Top 100 Contractors in PSC H2: Equipment and Materials Testing, FY2025

Name: Top 100 Contractors in PSC H2: Equipment and Materials Testing, FY2025
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2024 – Sep 30, 2025 Code page on GovTribe

The top 10 won 59% of FY2025 PSC H2 contract dollars

Contract obligations: $717,482,472 Net of deobligations, by contracts coded PSC H2 or a code under it
Contractors: 745 Parent companies with an obligation
Largest contractor: Reliance Test & Technology, LLC $148 million, 19.2% 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	Reliance Test & Technology, LLC Top agencies USAF (Department of the Air Force) OSD (Office of the Secretary of Defense)	$147,725,969	19.2%	Rank history: #2 in FY2021, #1 in FY2022, #1 in FY2023 and #1 in FY2024; unchanged since FY2024.
2	Unmanned Systems Incorporated Top agencies USAF (Department of the Air Force)	$80,933,999	10.5%	Rank history: not on the FY2021–FY2024 lists; new.
3	Arcticom, LLC Top agencies USAF (Department of the Air Force)	$48,771,984	6.3%	Rank history: not on the FY2021–FY2024 lists; new.
4	Northrop Grumman Corporation 3 awardees, including Northrop Grumman Systems Corporation Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$29,002,598	3.8%	Rank history: #4 in FY2021, #3 in FY2022, #6 in FY2023 and #9 in FY2024; up 5 since FY2024.
5	L3Harris Technologies, Inc. 3 awardees, including L3 Technologies, Inc. and NV5 Geospatial Solutions, Inc. Top agencies Navy (Department of the Navy) USAF (Department of the Air Force)	$28,843,658	3.8%	Rank history: #7 in FY2021, #2 in FY2022, #2 in FY2023 and #7 in FY2024; up 2 since FY2024.
6	Trax International Corporation Top agencies Army (Department of the Army)	$28,277,674	3.7%	Rank history: not on the FY2021–FY2023 lists and #8 in FY2024; up 2 since FY2024.
7	RTX Corporation 6 awardees, including Raytheon Company and Rockwell Collins, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$25,624,743	3.3%	Rank history: #1 in FY2021, #6 in FY2022, #8 in FY2023 and #3 in FY2024; down 4 since FY2024.
8	General Dynamics Corporation 3 awardees, including General Dynamics Information Technology, Inc. and General Dynamics Mission Systems, Inc. Top agencies Navy (Department of the Navy)	$23,902,447	3.1%	Rank history: #10 in FY2021, #12 in FY2022, #13 in FY2023 and #12 in FY2024; up 4 since FY2024.
9	The Bionetics Corporation Top agencies USAF (Department of the Air Force)	$21,759,360	2.8%	Rank history: #8 in FY2021, #9 in FY2022, #11 in FY2023 and #10 in FY2024; up 1 since FY2024.
10	Ensco Inc. Top agencies DOT (Department of Transportation)	$18,479,551	2.4%	Rank history: not on the FY2021 list, #36 in FY2022, #12 in FY2023 and #11 in FY2024; up 1 since FY2024.
11	Booz Allen Hamilton Holding Corporation Through Booz Allen Hamilton Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$17,639,489	2.3%	Rank history: #5 in FY2021, #4 in FY2022, #3 in FY2023 and #2 in FY2024; down 9 since FY2024.
12	Yulista Contract Services LLC Top agencies Army (Department of the Army)	$17,050,000	2.2%	Rank history: not on the FY2021–FY2024 lists; new.
13	Amentum Holdings, Inc. Through Amentum Services, Inc. Top agencies DHS (Department of Homeland Security)	$16,594,843	2.2%	Rank history: not on the FY2021–FY2024 lists; new.
14	National Security Technology Accelerator Inc. Top agencies Navy (Department of the Navy) WHS (DOD Washington Headquarters Service)	$13,748,136	1.8%	Rank history: #13 in FY2021, #22 in FY2022, #25 in FY2023 and #63 in FY2024; up 49 since FY2024.
15	Leidos Holdings, Inc. 2 awardees, including Dynetics, Inc. and Leidos, Inc. Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$12,060,410	1.6%	Rank history: #25 in FY2021, #38 in FY2022, #47 in FY2023 and #45 in FY2024; up 30 since FY2024.
16	The Whiskey Project Group Ltd Top agencies OSD (Office of the Secretary of Defense)	$10,332,528	1.3%	Rank history: not on the FY2021–FY2022 lists, #10 in FY2023 and #81 in FY2024; up 65 since FY2024.
