Top 100 Defense Human Resources Activity Contractors, FY2025

Name: Top 100 Defense Human Resources Activity Contractors, FY2025
Creator: GovTribe

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

The top 10 won 68% of FY2025 Defense Human Resources Activity contract dollars

Contract obligations: $741,390,643 Net of deobligations, by the Defense Human Resources Activity and its offices
Contractors: 175 Parent companies with an obligation
Largest contractor: Deloitte $227 million, 23.7% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	Deloitte Through Deloitte Consulting LLP Top NAICS codes 541512 Computer Systems Design Services 541330 Engineering Services 541611 Administrative Management and General Management Consulting Services	$226,972,030	23.7%	Rank history: not on the FY2021–FY2023 lists and #3 in FY2024; up 2 since FY2024.
2	Peraton Inc. 2 awardees, including Peraton Enterprise Solutions LLC Top NAICS codes 541512 Computer Systems Design Services 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services 541519 Other Computer Related Services	$106,376,396	11.1%	Rank history: not on the FY2021–FY2023 lists and #2 in FY2024; unchanged since FY2024.
3	The Interpublic Group of Companies Inc Through Mullenlowe US Inc. Top NAICS codes 541810 Advertising Agencies	$63,741,039	6.6%	Rank history: not on the FY2021–FY2023 lists and #4 in FY2024; up 1 since FY2024.
4	Booz Allen Hamilton Holding Corporation Through Booz Allen Hamilton Inc. Top NAICS codes 541512 Computer Systems Design Services 541511 Custom Computer Programming Services 541330 Engineering Services	$48,936,726	5.1%	Rank history: #12 in FY2021, #8 in FY2022, #10 in FY2023 and #7 in FY2024; up 3 since FY2024.
5	Human Resources Research Organization (Humrro) Top NAICS codes 611710 Educational Support Services	$45,582,433	4.8%	Rank history: #11 in FY2021, #5 in FY2022, #5 in FY2023 and #6 in FY2024; up 1 since FY2024.
6	Leidos Holdings, Inc. 2 awardees, including Leidos, Inc. Top NAICS codes 541512 Computer Systems Design Services	$40,389,491	4.2%	Rank history: #7 in FY2021, #4 in FY2022, #4 in FY2023 and #13 in FY2024; up 7 since FY2024.
7	Xtec, Incorporated Top NAICS codes 334111 Electronic Computer Manufacturing	$36,658,731	3.8%	Rank history: #20 in FY2021, #7 in FY2022, #7 in FY2023 and #18 in FY2024; up 11 since FY2024.
8	Fors Marsh Group LLC Top NAICS codes 541720 Research and Development in the Social Sciences and Humanities	$36,605,031	3.8%	Rank history: #9 in FY2021, #9 in FY2022, #9 in FY2023 and #8 in FY2024; unchanged since FY2024.
9	Institute of International Education Inc. Top NAICS codes 611710 Educational Support Services	$28,904,481	3.0%	Rank history: #6 in FY2021, #6 in FY2022, #3 in FY2023 and #5 in FY2024; down 4 since FY2024.
10	Rei Systems, Inc. Top NAICS codes 541512 Computer Systems Design Services	$16,433,090	1.7%	Rank history: #17 in FY2021, #10 in FY2022, #13 in FY2023 and #14 in FY2024; up 4 since FY2024.
11	E.f. Kearney, Limited Through Kearney & Company, P.C. Top NAICS codes 541211 Offices of Certified Public Accountants	$12,597,814	1.3%	Rank history: not on the FY2021–FY2024 lists; new.
12	Guidehouse Digital LLC Top NAICS codes 541512 Computer Systems Design Services	$12,316,770	1.3%	Rank history: not on the FY2021–FY2024 lists; new.
13	Rape, Abuse and Incest National Network Rainn Top NAICS codes 624190 Other Individual and Family Services	$12,177,374	1.3%	Rank history: #26 in FY2021, #15 in FY2022, #15 in FY2023 and #17 in FY2024; up 4 since FY2024.
14	Arctic Slope Regional Corporation Through Netcentric Technology, LLC Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$11,685,677	1.2%	Rank history: #16 in FY2021, #14 in FY2022, #19 in FY2023 and #10 in FY2024; down 4 since FY2024.
15	Nana Regional Corporation Inc. Through Lockwood Hills Federal LLC Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$8,956,743	0.9%	Rank history: not on the FY2021–FY2023 lists and #25 in FY2024; up 10 since FY2024.
