Top 100 Contractors in PSC R431: Support – Professional: Human Resources, Aug 2025–Jul 2026

Name: Top 100 Contractors in PSC R431: Support – Professional: Human Resources, Aug 2025–Jul 2026
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

Parent companies by net contract obligations Aug 1, 2025 – Jul 31, 2026 Code page on GovTribe

The latest 12 months. See the newest fiscal year's list: Top Contractors in PSC R431: Support – Professional: Human Resources, FY2025.

The top 10 won 54% of PSC R431 contract dollars from August 2025 through July 2026

Contract obligations: $378,717,685 Net of deobligations, by contracts coded PSC R431
Contractors: 183 Parent companies with an obligation
Largest contractor: Deloitte $55.7 million, 13.0% of obligations
Data as of: Nov 5, 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	Deloitte Through Deloitte Consulting LLP Top agencies DHS (Department of Homeland Security) OPM (Office of Personnel Management) USAID (US Agency for International Development)	$55,653,400	13.0%	Rank history: #2 in FY2021, #7 in FY2022, #4 in FY2023, #1 in FY2024 and #1 in FY2025; unchanged since Aug 2024–Jul 2025.
2	Heidrick & Struggles International Inc. Top agencies WHS (DOD Washington Headquarters Service) OSD (Office of the Secretary of Defense)	$33,983,707	8.0%	Rank history: not on the FY2021–FY2024 lists and #10 in FY2025; up 58 since Aug 2024–Jul 2025.
3	Strategic Data Systems, Inc. Top agencies Navy (Department of the Navy)	$24,221,636	5.7%	Rank history: not on the FY2021–FY2024 lists and #8 in FY2025; new, not ranked in Aug 2024–Jul 2025.
4	Your Recruiting Company, Inc. Top agencies Commerce (Department of Commerce) USDA (Department of Agriculture) HHS (Department of Health and Human Services)	$23,184,311	5.4%	Rank history: #7 in FY2021, #9 in FY2022, #2 in FY2023, #2 in FY2024 and #12 in FY2025; unchanged since Aug 2024–Jul 2025.
5	Calibre Systems Inc. Top agencies VA (Department of Veterans Affairs)	$21,971,659	5.1%	Rank history: #4 in FY2021, #6 in FY2022, #7 in FY2023, #4 in FY2024 and #5 in FY2025; unchanged since Aug 2024–Jul 2025.
6	Golden Key Group LLC Top agencies Commerce (Department of Commerce) DOS (Department of State) DOJ (Department of Justice)	$19,894,682	4.7%	Rank history: #9 in FY2021, #4 in FY2022, #8 in FY2023, #3 in FY2024 and #2 in FY2025; down 3 since Aug 2024–Jul 2025.
7	International Business Machines Corporation Top agencies GSA (General Services Administration)	$16,121,283	3.8%	Rank history: #8 in FY2021, #15 in FY2022, #13 in FY2023, #7 in FY2024 and #3 in FY2025; down 1 since Aug 2024–Jul 2025.
8	National Associates, Inc. Top agencies Treasury (Department of the Treasury)	$12,944,383	3.0%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
9	FYI - for Your Information, Inc. Top agencies DHS (Department of Homeland Security) DOJ (Department of Justice) DOE (Department of Energy)	$11,834,055	2.8%	Rank history: #24 in FY2021, #22 in FY2022, #14 in FY2023, #10 in FY2024 and #56 in FY2025; up 4 since Aug 2024–Jul 2025.
10	Goldbelt, Incorporated 3 awardees, including Goldbelt Professional Services, LLC, Nisga'a Ciops LLC and Goldbelt C6, LLC Top agencies Treasury (Department of the Treasury) DOJ (Department of Justice) DOS (Department of State)	$11,615,443	2.7%	Rank history: not on the FY2021–FY2022 lists, #82 in FY2023, not on the FY2024 list and #6 in FY2025; new, not ranked in Aug 2024–Jul 2025.
