Top 100 Government Contractors, FY2023

Name: Top 100 Government Contractors, FY2023
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

Parent companies by net contract obligations Oct 1, 2022 – Sep 30, 2023

The top 10 won 29% of FY2023 federal contract dollars

Contract obligations: $785,829,810,770 Net of deobligations, by every federal agency
Contractors: About 83,019 Parent companies with an obligation
Largest contractor: Lockheed Martin Corporation $77.3 billion, 9.4% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV · Free to reuse with credit to GovTribe (CC BY 4.0)

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Lockheed Martin Corporation 79 awardees, including Sikorsky Aircraft Corporation Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$77,287,660,163	9.4%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2024 and #1 in FY2025; unchanged since FY2022.
2	RTX Corporation 176 awardees, including Raytheon Company, Raytheon / Lockheed Martin Javelin JV and Rockwell Collins, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$34,478,177,727	4.2%	Rank history: #4 in FY2021, #2 in FY2022, #2 in FY2024 and #3 in FY2025; unchanged since FY2022.
3	General Dynamics Corporation 81 awardees, including Electric Boat Corporation, General Dynamics Information Technology, Inc. and General Dynamics Land Systems Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$28,936,568,715	3.5%	Rank history: #5 in FY2021, #3 in FY2022, #4 in FY2024 and #2 in FY2025; unchanged since FY2022.
4	The Boeing Company 61 awardees Top agencies USAF (Department of the Air Force) Army (Department of the Army) Navy (Department of the Navy)	$24,292,087,866	3.0%	Rank history: #2 in FY2021, #5 in FY2022, #3 in FY2024 and #5 in FY2025; up 1 since FY2022.
5	Northrop Grumman Corporation 109 awardees, including Northrop Grumman Systems Corp Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$16,906,288,554	2.1%	Rank history: #6 in FY2021, #6 in FY2022, #6 in FY2024 and #6 in FY2025; up 1 since FY2022.
6	Optum Public Sector Solutions Inc Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$16,220,323,275	2.0%	Rank history: not on the FY2021 list, #7 in FY2022, #29 in FY2024 and not on the FY2025 list; up 1 since FY2022.
7	Mckesson Corporation 9 awardees, including Mckesson Medical-Surgical Government Solutions LLC, Mckesson Specialty Distribution LLC and Ndchealth Corporation Top agencies VA (Department of Veterans Affairs) DLA (Defense Logistics Agency) HHS (Department of Health and Human Services)	$10,244,770,040	1.2%	Rank history: #7 in FY2021, #8 in FY2022, #13 in FY2024 and #8 in FY2025; up 1 since FY2022.
8	Huntington Ingalls Industries, Inc. 13 awardees, including Huntington Ingalls Incorporated, HII Mission Technologies Corp and HII Fleet Support Group LLC Top agencies Navy (Department of the Navy) OSD (Office of the Secretary of Defense) USAF (Department of the Air Force)	$10,094,082,457	1.2%	Rank history: #15 in FY2021, #15 in FY2022, #8 in FY2024 and #10 in FY2025; up 7 since FY2022.
9	Leidos Holdings, Inc. 43 awardees, including Leidos, Inc., QTC Medical Services Inc. and Leidos Biomedical Research Inc. Top agencies HHS (Department of Health and Human Services) Navy (Department of the Navy) VA (Department of Veterans Affairs)	$9,479,873,072	1.2%	Rank history: #9 in FY2021, #9 in FY2022, #7 in FY2024 and #9 in FY2025; unchanged since FY2022.
10	BAE Systems PLC 47 awardees, including BAE Systems Land & Armaments L.P., BAE Systems Technology Solutions & Services Inc. and BAE Systems Information and Electronic Systems Integration Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$9,217,069,308	1.1%	Rank history: #22 in FY2021, #17 in FY2022, #9 in FY2024 and #12 in FY2025; up 7 since FY2022.
11	L3Harris Technologies, Inc. 98 awardees, including L3Harris Technologies Integrated Systems L.P., L3Harris Global Communications, Inc. and L3 Technologies, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) Navy (Department of the Navy)	$8,824,531,812	1.1%	Rank history: #13 in FY2021, #10 in FY2022, #11 in FY2024 and #11 in FY2025; down 1 since FY2022.
