Top 100 Contractors in PSC Q403: Medical Evaluation and Screening Services, Aug 2025–Jul 2026

Name: Top 100 Contractors in PSC Q403: Medical Evaluation and Screening Services, 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 Q403: Medical Evaluation and Screening Services, FY2025.

The top 10 won 98% of PSC Q403 contract dollars from August 2025 through July 2026

Contract obligations: $11,484,713,652 Net of deobligations, by contracts coded PSC Q403
Contractors: 146 Parent companies with an obligation
Largest contractor: Leidos Holdings, Inc. $3.62 billion, 31.1% 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	Leidos Holdings, Inc. Through QTC Medical Services Inc. Top agencies VA (Department of Veterans Affairs) DHS (Department of Homeland Security) DOI (Department of the Interior)	$3,617,207,580	31.1%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2023, #1 in FY2024 and #1 in FY2025; unchanged since Aug 2024–Jul 2025.
2	UnitedHealth Group Incorporated Through Optumserve Health Services, Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army)	$2,956,399,752	25.4%	Rank history: #2 in FY2021, #3 in FY2022, #3 in FY2023, #2 in FY2024 and #2 in FY2025; unchanged since Aug 2024–Jul 2025.
3	Maximus Federal Services, Inc. Through Veterans Evaluation Services, Inc. Top agencies VA (Department of Veterans Affairs)	$2,634,071,417	22.6%	Rank history: not on the FY2021–FY2024 lists and #3 in FY2025; new, not ranked in Aug 2024–Jul 2025.
4	Loyal Source Government Services LLC Top agencies VA (Department of Veterans Affairs) DHS (Department of Homeland Security)	$2,131,118,505	18.3%	Rank history: #5 in FY2021, #4 in FY2022, #4 in FY2023, #4 in FY2024 and #4 in FY2025; unchanged since Aug 2024–Jul 2025.
5	Noridian Healthcare Solutions, LLC Top agencies HHS (Department of Health and Human Services)	$36,915,124	0.3%	Rank history: not on the FY2021–FY2023 lists, #6 in FY2024 and #5 in FY2025; up 1 since Aug 2024–Jul 2025.
6	Cherokee Nation Through Cherokee Nation Integrated Health, L.L.C. Top agencies Army (Department of the Army)	$24,373,701	0.2%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
7	The Chenega Corporation 2 awardees, including Chenega Tri-Services, LLC and Chenega Pro Federal Solutions, LLC Top agencies Army (Department of the Army)	$17,587,526	0.2%	Rank history: #8 in FY2021, #7 in FY2022, #6 in FY2023, #8 in FY2024 and #6 in FY2025; new, not ranked in Aug 2024–Jul 2025.
8	Acuity International LLC 2 awardees, including Acuity-Chs, LLC Top agencies Army (Department of the Army) DHS (Department of Homeland Security) HUD (Department of Housing and Urban Development)	$17,192,514	0.1%	Rank history: not on the FY2021 list, #10 in FY2022, #10 in FY2023, #14 in FY2024 and #11 in FY2025; up 6 since Aug 2024–Jul 2025.
9	CG Services LLC Top agencies DHA (Defense Health Agency)	$11,379,006	0.1%	Rank history: not on the FY2021 list, #16 in FY2022, not on the FY2023 list, #9 in FY2024 and #9 in FY2025; down 1 since Aug 2024–Jul 2025.
10	Dawson Cms, LLC Top agencies Army (Department of the Army)	$9,287,637	0.1%	Rank history: not on the FY2021–FY2022 lists, #36 in FY2023, #17 in FY2024 and #10 in FY2025; up 2 since Aug 2024–Jul 2025.
11	Cape Fox Corporation Through Cape Fox Endeavor, LLC Top agencies EPA (Environmental Protection Agency)	$3,399,689	<0.1%	Rank history: not on the FY2021–FY2024 lists and #26 in FY2025; new, not ranked in Aug 2024–Jul 2025.
12	Abbott Laboratories Inc. Through Pembrooke Occupational Health, Inc. Top agencies DOI (Department of the Interior) DOE (Department of Energy) DOJ (Department of Justice)	$2,924,364	<0.1%	Rank history: not on the FY2021–FY2023 lists, #18 in FY2024 and not on the FY2025 list; up 18 since Aug 2024–Jul 2025.