11	National Academy of Sciences Top agencies USAF (Department of the Air Force)	$9,070,260	2.1%	Rank history: #12 in FY2021, #32 in FY2022, #22 in FY2023, #11 in FY2024 and #18 in FY2025; up 9 since Aug 2024–Jul 2025.
12	Acentra Health LLC Through EAP Consultants, LLC Top agencies DHS (Department of Homeland Security) EPA (Environmental Protection Agency)	$7,052,779	1.6%	Rank history: not on the FY2021–FY2024 lists and #11 in FY2025; new, not ranked in Aug 2024–Jul 2025.
13	Oban Corporation Top agencies HHS (Department of Health and Human Services)	$6,141,757	1.4%	Rank history: not on the FY2021–FY2023 lists, #13 in FY2024 and #7 in FY2025; down 4 since Aug 2024–Jul 2025.
14	Govstrive LLC Top agencies USDA (Department of Agriculture)	$5,516,201	1.3%	Rank history: #5 in FY2021, #3 in FY2022, #3 in FY2023, #14 in FY2024 and #36 in FY2025; up 3 since Aug 2024–Jul 2025.
15	R3 Government Solutions, LLC Top agencies DCSA (Defense Counterintelligence and Security Agency) DHS (Department of Homeland Security) Treasury (Department of the Treasury)	$5,301,109	1.2%	Rank history: #10 in FY2021, #10 in FY2022, #9 in FY2023, #9 in FY2024 and #9 in FY2025; down 7 since Aug 2024–Jul 2025.
16	I Tech AG LLC Top agencies Commerce (Department of Commerce)	$5,268,120	1.2%	Rank history: #78 in FY2021, not on the FY2022–FY2023 lists, #58 in FY2024 and #16 in FY2025; unchanged since Aug 2024–Jul 2025.
17	Kiliuda Consulting Top agencies HHS (Department of Health and Human Services)	$5,142,750	1.2%	Rank history: not on the FY2021–FY2024 lists and #19 in FY2025; up 131 since Aug 2024–Jul 2025.
18	Gemini Tech Services LLC Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$4,469,091	1.0%	Rank history: #34 in FY2021, #34 in FY2022, #60 in FY2023, #36 in FY2024 and #24 in FY2025; up 1 since Aug 2024–Jul 2025.
19	Monster Government Solutions, LLC Top agencies DOS (Department of State) DOT (Department of Transportation)	$4,292,140	1.0%	Rank history: not on the FY2021–FY2023 lists, #33 in FY2024 and not on the FY2025 list; up 7 since Aug 2024–Jul 2025.
20	A P Ventures, LLC Top agencies DHS (Department of Homeland Security) DOL (Department of Labor)	$4,255,229	1.0%	Rank history: #65 in FY2021, #30 in FY2022, #28 in FY2023, #40 in FY2024 and #15 in FY2025; up 5 since Aug 2024–Jul 2025.
21	Government Retirement & Benefits, Inc. Top agencies DOJ (Department of Justice) DOT (Department of Transportation) Commerce (Department of Commerce)	$3,887,023	0.9%	Rank history: #46 in FY2021, #43 in FY2022, #40 in FY2023, #32 in FY2024 and #23 in FY2025; up 8 since Aug 2024–Jul 2025.
22	The Chenega Corporation 2 awardees, including Chenega Systems, LLC and Chenega Enterprise Systems & Solutions, LLC Top agencies Commerce (Department of Commerce) HHS (Department of Health and Human Services)	$3,371,232	0.8%	Rank history: not on the FY2021–FY2024 lists and #29 in FY2025; new, not ranked in Aug 2024–Jul 2025.
23	Ava TECH LLC Top agencies USAF (Department of the Air Force)	$3,365,431	0.8%	Rank history: not on the FY2021–FY2023 lists, #69 in FY2024 and #17 in FY2025; up 5 since Aug 2024–Jul 2025.
