Top 100 Contractors in NAICS 62: Health Care and Social Assistance, FY2025

Name: Top 100 Contractors in NAICS 62: Health Care and Social Assistance, FY2025
Creator: GovTribe
License: https://creativecommons.org/licenses/by/4.0/

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

The top 10 won 57% of FY2025 NAICS 62 contract dollars

Contract obligations: $16,113,538,529 Net of deobligations, by contracts coded NAICS 62 or a code under it
Contractors: 3,843 Parent companies with an obligation
Largest contractor: Leidos Holdings, Inc. $3.01 billion, 16.7% of obligations
Data as of: Oct 23, 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. 3 awardees, including QTC Medical Services Inc., Leidos, Inc. and Leidos QTC Health Commercial Services, LLC Top agencies VA (Department of Veterans Affairs) DODEA (Department of Defense Education Activity) DHA (Defense Health Agency)	$3,009,560,498	16.7%	Rank history: #3 in FY2021, #3 in FY2022, #1 in FY2023 and #1 in FY2024; unchanged since FY2024.
2	UnitedHealth Group Incorporated Through Optumserve Health Services, Inc. Top agencies VA (Department of Veterans Affairs) Army (Department of the Army) HHS (Department of Health and Human Services)	$2,537,091,985	14.1%	Rank history: #6 in FY2021, #5 in FY2022, #2 in FY2023 and #2 in FY2024; unchanged since FY2024.
3	Maximus Federal Services, Inc. Through Veterans Evaluation Services, Inc. Top agencies VA (Department of Veterans Affairs)	$2,033,102,251	11.3%	Rank history: not on the FY2021–FY2024 lists; new.
4	Loyal Source Government Services LLC Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) USAF (Department of the Air Force)	$760,621,210	4.2%	Rank history: not on the FY2021 list, #52 in FY2022, #17 in FY2023 and #5 in FY2024; up 1 since FY2024.
5	Fresenius Medical Care Holdings Inc. 8 awardees, including Dialysis Clinic, Inc., RSA - Guam LLC and Liberty Dialysis - Nevada Acutes LLC Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$693,260,402	3.9%	Rank history: not on the FY2021–FY2024 lists; new.
6	Davita Inc. 9 awardees, including Renal Treatment Centers - West, Inc., Total Renal Care Inc. and Renal Treatment Centers-Mid-Atlantic Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$536,028,127	3.0%	Rank history: #13 in FY2021, #10 in FY2022, #7 in FY2023 and not on the FY2024 list; returned.
7	Magellan Federal Inc. Top agencies DODEA (Department of Defense Education Activity) HHS (Department of Health and Human Services) Navy (Department of the Navy)	$280,031,561	1.6%	Rank history: not on the FY2021–FY2023 lists and #7 in FY2024; unchanged since FY2024.
8	Valor Healthcare Inc. 4 awardees, including Potomac Healthcare Solutions, LLC, Potomac Valor Healthcare 2, LLC and Potomac Valor Healthcare, LLC Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) USAF (Department of the Air Force)	$182,184,577	1.0%	Rank history: #80 in FY2021, #20 in FY2022, #47 in FY2023 and not on the FY2024 list; up 196 since FY2024.
9	Naphcare LLC Top agencies DOJ (Department of Justice)	$160,743,393	0.9%	Rank history: #22 in FY2021, #18 in FY2022, #13 in FY2023 and #8 in FY2024; down 1 since FY2024.
10	Laboratory Corporation of America Holdings 7 awardees, including Laboratory Corporation of America, Center for Disease Detection, LLC and Medtox Laboratories Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) Army (Department of the Army)	$141,928,303	0.8%	Rank history: not on the FY2021 list, #61 in FY2022, #12 in FY2023 and #12 in FY2024; up 2 since FY2024.