13	University System of Maryland Through University of Maryland, Baltimore Top agencies VA (Department of Veterans Affairs)	$1,969,142	<0.1%	Rank history: not on the FY2021–FY2024 lists and #12 in FY2025; new, not ranked in Aug 2024–Jul 2025.
14	Bestica, Inc. Top agencies DHA (Defense Health Agency)	$1,642,658	<0.1%	Rank history: not on the FY2021 list, #34 in FY2022, not on the FY2023 list, #22 in FY2024 and #18 in FY2025; up 11 since Aug 2024–Jul 2025.
15	Quality Innovation, Inc. Top agencies Army (Department of the Army)	$1,589,221	<0.1%	Rank history: #20 in FY2021, #25 in FY2022, #21 in FY2023, #25 in FY2024 and #16 in FY2025; up 4 since Aug 2024–Jul 2025.
16	White Mountain Radiology, P.L.L.C. Top agencies HHS (Department of Health and Human Services)	$1,422,518	<0.1%	Rank history: not on the FY2021–FY2022 lists, #22 in FY2023, #24 in FY2024 and #14 in FY2025; up 1 since Aug 2024–Jul 2025.
17	Human Resources Research Organization (Humrro) Top agencies DHS (Department of Homeland Security)	$1,236,569	<0.1%	Rank history: not on the FY2021–FY2024 lists and #15 in FY2025; new, not ranked in Aug 2024–Jul 2025.
18	Valor Network, Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$1,058,121	<0.1%	Rank history: not on the FY2021–FY2024 lists and #21 in FY2025; up 3 since Aug 2024–Jul 2025.
19	GC Associates Usa, LLC Top agencies USAF (Department of the Air Force)	$1,016,914	<0.1%	Rank history: not on the FY2021–FY2022 lists, #24 in FY2023, #20 in FY2024 and #17 in FY2025; new, not ranked in Aug 2024–Jul 2025.
20	Triad Healthcare Solutions LLC Top agencies USAF (Department of the Air Force)	$954,868	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
21	BG Prevent GMBH Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$887,435	<0.1%	Rank history: not on the FY2021–FY2023 lists, #26 in FY2024 and #19 in FY2025; up 20 since Aug 2024–Jul 2025.
22	Sleep Care, Inc. Top agencies VA (Department of Veterans Affairs)	$873,132	<0.1%	Rank history: not on the FY2021 list, #38 in FY2022, #32 in FY2023, #31 in FY2024 and #22 in FY2025; unchanged since Aug 2024–Jul 2025.
23	Bgesh Incorporated Top agencies DHA (Defense Health Agency)	$775,396	<0.1%	Rank history: not on the FY2021 list, #36 in FY2022, #28 in FY2023, #28 in FY2024 and #23 in FY2025; up 1 since Aug 2024–Jul 2025.
24	Akahi Associates, LLC Through Akahi Ingenesis Partners LLC Top agencies Army (Department of the Army)	$696,809	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
25	Myriddian, LLC Top agencies Army (Department of the Army)	$634,484	<0.1%	Rank history: not on the FY2021–FY2024 lists and #25 in FY2025; up 2 since Aug 2024–Jul 2025.
26	Redhawk Group International, LLC Top agencies VA (Department of Veterans Affairs)	$595,950	<0.1%	Rank history: not on the FY2021–FY2022 lists, #20 in FY2023, #27 in FY2024 and #20 in FY2025; down 6 since Aug 2024–Jul 2025.
27	WSI Healthcare Personnel, Inc. Top agencies Treasury (Department of the Treasury)	$559,997	<0.1%	Rank history: not on the FY2021–FY2023 lists, #37 in FY2024 and #28 in FY2025; up 4 since Aug 2024–Jul 2025.
28	NCS Pearson, Inc. Through Personnel Decisions Research Institutes, LLC Top agencies DOJ (Department of Justice)	$556,076	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
29	Mobile Mohs Incorporated Top agencies VA (Department of Veterans Affairs)	$495,862	<0.1%	Rank history: not on the FY2021–FY2023 lists, #33 in FY2024 and #29 in FY2025; down 1 since Aug 2024–Jul 2025.
30	PM Sleep Lab II LLC Top agencies VA (Department of Veterans Affairs)	$493,090	<0.1%	Rank history: not on the FY2021–FY2024 lists and #33 in FY2025; up 8 since Aug 2024–Jul 2025.
31	Prime Physicians PLLC Top agencies DHA (Defense Health Agency)	$449,664	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 95 since Aug 2024–Jul 2025.