12	Triwest Healthcare Alliance Corp Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$7,984,754,311	1.0%	Rank history: #14 in FY2021, #13 in FY2022, #12 in FY2024 and #7 in FY2025; up 1 since FY2022.
13	Tcfii Valor Buyer LLC 2 awardees, including Humana Government Business Inc. and Valor Healthcare Inc. Top agencies DHA (Defense Health Agency) VA (Department of Veterans Affairs)	$7,894,105,094	1.0%	Rank history: #11 in FY2021, #11 in FY2022, #30 in FY2024 and not on the FY2025 list; down 2 since FY2022.
14	Honeywell International Inc. 51 awardees, including National Technology & Engineering Solutions of Sandia, LLC and Honeywell Federal Manufacturing & Technologies, LLC Top agencies DOE (Department of Energy) USAF (Department of the Air Force) Army (Department of the Army)	$7,763,598,268	0.9%	Rank history: #12 in FY2021, #12 in FY2022, #14 in FY2024 and #13 in FY2025; down 2 since FY2022.
15	Booz Allen Hamilton Holding Corporation 11 awardees, including Booz Allen Hamilton Inc., Liberty It Solutions LLC and Riverside Engineering LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$7,346,727,898	0.9%	Rank history: #16 in FY2021, #14 in FY2022, #10 in FY2024 and #15 in FY2025; down 1 since FY2022.
16	Science Applications International Corporation 24 awardees, including Asrc Federal Facilities Logistics, LLC and Forfeiture Support Associates LLC Top agencies USAF (Department of the Air Force) Army (Department of the Army) Navy (Department of the Navy)	$5,438,041,261	0.7%	Rank history: #20 in FY2021, #18 in FY2022, #18 in FY2024 and #22 in FY2025; up 2 since FY2022.
17	Amentum Services, Inc. 13 awardees, including Washington River Protection Solutions LLC, Central Plateau Cleanup Company, LLC and Dyncorp International LLC Top agencies Army (Department of the Army) DOE (Department of Energy) Navy (Department of the Navy)	$4,772,341,144	0.6%	Rank history: #21 in FY2021, #19 in FY2022, #16 in FY2024 and not on the FY2025 list; up 2 since FY2022.
18	General Electric Company 44 awardees, including GE Precision Healthcare LLC, GE Aviation Systems LLC and GE Renewables US LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$4,657,367,705	0.6%	Rank history: #27 in FY2021, #27 in FY2022, #34 in FY2024 and #24 in FY2025; up 9 since FY2022.
19	Theodor Wille Intertrade GMBH 3 awardees, including Atlantic Diving Supply, Inc. and TWI Usa, LLC Top agencies DLA (Defense Logistics Agency) Army (Department of the Army) USAF (Department of the Air Force)	$4,610,254,542	0.6%	Rank history: #30 in FY2021, #26 in FY2022 and not on the FY2024–FY2025 lists; up 7 since FY2022.
20	Triad National Security LLC 2 awardees Top agencies DOE (Department of Energy) USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$4,578,543,111	0.6%	Rank history: #23 in FY2021, #21 in FY2022, #17 in FY2024 and #21 in FY2025; up 1 since FY2022.
21	Fluor Corporation 10 awardees, including Fluor Marine Propulsion, LLC, Fluor-Bwxt Portsmouth LLC and Fluor Intercontinental, Inc. Top agencies DOE (Department of Energy) Navy (Department of the Navy) Army (Department of the Army)	$4,462,224,328	0.5%	Rank history: #19 in FY2021, #20 in FY2022, #15 in FY2024 and #17 in FY2025; down 1 since FY2022.
22	CACI International Inc. 37 awardees, including Caci, Inc. - Federal, Caci Nss, LLC and Caci Technologies, LLC Top agencies Army (Department of the Army) DHS (Department of Homeland Security) Navy (Department of the Navy)	$4,171,785,774	0.5%	Rank history: #25 in FY2021, #25 in FY2022, #26 in FY2024 and #20 in FY2025; up 3 since FY2022.
23	HP Enterprise Services LLC 21 awardees, including Peraton Inc., Peraton Enterprise Solutions LLC and Peraton Technology Services Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) NASA (National Aeronautics and Space Administration)	$3,749,459,586	0.5%	Rank history: #76 in FY2021, #30 in FY2022 and not on the FY2024–FY2025 lists; up 7 since FY2022.