24	Keystone Ocean Services, Inc. Top agencies Commerce (Department of Commerce)	$3,331,466	0.8%	Rank history: #64 in FY2021, #42 in FY2022, #25 in FY2023, #39 in FY2024 and #22 in FY2025; up 56 since Aug 2024–Jul 2025.
25	Rividium Inc. Top agencies DHS (Department of Homeland Security) Commerce (Department of Commerce)	$3,084,878	0.7%	Rank history: #13 in FY2021, #19 in FY2022, #11 in FY2023, #6 in FY2024 and #13 in FY2025; down 11 since Aug 2024–Jul 2025.
26	Rumik Consultancy LLC Top agencies USDA (Department of Agriculture)	$2,998,870	0.7%	Rank history: #61 in FY2021, #61 in FY2022, #46 in FY2023, #41 in FY2024 and #66 in FY2025; up 25 since Aug 2024–Jul 2025.
27	Acquisition Solutions Eagles, LLC Top agencies MCC (Millennium Challenge Corporation)	$2,631,153	0.6%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
28	TRI Star Engineering Inc. Through Tristar, Inc. Top agencies Navy (Department of the Navy)	$2,384,475	0.6%	Rank history: not on the FY2021–FY2022 lists, #64 in FY2023, #42 in FY2024 and #27 in FY2025; down 1 since Aug 2024–Jul 2025.
29	Sierra Tahoe Investigations Top agencies VA (Department of Veterans Affairs)	$2,282,563	0.5%	Rank history: #67 in FY2021, not on the FY2022 list, #95 in FY2023, #68 in FY2024 and #35 in FY2025; up 35 since Aug 2024–Jul 2025.
30	Strategy Consulting Team, LLC Top agencies NASA (National Aeronautics and Space Administration)	$2,245,436	0.5%	Rank history: not on the FY2021–FY2022 lists, #68 in FY2023, #34 in FY2024 and #21 in FY2025; down 9 since Aug 2024–Jul 2025.
31	Wostmann and Associates Inc. Top agencies Commerce (Department of Commerce)	$1,869,034	0.4%	Rank history: not on the FY2021–FY2024 lists and #67 in FY2025; new, not ranked in Aug 2024–Jul 2025.
32	Salmon JV Inc. Top agencies Commerce (Department of Commerce)	$1,856,467	0.4%	Rank history: not on the FY2021–FY2023 lists, #67 in FY2024 and #55 in FY2025; up 21 since Aug 2024–Jul 2025.
33	QED Enterprises Inc. Top agencies Treasury (Department of the Treasury)	$1,834,111	0.4%	Rank history: not on the FY2021 list, #50 in FY2022, #54 in FY2023, #53 in FY2024 and #37 in FY2025; up 12 since Aug 2024–Jul 2025.
34	Cameo Consulting Group LLC Top agencies DHS (Department of Homeland Security) PBGC (Pension Benefit Guaranty Corporation) DOT (Department of Transportation)	$1,737,953	0.4%	Rank history: #94 in FY2021, #21 in FY2022, not on the FY2023 list, #28 in FY2024 and #44 in FY2025; up 9 since Aug 2024–Jul 2025.
35	C Evans Consulting LLC Top agencies DOE (Department of Energy) DOJ (Department of Justice) DOI (Department of the Interior)	$1,733,832	0.4%	Rank history: not on the FY2021–FY2023 lists, #35 in FY2024 and #41 in FY2025; down 11 since Aug 2024–Jul 2025.
36	The Ravens Group, Inc. Top agencies VA (Department of Veterans Affairs)	$1,649,376	0.4%	Rank history: #82 in FY2021, not on the FY2022–FY2023 lists, #85 in FY2024 and #39 in FY2025; up 38 since Aug 2024–Jul 2025.
37	Managed Care Advisors, Inc. Top agencies Commerce (Department of Commerce) SBA (Small Business Administration) National Gallery of Art	$1,634,871	0.4%	Rank history: not on the FY2021–FY2023 lists, #72 in FY2024 and #48 in FY2025; up 13 since Aug 2024–Jul 2025.