17	Atlas Technologies Inc. Top agencies Navy (Department of the Navy)	$9,761,596	1.3%	Rank history: not on the FY2021–FY2023 lists and #14 in FY2024; down 3 since FY2024.
18	Lockheed Martin Corporation 3 awardees Top agencies Army (Department of the Army)	$9,683,177	1.3%	Rank history: not on the FY2021 list, #7 in FY2022, #5 in FY2023 and #15 in FY2024; down 3 since FY2024.
19	Hermeus Corp Top agencies OSD (Office of the Secretary of Defense)	$9,369,844	1.2%	Rank history: not on the FY2021–FY2023 lists and #6 in FY2024; down 13 since FY2024.
20	Linde Special Projects LLC Top agencies USAF (Department of the Air Force)	$8,494,210	1.1%	Rank history: not on the FY2021–FY2022 lists, #18 in FY2023 and not on the FY2024 list; returned.
21	Global Technology and Management Resources Inc. Top agencies Navy (Department of the Navy)	$7,099,493	0.9%	Rank history: #17 in FY2021, #19 in FY2022, #21 in FY2023 and #21 in FY2024; unchanged since FY2024.
22	Science Applications International Corporation Top agencies Navy (Department of the Navy)	$6,448,317	0.8%	Rank history: not on the FY2021–FY2023 lists and #44 in FY2024; up 22 since FY2024.
23	Tyonek Global Services LLC Top agencies Army (Department of the Army)	$5,800,000	0.8%	Rank history: not on the FY2021–FY2023 lists and #16 in FY2024; down 7 since FY2024.
24	The Charles Stark Draper Laboratory, Inc. Top agencies USAF (Department of the Air Force)	$5,313,520	0.7%	Rank history: #18 in FY2021, #17 in FY2022, #23 in FY2023 and #26 in FY2024; up 2 since FY2024.
25	CAE USA Inc. Top agencies USAF (Department of the Air Force)	$5,041,544	0.7%	Rank history: not on the FY2021–FY2023 lists and #27 in FY2024; up 2 since FY2024.
26	Cherokee Nation Operational Solutions, L.L.C. Top agencies DHA (Defense Health Agency)	$4,664,852	0.6%	Rank history: not on the FY2021 list, #15 in FY2022, #15 in FY2023 and #36 in FY2024; up 10 since FY2024.
27	Rocket Lab National Security LLC Top agencies OSD (Office of the Secretary of Defense)	$4,290,000	0.6%	Rank history: not on the FY2021–FY2022 lists, #14 in FY2023 and #5 in FY2024; down 22 since FY2024.
28	Spektreworks, Inc. Top agencies Army (Department of the Army)	$3,978,028	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
29	Eagle Systems Inc. Top agencies Navy (Department of the Navy)	$3,922,407	0.5%	Rank history: #20 in FY2021, #24 in FY2022, #26 in FY2023 and #31 in FY2024; up 2 since FY2024.
30	The Boeing Company 3 awardees Top agencies USAF (Department of the Air Force)	$3,236,780	0.4%	Rank history: #6 in FY2021, #8 in FY2022, #7 in FY2023 and #4 in FY2024; down 26 since FY2024.
31	Alpha Technology Associate Inc. Top agencies DOT (Department of Transportation)	$3,207,782	0.4%	Rank history: not on the FY2021–FY2024 lists; new.
32	Tetra TECH Railai Inc. Top agencies DOT (Department of Transportation)	$3,003,092	0.4%	Rank history: not on the FY2021–FY2022 lists, #32 in FY2023 and #37 in FY2024; up 5 since FY2024.
33	Fultonst1 LLC Top agencies DLA (Defense Logistics Agency)	$2,841,299	0.4%	Rank history: #29 in FY2021, #59 in FY2022, #83 in FY2023 and #69 in FY2024; up 36 since FY2024.
34	SDV Office Systems LLC Top agencies VA (Department of Veterans Affairs)	$2,586,026	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
35	General Atomics Aeronautical Systems, Inc. Top agencies USAF (Department of the Air Force)	$2,554,305	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
36	Explore Digits Inc Top agencies USAID (US Agency for International Development)	$2,399,073	0.3%	Rank history: not on the FY2021–FY2023 lists and #70 in FY2024; up 34 since FY2024.
37	California Department of Public Health Top agencies HHS (Department of Health and Human Services)	$2,397,652	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
