Top 100 Contractors in PSC AC32: National Defense R&D Services; Defense-Related Activities; Applied Research, Jul 2025–Jun 2026

Name: Top 100 Contractors in PSC AC32: National Defense R&D Services; Defense-Related Activities; Applied Research, Jul 2025–Jun 2026
Creator: GovTribe

Parent companies by net contract obligations Jul 1, 2025 – Jun 30, 2026 Code page on GovTribe

The top 10 won 64% of PSC AC32 contract dollars from July 2025 through June 2026

Contract obligations: $8,859,704,365 Net of deobligations, by contracts coded PSC AC32
Contractors: 785 Parent companies with an obligation
Largest contractor: The Mitre Corporation $1.33 billion, 14.8% 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	The Mitre Corporation Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense) Navy (Department of the Navy)	$1,330,362,695	14.8%	Rank history: #7 in FY2021, #1 in FY2022, #1 in FY2023, #1 in FY2024 and #2 in FY2025; up 1 since Jul 2024–Jun 2025.
2	Johns Hopkins University 2 awardees, including The Johns Hopkins University Applied Physics Laboratory LLC Top agencies Navy (Department of the Navy) OSD (Office of the Secretary of Defense) USAF (Department of the Air Force)	$871,186,292	9.7%	Rank history: not on the FY2021–FY2024 lists and #1 in FY2025; new, not ranked in Jul 2024–Jun 2025.
3	Booz Allen Hamilton Holding Corporation Through Booz Allen Hamilton Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) Army (Department of the Army)	$662,711,761	7.4%	Rank history: #3 in FY2021, #3 in FY2022, #5 in FY2023, #4 in FY2024 and #4 in FY2025; unchanged since Jul 2024–Jun 2025.
4	Huntington Ingalls Industries, Inc. Through HII Mission Technologies Corp Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$484,936,892	5.4%	Rank history: not on the FY2021 list, #5 in FY2022, not on the FY2023 list, #3 in FY2024 and #5 in FY2025; unchanged since Jul 2024–Jun 2025.
5	National Security Technology Accelerator Inc. Top agencies WHS (DOD Washington Headquarters Service) OSD (Office of the Secretary of Defense) MDA (DOD Missile Defense Agency)	$484,110,035	5.4%	Rank history: not on the FY2021–FY2024 lists and #20 in FY2025; up 21 since Jul 2024–Jun 2025.
6	CACI International Inc. Through Caci, Inc. - Federal Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$458,943,982	5.1%	Rank history: #13 in FY2021, #21 in FY2022, #6 in FY2023, #7 in FY2024 and #6 in FY2025; up 1 since Jul 2024–Jun 2025.
7	KBR Wyle Services LLC 3 awardees Top agencies Army (Department of the Army) Navy (Department of the Navy) USAF (Department of the Air Force)	$435,546,114	4.8%	Rank history: #31 in FY2021, #18 in FY2022, not on the FY2023 list, #5 in FY2024 and #3 in FY2025; down 2 since Jul 2024–Jun 2025.
8	The Pennsylvania State University Top agencies Navy (Department of the Navy) OSD (Office of the Secretary of Defense) USAF (Department of the Air Force)	$415,220,536	4.6%	Rank history: #4 in FY2021, #7 in FY2022, #9 in FY2023, #8 in FY2024 and #8 in FY2025; up 1 since Jul 2024–Jun 2025.
9	Mantech Tsg-2 Joint Venture Top agencies Navy (Department of the Navy) OSD (Office of the Secretary of Defense) USAF (Department of the Air Force)	$389,023,447	4.3%	Rank history: #27 in FY2021, #12 in FY2022, #11 in FY2023, #6 in FY2024 and #7 in FY2025; down 3 since Jul 2024–Jun 2025.
10	Leidos Holdings, Inc. 2 awardees, including Leidos, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army) DTRA (Defense Threat Reduction Agency)	$240,832,975	2.7%	Rank history: #10 in FY2021, #11 in FY2022, #10 in FY2023, #12 in FY2024 and #13 in FY2025; up 2 since Jul 2024–Jun 2025.
11	Kbr, Inc. Through KBR Wyle Services, LLC Top agencies Army (Department of the Army) Navy (Department of the Navy) OSD (Office of the Secretary of Defense)	$207,153,009	2.3%	Rank history: #8 in FY2021, #4 in FY2022, #3 in FY2023, #13 in FY2024 and not on the FY2025 list; new, not ranked in Jul 2024–Jun 2025.