24	Bechtel Corp 5 awardees, including Bechtel Plant Machinery, Inc., Bechtel National, Inc. and National Aerospace Solutions, LLC Top agencies Navy (Department of the Navy) Army (Department of the Army) DOE (Department of Energy)	$3,598,261,434	0.4%	Rank history: #24 in FY2021, #23 in FY2022, #23 in FY2024 and #29 in FY2025; down 1 since FY2022.
25	Consolidated Nuclear Security, LLC Top agencies DOE (Department of Energy) Navy (Department of the Navy) Army (Department of the Army)	$3,329,130,207	0.4%	Rank history: #33 in FY2021, #22 in FY2022, #24 in FY2024 and #42 in FY2025; down 3 since FY2022.
26	Centene Corporation 4 awardees, including Health Net Federal Services, LLC, Foundation Care LLC and Pantherx Specialty, LLC Top agencies DHA (Defense Health Agency) DOJ (Department of Justice) VA (Department of Veterans Affairs)	$3,301,375,365	0.4%	Rank history: #28 in FY2021, #28 in FY2022, #81 in FY2024 and not on the FY2025 list; up 2 since FY2022.
27	Analytic Services Inc. 5 awardees, including Advanced Technology International, Professional, Acquisition, and Technical Services, Inc. and Innovative Defense Technologies, LLC Top agencies HHS (Department of Health and Human Services) Navy (Department of the Navy) USAF (Department of the Air Force)	$3,180,540,869	0.4%	Rank history: #99 in FY2021, #93 in FY2022, #49 in FY2024 and not on the FY2025 list; up 66 since FY2022.
28	Vectrus Systems Corporation 8 awardees, including V2X Systems LLC, Vectrus Federal Services GMBH and Vectrus Services A / S Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$3,009,612,629	0.4%	Rank history: #43 in FY2021, #50 in FY2022 and not on the FY2024–FY2025 lists; up 22 since FY2022.
29	Dell Federal Systems L.P. 7 awardees, including Dell Marketing L.P., EMC Corporation and Vmware LLC Top agencies Army (Department of the Army) VA (Department of Veterans Affairs) Navy (Department of the Navy)	$3,005,780,147	0.4%	Rank history: #42 in FY2021, #34 in FY2022, #76 in FY2024 and not on the FY2025 list; up 5 since FY2022.
30	Lawrence Livermore National Security, LLC Top agencies DOE (Department of Energy) USAF (Department of the Air Force) Army (Department of the Army)	$2,966,113,090	0.4%	Rank history: #31 in FY2021, #29 in FY2022, #32 in FY2024 and #31 in FY2025; down 1 since FY2022.
31	The Mitre Corporation 3 awardees Top agencies USAF (Department of the Air Force) AAFES (Department of Defense Army and Air Force Exchange Service) OSD (Office of the Secretary of Defense)	$2,920,049,715	0.4%	Rank history: #37 in FY2021, #35 in FY2022, #61 in FY2024 and not on the FY2025 list; up 4 since FY2022.
32	Accenture Inc. 2 awardees, including Accenture Federal Services LLC and ASM Research, LLC Top agencies DOE (Department of Energy) Army (Department of the Army) Treasury (Department of the Treasury)	$2,866,884,212	0.3%	Rank history: not on the FY2021 list, #95 in FY2022 and not on the FY2024–FY2025 lists; up 63 since FY2022.
33	California Institute of Technology 2 awardees Top agencies NASA (National Aeronautics and Space Administration) DARPA (Defense Advanced Research Projects Agency) HHS (Department of Health and Human Services)	$2,812,411,640	0.3%	Rank history: #40 in FY2021, #33 in FY2022, #42 in FY2024 and #45 in FY2025; unchanged since FY2022.
34	Ut-Battelle LLC Top agencies DOE (Department of Energy)	$2,712,833,486	0.3%	Rank history: #41 in FY2021, #36 in FY2022, #37 in FY2024 and #41 in FY2025; up 2 since FY2022.
35	General Atomic Technologies Corporation 7 awardees, including General Atomics Aeronautical Systems, Inc., General Atomics and General Atomics International Services Corp Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$2,544,375,202	0.3%	Rank history: #39 in FY2021, #39 in FY2022, #48 in FY2024 and not on the FY2025 list; up 4 since FY2022.