38	Friends Interpreting Services LLC Top agencies DOT (Department of Transportation)	$1,609,021	0.4%	Rank history: not on the FY2021–FY2023 lists, #65 in FY2024 and #34 in FY2025; up 6 since Aug 2024–Jul 2025.
39	Sustainable Design Consortium, (Sdc) Inc. Top agencies Commerce (Department of Commerce)	$1,531,190	0.4%	Rank history: not on the FY2021–FY2023 lists, #60 in FY2024 and #42 in FY2025; up 10 since Aug 2024–Jul 2025.
40	Computer Evidence Specialists, LLC Top agencies VA (Department of Veterans Affairs)	$1,490,366	0.3%	Rank history: #80 in FY2021, #96 in FY2022, not on the FY2023 list, #75 in FY2024 and #58 in FY2025; new, not ranked in Aug 2024–Jul 2025.
41	Thomas & Reed LLC Top agencies Commerce (Department of Commerce)	$1,464,344	0.3%	Rank history: not on the FY2021–FY2023 lists, #61 in FY2024 and not on the FY2025 list; up 63 since Aug 2024–Jul 2025.
42	General Dynamics Corporation Through General Dynamics Information Technology, Inc. Top agencies Commerce (Department of Commerce)	$1,404,252	0.3%	Rank history: not on the FY2021 list, #14 in FY2022, #42 in FY2023, #26 in FY2024 and #46 in FY2025; down 4 since Aug 2024–Jul 2025.
43	The Ross Agency, Inc. Top agencies VA (Department of Veterans Affairs)	$1,403,531	0.3%	Rank history: #76 in FY2021, not on the FY2022 list, #98 in FY2023, #80 in FY2024 and #45 in FY2025; up 27 since Aug 2024–Jul 2025.
44	Thundercat Technology LLC Top agencies Commerce (Department of Commerce)	$1,386,986	0.3%	Rank history: #52 in FY2021, #53 in FY2022, #74 in FY2023, #87 in FY2024 and #47 in FY2025; up 23 since Aug 2024–Jul 2025.
45	Avani Services, LLC Top agencies DHS (Department of Homeland Security)	$1,374,999	0.3%	Rank history: not on the FY2021–FY2024 lists and #76 in FY2025; new, not ranked in Aug 2024–Jul 2025.
46	Muscogee Staffing Solutions, LLC Top agencies Army (Department of the Army)	$1,364,791	0.3%	Rank history: not on the FY2021 list, #81 in FY2022, not on the FY2023 list, #79 in FY2024 and #49 in FY2025; up 6 since Aug 2024–Jul 2025.
47	Trident Technical Solutions, LLC Top agencies Commerce (Department of Commerce)	$1,348,842	0.3%	Rank history: #35 in FY2021, #23 in FY2022, #49 in FY2023, #56 in FY2024 and #40 in FY2025; up 51 since Aug 2024–Jul 2025.
48	Career Management International Inc. Top agencies HHS (Department of Health and Human Services)	$1,331,490	0.3%	Rank history: not on the FY2021–FY2023 lists, #63 in FY2024 and not on the FY2025 list; up 20 since Aug 2024–Jul 2025.
49	Tpg-Z LLC Top agencies DCSA (Defense Counterintelligence and Security Agency)	$1,314,872	0.3%	Rank history: not on the FY2021–FY2024 lists and #90 in FY2025; new, not ranked in Aug 2024–Jul 2025.
50	Martin Miser Cody & Associates LLC Top agencies VA (Department of Veterans Affairs)	$1,278,044	0.3%	Rank history: #72 in FY2021, #90 in FY2022, #96 in FY2023, #76 in FY2024 and #51 in FY2025; up 16 since Aug 2024–Jul 2025.
51	David Jones CPA PC Top agencies VA (Department of Veterans Affairs)	$1,237,083	0.3%	Rank history: not on the FY2021–FY2023 lists, #73 in FY2024 and #53 in FY2025; up 21 since Aug 2024–Jul 2025.