12	Lockheed Martin Corporation Top agencies USAF (Department of the Air Force)	$192,880,331	2.1%	Rank history: #12 in FY2021, #16 in FY2022, #7 in FY2023, #9 in FY2024 and #10 in FY2025; down 2 since Jul 2024–Jun 2025.
13	Amentum Holdings, Inc. 2 awardees, including Amentum Services, Inc. Top agencies OSD (Office of the Secretary of Defense) Navy (Department of the Navy) USAF (Department of the Air Force)	$182,056,254	2.0%	Rank history: not on the FY2021–FY2023 lists, #29 in FY2024 and #9 in FY2025; unchanged since Jul 2024–Jun 2025.
14	Science Applications International Corporation Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$172,234,018	1.9%	Rank history: #24 in FY2021, #22 in FY2022, #15 in FY2023, #10 in FY2024 and #11 in FY2025; down 3 since Jul 2024–Jun 2025.
15	Intrepid LLC Top agencies Army (Department of the Army)	$154,678,869	1.7%	Rank history: not on the FY2021–FY2023 lists, #16 in FY2024 and #14 in FY2025; up 2 since Jul 2024–Jun 2025.
16	Georgia TECH Applied Research Corp 2 awardees Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$128,684,851	1.4%	Rank history: not on the FY2021–FY2023 lists, #17 in FY2024 and #15 in FY2025; up 2 since Jul 2024–Jun 2025.
17	Battelle Memorial Institute Top agencies Navy (Department of the Navy) Army (Department of the Army) USAF (Department of the Air Force)	$124,349,828	1.4%	Rank history: #6 in FY2021, #6 in FY2022, #8 in FY2023, #11 in FY2024 and #16 in FY2025; down 2 since Jul 2024–Jun 2025.
18	University of Washington 2 awardees Top agencies Navy (Department of the Navy)	$82,330,682	0.9%	Rank history: #14 in FY2021, #23 in FY2022, #18 in FY2023, #20 in FY2024 and #18 in FY2025; up 1 since Jul 2024–Jun 2025.
19	Technology Service Corp Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$76,687,189	0.9%	Rank history: not on the FY2021 list, #52 in FY2022, #25 in FY2023, #41 in FY2024 and #19 in FY2025; up 11 since Jul 2024–Jun 2025.
20	University of Texas System Through University of Texas At Austin Top agencies Navy (Department of the Navy) USAF (Department of the Air Force) Army (Department of the Army)	$74,263,199	0.8%	Rank history: #5 in FY2021, #10 in FY2022, #12 in FY2023, #21 in FY2024 and not on the FY2025 list; new, not ranked in Jul 2024–Jun 2025.
21	Linquest Corporation Top agencies USAF (Department of the Air Force)	$58,161,491	0.6%	Rank history: not on the FY2021–FY2022 lists, #36 in FY2023, #26 in FY2024 and #23 in FY2025; up 1 since Jul 2024–Jun 2025.
22	Agile Defense, LLC Top agencies DISA (Defense Information Systems Agency)	$53,748,897	0.6%	Rank history: not on the FY2021–FY2023 lists, #25 in FY2024 and #21 in FY2025; up 2 since Jul 2024–Jun 2025.
23	University of Texas At Austin Top agencies Navy (Department of the Navy) OSD (Office of the Secretary of Defense) Army (Department of the Army)	$52,264,000	0.6%	Rank history: #23 in FY2021, not on the FY2022–FY2023 lists, #23 in FY2024 and #17 in FY2025; down 7 since Jul 2024–Jun 2025.
24	Applied Research Associates, Inc. Top agencies DTRA (Defense Threat Reduction Agency) OSD (Office of the Secretary of Defense) Army (Department of the Army)	$45,018,463	0.5%	Rank history: #51 in FY2021, #28 in FY2022, #19 in FY2023, #28 in FY2024 and #25 in FY2025; up 1 since Jul 2024–Jun 2025.
25	Advanced Technology International Top agencies OSD (Office of the Secretary of Defense)	$44,702,024	0.5%	Rank history: not on the FY2021–FY2024 lists and #22 in FY2025; new, not ranked in Jul 2024–Jun 2025.
26	Globalfoundries U.S. Inc. Through Globalfoundries U.s. 2 LLC Top agencies DMEA (Defense Microelectronics Activity)	$35,048,414	0.4%	Rank history: not on the FY2021–FY2024 lists and #50 in FY2025; new, not ranked in Jul 2024–Jun 2025.