32	Novakovich Enterprises, Incorporated Top agencies Army (Department of the Army)	$447,563	<0.1%	Rank history: not on the FY2021–FY2024 lists and #32 in FY2025; new, not ranked in Aug 2024–Jul 2025.
33	Platinum Business Corporation Top agencies DHA (Defense Health Agency)	$428,250	<0.1%	Rank history: not on the FY2021–FY2024 lists and #40 in FY2025; new, not ranked in Aug 2024–Jul 2025.
34	Hagen, Colby Top agencies DOI (Department of the Interior)	$383,560	<0.1%	Rank history: not on the FY2021–FY2023 lists, #54 in FY2024 and #45 in FY2025; up 15 since Aug 2024–Jul 2025.
35	Modern Psychologist Network LLC Top agencies VA (Department of Veterans Affairs)	$381,450	<0.1%	Rank history: not on the FY2021 list, #95 in FY2022, #39 in FY2023, #40 in FY2024 and #39 in FY2025; up 4 since Aug 2024–Jul 2025.
36	DR. Gambles & Associates, LLC Top agencies CSOSA (Court Services and Offender Supervision Agency)	$351,925	<0.1%	Rank history: #37 in FY2021, #39 in FY2022, not on the FY2023 list, #34 in FY2024 and #34 in FY2025; down 4 since Aug 2024–Jul 2025.
37	Professional Health Services Inc Top agencies Army (Department of the Army) USDA (Department of Agriculture)	$348,411	<0.1%	Rank history: #41 in FY2021, #48 in FY2022, #44 in FY2023, #57 in FY2024 and #38 in FY2025; unchanged since Aug 2024–Jul 2025.
38	Panakeia, LLC Top agencies VA (Department of Veterans Affairs)	$324,700	<0.1%	Rank history: not on the FY2021–FY2024 lists and #30 in FY2025; down 5 since Aug 2024–Jul 2025.
39	My Next Career Path Staffing LLC Top agencies DHA (Defense Health Agency)	$289,859	<0.1%	Rank history: not on the FY2021–FY2022 lists, #55 in FY2023, #63 in FY2024 and #49 in FY2025; up 12 since Aug 2024–Jul 2025.
40	Dentrust Dental International, Inc. 2 awardees, including Dentrust Dental Texas, P.C. Top agencies DHS (Department of Homeland Security) Army (Department of the Army)	$257,683	<0.1%	Rank history: #73 in FY2021, not on the FY2022–FY2024 lists and #31 in FY2025; down 4 since Aug 2024–Jul 2025.
41	Cherokee Nation Integrated Health, L.L.C. Top agencies Army (Department of the Army)	$250,500	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
42	Houser Stacy Top agencies DOI (Department of the Interior)	$229,643	<0.1%	Rank history: not on the FY2021–FY2024 lists and #36 in FY2025; up 18 since Aug 2024–Jul 2025.
43	Childrens Therapy Services Inc. Top agencies DOI (Department of the Interior)	$228,144	<0.1%	Rank history: not on the FY2021–FY2024 lists and #41 in FY2025; up 2 since Aug 2024–Jul 2025.
44	Veteran Clinical Solutions, LLC Top agencies DOE (Department of Energy)	$215,024	<0.1%	Rank history: not on the FY2021 list, #86 in FY2022, #71 in FY2023, #68 in FY2024 and #52 in FY2025; up 13 since Aug 2024–Jul 2025.
45	Compass Medical Provider LLC Top agencies Army (Department of the Army)	$202,493	<0.1%	Rank history: #65 in FY2021, #58 in FY2022, #61 in FY2023, #73 in FY2024 and #58 in FY2025; new, not ranked in Aug 2024–Jul 2025.
46	Huckeye Health Services LLC Top agencies USAF (Department of the Air Force)	$176,521	<0.1%	Rank history: not on the FY2021–FY2022 lists, #47 in FY2023, #53 in FY2024 and #46 in FY2025; up 2 since Aug 2024–Jul 2025.
47	Home Care Equipment Inc. Top agencies VA (Department of Veterans Affairs)	$168,750	<0.1%	Rank history: not on the FY2021–FY2023 lists, #86 in FY2024 and #42 in FY2025; up 19 since Aug 2024–Jul 2025.
48	Valor Healthcare Inc. Through Potomac Healthcare Solutions, LLC Top agencies DHA (Defense Health Agency)	$166,707	<0.1%	Rank history: not on the FY2021–FY2024 lists and #48 in FY2025; new, not ranked in Aug 2024–Jul 2025.