36	Savannah River Nuclear Solutions LLC Top agencies DOE (Department of Energy) USDA (Department of Agriculture)	$2,539,872,189	0.3%	Rank history: #47 in FY2021, #47 in FY2022 and not on the FY2024–FY2025 lists; up 11 since FY2022.
37	Space Exploration Technologies Corp. 2 awardees Top agencies NASA (National Aeronautics and Space Administration) USAF (Department of the Air Force) DISA (Defense Information Systems Agency)	$2,505,221,899	0.3%	Rank history: #52 in FY2021, #43 in FY2022, #27 in FY2024 and #35 in FY2025; up 6 since FY2022.
38	Oshkosh Corp 6 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)	$2,495,099,728	0.3%	Rank history: #38 in FY2021, #53 in FY2022, #44 in FY2024 and #46 in FY2025; up 15 since FY2022.
39	Deloitte LLP 7 awardees, including Deloitte Consulting LLP, Deloitte & Touche LLP and Deloitte Financial Advisory Services LLP Top agencies HHS (Department of Health and Human Services) USAF (Department of the Air Force) Treasury (Department of the Treasury)	$2,360,556,180	0.3%	Rank history: #32 in FY2021, #41 in FY2022 and not on the FY2024–FY2025 lists; up 2 since FY2022.
40	Jacobs Engineering Group Inc. 47 awardees, including Amentum Technology, Inc., Ch2M Hill, Inc. and Idaho Environmental Coalition LLC Top agencies NASA (National Aeronautics and Space Administration) Army (Department of the Army) MDA (DOD Missile Defense Agency)	$2,326,750,626	0.3%	Rank history: #34 in FY2021, #40 in FY2022 and not on the FY2024–FY2025 lists; unchanged since FY2022.
41	Battelle Memorial Institute 6 awardees, including Battelle Savannah River Alliance, LLC, Battelle National Biodefense Institute, LLC and Seebyte Limited Top agencies DOE (Department of Energy) USAF (Department of the Air Force) HHS (Department of Health and Human Services)	$2,253,369,710	0.3%	Rank history: #26 in FY2021, #24 in FY2022, #31 in FY2024 and #25 in FY2025; down 17 since FY2022.
42	Amerisourcebergen Corporation 3 awardees, including Amerisourcebergen Drug Corp and World Courier Inc. Top agencies DLA (Defense Logistics Agency) HHS (Department of Health and Human Services) DOJ (Department of Justice)	$2,247,756,428	0.3%	Rank history: not on the FY2021–FY2022 lists, #52 in FY2024 and not on the FY2025 list; up 177 since FY2022.
43	Government of the United States 109 awardees, including Uchicago Argonne, LLC, Fermi Research Alliance, LLC and DLA Troop Support Top agencies DOE (Department of Energy) HHS (Department of Health and Human Services) DLA (Defense Logistics Agency)	$2,233,696,581	0.3%	Rank history: #29 in FY2021, #32 in FY2022 and not on the FY2024–FY2025 lists; down 11 since FY2022.
44	KBR Services LLC Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$2,167,655,071	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 228 since FY2022.
45	Cencora, Inc. 4 awardees, including Amerisourcebergen Drug Corp, ASD Specialty Healthcare, LLC and Integrated Commercialization Solutions, LLC Top agencies DLA (Defense Logistics Agency) VA (Department of Veterans Affairs)	$2,119,860,845	0.3%	Rank history: #44 in FY2021, #59 in FY2022, #21 in FY2024 and #16 in FY2025; up 14 since FY2022.
46	The Johns Hopkins University 4 awardees, including The Johns Hopkins University Applied Physics Laboratory LLC and Broadway Services, Incorporated Top agencies Navy (Department of the Navy) NASA (National Aeronautics and Space Administration) USAF (Department of the Air Force)	$2,087,555,680	0.3%	Rank history: #53 in FY2021, #57 in FY2022 and not on the FY2024–FY2025 lists; up 11 since FY2022.
47	Textron Inc. 15 awardees, including Bell Textron Inc., Textron Systems Corporation and Textron Aviation Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$2,034,492,794	0.2%	Rank history: #77 in FY2021, #86 in FY2022, #39 in FY2024 and #30 in FY2025; up 39 since FY2022.