27	Frontier Technology Inc. Top agencies Navy (Department of the Navy)	$34,796,557	0.4%	Rank history: #11 in FY2021, #13 in FY2022, #16 in FY2023, #18 in FY2024 and #24 in FY2025; down 4 since Jul 2024–Jun 2025.
28	LMI Consulting, LLC Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$33,393,013	0.4%	Rank history: not on the FY2021–FY2022 lists, #51 in FY2023, #34 in FY2024 and #27 in FY2025; unchanged since Jul 2024–Jun 2025.
29	Anduril Industries Inc. 2 awardees, including Exoanalytic Solutions Inc. Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense) Navy (Department of the Navy)	$29,590,133	0.3%	Rank history: not on the FY2021–FY2023 lists, #35 in FY2024 and #34 in FY2025; down 2 since Jul 2024–Jun 2025.
30	Northrop Grumman Corporation 4 awardees, including Northrop Grumman Systems Corporation Top agencies OSD (Office of the Secretary of Defense) USAF (Department of the Air Force)	$24,432,677	0.3%	Rank history: #18 in FY2021, #26 in FY2022, #27 in FY2023, #40 in FY2024 and #41 in FY2025; up 11 since Jul 2024–Jun 2025.
31	Triton Systems, Inc. Top agencies OSD (Office of the Secretary of Defense) Navy (Department of the Navy)	$24,163,401	0.3%	Rank history: #52 in FY2021, not on the FY2022 list, #94 in FY2023, #98 in FY2024 and #80 in FY2025; up 32 since Jul 2024–Jun 2025.
32	North Carolina State University Top agencies OSD (Office of the Secretary of Defense)	$23,978,214	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
33	MRIGLOBAL Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$23,418,857	0.3%	Rank history: #17 in FY2021, #20 in FY2022, #26 in FY2023, #69 in FY2024 and #32 in FY2025; up 14 since Jul 2024–Jun 2025.
34	Firestorm Labs, Inc. Top agencies USAF (Department of the Air Force)	$20,006,434	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
35	Enterprise Resource Planning International, LLC Top agencies DISA (Defense Information Systems Agency)	$19,981,346	0.2%	Rank history: not on the FY2021–FY2022 lists, #35 in FY2023, #36 in FY2024 and #28 in FY2025; down 4 since Jul 2024–Jun 2025.
36	Small Business Consulting Corporation Top agencies USAF (Department of the Air Force)	$19,315,339	0.2%	Rank history: not on the FY2021–FY2024 lists and #36 in FY2025; up 20 since Jul 2024–Jun 2025.
37	Joby Aero Inc. Top agencies USAF (Department of the Air Force)	$16,978,812	0.2%	Rank history: not on the FY2021–FY2024 lists and #31 in FY2025; new, not ranked in Jul 2024–Jun 2025.
38	Inkit Worldwide LLC Top agencies WHS (DOD Washington Headquarters Service) USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$15,483,476	0.2%	Rank history: not on the FY2021–FY2024 lists and #30 in FY2025; up 34 since Jul 2024–Jun 2025.
39	Authentise Inc. Top agencies OSD (Office of the Secretary of Defense)	$15,000,404	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
40	RTX Corporation 4 awardees, including Raytheon Company and RTX BBN Technologies, Inc. Top agencies USCYBERCOM (Department of Defense Cyber Command) Navy (Department of the Navy) DTRA (Defense Threat Reduction Agency)	$14,388,563	0.2%	Rank history: #42 in FY2021, #24 in FY2022, #22 in FY2023, #38 in FY2024 and #29 in FY2025; down 8 since Jul 2024–Jun 2025.
41	Arete Associates Top agencies Navy (Department of the Navy)	$14,354,043	0.2%	Rank history: #85 in FY2021, not on the FY2022–FY2024 lists and #47 in FY2025; up 16 since Jul 2024–Jun 2025.
42	Dark Wolf Solutions, LLC Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$12,932,649	0.1%	Rank history: #99 in FY2021, not on the FY2022–FY2024 lists and #62 in FY2025; up 51 since Jul 2024–Jun 2025.
43	BAE Systems Space & Mission Systems Inc. Top agencies USAF (Department of the Air Force)	$12,774,100	0.1%	Rank history: not on the FY2021–FY2024 lists and #49 in FY2025; new, not ranked in Jul 2024–Jun 2025.
44	Southwest Research Institute Top agencies DTRA (Defense Threat Reduction Agency) Army (Department of the Army) USAF (Department of the Air Force)	$11,575,193	0.1%	Rank history: not on the FY2021 list, #31 in FY2022, #20 in FY2023, #33 in FY2024 and #44 in FY2025; down 11 since Jul 2024–Jun 2025.
