and Supply Co Top NAICS codes 324110 Petroleum Refineries	$226,300,200	0.1%	Rank history: #50 in FY2021, #27 in FY2022, #35 in FY2023 and #48 in FY2024; down 30 since FY2024.
79	ACC Construction Co., Inc. Top NAICS codes 236220 Commercial and Institutional Building Construction	$221,048,142	0.1%	Rank history: not on the FY2021–FY2024 lists; up 336 since FY2024.
80	Loyalty Support Services Top NAICS codes 561210 Facilities Support Services 561720 Janitorial Services 221310 Water Supply and Irrigation Systems	$220,849,408	0.1%	Rank history: not on the FY2021–FY2024 lists; up 72 since FY2024.
81	Intrepid LLC Top NAICS codes 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)	$219,788,330	0.1%	Rank history: not on the FY2021–FY2023 lists and #82 in FY2024; up 1 since FY2024.
82	Manson Construction Co Top NAICS codes 237990 Other Heavy and Civil Engineering Construction	$217,246,097	0.1%	Rank history: not on the FY2021–FY2023 lists and #99 in FY2024; up 17 since FY2024.
83	Trace Systems, Inc. Top NAICS codes 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 561110 Office Administrative Services 517410 Satellite Telecommunications	$215,923,418	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
84	Intuitive Research and Technology Corporation Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) 336419 Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing	$207,782,943	0.1%	Rank history: not on the FY2021–FY2024 lists; up 150 since FY2024.
85	Amber Infrastructure LLC 5 awardees, including City Light & Power Jblm LLC, City Light & Power Aberdeen, LLC and City Light & Power Ftr, LLC Top NAICS codes 237130 Power and Communication Line and Related Structures Construction 221122 Electric Power Distribution	$205,862,659	0.1%	Rank history: not on the FY2021–FY2024 lists; up 108 since FY2024.
86	Day & Zimmermann Lone Star LLC Top NAICS codes 332993 Ammunition (except Small Arms) Manufacturing 325998 All Other Miscellaneous Chemical Product and Preparation Manufacturing	$203,469,425	0.1%	Rank history: not on the FY2021–FY2024 lists; up 218 since FY2024.
87	American Rheinmetall Vehicles LLC Top NAICS codes 336992 Military Armored Vehicle, Tank, and Tank Component Manufacturing	$203,434,608	0.1%	Rank history: not on the FY2021–FY2022 lists, #86 in FY2023 and #78 in FY2024; down 9 since FY2024.
88	The Mitre Corporation Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) 541618 Other Management Consulting Services	$197,197,407	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
89	Johnson Controls Building Automation Systems, LLC Top NAICS codes 541512 Computer Systems Design Services	$196,964,188	0.1%	Rank history: not on the FY2021–FY2024 lists; up 19 since FY2024.
90	Hensel Phelps Construction Co 6 awardees Top NAICS codes 236220 Commercial and Institutional Building Construction	$196,274,062	0.1%	Rank history: #23 in FY2021, #77 in FY2022, #71 in FY2023 and not on the FY2024 list; returned.
91	Elbit Systems of America - Night Vision LLC Top NAICS codes 333310 Commercial and Service Industry Machinery Manufacturing 334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 333314 Optical Instrument and Lens Manufacturing	$194,886,224	0.1%	Rank history: not on the FY2021–FY2024 lists; up 276 since FY2024.
92	Barnard Construction Company, Incorporated Top NAICS codes 237990 Other Heavy and Civil Engineering Construction	$191,454,902	0.1%	Rank history: not on the FY2021 list, #99 in FY2022 and not on the FY2023–FY2024 lists; returned.
93	Fairwinds Technologies LLC Top NAICS codes 334419 Other Electronic Component Manufacturing 334220 Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 541519 Other Computer Related Services	$190,695,342	0.1%	Rank history: not on the FY2021–FY2022 lists, #100 in FY2023 and not on the FY2024 list; up 11 since FY2024.
94	Jacobs Government Services Company 18 awardees, including Ch2M Hill Constructors, Inc., JE Architects / Engineers, P.C. and Jacobs Engineering Group Inc. Top NAICS codes 541330 Engineering Services 221310 Water Supply and Irrigation Systems 541310 Architectural Services	$190,656,344	0.1%	Rank history: not on the FY2021–FY2023 lists and #76 in FY2024; down 18 since FY2024.
95	Arctic Slope Regional Corporation 16 awardees, including Agile Decision Sciences, LLC, Asrc Federal Technology Solutions, LLC and Asrc Federal Advanced Research, LLC Top NAICS codes 541330 Engineering Services 541511 Custom Computer Programming Services 237990 Other Heavy and Civil Engineering Construction	$179,587,259	0.1%	Rank history: not on the FY2021–FY2023 lists and #93 in FY2024; down 2 since FY2024.
96	Olin Winchester, LLC Top NAICS codes 332992 Small Arms Ammunition Manufacturing	$179,577,888	0.1%	Rank history: not on the FY2021 list, #90 in FY2022 and not on the FY2023–FY2024 lists; up 25 since FY2024.
97	Trax International Corporation Top NAICS codes 541330 Engineering Services	$178,764,392	0.1%	Rank history: not on the FY2021–FY2024 lists; up 17 since FY2024.
98	Serco Inc 3 awardees Top NAICS codes 541612 Human Resources Consulting Services 541712 Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology) 541330 Engineering Services	$177,560,711	0.1%	Rank history: not on the FY2021–FY2024 lists; up 107 since FY2024.
99	Archer Western Federal JV Top NAICS codes 236220 Commercial and Institutional Building Construction 237990 Other Heavy and Civil Engineering Construction	$173,415,688	0.1%	Rank history: not on the FY2021–FY2024 lists; up 137 since FY2024.
100	Microsoft Corporation Top NAICS codes 541512 Computer Systems Design Services 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services	$171,220,193	0.1%	Rank history: not on the FY2021–FY2024 lists; up 28 since FY2024.

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 $159 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 2025 ran Oct 1, 2024 – Sep 30, 2025. 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 FY2024. "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 FY2024 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.

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