48	Maximus Inc. 9 awardees, including Maximus Federal Services, Inc., Veterans Evaluation Services, Inc. and Maximus Federal Technology Solutions, LLC Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) Treasury (Department of the Treasury)	$1,928,342,282	0.2%	Rank history: #48 in FY2021, #49 in FY2022 and not on the FY2024–FY2025 lists; up 1 since FY2022.
49	Pfizer Inc. 4 awardees, including Meridian Medical Technologies, LLC and Global Blood Therapeutics, Inc. Top agencies Army (Department of the Army) HHS (Department of Health and Human Services) USAID (US Agency for International Development)	$1,881,372,146	0.2%	Rank history: #3 in FY2021, #4 in FY2022 and not on the FY2024–FY2025 lists; down 45 since FY2022.
50	Leonardo S.p.A. 23 awardees, including DRS Network & Imaging Systems LLC, DRS Sustainment Systems, Inc. and Laurel Technologies Partnership Top agencies Army (Department of the Army) Navy (Department of the Navy) USSOCOM (United States Special Operations Command)	$1,807,584,725	0.2%	Rank history: #66 in FY2021, #76 in FY2022, #55 in FY2024 and #48 in FY2025; up 26 since FY2022.
51	Kbr, Inc. 16 awardees, including KBR Wyle Services, LLC, Dependable Global Solutions, LLC and Kord Technologies, LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) NASA (National Aeronautics and Space Administration)	$1,782,299,059	0.2%	Rank history: #18 in FY2021, #16 in FY2022 and not on the FY2024–FY2025 lists; down 35 since FY2022.
52	Idemitsu Kosan Co.,Ltd. Through Okinawa Idemitsu K.K. Top agencies DLA (Defense Logistics Agency)	$1,732,832,853	0.2%	Rank history: not on the FY2021 list, #38 in FY2022 and not on the FY2024–FY2025 lists; down 14 since FY2022.
53	Intl Fcstone Ltd Through Stonex Financial Ltd Top agencies Treasury (Department of the Treasury)	$1,686,335,701	0.2%	Rank history: #71 in FY2021, #55 in FY2022 and not on the FY2024–FY2025 lists; up 2 since FY2022.
54	State of California Controllers Office 48 awardees, including The Regents of the University of California, University of California, San Diego and University of California, LOS Angeles Top agencies DOE (Department of Energy) NASA (National Aeronautics and Space Administration) DHA (Defense Health Agency)	$1,666,121,191	0.2%	Rank history: #55 in FY2021, #58 in FY2022 and not on the FY2024–FY2025 lists; up 4 since FY2022.
55	Am General LLC 4 awardees, including Howden North America Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,593,404,405	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 82 since FY2022.
56	Parsons Corporation 20 awardees, including Parsons Government Services Inc., Ptsi Managed Services Inc. and Space Ground System Solutions, Inc. Top agencies USAF (Department of the Air Force) Army (Department of the Army) MDA (DOD Missile Defense Agency)	$1,529,833,481	0.2%	Rank history: #60 in FY2021, #68 in FY2022, #40 in FY2024 and #44 in FY2025; up 12 since FY2022.
57	Carahsoft Technology Corp Top agencies HHS (Department of Health and Human Services) USAF (Department of the Air Force) Army (Department of the Army)	$1,480,107,522	0.2%	Rank history: #65 in FY2021, #67 in FY2022, #50 in FY2024 and #47 in FY2025; up 10 since FY2022.
58	Government of Canada 5 awardees, including Canadian Commercial Corporation, National Research Council Canada and National Research Council of Canada Top agencies Army (Department of the Army) Navy (Department of the Navy) DLA (Defense Logistics Agency)	$1,479,140,554	0.2%	Rank history: #100 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 49 since FY2022.
59	Battelle Energy Alliance, LLC Top agencies DOE (Department of Energy) USAF (Department of the Air Force)	$1,474,003,009	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
60	Fedex Corp 11 awardees, including Federal Express Corporation, Fedex Supply Chain Distribution System, Inc. and Fedex Custom Critical Inc. Top agencies USAF (Department of the Air Force) VA (Department of Veterans Affairs) OSD (Office of the Secretary of Defense)	$1,448,138,968	0.2%	Rank history: #72 in FY2021, #74 in FY2022, #59 in FY2024 and #86 in FY2025; up 14 since FY2022.