16	Clearavenue LLC Top NAICS codes 541519 Other Computer Related Services	$7,218,704	0.8%	Rank history: #14 in FY2021, #16 in FY2022, #27 in FY2023 and #40 in FY2024; up 24 since FY2024.
17	Oracle Health Government Services Inc. Through Oracle America, Inc. Top NAICS codes 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services	$6,567,795	0.7%	Rank history: not on the FY2021–FY2023 lists and #90 in FY2024; up 73 since FY2024.
18	Carahsoft Technology Corp Top NAICS codes 511210 Software Publishers 513210 Software Publishers	$6,303,965	0.7%	Rank history: not on the FY2021–FY2022 lists, #61 in FY2023 and not on the FY2024 list; up 110 since FY2024.
19	Magellan Federal Inc. Top NAICS codes 624190 Other Individual and Family Services	$5,953,324	0.6%	Rank history: not on the FY2021–FY2023 lists and #49 in FY2024; up 30 since FY2024.
20	Goldbelt Apex, LLC Top NAICS codes 541511 Custom Computer Programming Services	$5,703,726	0.6%	Rank history: not on the FY2021–FY2023 lists and #36 in FY2024; up 16 since FY2024.
21	Indrasoft Inc. Top NAICS codes 541519 Other Computer Related Services	$5,549,632	0.6%	Rank history: not on the FY2021–FY2023 lists and #23 in FY2024; up 2 since FY2024.
22	Data Recognition Corporation Top NAICS codes 541910 Marketing Research and Public Opinion Polling	$5,376,614	0.6%	Rank history: #21 in FY2021, #25 in FY2022, #20 in FY2023 and #41 in FY2024; up 19 since FY2024.
23	General Dynamics Corporation Through General Dynamics Information Technology, Inc. Top NAICS codes 541512 Computer Systems Design Services	$5,376,058	0.6%	Rank history: #59 in FY2021, #24 in FY2022, #24 in FY2023 and #22 in FY2024; down 1 since FY2024.
24	National Opinion Research Center Top NAICS codes 541720 Research and Development in the Social Sciences and Humanities	$5,000,152	0.5%	Rank history: #29 in FY2021, #23 in FY2022, #21 in FY2023 and #27 in FY2024; up 3 since FY2024.
25	Caci Enterprise Solutions LLC Top NAICS codes 541512 Computer Systems Design Services	$4,524,426	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
26	Tripoint Solutions, LLC Top NAICS codes 541512 Computer Systems Design Services	$4,470,868	0.5%	Rank history: not on the FY2021–FY2024 lists; new.
27	Interactive Government Holdings, Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$4,438,281	0.5%	Rank history: not on the FY2021–FY2023 lists and #34 in FY2024; up 7 since FY2024.
28	Acuity-Chs, LLC Top NAICS codes 621111 Offices of Physicians (except Mental Health Specialists)	$4,378,254	0.5%	Rank history: #92 in FY2021, not on the FY2022–FY2023 lists and #45 in FY2024; up 17 since FY2024.
29	II Corps Consultants, Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$4,220,237	0.4%	Rank history: not on the FY2021–FY2023 lists and #28 in FY2024; down 1 since FY2024.
30	American Council On Education Top NAICS codes 611710 Educational Support Services	$4,192,688	0.4%	Rank history: #24 in FY2021, #32 in FY2022, #25 in FY2023 and #30 in FY2024; unchanged since FY2024.
31	Aderas Inc. Top NAICS codes 541512 Computer Systems Design Services	$3,970,265	0.4%	Rank history: not on the FY2021 list, #30 in FY2022, #28 in FY2023 and #32 in FY2024; up 1 since FY2024.
32	Accenture Federal Services LLC Through ASM Research, LLC Top NAICS codes 541512 Computer Systems Design Services	$3,864,679	0.4%	Rank history: not on the FY2021–FY2023 lists and #42 in FY2024; up 10 since FY2024.
33	Asgn Incorporated Through ECS Federal, LLC Top NAICS codes 541330 Engineering Services	$3,765,534	0.4%	Rank history: not on the FY2021–FY2023 lists and #96 in FY2024; up 63 since FY2024.
34	Koniag Data Solutions LLC Top NAICS codes 541512 Computer Systems Design Services	$3,753,984	0.4%	Rank history: not on the FY2021–FY2023 lists and #29 in FY2024; down 5 since FY2024.