52	NCS Pearson, Inc. Through Personnel Decisions Research Institutes, LLC Top agencies DHS (Department of Homeland Security)	$1,164,337	0.3%	Rank history: not on the FY2021–FY2024 lists and #31 in FY2025; new, not ranked in Aug 2024–Jul 2025.
53	Lindholm & Associates, Inc. Top agencies DOE (Department of Energy) USTDA (United States Trade and Development Agency) EOP (Executive Office of the President)	$1,157,676	0.3%	Rank history: #27 in FY2021, #69 in FY2022, #38 in FY2023, #45 in FY2024 and #64 in FY2025; up 53 since Aug 2024–Jul 2025.
54	Sigma Information Management Corporation Top agencies DOS (Department of State)	$1,147,484	0.3%	Rank history: not on the FY2021–FY2022 lists, #89 in FY2023, #88 in FY2024 and #65 in FY2025; up 1 since Aug 2024–Jul 2025.
55	Linkvisum Consulting Group, Inc. Top agencies DHS (Department of Homeland Security)	$1,106,667	0.3%	Rank history: not on the FY2021–FY2023 lists, #78 in FY2024 and #59 in FY2025; up 4 since Aug 2024–Jul 2025.
56	Smoothstack, Inc. Top agencies Treasury (Department of the Treasury)	$1,082,560	0.3%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
57	Tower Strategy Group Inc Top agencies DOT (Department of Transportation)	$1,037,152	0.2%	Rank history: not on the FY2021–FY2022 lists, #47 in FY2023, not on the FY2024 list and #61 in FY2025; new, not ranked in Aug 2024–Jul 2025.
58	West 4TH Strategy LLC Top agencies DOT (Department of Transportation)	$1,006,164	0.2%	Rank history: not on the FY2021–FY2023 lists, #84 in FY2024 and #84 in FY2025; up 43 since Aug 2024–Jul 2025.
59	Business Management Associates Inc. Top agencies NRC (Nuclear Regulatory Commission) DOT (Department of Transportation)	$961,366	0.2%	Rank history: #30 in FY2021, #36 in FY2022, #39 in FY2023, #51 in FY2024 and #69 in FY2025; down 20 since Aug 2024–Jul 2025.
60	Koniag, Inc. 2 awardees, including Pacarctic, LLC Top agencies DOS (Department of State)	$951,784	0.2%	Rank history: #57 in FY2021, not on the FY2022–FY2024 lists and #20 in FY2025; new, not ranked in Aug 2024–Jul 2025.
61	Bloomtech Inc. Top agencies Treasury (Department of the Treasury)	$947,103	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
62	Mano Lani LLC Top agencies Army (Department of the Army)	$931,862	0.2%	Rank history: not on the FY2021–FY2024 lists and #68 in FY2025; up 14 since Aug 2024–Jul 2025.
63	It Concepts, Inc. Top agencies Commerce (Department of Commerce) USDA (Department of Agriculture)	$907,486	0.2%	Rank history: #90 in FY2021, #37 in FY2022, #29 in FY2023, #18 in FY2024 and #70 in FY2025; up 14 since Aug 2024–Jul 2025.
64	Janus Associates, Inc. Top agencies DOJ (Department of Justice)	$882,705	0.2%	Rank history: not on the FY2021–FY2022 lists, #51 in FY2023, not on the FY2024 list and #52 in FY2025; up 67 since Aug 2024–Jul 2025.
65	Argent Arc LLC Top agencies VA (Department of Veterans Affairs)	$792,352	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
66	LBO Technology LLC Top agencies Navy (Department of the Navy)	$764,971	0.2%	Rank history: not on the FY2021 list, #71 in FY2022, #65 in FY2023, #59 in FY2024 and #43 in FY2025; down 19 since Aug 2024–Jul 2025.
67	Cherokee Nation Red Wing, L.L.C. Through Cherokee Strategic Solutions, L.L.C. Top agencies DOJ (Department of Justice) Army (Department of the Army)	$760,497	0.2%	Rank history: not on the FY2021–FY2025 lists; up 52 since Aug 2024–Jul 2025.