49	Icahn School of Medicine At Mount Sinai Top agencies VA (Department of Veterans Affairs)	$165,594	<0.1%	Rank history: not on the FY2021–FY2024 lists and #74 in FY2025; up 30 since Aug 2024–Jul 2025.
50	Arbor Environmental LLC Top agencies VA (Department of Veterans Affairs)	$147,348	<0.1%	Rank history: not on the FY2021 list, #57 in FY2022, not on the FY2023–FY2024 lists and #47 in FY2025; new, not ranked in Aug 2024–Jul 2025.
51	Department of Public Health Georgia Top agencies DHA (Defense Health Agency)	$144,195	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
52	Femdel LLC Top agencies Army (Department of the Army)	$130,762	<0.1%	Rank history: not on the FY2021 list, #60 in FY2022, #76 in FY2023, #67 in FY2024 and #50 in FY2025; new, not ranked in Aug 2024–Jul 2025.
53	Cheema LLC Top agencies DOJ (Department of Justice)	$125,000	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
54	Aims Locum Tenens LLC Top agencies DHA (Defense Health Agency)	$119,541	<0.1%	Rank history: not on the FY2021–FY2023 lists, #65 in FY2024 and #53 in FY2025; down 1 since Aug 2024–Jul 2025.
55	Waller Psychotherapy, LLC Top agencies CSOSA (Court Services and Offender Supervision Agency)	$116,688	<0.1%	Rank history: not on the FY2021–FY2023 lists, #83 in FY2024 and #54 in FY2025; up 10 since Aug 2024–Jul 2025.
56	Centro Studi Medicina Del Lavoro SRL Top agencies Army (Department of the Army)	$112,783	<0.1%	Rank history: #67 in FY2021, #62 in FY2022, #57 in FY2023, #70 in FY2024 and #55 in FY2025; down 1 since Aug 2024–Jul 2025.
57	Johnson, Ronald JR Top agencies DOI (Department of the Interior)	$92,850	<0.1%	Rank history: not on the FY2021–FY2022 lists, #79 in FY2023, #91 in FY2024 and #64 in FY2025; up 21 since Aug 2024–Jul 2025.
58	Arc Health & Wellness Centers LLC Top agencies Army (Department of the Army)	$90,883	<0.1%	Rank history: #88 in FY2021, #85 in FY2022, #91 in FY2023, #95 in FY2024 and #76 in FY2025; up 22 since Aug 2024–Jul 2025.
59	Holyoke Medical Center, Inc. Top agencies USAF (Department of the Air Force)	$89,050	<0.1%	Rank history: not on the FY2021–FY2024 lists and #67 in FY2025; up 13 since Aug 2024–Jul 2025.
60	SCL Health - Montana Top agencies HHS (Department of Health and Human Services)	$86,750	<0.1%	Rank history: not on the FY2021–FY2023 lists, #44 in FY2024 and #60 in FY2025; down 17 since Aug 2024–Jul 2025.
61	Niagara Falls Memorial Medical Center Top agencies HHS (Department of Health and Human Services)	$84,996	<0.1%	Rank history: not on the FY2021–FY2024 lists and #63 in FY2025; new, not ranked in Aug 2024–Jul 2025.
62	Apple Occupational Medical Services LLC Top agencies Army (Department of the Army)	$84,735	<0.1%	Rank history: #63 in FY2021, #63 in FY2022, #59 in FY2023, #75 in FY2024 and #68 in FY2025; up 6 since Aug 2024–Jul 2025.
63	Kidze and Tebebi Consulting LLC Top agencies VA (Department of Veterans Affairs)	$81,000	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
64	Karcher Group Incorporated Top agencies Navy (Department of the Navy)	$79,584	<0.1%	Rank history: not on the FY2021–FY2024 lists and #66 in FY2025; new, not ranked in Aug 2024–Jul 2025.
65	Sr-Services GMBH Top agencies DLA (Defense Logistics Agency)	$77,425	<0.1%	Rank history: not on the FY2021 list, #68 in FY2022, #66 in FY2023, #80 in FY2024 and #56 in FY2025; down 9 since Aug 2024–Jul 2025.
66	Polymedco LLC 2 awardees, including Polymedco Cancer Diagnostic Products LLC Top agencies VA (Department of Veterans Affairs)	$77,031	<0.1%	Rank history: not on the FY2021–FY2024 lists and #82 in FY2025; new, not ranked in Aug 2024–Jul 2025.