38	Air Company Holdings, Inc. Top agencies OSD (Office of the Secretary of Defense)	$2,300,000	0.3%	Rank history: not on the FY2021 list, #47 in FY2022, #28 in FY2023 and #20 in FY2024; down 18 since FY2024.
39	Mikel Inc. Top agencies Navy (Department of the Navy)	$2,263,272	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
40	Solutions Through Innovative Technologies Inc. Top agencies USAF (Department of the Air Force)	$2,216,558	0.3%	Rank history: not on the FY2021 list, #42 in FY2022, #35 in FY2023 and #29 in FY2024; down 11 since FY2024.
41	Astra Space Operations, LLC Top agencies OSD (Office of the Secretary of Defense)	$2,184,000	0.3%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2024; up 2 since FY2024.
42	Georgia TECH Applied Research Corp Top agencies MDA (DOD Missile Defense Agency)	$2,000,000	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
43	The Pennsylvania State University Top agencies Navy (Department of the Navy)	$1,941,336	0.3%	Rank history: not on the FY2021–FY2022 lists, #44 in FY2023 and #30 in FY2024; down 13 since FY2024.
44	The Survice Engineering Company LLC Top agencies Army (Department of the Army)	$1,815,266	0.2%	Rank history: #22 in FY2021, #35 in FY2022, #34 in FY2023 and #42 in FY2024; down 2 since FY2024.
45	Noblis MSD LLC Top agencies Navy (Department of the Navy)	$1,804,414	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
46	Jung Research and Development Corp Top agencies MDA (DOD Missile Defense Agency) USAF (Department of the Air Force)	$1,536,535	0.2%	Rank history: not on the FY2021 list, #41 in FY2022, #39 in FY2023 and #38 in FY2024; down 8 since FY2024.
47	Dynamic Research Inc. Top agencies DOT (Department of Transportation)	$1,512,099	0.2%	Rank history: not on the FY2021–FY2023 lists and #49 in FY2024; up 2 since FY2024.
48	General Electric Company Through Innoveering LLC Top agencies OSD (Office of the Secretary of Defense)	$1,500,000	0.2%	Rank history: not on the FY2021–FY2024 lists; up 362 since FY2024.
49	Applus Idiada Karco Engineering, LLC Top agencies DOT (Department of Transportation)	$1,391,755	0.2%	Rank history: #57 in FY2021, not on the FY2022 list, #48 in FY2023 and #66 in FY2024; up 17 since FY2024.
50	DAV Energy Solutions, Inc. Top agencies USAF (Department of the Air Force) VA (Department of Veterans Affairs)	$1,359,055	0.2%	Rank history: not on the FY2021–FY2024 lists; up 257 since FY2024.
51	PPI Technical Services LLC Top agencies USAF (Department of the Air Force)	$1,242,560	0.2%	Rank history: not on the FY2021–FY2022 lists, #16 in FY2023 and #53 in FY2024; up 2 since FY2024.
52	Professionals HIR LLC Top agencies DHS (Department of Homeland Security)	$1,242,388	0.2%	Rank history: #23 in FY2021, #81 in FY2022 and not on the FY2023–FY2024 lists; returned.
53	Transportation Research Center Inc. Top agencies DOT (Department of Transportation)	$1,205,476	0.2%	Rank history: #94 in FY2021, not on the FY2022 list, #55 in FY2023 and #71 in FY2024; up 18 since FY2024.
54	Welkin Sciences, LLC Top agencies MDA (DOD Missile Defense Agency)	$1,190,313	0.2%	Rank history: not on the FY2021–FY2024 lists; up 131 since FY2024.
55	Oritain USA Inc. Top agencies DHS (Department of Homeland Security)	$1,140,730	0.1%	Rank history: not on the FY2021 list, #55 in FY2022, #76 in FY2023 and not on the FY2024 list; up 50 since FY2024.
56	MGA Research Corporation 2 awardees Top agencies DOT (Department of Transportation)	$1,126,425	0.1%	Rank history: not on the FY2021–FY2023 lists and #62 in FY2024; up 6 since FY2024.
57	The Fields Group, LLC Top agencies FTC (Federal Trade Commission)	$1,064,781	0.1%	Rank history: not on the FY2021–FY2022 lists, #98 in FY2023 and #83 in FY2024; up 26 since FY2024.
58	Kaihonua LLC Top agencies Navy (Department of the Navy) OSD (Office of the Secretary of Defense)	$1,047,910	0.1%	Rank history: #71 in FY2021, #48 in FY2022, #81 in FY2023 and #59 in FY2024; up 1 since FY2024.