61	Massachusetts Institute of Technology 2 awardees Top agencies USAF (Department of the Air Force) NASA (National Aeronautics and Space Administration) Navy (Department of the Navy)	$1,409,748,124	0.2%	Rank history: #64 in FY2021, #69 in FY2022 and not on the FY2024–FY2025 lists; up 8 since FY2022.
62	Global Ordnance LLC 2 awardees, including Global Military Products Inc. Top agencies Army (Department of the Army) USSOCOM (United States Special Operations Command)	$1,404,785,988	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 118 since FY2022.
63	Sierra Nevada Company, LLC 12 awardees, including Sierra Space Corp and Kutta Technologies, LLC Top agencies USAF (Department of the Air Force) USSOCOM (United States Special Operations Command) Army (Department of the Army)	$1,342,108,911	0.2%	Rank history: #57 in FY2021, #85 in FY2022 and not on the FY2024–FY2025 lists; up 22 since FY2022.
64	Chemonics International, Inc. Top agencies USAID (US Agency for International Development)	$1,316,186,937	0.2%	Rank history: #49 in FY2021, #60 in FY2022, #60 in FY2024 and #73 in FY2025; down 4 since FY2022.
65	Deloitte Consulting LLP 2 awardees Top agencies Treasury (Department of the Treasury) HHS (Department of Health and Human Services) DHS (Department of Homeland Security)	$1,304,227,456	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 73 since FY2022.
66	BP P.L.C. 4 awardees, including BP Products North America Inc., BP Oil International Limited and Air BP Limited Top agencies DLA (Defense Logistics Agency)	$1,299,936,755	0.2%	Rank history: #83 in FY2021, #45 in FY2022, #85 in FY2024 and not on the FY2025 list; down 21 since FY2022.
67	Alion Science and Technology Corporation 6 awardees, including HII Mission Technologies Corp Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$1,298,355,184	0.2%	Rank history: #81 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; up 160 since FY2022.
68	Alliance for Energy Innovation, LLC Top agencies DOE (Department of Energy) USAID (US Agency for International Development) OSD (Office of the Secretary of Defense)	$1,288,629,762	0.2%	Rank history: not on the FY2021–FY2022 lists, #71 in FY2024 and #95 in FY2025; up 37 since FY2022.
69	At&T Inc. 51 awardees, including At&T Enterprises, LLC, Att Mobility LLC and At&T Technical Services Company, Inc. Top agencies VA (Department of Veterans Affairs) DHS (Department of Homeland Security) DOJ (Department of Justice)	$1,284,756,962	0.2%	Rank history: #84 in FY2021, #79 in FY2022 and not on the FY2024–FY2025 lists; up 10 since FY2022.
70	B.l. Harbert Holdings, L.L.C. Through BL Harbert International LLC Top agencies DOS (Department of State) Army (Department of the Army) Navy (Department of the Navy)	$1,280,645,079	0.2%	Rank history: not on the FY2021 list, #54 in FY2022 and not on the FY2024–FY2025 lists; down 16 since FY2022.
71	The Aerospace Corporation Top agencies USAF (Department of the Air Force) NASA (National Aeronautics and Space Administration) DOE (Department of Energy)	$1,272,338,185	0.2%	Rank history: #68 in FY2021, #71 in FY2022, #64 in FY2024 and #64 in FY2025; unchanged since FY2022.
72	Arctic Slope Regional Corporation 25 awardees, including Petro Star Inc., Asrc Communications, Ltd. and Asrc Federal Field Services, LLC Top agencies USAF (Department of the Air Force) DLA (Defense Logistics Agency) DHS (Department of Homeland Security)	$1,234,739,944	0.2%	Rank history: #73 in FY2021, #81 in FY2022, #45 in FY2024 and #37 in FY2025; up 9 since FY2022.
73	Valero Energy Corporation Through Valero Marketing and Supply Co Top agencies DLA (Defense Logistics Agency) Army (Department of the Army)	$1,217,355,482	0.1%	Rank history: not on the FY2021 list, #63 in FY2022, #77 in FY2024 and not on the FY2025 list; down 10 since FY2022.
74	AECOM 49 awardees, including AECOM Technical Services, Inc., JT4 LLC and AECOM International Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$1,191,499,177	0.1%	Rank history: #50 in FY2021, #61 in FY2022 and not on the FY2024–FY2025 lists; down 13 since FY2022.