35	Jardon & Howard Technologies LLC Top NAICS codes 541512 Computer Systems Design Services	$3,613,973	0.4%	Rank history: not on the FY2021 list, #18 in FY2022 and not on the FY2023–FY2024 lists; returned.
36	Crisis24 Inc. Top NAICS codes 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services	$3,580,410	0.4%	Rank history: not on the FY2021–FY2023 lists and #37 in FY2024; up 1 since FY2024.
37	Patrona Corporation Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$3,050,902	0.3%	Rank history: not on the FY2021–FY2023 lists and #38 in FY2024; up 1 since FY2024.
38	Exponent Inc. Top NAICS codes 541330 Engineering Services	$3,019,103	0.3%	Rank history: #44 in FY2021, #42 in FY2022, #66 in FY2023 and #35 in FY2024; down 3 since FY2024.
39	Clason Point Partners Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$2,864,540	0.3%	Rank history: #32 in FY2021, #33 in FY2022, #30 in FY2023 and #33 in FY2024; down 6 since FY2024.
40	Kaimetrix L.L.C. Top NAICS codes 541511 Custom Computer Programming Services	$2,699,013	0.3%	Rank history: not on the FY2021–FY2023 lists and #48 in FY2024; up 8 since FY2024.
41	Exhibit Arts. LLC Top NAICS codes 541890 Other Services Related to Advertising	$2,652,872	0.3%	Rank history: #47 in FY2021, #44 in FY2022, #40 in FY2023 and #50 in FY2024; up 9 since FY2024.
42	Dell Technologies Inc. 2 awardees, including Dell Marketing L.P. and Dell Federal Systems L.P Top NAICS codes 511210 Software Publishers 513210 Software Publishers	$2,477,783	0.3%	Rank history: not on the FY2021–FY2023 lists and #46 in FY2024; up 4 since FY2024.
43	College Entrance Examination Board 3 awardees Top NAICS codes 611710 Educational Support Services	$2,472,365	0.3%	Rank history: #35 in FY2021, #49 in FY2022, #43 in FY2023 and #60 in FY2024; up 17 since FY2024.
44	Robert D. Niehaus, Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$2,243,236	0.2%	Rank history: #52 in FY2021, #56 in FY2022, #51 in FY2023 and #66 in FY2024; up 22 since FY2024.
45	Exigent Services LLC Top NAICS codes 541613 Marketing Consulting Services	$2,193,404	0.2%	Rank history: not on the FY2021–FY2022 lists, #41 in FY2023 and #19 in FY2024; down 26 since FY2024.
46	TM3 Solutions Inc. Top NAICS codes 541519 Other Computer Related Services	$2,106,452	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
47	Redwood Strategy Group Inc. Top NAICS codes 541219 Other Accounting Services	$2,103,044	0.2%	Rank history: not on the FY2021–FY2023 lists and #53 in FY2024; up 6 since FY2024.
48	Applied Development, LLC Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$2,084,959	0.2%	Rank history: #48 in FY2021, #45 in FY2022, #38 in FY2023 and #47 in FY2024; down 1 since FY2024.
49	Millennium Health & Fitness, Inc. Top NAICS codes 561990 All Other Support Services	$2,084,428	0.2%	Rank history: #81 in FY2021 and not on the FY2022–FY2024 lists; returned.
50	Amazon Web Services, Inc. Top NAICS codes 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services	$2,074,041	0.2%	Rank history: not on the FY2021–FY2023 lists and #59 in FY2024; up 9 since FY2024.
51	Center for Applied Linguistics Top NAICS codes 611430 Professional and Management Development Training	$1,999,999	0.2%	Rank history: #46 in FY2021, #46 in FY2022, #48 in FY2023 and #55 in FY2024; up 4 since FY2024.
52	The Joachim Group, Cpa's & Consultants, LLC Top NAICS codes 541219 Other Accounting Services	$1,922,592	0.2%	Rank history: not on the FY2021–FY2023 lists and #57 in FY2024; up 5 since FY2024.
53	Chugach Dynamic Solutions LLC Top NAICS codes 541512 Computer Systems Design Services	$1,887,435	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
54	Transtecs Corporation Top NAICS codes 541614 Process, Physical Distribution, and Logistics Consulting Services	$1,663,530	0.2%	Rank history: #95 in FY2021, #95 in FY2022, #90 in FY2023 and not on the FY2024 list; up 63 since FY2024.
55	2Techjv, LLC Top NAICS codes 541512 Computer Systems Design Services	$1,603,167	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
56	Delany Siegel Zorn & Associates Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$1,441,980	0.2%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2023 and #78 in FY2024; up 22 since FY2024.