67	Employers Choice Online Inc. Top agencies Army (Department of the Army) USDA (Department of Agriculture)	$72,375	<0.1%	Rank history: not on the FY2021–FY2022 lists, #77 in FY2023, not on the FY2024 list and #69 in FY2025; up 2 since Aug 2024–Jul 2025.
68	Ho-Chunk, Inc. Through Flatwater, Incorporated Top agencies Army (Department of the Army)	$64,680	<0.1%	Rank history: not on the FY2021–FY2023 lists, #89 in FY2024 and #71 in FY2025; up 3 since Aug 2024–Jul 2025.
69	Ph.d.. A Professional Corporation Susan Saxe-Clifford Top agencies VA (Department of Veterans Affairs)	$63,550	<0.1%	Rank history: not on the FY2021–FY2022 lists, #96 in FY2023, not on the FY2024 list and #61 in FY2025; up 4 since Aug 2024–Jul 2025.
70	Workhealth Solutions, LLC Top agencies Army (Department of the Army)	$61,860	<0.1%	Rank history: #83 in FY2021, #71 in FY2022, #84 in FY2023, not on the FY2024 list and #92 in FY2025; new, not ranked in Aug 2024–Jul 2025.
71	BH & HCP JV, LLC Top agencies DOI (Department of the Interior)	$61,360	<0.1%	Rank history: not on the FY2021–FY2024 lists and #72 in FY2025; new, not ranked in Aug 2024–Jul 2025.
72	Itamar Medical Inc. Top agencies VA (Department of Veterans Affairs)	$60,444	<0.1%	Rank history: not on the FY2021–FY2023 lists, #56 in FY2024 and #24 in FY2025; down 49 since Aug 2024–Jul 2025.
73	Bio.gea S.R.L. Top agencies Army (Department of the Army)	$57,047	<0.1%	Rank history: #81 in FY2021, #78 in FY2022, #74 in FY2023, #92 in FY2024 and #73 in FY2025; up 3 since Aug 2024–Jul 2025.
74	Bio-Care Inc. Top agencies Army (Department of the Army)	$56,910	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
75	Lifehealth, LLC Top agencies Army (Department of the Army)	$49,576	<0.1%	Rank history: #29 in FY2021, #12 in FY2022, #11 in FY2023, #16 in FY2024 and #13 in FY2025; down 60 since Aug 2024–Jul 2025.
76	John T. Stalp, LLC Top agencies VA (Department of Veterans Affairs)	$43,500	<0.1%	Rank history: not on the FY2021–FY2024 lists and #62 in FY2025; down 13 since Aug 2024–Jul 2025.
77	Matthew Dwight Wilson Top agencies DOI (Department of the Interior)	$42,000	<0.1%	Rank history: not on the FY2021–FY2024 lists and #78 in FY2025; new, not ranked in Aug 2024–Jul 2025.
78	Central TOX LLC Top agencies Army (Department of the Army)	$41,915	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
79	Msone 1Prospect JV LLC Top agencies USAF (Department of the Air Force)	$41,760	<0.1%	Rank history: not on the FY2021–FY2024 lists and #95 in FY2025; new, not ranked in Aug 2024–Jul 2025.
80	Laurie Spencer Roberts LLC Top agencies DOI (Department of the Interior)	$40,788	<0.1%	Rank history: not on the FY2021–FY2024 lists and #80 in FY2025; new, not ranked in Aug 2024–Jul 2025.
81	Willamette Education Service District Top agencies DOI (Department of the Interior)	$40,318	<0.1%	Rank history: not on the FY2021–FY2024 lists and #81 in FY2025; new, not ranked in Aug 2024–Jul 2025.
82	Laboratorio Clinico Plaza Oasis Inc. Top agencies Army (Department of the Army)	$40,261	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
83	United Network for Organ Sharing Top agencies VA (Department of Veterans Affairs)	$39,368	<0.1%	Rank history: #58 in FY2021, #45 in FY2022, #81 in FY2023, #97 in FY2024 and not on the FY2025 list; up 13 since Aug 2024–Jul 2025.
84	Occu-Med, Ltd. Top agencies Army (Department of the Army) DOT (Department of Transportation)	$38,816	<0.1%	Rank history: #42 in FY2021, #50 in FY2022, not on the FY2023–FY2024 lists and #44 in FY2025; down 34 since Aug 2024–Jul 2025.