45	Serco Inc 2 awardees, including Brtrc Federal Solutions, Inc. Top agencies USAF (Department of the Air Force)	$11,558,737	0.1%	Rank history: not on the FY2021–FY2024 lists and #40 in FY2025; new, not ranked in Jul 2024–Jun 2025.
46	L3Harris Technologies, Inc. Through Fisica Applied Technologies, Inc. Top agencies DTRA (Defense Threat Reduction Agency)	$11,067,386	0.1%	Rank history: not on the FY2021–FY2022 lists, #62 in FY2023, not on the FY2024 list and #48 in FY2025; up 32 since Jul 2024–Jun 2025.
47	K2 Space Corporation Top agencies USAF (Department of the Air Force)	$10,891,989	0.1%	Rank history: not on the FY2021–FY2023 lists, #62 in FY2024 and #55 in FY2025; up 3 since Jul 2024–Jun 2025.
48	Aalyria Technologies, Inc. Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$10,553,802	0.1%	Rank history: not on the FY2021–FY2022 lists, #50 in FY2023, #46 in FY2024 and #35 in FY2025; down 5 since Jul 2024–Jun 2025.
49	Physical Sciences Inc. 2 awardees, including Faraday Technology, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$10,294,291	0.1%	Rank history: #25 in FY2021, #27 in FY2022, #95 in FY2023, #49 in FY2024 and #43 in FY2025; down 4 since Jul 2024–Jun 2025.
50	Integrated Solutions for Systems, Inc. Top agencies Navy (Department of the Navy)	$9,865,591	0.1%	Rank history: not on the FY2021 list, #73 in FY2022 and not on the FY2023–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
51	Picogrid, Inc. Top agencies USAF (Department of the Air Force)	$9,300,000	0.1%	Rank history: not on the FY2021–FY2023 lists, #73 in FY2024 and #38 in FY2025; up 32 since Jul 2024–Jun 2025.
52	Private TECH Inc. Top agencies USAF (Department of the Air Force)	$9,026,729	0.1%	Rank history: not on the FY2021–FY2024 lists and #54 in FY2025; new, not ranked in Jul 2024–Jun 2025.
53	Vector Atomic Inc Top agencies OSD (Office of the Secretary of Defense) USAF (Department of the Air Force)	$8,599,996	0.1%	Rank history: not on the FY2021–FY2023 lists, #78 in FY2024 and #65 in FY2025; new, not ranked in Jul 2024–Jun 2025.
54	Marsh & Mclennan Companies Inc. Through Oliver Wyman, LLC Top agencies OSD (Office of the Secretary of Defense)	$8,564,377	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
55	The Survice Engineering Company LLC Top agencies OSD (Office of the Secretary of Defense) Army (Department of the Army) WHS (DOD Washington Headquarters Service)	$8,392,936	0.1%	Rank history: #26 in FY2021, #35 in FY2022, #47 in FY2023, #47 in FY2024 and #53 in FY2025; down 9 since Jul 2024–Jun 2025.
56	In-Depth Engineering Corporation Top agencies Navy (Department of the Navy)	$7,632,953	0.1%	Rank history: #95 in FY2021, not on the FY2022–FY2024 lists and #71 in FY2025; up 23 since Jul 2024–Jun 2025.
57	Illumination Works, LLC Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$6,997,935	0.1%	Rank history: not on the FY2021–FY2024 lists and #79 in FY2025; up 208 since Jul 2024–Jun 2025.
58	Intelsat General Communications LLC Top agencies Navy (Department of the Navy)	$6,879,389	0.1%	Rank history: not on the FY2021–FY2024 lists and #56 in FY2025; new, not ranked in Jul 2024–Jun 2025.
59	Dittolive Incorporated Top agencies USAF (Department of the Air Force)	$6,868,712	0.1%	Rank history: not on the FY2021–FY2024 lists and #68 in FY2025; new, not ranked in Jul 2024–Jun 2025.
60	University of South Florida Institute of Applied Engineering, Incorporated Top agencies USAF (Department of the Air Force)	$6,372,731	0.1%	Rank history: #45 in FY2021, #36 in FY2022, #46 in FY2023, #51 in FY2024 and #42 in FY2025; down 23 since Jul 2024–Jun 2025.