59	Huntington Ingalls Industries, Inc. Through HII Mission Technologies Corp Top agencies Army (Department of the Army)	$1,041,958	0.1%	Rank history: #49 in FY2021, #63 in FY2022, #73 in FY2023 and #57 in FY2024; down 2 since FY2024.
60	Florida Department of Health Top agencies HHS (Department of Health and Human Services)	$958,843	0.1%	Rank history: not on the FY2021–FY2023 lists and #60 in FY2024; unchanged since FY2024.
61	Puretech Systems Inc. Top agencies DOT (Department of Transportation)	$919,445	0.1%	Rank history: #53 in FY2021, #85 in FY2022, #42 in FY2023 and #34 in FY2024; down 27 since FY2024.
62	DCS Corporation Top agencies USAF (Department of the Air Force)	$894,706	0.1%	Rank history: not on the FY2021 list, #51 in FY2022, not on the FY2023 list and #54 in FY2024; down 8 since FY2024.
63	Johnson Controls Inc Through Johnson Controls Fire Protection LP Top agencies VA (Department of Veterans Affairs) USDA (Department of Agriculture) HHS (Department of Health and Human Services)	$877,885	0.1%	Rank history: not on the FY2021–FY2024 lists; up 61 since FY2024.
64	Spatial Front Inc Top agencies DOT (Department of Transportation)	$864,820	0.1%	Rank history: not on the FY2021–FY2023 lists and #50 in FY2024; down 14 since FY2024.
65	NYS Department of Health Top agencies HHS (Department of Health and Human Services)	$811,973	0.1%	Rank history: not on the FY2021–FY2023 lists and #65 in FY2024; unchanged since FY2024.
66	S.C.A. - Shipping Consultants Associated Ltd. Top agencies USAF (Department of the Air Force)	$775,102	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
67	Winergy LLC Top agencies VA (Department of Veterans Affairs)	$739,313	0.1%	Rank history: #65 in FY2021, #71 in FY2022, #75 in FY2023 and #68 in FY2024; up 1 since FY2024.
68	City of New York Top agencies HHS (Department of Health and Human Services)	$681,729	0.1%	Rank history: not on the FY2021–FY2023 lists and #74 in FY2024; up 6 since FY2024.
69	Motion Control Systems Inc. Top agencies Navy (Department of the Navy)	$674,387	0.1%	Rank history: not on the FY2021 list, #92 in FY2022 and not on the FY2023–FY2024 lists; up 49 since FY2024.
70	Fortive Corporation 4 awardees, including Pacific Scientific Energetic Materials Co California LLC and Censis Technologies, Inc. Top agencies Navy (Department of the Navy) VA (Department of Veterans Affairs)	$649,357	0.1%	Rank history: not on the FY2021–FY2023 lists and #76 in FY2024; up 6 since FY2024.
71	Applied Research Associates, Inc. Top agencies DOT (Department of Transportation)	$646,526	0.1%	Rank history: #60 in FY2021, #74 in FY2022, #67 in FY2023 and #64 in FY2024; down 7 since FY2024.
72	Esco Technologies Inc. Through Doble Engineering Company Top agencies DOI (Department of the Interior) DOE (Department of Energy) Army (Department of the Army)	$617,326	0.1%	Rank history: not on the FY2021–FY2023 lists and #79 in FY2024; up 7 since FY2024.
73	Karagozian & Case, Inc. Top agencies DOS (Department of State)	$612,404	0.1%	Rank history: not on the FY2021–FY2023 lists and #47 in FY2024; down 26 since FY2024.
74	Tekla Research, Inc. Top agencies Navy (Department of the Navy)	$594,742	0.1%	Rank history: not on the FY2021 list, #82 in FY2022, #71 in FY2023 and #61 in FY2024; down 13 since FY2024.
75	The Building People LLC Top agencies USDA (Department of Agriculture)	$594,056	0.1%	Rank history: #74 in FY2021, #33 in FY2022, #33 in FY2023 and #58 in FY2024; down 17 since FY2024.
76	Trillamed LLC Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$565,954	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
77	Keysight Technologies, Inc. Top agencies Navy (Department of the Navy)	$554,205	0.1%	Rank history: not on the FY2021 list, #95 in FY2022, #86 in FY2023 and #78 in FY2024; up 1 since FY2024.
78	Ameri Con Inc. Top agencies VA (Department of Veterans Affairs)	$533,187	0.1%	Rank history: #88 in FY2021, #87 in FY2022, #97 in FY2023 and #75 in FY2024; down 3 since FY2024.