85	TRE Industries, LLC Top agencies DHA (Defense Health Agency)	$38,350	<0.1%	Rank history: not on the FY2021–FY2024 lists and #87 in FY2025; up 3 since Aug 2024–Jul 2025.
86	Etsitty Psychoeducational Services LLC Top agencies DOI (Department of the Interior)	$36,908	<0.1%	Rank history: not on the FY2021 list, #92 in FY2022, #86 in FY2023, #77 in FY2024 and not on the FY2025 list; up 3 since Aug 2024–Jul 2025.
87	Ausdanbrook Properties Inc Top agencies Army (Department of the Army)	$36,455	<0.1%	Rank history: not on the FY2021 list, #97 in FY2022, #94 in FY2023, #90 in FY2024 and #85 in FY2025; unchanged since Aug 2024–Jul 2025.
88	Mobile Health Management Services, Inc. Top agencies HHS (Department of Health and Human Services)	$36,070	<0.1%	Rank history: not on the FY2021–FY2022 lists, #90 in FY2023, not on the FY2024 list and #88 in FY2025; up 3 since Aug 2024–Jul 2025.
89	BCT Partners LLC Top agencies DOJ (Department of Justice)	$34,280	<0.1%	Rank history: #75 in FY2021, #91 in FY2022 and not on the FY2023–FY2025 lists; up 18 since Aug 2024–Jul 2025.
90	Annashae Corp Top agencies Treasury (Department of the Treasury)	$33,902	<0.1%	Rank history: not on the FY2021 list, #21 in FY2022, #34 in FY2023, #47 in FY2024 and #43 in FY2025; down 43 since Aug 2024–Jul 2025.
91	State of Maryland Through Maryland Department of Health Top agencies DHA (Defense Health Agency)	$32,748	<0.1%	Rank history: not on the FY2021–FY2024 lists and #90 in FY2025; new, not ranked in Aug 2024–Jul 2025.
92	Plts JV LLC Top agencies USAF (Department of the Air Force)	$31,592	<0.1%	Rank history: not on the FY2021–FY2024 lists and #100 in FY2025; up 6 since Aug 2024–Jul 2025.
93	Charles S. Szabo, M.d., Inc. Top agencies DOJ (Department of Justice)	$30,000	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
94	Veterans Healthcare Supply Solutions, Inc. Top agencies VA (Department of Veterans Affairs)	$29,816	<0.1%	Rank history: not on the FY2021–FY2022 lists, #75 in FY2023, #64 in FY2024 and #79 in FY2025; down 13 since Aug 2024–Jul 2025.
95	Benefis Hospitals Inc. Top agencies Army (Department of the Army)	$28,399	<0.1%	Rank history: not on the FY2021–FY2024 lists and #93 in FY2025; new, not ranked in Aug 2024–Jul 2025.
96	Lisa Jones Top agencies DLA (Defense Logistics Agency)	$25,000	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
97	Landauer, Inc. Top agencies VA (Department of Veterans Affairs)	$24,502	<0.1%	Rank history: not on the FY2021–FY2025 lists; new, not ranked in Aug 2024–Jul 2025.
98	Sane of Butler County Top agencies VA (Department of Veterans Affairs)	$24,000	<0.1%	Rank history: not on the FY2021–FY2024 lists and #98 in FY2025; up 2 since Aug 2024–Jul 2025.
99	George Fox University Top agencies DOI (Department of the Interior)	$23,817	<0.1%	Rank history: not on the FY2021–FY2022 lists, #92 in FY2023, not on the FY2024 list and #99 in FY2025; down 4 since Aug 2024–Jul 2025.
100	Champlain Medical Associates PLLC Top agencies USAF (Department of the Air Force)	$23,106	<0.1%	Rank history: not on the FY2021–FY2025 lists; up 1 since Aug 2024–Jul 2025.

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100 of 146 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 $11.6 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. 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 Q403 contractors in Aug 2025–Jul 2026?

1. Leidos Holdings, Inc. ($3.62B), 2. UnitedHealth Group Incorporated ($2.96B), 3. Maximus Federal Services, Inc. ($2.63B), 4. Loyal Source Government Services LLC ($2.13B), 5. Noridian Healthcare Solutions, LLC ($36.9M), 6. Cherokee Nation ($24.4M), 7. The Chenega Corporation ($17.6M), 8. Acuity International LLC ($17.2M), 9. CG Services LLC ($11.4M), 10. Dawson Cms, LLC ($9.29M).

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