75	Weston Solutions Holdings, Inc. 5 awardees, including Weston Solutions Inc. Top agencies Army (Department of the Army) DLA (Defense Logistics Agency) EPA (Environmental Protection Agency)	$1,181,636,504	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 355 since FY2022.
76	Rolls-Royce Military Aero Engines Ltd 13 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) Army (Department of the Army)	$1,175,756,748	0.1%	Rank history: #54 in FY2021, #80 in FY2022 and not on the FY2024–FY2025 lists; up 4 since FY2022.
77	United Launch Alliance, L.L.C. 2 awardees, including United Launch Services, LLC Top agencies USAF (Department of the Air Force) NASA (National Aeronautics and Space Administration)	$1,134,766,435	0.1%	Rank history: #82 in FY2021, #70 in FY2022, #54 in FY2024 and not on the FY2025 list; down 7 since FY2022.
78	Noble Supply & Logistics LLC 2 awardees, including Tactical & Survival Specialties, LLC Top agencies DLA (Defense Logistics Agency) GSA (General Services Administration) Army (Department of the Army)	$1,130,384,551	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 90 since FY2022.
79	International Business Machines Corporation 10 awardees, including Merge Healthcare Solutions Inc. Top agencies VA (Department of Veterans Affairs) Navy (Department of the Navy) DHS (Department of Homeland Security)	$1,121,755,290	0.1%	Rank history: #63 in FY2021, #82 in FY2022, #63 in FY2024 and #60 in FY2025; up 3 since FY2022.
80	Deployed Resources LLC Top agencies DHS (Department of Homeland Security)	$1,116,231,185	0.1%	Rank history: not on the FY2021 list, #97 in FY2022, #56 in FY2024 and not on the FY2025 list; up 17 since FY2022.
81	CGI Technologies and Solutions Inc. 4 awardees, including CGI Federal Inc. and Government Secure Solutions CGI Inc. Top agencies DOS (Department of State) DHS (Department of Homeland Security) DOJ (Department of Justice)	$1,103,358,551	0.1%	Rank history: #79 in FY2021, #77 in FY2022 and not on the FY2024–FY2025 lists; down 4 since FY2022.
82	PAE Government Services Inc. 15 awardees, including Amentum Spaceport LLC, PAE Aviation and Technical Services LLC and PAE Professional Services, LLC Top agencies DOS (Department of State) NASA (National Aeronautics and Space Administration) USAF (Department of the Air Force)	$1,060,826,832	0.1%	Rank history: #70 in FY2021, #88 in FY2022 and not on the FY2024–FY2025 lists; up 6 since FY2022.
83	Mantech International Corporation 10 awardees, including Mantech Advanced Systems International, Inc., Mantech SRS Technologies, Inc. and Tapestry Technologies, Inc. Top agencies Army (Department of the Army) Navy (Department of the Navy) DHS (Department of Homeland Security)	$1,048,343,653	0.1%	Rank history: #74 in FY2021, #66 in FY2022 and not on the FY2024–FY2025 lists; down 17 since FY2022.
84	Vertex Aerospace LLC 7 awardees, including V2X Aerospace LLC and Crestview Aerospace LLC Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) DOJ (Department of Justice)	$1,020,937,189	0.1%	Rank history: #89 in FY2021, #84 in FY2022 and not on the FY2024–FY2025 lists; unchanged since FY2022.
85	The GEO Group, Inc. 9 awardees, including B.i. Incorporated, GEO Reentry Inc. and GEO Secure Services, LLC Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice)	$1,011,006,880	0.1%	Rank history: #86 in FY2021, #92 in FY2022, #79 in FY2024 and #79 in FY2025; up 7 since FY2022.
86	Tetra Tech, Inc. 52 awardees, including Ard, Inc., Tetra TECH ES, Inc. and Management Systems International, Inc. Top agencies USAID (US Agency for International Development) DOS (Department of State) EPA (Environmental Protection Agency)	$1,007,636,728	0.1%	Rank history: #94 in FY2021, #100 in FY2022, #87 in FY2024 and not on the FY2025 list; up 14 since FY2022.
87	Patriot Team Top agencies USAF (Department of the Air Force)	$1,003,686,924	0.1%	Rank history: not on the FY2021 list, #98 in FY2022 and not on the FY2024–FY2025 lists; up 11 since FY2022.