57	Capella Partners LLC Top NAICS codes 541511 Custom Computer Programming Services	$1,366,870	0.1%	Rank history: not on the FY2021–FY2022 lists, #58 in FY2023 and #67 in FY2024; up 10 since FY2024.
58	Thinktek LLC Top NAICS codes 541519 Other Computer Related Services	$1,308,305	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
59	Azoole LLC Top NAICS codes 541512 Computer Systems Design Services	$1,261,802	0.1%	Rank history: not on the FY2021–FY2022 lists, #82 in FY2023 and #70 in FY2024; up 11 since FY2024.
60	Cherokee Nation Defense Solutions LLC Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$1,248,442	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
61	Gentech Associates Inc. Top NAICS codes 541211 Offices of Certified Public Accountants	$1,188,250	0.1%	Rank history: not on the FY2021–FY2022 lists, #63 in FY2023 and #71 in FY2024; up 10 since FY2024.
62	BAM Technologies LLC Top NAICS codes 541519 Other Computer Related Services	$1,162,041	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
63	Prometric LLC Top NAICS codes 611710 Educational Support Services	$1,063,669	0.1%	Rank history: not on the FY2021–FY2023 lists and #94 in FY2024; up 31 since FY2024.
64	Government Acquisitions LLC Top NAICS codes 541519 Other Computer Related Services	$1,021,306	0.1%	Rank history: not on the FY2021–FY2024 lists; up 112 since FY2024.
65	National Organization for Victim Assistance, Inc. Top NAICS codes 611430 Professional and Management Development Training	$1,015,805	0.1%	Rank history: #73 in FY2021, #67 in FY2022, #64 in FY2023 and #72 in FY2024; up 7 since FY2024.
66	Amananet, Inc. Top NAICS codes 611430 Professional and Management Development Training	$1,002,262	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
67	Hope Services Top NAICS codes 561720 Janitorial Services	$926,942	0.1%	Rank history: #82 in FY2021, #80 in FY2022, #78 in FY2023 and #82 in FY2024; up 15 since FY2024.
68	Eminent It LLC Top NAICS codes 541511 Custom Computer Programming Services	$921,702	0.1%	Rank history: #71 in FY2021, #71 in FY2022, #71 in FY2023 and #83 in FY2024; up 15 since FY2024.
69	Communication Institute International, Inc. Top NAICS codes 611430 Professional and Management Development Training	$897,367	0.1%	Rank history: not on the FY2021 list, #88 in FY2022, #77 in FY2023 and #84 in FY2024; up 15 since FY2024.
70	Technuf LLC Top NAICS codes 541511 Custom Computer Programming Services	$881,053	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
71	Avani Services, LLC Top NAICS codes 541612 Human Resources Consulting Services 611430 Professional and Management Development Training	$875,706	0.1%	Rank history: not on the FY2021–FY2024 lists; up 58 since FY2024.
72	Ergoguys, LLC Top NAICS codes 337214 Office Furniture (except Wood) Manufacturing 334290 Other Communications Equipment Manufacturing	$818,627	0.1%	Rank history: not on the FY2021–FY2022 lists, #65 in FY2023 and #73 in FY2024; up 1 since FY2024.
73	Peterson's, LLC Top NAICS codes 611699 All Other Miscellaneous Schools and Instruction	$784,595	0.1%	Rank history: not on the FY2021–FY2023 lists and #51 in FY2024; down 22 since FY2024.
74	AOC Connect, LLC Top NAICS codes 517110 Wired Telecommunications Carriers	$778,119	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
75	Immersion Consulting LLC Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$769,709	0.1%	Rank history: #76 in FY2021, #77 in FY2022, #76 in FY2023 and #86 in FY2024; up 11 since FY2024.
76	Claxton Logistics Services LLC Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$722,930	0.1%	Rank history: not on the FY2021–FY2024 lists; up 38 since FY2024.
77	Punch Cyber Corp Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$678,228	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
78	Vistra Communications LLC Top NAICS codes 541613 Marketing Consulting Services	$672,674	0.1%	Rank history: not on the FY2021–FY2023 lists and #74 in FY2024; down 4 since FY2024.
79	Ishpi Information Technologies Inc. Top NAICS codes 541519 Other Computer Related Services	$664,129	0.1%	Rank history: not on the FY2021–FY2022 lists, #56 in FY2023 and #54 in FY2024; down 25 since FY2024.