61	Texas Research Institute , Austin, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$6,334,842	0.1%	Rank history: not on the FY2021–FY2025 lists; up 16 since Jul 2024–Jun 2025.
62	Deloitte Through Deloitte Consulting LLP Top agencies WHS (DOD Washington Headquarters Service)	$6,101,000	0.1%	Rank history: not on the FY2021–FY2023 lists, #15 in FY2024 and #12 in FY2025; down 54 since Jul 2024–Jun 2025.
63	J.f. Taylor, Inc. Top agencies Navy (Department of the Navy)	$6,098,800	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
64	Omni Fed LLC Top agencies USAF (Department of the Air Force)	$5,975,920	0.1%	Rank history: #47 in FY2021, not on the FY2022 list, #77 in FY2023, #64 in FY2024 and #61 in FY2025; new, not ranked in Jul 2024–Jun 2025.
65	Cyberhill Intel LLC Top agencies DHA (Defense Health Agency)	$5,872,121	0.1%	Rank history: not on the FY2021–FY2024 lists and #60 in FY2025; up 11 since Jul 2024–Jun 2025.
66	Argo Space Corp Top agencies USAF (Department of the Air Force)	$5,780,202	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
67	Planet Labs Federal, Inc. Top agencies OSD (Office of the Secretary of Defense)	$5,699,580	0.1%	Rank history: not on the FY2021–FY2024 lists and #45 in FY2025; down 18 since Jul 2024–Jun 2025.
68	University of Hawaii Top agencies OSD (Office of the Secretary of Defense) Navy (Department of the Navy) USAF (Department of the Air Force)	$5,624,220	0.1%	Rank history: not on the FY2021–FY2023 lists, #54 in FY2024 and #58 in FY2025; unchanged since Jul 2024–Jun 2025.
69	Ministry of Defence Top agencies DTRA (Defense Threat Reduction Agency)	$5,592,474	0.1%	Rank history: not on the FY2021–FY2025 lists; up 242 since Jul 2024–Jun 2025.
70	Zanskar Geothermal & Minerals, Inc. Top agencies OSD (Office of the Secretary of Defense)	$5,450,000	0.1%	Rank history: not on the FY2021–FY2022 lists, #57 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
71	Applied Research In Acoustics LLC Top agencies Navy (Department of the Navy) WHS (DOD Washington Headquarters Service)	$5,435,663	0.1%	Rank history: not on the FY2021–FY2024 lists and #96 in FY2025; up 86 since Jul 2024–Jun 2025.
72	Microsoft Corporation Top agencies USAF (Department of the Air Force)	$5,339,429	0.1%	Rank history: not on the FY2021–FY2022 lists, #53 in FY2023, #94 in FY2024 and #87 in FY2025; up 13 since Jul 2024–Jun 2025.
73	Microlink Devices Inc. Top agencies USAF (Department of the Air Force)	$5,285,000	0.1%	Rank history: not on the FY2021–FY2024 lists and #72 in FY2025; new, not ranked in Jul 2024–Jun 2025.
74	Amazon Web Services, Inc. Top agencies OSD (Office of the Secretary of Defense) USAF (Department of the Air Force)	$5,188,438	0.1%	Rank history: not on the FY2021–FY2025 lists; up 239 since Jul 2024–Jun 2025.
75	Vadum Inc. Top agencies Navy (Department of the Navy)	$5,142,148	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
76	Boston Engineering Corporation Top agencies Navy (Department of the Navy)	$5,099,299	0.1%	Rank history: not on the FY2021–FY2024 lists and #67 in FY2025; down 5 since Jul 2024–Jun 2025.
77	Rapidfort Inc. Top agencies USAF (Department of the Air Force)	$4,994,199	0.1%	Rank history: not on the FY2021–FY2022 lists, #72 in FY2023 and not on the FY2024–FY2025 lists; up 152 since Jul 2024–Jun 2025.
78	Materials Sciences LLC Top agencies Navy (Department of the Navy)	$4,932,463	0.1%	Rank history: not on the FY2021–FY2023 lists, #65 in FY2024 and not on the FY2025 list; up 13 since Jul 2024–Jun 2025.
79	Astrobotic Technology Inc Top agencies USAF (Department of the Air Force)	$4,899,996	0.1%	Rank history: not on the FY2021–FY2024 lists and #77 in FY2025; new, not ranked in Jul 2024–Jun 2025.
80	Excet, LLC Top agencies Army (Department of the Army)	$4,729,577	0.1%	Rank history: not on the FY2021–FY2024 lists and #86 in FY2025; up 24 since Jul 2024–Jun 2025.