79	Massachusetts Department of Public Health Top agencies HHS (Department of Health and Human Services)	$498,957	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
80	NTS Technical Systems, LLC Top agencies Navy (Department of the Navy)	$496,527	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
81	Kratos Sre, Inc. Top agencies NASA (National Aeronautics and Space Administration)	$484,728	0.1%	Rank history: not on the FY2021–FY2023 lists and #52 in FY2024; down 29 since FY2024.
82	Dayton T. Brown, Inc. Top agencies Navy (Department of the Navy)	$476,168	0.1%	Rank history: not on the FY2021–FY2022 lists, #66 in FY2023 and not on the FY2024 list; up 51 since FY2024.
83	Tech62 Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$476,156	0.1%	Rank history: not on the FY2021–FY2023 lists and #93 in FY2024; up 10 since FY2024.
84	Department of Environment & Conservation Tennessee Top agencies HHS (Department of Health and Human Services)	$471,035	0.1%	Rank history: not on the FY2021–FY2023 lists and #94 in FY2024; up 10 since FY2024.
85	Michigan Department of Labor and Economic Opportunity Top agencies HHS (Department of Health and Human Services)	$453,555	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
86	New Jersey Department of Environmental Protection Top agencies HHS (Department of Health and Human Services)	$448,210	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
87	Vision Building Energy Efficiency LLC Top agencies USAF (Department of the Air Force)	$422,500	0.1%	Rank history: not on the FY2021–FY2023 lists and #46 in FY2024; down 41 since FY2024.
88	Elcon Enterprises Inc. Top agencies DLA (Defense Logistics Agency)	$421,592	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
89	ENV Services Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) USDA (Department of Agriculture)	$402,014	0.1%	Rank history: not on the FY2021–FY2024 lists; up 34 since FY2024.
90	LBT Diagnostic Radiation Physics Consulting Ltd Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$395,724	0.1%	Rank history: not on the FY2021–FY2024 lists; up 80 since FY2024.
91	Ohio Department of Health Top agencies HHS (Department of Health and Human Services)	$390,526	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
92	Agilent Technologies, Inc. Top agencies DHS (Department of Homeland Security) EPA (Environmental Protection Agency) HHS (Department of Health and Human Services)	$388,269	0.1%	Rank history: not on the FY2021–FY2024 lists; up 108 since FY2024.
93	Dept of Energy & Environmental Protection Top agencies HHS (Department of Health and Human Services)	$384,054	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
94	Siris LLC Top agencies DOI (Department of the Interior)	$381,937	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
95	Advanced Computer Concepts, Inc. Top agencies MDA (DOD Missile Defense Agency)	$372,483	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
96	Safety Technology Holdings Inc. Through Humanetics Innovative Solutions, Inc. Top agencies DOT (Department of Transportation)	$370,878	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
97	Georgia Department of Community Health Top agencies HHS (Department of Health and Human Services)	$360,092	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 11 since FY2024.
98	Mass Tank Inspection Services LLC Top agencies Navy (Department of the Navy)	$350,712	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 13 since FY2024.
99	The Smithers Group Inc Through Smithers MSE Inc. Top agencies DOT (Department of Transportation)	$340,464	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 21 since FY2024.
100	Bryant Power Solutions L.l.c Top agencies VA (Department of Veterans Affairs)	$335,975	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 13 since FY2024.