80	Assyst Inc. Top NAICS codes 541519 Other Computer Related Services	$662,367	0.1%	Rank history: #90 in FY2021, #81 in FY2022, #79 in FY2023 and #87 in FY2024; up 7 since FY2024.
81	Nisga'a Tek, LLC Top NAICS codes 541511 Custom Computer Programming Services	$646,623	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
82	Intellectechs Inc. Top NAICS codes 541511 Custom Computer Programming Services	$624,737	0.1%	Rank history: not on the FY2021 list, #86 in FY2022, #83 in FY2023 and #93 in FY2024; up 11 since FY2024.
83	World Wide Technology LLC Top NAICS codes 541519 Other Computer Related Services	$584,833	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
84	Dark Wolf Solutions, LLC Top NAICS codes 541511 Custom Computer Programming Services	$577,756	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
85	Arrow Electronics, Inc. 2 awardees, including EC America, Inc. and Immixtechnology Inc. Top NAICS codes 443120 Computer and Software Stores 541519 Other Computer Related Services	$574,190	0.1%	Rank history: #100 in FY2021, #82 in FY2022, #81 in FY2023 and #88 in FY2024; up 3 since FY2024.
86	Rackner Inc. Top NAICS codes 541511 Custom Computer Programming Services	$558,863	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
87	The Bowen Consulting Group. Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$553,125	0.1%	Rank history: #67 in FY2021, #64 in FY2022, #59 in FY2023 and #69 in FY2024; down 18 since FY2024.
88	DV United LLC Top NAICS codes 541512 Computer Systems Design Services	$546,727	0.1%	Rank history: not on the FY2021–FY2022 lists, #86 in FY2023 and not on the FY2024 list; up 13 since FY2024.
89	Sterling Computers Corporation Top NAICS codes 541519 Other Computer Related Services	$515,676	0.1%	Rank history: #74 in FY2021, #79 in FY2022, #55 in FY2023 and #63 in FY2024; down 26 since FY2024.
90	Seed Innovations, LLC Top NAICS codes 541511 Custom Computer Programming Services	$512,598	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
91	Four LLC Top NAICS codes 541519 Other Computer Related Services	$492,791	0.1%	Rank history: not on the FY2021–FY2022 lists, #72 in FY2023 and not on the FY2024 list; up 11 since FY2024.
92	A-G Associates, Inc. Top NAICS codes 541611 Administrative Management and General Management Consulting Services	$473,481	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
93	Microsoft Corporation Top NAICS codes 541512 Computer Systems Design Services	$439,230	<0.1%	Rank history: not on the FY2021–FY2023 lists and #58 in FY2024; down 35 since FY2024.
94	Metronome LLC Top NAICS codes 541511 Custom Computer Programming Services	$431,821	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
95	Aptima Inc. Top NAICS codes 541511 Custom Computer Programming Services	$399,964	<0.1%	Rank history: not on the FY2021–FY2023 lists and #76 in FY2024; down 19 since FY2024.
96	Charles River Analytics, Inc. Top NAICS codes 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	$378,723	<0.1%	Rank history: not on the FY2021 list, #72 in FY2022, not on the FY2023 list and #89 in FY2024; down 7 since FY2024.
97	Vantage Point Consulting Inc. Top NAICS codes 541511 Custom Computer Programming Services	$365,171	<0.1%	Rank history: not on the FY2021–FY2022 lists, #54 in FY2023 and #98 in FY2024; up 1 since FY2024.
98	GTT Global Telecom Government Services, LLC Top NAICS codes 517111 Wired Telecommunications Carriers 517311 Wired Telecommunications Carriers	$329,971	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
99	Image Management Systems, Inc. Top NAICS codes 517410 Satellite Telecommunications	$327,398	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 21 since FY2024.
100	Athena Consulting LLC Top NAICS codes 541612 Human Resources Consulting Services	$288,412	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.

Show 75 more

100 of 175 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 $959 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 Defense Human Resources Activity contractors in FY2025?

1. Deloitte ($227M), 2. Peraton Inc. ($106M), 3. The Interpublic Group of Companies Inc ($63.7M), 4. Booz Allen Hamilton Holding Corporation ($48.9M), 5. Human Resources Research Organization (Humrro) ($45.6M), 6. Leidos Holdings, Inc. ($40.4M), 7. Xtec, Incorporated ($36.7M), 8. Fors Marsh Group LLC ($36.6M), 9. Institute of International Education Inc. ($28.9M), 10. Rei Systems, Inc. ($16.4M).

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