68	Advent Svcs LLC Top agencies Navy (Department of the Navy)	$750,429	0.2%	Rank history: not on the FY2021 list, #89 in FY2022, #85 in FY2023, #90 in FY2024 and #73 in FY2025; up 15 since Aug 2024–Jul 2025.
69	Capital Center for Credibility Assessment Corporation Top agencies DHS (Department of Homeland Security)	$732,220	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
70	Information Discovery Services, LLC Top agencies DHS (Department of Homeland Security)	$729,795	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
71	Jefferson Solutions Group, LLC Top agencies DOT (Department of Transportation)	$683,282	0.2%	Rank history: not on the FY2021–FY2023 lists, #81 in FY2024 and not on the FY2025 list; new, not ranked in Aug 2024–Jul 2025.
72	Bering Straits Native Corporation Through Arcticom, LLC Top agencies DOS (Department of State)	$612,635	0.1%	Rank history: not on the FY2021–FY2024 lists and #72 in FY2025; new, not ranked in Aug 2024–Jul 2025.
73	My Next Career Path Staffing LLC Top agencies Army (Department of the Army)	$611,000	0.1%	Rank history: not on the FY2021 list, #78 in FY2022, #66 in FY2023, #70 in FY2024 and #81 in FY2025; down 16 since Aug 2024–Jul 2025.
74	BCA Federal, LLC Top agencies Navy (Department of the Navy)	$599,328	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
75	Equifax Inc. Through Equifax Workforce Solutions LLC Top agencies DOI (Department of the Interior) Treasury (Department of the Treasury) USDA (Department of Agriculture)	$586,549	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
76	Interagency Readiness Solutions, LLC Top agencies Army (Department of the Army)	$564,918	0.1%	Rank history: not on the FY2021–FY2024 lists and #82 in FY2025; new, not ranked in Aug 2024–Jul 2025.
77	Kaptivate LLC Top agencies Commerce (Department of Commerce)	$548,775	0.1%	Rank history: not on the FY2021–FY2024 lists and #83 in FY2025; new, not ranked in Aug 2024–Jul 2025.
78	Global Force USA Inc. Top agencies USDA (Department of Agriculture)	$544,260	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
79	Parker Tide LLC Top agencies NTSB (National Transportation Safety Board)	$537,701	0.1%	Rank history: #47 in FY2021, #16 in FY2022, #5 in FY2023, #22 in FY2024 and not on the FY2025 list; new, not ranked in Aug 2024–Jul 2025.
80	Mid-Atlantic Interpreting Group Inc. Top agencies Commerce (Department of Commerce)	$512,554	0.1%	Rank history: not on the FY2021–FY2023 lists, #94 in FY2024 and #88 in FY2025; up 17 since Aug 2024–Jul 2025.
81	Fearless Solutions, LLC Top agencies Treasury (Department of the Treasury)	$496,800	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
82	Knowledgebank, Inc. Top agencies USDA (Department of Agriculture)	$488,826	0.1%	Rank history: #62 in FY2021, #24 in FY2022, #35 in FY2023, #62 in FY2024 and not on the FY2025 list; down 4 since Aug 2024–Jul 2025.
83	Avantgarde LLC Top agencies Treasury (Department of the Treasury) ED (Department of Education)	$465,144	0.1%	Rank history: #14 in FY2021, #20 in FY2022, #24 in FY2023, #25 in FY2024 and #14 in FY2025; down 71 since Aug 2024–Jul 2025.
84	Malama, LLC Top agencies DHA (Defense Health Agency)	$460,344	0.1%	Rank history: not on the FY2021–FY2024 lists and #57 in FY2025; down 23 since Aug 2024–Jul 2025.
85	Java Productions, Inc. Top agencies DHS (Department of Homeland Security)	$458,459	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
86	PTG International, Inc. Top agencies DOT (Department of Transportation)	$453,676	0.1%	Rank history: not on the FY2021–FY2023 lists, #43 in FY2024 and #98 in FY2025; down 30 since Aug 2024–Jul 2025.