81	Systems & Technology Research LLC Top agencies Army (Department of the Army)	$4,716,426	0.1%	Rank history: #64 in FY2021, not on the FY2022 list, #99 in FY2023, #66 in FY2024 and not on the FY2025 list; down 20 since Jul 2024–Jun 2025.
82	American Center for Optics Manufacturing Inc. Top agencies Army (Department of the Army)	$4,713,448	0.1%	Rank history: #21 in FY2021, #74 in FY2022, #34 in FY2023 and not on the FY2024–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
83	Stell Engineering, Inc. Top agencies USAF (Department of the Air Force)	$4,651,000	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
84	Bilt Inc. Top agencies USAF (Department of the Air Force)	$4,600,073	0.1%	Rank history: not on the FY2021–FY2024 lists and #75 in FY2025; up 50 since Jul 2024–Jun 2025.
85	Metron Incorporated Top agencies Navy (Department of the Navy)	$4,448,780	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
86	Atmo, Inc. Top agencies USAF (Department of the Air Force)	$4,425,403	<0.1%	Rank history: not on the FY2021–FY2024 lists and #89 in FY2025; new, not ranked in Jul 2024–Jun 2025.
87	Systems Planning and Analysis, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$4,274,011	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
88	Wyzkyds Consulting LLC Top agencies Army (Department of the Army)	$4,254,089	<0.1%	Rank history: not on the FY2021–FY2024 lists and #92 in FY2025; new, not ranked in Jul 2024–Jun 2025.
89	General Dynamics Corporation 2 awardees, including General Dynamics Mission Systems, Inc. Top agencies Navy (Department of the Navy)	$4,219,733	<0.1%	Rank history: #9 in FY2021, #14 in FY2022, #17 in FY2023, #22 in FY2024 and #26 in FY2025; down 68 since Jul 2024–Jun 2025.
90	Tenet 3, LLC Top agencies USAF (Department of the Air Force)	$4,095,000	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
91	Gallatin AI, Inc. Top agencies WHS (DOD Washington Headquarters Service) USAF (Department of the Air Force)	$4,073,306	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
92	Dmetrics Inc. Top agencies OSD (Office of the Secretary of Defense)	$4,068,519	<0.1%	Rank history: not on the FY2021–FY2024 lists and #83 in FY2025; up 27 since Jul 2024–Jun 2025.
93	Altana Technologies USG Inc. Top agencies USAF (Department of the Air Force)	$4,000,000	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
94	Greensea Systems Inc. Top agencies Navy (Department of the Navy)	$3,931,694	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 212 since Jul 2024–Jun 2025.
95	Blacksky Geospatial Solutions LLC Top agencies USAF (Department of the Air Force)	$3,904,469	<0.1%	Rank history: not on the FY2021–FY2024 lists and #70 in FY2025; down 3 since Jul 2024–Jun 2025.
96	Alphacore Inc Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$3,877,563	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 211 since Jul 2024–Jun 2025.
97	Ensco Inc. Top agencies USAF (Department of the Air Force)	$3,850,673	<0.1%	Rank history: not on the FY2021–FY2022 lists, #30 in FY2023, #52 in FY2024 and #37 in FY2025; down 57 since Jul 2024–Jun 2025.
98	Reach Power, Inc. Top agencies OSD (Office of the Secretary of Defense)	$3,798,337	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
99	Leolabs Federal, Inc. Top agencies USAF (Department of the Air Force)	$3,756,065	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.
100	Daniel H Wagner Associates Inc. Top agencies Navy (Department of the Navy)	$3,639,965	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Jul 2024–Jun 2025.

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100 of 785 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 $9 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.
Period: the trailing 12 months end with the last month that ended at least 90 days ago, because the Department of Defense reports its contract actions to FPDS about 90 days late. The list is rebuilt each night.
Rank changes compare with Jul 2024–Jun 2025. "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.
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 PSC AC32 contractors in Jul 2025–Jun 2026?

1. The Mitre Corporation ($1.33B), 2. Johns Hopkins University ($871M), 3. Booz Allen Hamilton Holding Corporation ($663M), 4. Huntington Ingalls Industries, Inc. ($485M), 5. National Security Technology Accelerator Inc. ($484M), 6. CACI International Inc. ($459M), 7. KBR Wyle Services LLC ($436M), 8. The Pennsylvania State University ($415M), 9. Mantech Tsg-2 Joint Venture ($389M), 10. Leidos Holdings, Inc. ($241M).

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