Show 75 more

100 of 745 contractors listed here. See the rest on GovTribe.

Rankings for the codes under PSC H2

Code	Net obligations	Largest contractor
H259 Equipment and Materials Testing: Electrical and Electronic Equipment Components	$56,529,155	Arcticom, LLC
H270 Equipment and Materials Testing: Automatic Data Processing Equipment (Including Firmware), Software, Supplies and Support Equipment	$38,940,425	Booz Allen Hamilton Holding Corporation
H266 Equipment and Materials Testing: Instruments and Laboratory Equipment	$24,539,871	The Bionetics Corporation
H249 Equipment and Materials Testing: Maintenance and Repair Shop Equipment	$22,352,193	General Dynamics Corporation
H265 Equipment and Materials Testing: Medical, Dental, and Veterinary Equipment and Supplies	$16,245,546	California Department of Public Health
H261 Equipment and Materials Testing: Electric Wire, and Power and Distribution Equipment	$2,773,860	Ameri Con Inc.
H246 Equipment and Materials Testing: Water Purification and Sewage Treatment Equipment	$1,366,334	Mecx, Inc.
H212 Equipment and Materials Testing: Fire Control Equipment	-$756,900	Johnson Controls Inc
H299 Equipment and Materials Testing: Miscellaneous	-$1,366,269	Linde Special Projects LLC

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 $768 million 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.

Quick answers

Who were the top 10 PSC H2 contractors in FY2025?

1. Reliance Test & Technology, LLC ($148M), 2. Unmanned Systems Incorporated ($80.9M), 3. Arcticom, LLC ($48.8M), 4. Northrop Grumman Corporation ($29M), 5. L3Harris Technologies, Inc. ($28.8M), 6. Trax International Corporation ($28.3M), 7. RTX Corporation ($25.6M), 8. General Dynamics Corporation ($23.9M), 9. The Bionetics Corporation ($21.8M), 10. Ensco Inc. ($18.5M).

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