88	Omnicom Group Inc. 6 awardees, including DDB Chicago Inc., Gsd&M LLC and Porter Novelli Public Services Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) HHS (Department of Health and Human Services)	$998,942,296	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 52 since FY2022.
89	FCN, Inc. Top agencies Treasury (Department of the Treasury) USAF (Department of the Air Force) DHA (Defense Health Agency)	$993,793,215	0.1%	Rank history: not on the FY2021–FY2022 lists, #89 in FY2024 and #84 in FY2025; up 151 since FY2022.
90	National Security Technology Accelerator Inc. Top agencies WHS (DOD Washington Headquarters Service) OSD (Office of the Secretary of Defense) Navy (Department of the Navy)	$988,069,501	0.1%	Rank history: not on the FY2021–FY2022 lists, #78 in FY2024 and #57 in FY2025; up 72 since FY2022.
91	W S Darley & Co 3 awardees, including WS Darley & Co Top agencies DLA (Defense Logistics Agency) USAF (Department of the Air Force) Navy (Department of the Navy)	$967,642,107	0.1%	Rank history: not on the FY2021–FY2022 lists, #66 in FY2024 and #56 in FY2025; up 37 since FY2022.
92	Transdigm Group Incorporated 49 awardees, including Armtec Defense Products Co., Armtec Countermeasures Co and Airborne Systems North America of CA Inc. Top agencies Army (Department of the Army) USAF (Department of the Air Force) DLA (Defense Logistics Agency)	$955,150,690	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 159 since FY2022.
93	Bell Boeing Joint Project Office Top agencies Navy (Department of the Navy) DLA (Defense Logistics Agency)	$947,186,166	0.1%	Rank history: #36 in FY2021, #48 in FY2022, #100 in FY2024 and #67 in FY2025; down 45 since FY2022.
94	Ministry of Defense 3 awardees, including The University of Tokyo Top agencies Navy (Department of the Navy) DOI (Department of the Interior)	$905,828,477	0.1%	Rank history: #69 in FY2021, #91 in FY2022, not on the FY2024 list and #97 in FY2025; down 3 since FY2022.
95	H.i.g. Capital Management Inc. 5 awardees, including Iron Bow Technologies, LLC, Empower AI, Inc. and Empire Today, LLC Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force) Army (Department of the Army)	$883,949,993	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 17 since FY2022.
96	UnitedHealth Group Incorporated 13 awardees, including Optumserve Health Services, Inc., Optumserve Technology Services, Inc. and Optumhealth Care Solutions, LLC Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) DHA (Defense Health Agency)	$876,549,397	0.1%	Rank history: #8 in FY2021, #75 in FY2022, #5 in FY2024 and #4 in FY2025; down 21 since FY2022.
97	Xator LLC 3 awardees, including Incadence Strategic Solutions LLC Top agencies DOS (Department of State) USAF (Department of the Air Force) Navy (Department of the Navy)	$852,291,913	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
98	M1 Support Services, L.P. Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$849,116,015	0.1%	Rank history: #90 in FY2021, not on the FY2022 list, #96 in FY2024 and #88 in FY2025; up 4 since FY2022.
99	Georgia TECH Research Corp 2 awardees, including Georgia TECH Applied Research Corp Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$840,325,970	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 2 since FY2022.
100	Mission Support & Test Services LLC Top agencies DOE (Department of Energy) DFAS (Defense Finance and Accounting Service) USAF (Department of the Air Force)	$837,756,290	0.1%	Rank history: #87 in FY2021, #96 in FY2022, #73 in FY2024 and #85 in FY2025; down 4 since FY2022.

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100 of about 83,019 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 $823 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 2023 ran Oct 1, 2022 – Sep 30, 2023. 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 FY2022. "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 FY2022 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 government contractors in FY2023?

1. Lockheed Martin Corporation ($77.3B), 2. RTX Corporation ($34.5B), 3. General Dynamics Corporation ($28.9B), 4. The Boeing Company ($24.3B), 5. Northrop Grumman Corporation ($16.9B), 6. Optum Public Sector Solutions Inc ($16.2B), 7. Mckesson Corporation ($10.2B), 8. Huntington Ingalls Industries, Inc. ($10.1B), 9. Leidos Holdings, Inc. ($9.48B), 10. BAE Systems PLC ($9.22B).

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