87	Bnl, Inc. Top agencies ED (Department of Education)	$436,707	0.1%	Rank history: #39 in FY2021, #35 in FY2022, not on the FY2023 list, #66 in FY2024 and #38 in FY2025; down 39 since Aug 2024–Jul 2025.
88	John J. YIM & Associates, LLC Top agencies Commerce (Department of Commerce)	$432,684	0.1%	Rank history: not on the FY2021–FY2024 lists and #99 in FY2025; up 25 since Aug 2024–Jul 2025.
89	Potomac Management Solutions LLC Top agencies DHS (Department of Homeland Security)	$432,622	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
90	Edenred Benefits LLC Top agencies Smithsonian (Smithsonian Institution)	$431,796	0.1%	Rank history: not on the FY2021–FY2024 lists and #32 in FY2025; down 44 since Aug 2024–Jul 2025.
91	Gemini Industries Inc. Top agencies Navy (Department of the Navy)	$426,088	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
92	Windsor Group LLC Top agencies WHS (DOD Washington Headquarters Service)	$412,937	0.1%	Rank history: not on the FY2021–FY2024 lists and #91 in FY2025; up 19 since Aug 2024–Jul 2025.
93	Snapit Solutions LLC Top agencies Commerce (Department of Commerce)	$397,590	0.1%	Rank history: not on the FY2021–FY2023 lists, #48 in FY2024 and #85 in FY2025; down 52 since Aug 2024–Jul 2025.
94	Terasense, Inc. Top agencies Army (Department of the Army)	$393,091	0.1%	Rank history: #66 in FY2021, not on the FY2022–FY2024 lists and #94 in FY2025; up 8 since Aug 2024–Jul 2025.
95	The Millennium Group International, LLC Top agencies Army (Department of the Army)	$376,360	0.1%	Rank history: not on the FY2021–FY2023 lists, #54 in FY2024 and #33 in FY2025; down 55 since Aug 2024–Jul 2025.
96	Icris, LLC Top agencies Commerce (Department of Commerce)	$371,128	0.1%	Rank history: not on the FY2021–FY2025 lists; up 43 since Aug 2024–Jul 2025.
97	Sokat Consulting LLC Top agencies Treasury (Department of the Treasury)	$368,240	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
98	Innovation Group, LLC Top agencies National Gallery of Art Selective Service System	$361,631	0.1%	Rank history: not on the FY2021–FY2025 lists; up 39 since Aug 2024–Jul 2025.
99	Resolution Services, L.l.c Top agencies Commerce (Department of Commerce) USDA (Department of Agriculture)	$346,585	0.1%	Rank history: not on the FY2021–FY2024 lists and #97 in FY2025; up 26 since Aug 2024–Jul 2025.
100	Janus Software, Inc. Through Janus Associates, Inc. Top agencies DOJ (Department of Justice)	$340,794	0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.

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100 of 183 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 $427 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. An awardee whose own actions mostly name no parent, and that no other company's actions name as their parent, rolls up its SAM.gov registration's chain of parent companies: it counts under the first company there that other companies' actions name as their parent, or under the parent most of a company's own actions name, whichever comes first; with neither, under the highest company in the chain with federal contracts of its own. Joint ventures stay companies of their own. 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 Aug 2024–Jul 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 R431 contractors in Aug 2025–Jul 2026?

1. Deloitte ($55.7M), 2. Heidrick & Struggles International Inc. ($34M), 3. Strategic Data Systems, Inc. ($24.2M), 4. Your Recruiting Company, Inc. ($23.2M), 5. Calibre Systems Inc. ($22M), 6. Golden Key Group LLC ($19.9M), 7. International Business Machines Corporation ($16.1M), 8. National Associates, Inc. ($12.9M), 9. FYI - for Your Information, Inc. ($11.8M), 10. Goldbelt, Incorporated ($11.6M).

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