11	KBR Wyle Services LLC Top agencies USAF (Department of the Air Force) USSOCOM (United States Special Operations Command) Navy (Department of the Navy)	$125,413,993	0.7%	Rank history: not on the FY2021–FY2023 lists and #15 in FY2024; up 4 since FY2024.
12	Enterprise Resource Planning International, LLC Top agencies DHA (Defense Health Agency) Army (Department of the Army)	$118,216,974	0.7%	Rank history: #39 in FY2021, #30 in FY2022, #20 in FY2023 and #13 in FY2024; up 1 since FY2024.
13	American Medical Response West 17 awardees, including American Medical Response, Inc., Life Line Ambulance Service, Inc. and Abbott Ambulance, Inc. Top agencies DHS (Department of Homeland Security) VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$102,255,081	0.6%	Rank history: #10 in FY2021, #16 in FY2022, not on the FY2023 list and #9 in FY2024; down 4 since FY2024.
14	Elevance Health, Inc. Through Carelon Health Federal Services, Inc. Top agencies DODEA (Department of Defense Education Activity)	$99,095,159	0.6%	Rank history: not on the FY2021 list, #26 in FY2022, #10 in FY2023 and not on the FY2024 list; returned.
15	Decypher Technologies Ltd 3 awardees, including Decypher Health Services, LLC and Global Shield Health Consultants, LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Army (Department of the Army)	$94,200,006	0.5%	Rank history: #78 in FY2021, #67 in FY2022, #57 in FY2023 and #27 in FY2024; up 12 since FY2024.
16	Seven Corners Inc. Top agencies DOJ (Department of Justice)	$90,628,274	0.5%	Rank history: #32 in FY2021, #32 in FY2022, #25 in FY2023 and #19 in FY2024; up 3 since FY2024.
17	Dismas Charities Inc. Top agencies DOJ (Department of Justice)	$90,239,849	0.5%	Rank history: #35 in FY2021, #29 in FY2022, #21 in FY2023 and #17 in FY2024; unchanged since FY2024.
18	Wellpath LLC Top agencies DOJ (Department of Justice)	$85,549,916	0.5%	Rank history: #50 in FY2021, #40 in FY2022, #28 in FY2023 and #21 in FY2024; up 3 since FY2024.
19	STG International, Inc. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) DOI (Department of the Interior)	$77,222,136	0.4%	Rank history: #21 in FY2021, #14 in FY2022, #9 in FY2023 and #6 in FY2024; down 13 since FY2024.
20	The GEO Group, Inc. 4 awardees, including GEO Reentry Inc., GEO Reentry of Alaska, Inc. and Community Education Centers, Inc. Top agencies DOJ (Department of Justice)	$69,799,485	0.4%	Rank history: #43 in FY2021, #33 in FY2022, #27 in FY2023 and #20 in FY2024; unchanged since FY2024.
21	Dilligas Corp Top agencies DHA (Defense Health Agency) Army (Department of the Army)	$68,019,384	0.4%	Rank history: not on the FY2021–FY2022 lists, #36 in FY2023 and #18 in FY2024; down 3 since FY2024.
22	The Chenega Corporation 9 awardees, including Chenega Tri-Services, LLC, Chenega Government Mission Solutions, LLC and Chenega Pro Federal Solutions, LLC Top agencies Army (Department of the Army) DHA (Defense Health Agency) HHS (Department of Health and Human Services)	$66,203,687	0.4%	Rank history: #63 in FY2021, #59 in FY2022, #42 in FY2023 and #68 in FY2024; up 46 since FY2024.
23	The Arora Group, Inc. Top agencies DHS (Department of Homeland Security) DHA (Defense Health Agency) USAF (Department of the Air Force)	$61,804,313	0.3%	Rank history: #40 in FY2021, #28 in FY2022, #30 in FY2023 and #30 in FY2024; up 7 since FY2024.
24	US Renal Care Inc. 2 awardees, including Dialysis Newco, LLC Top agencies VA (Department of Veterans Affairs)	$60,025,522	0.3%	Rank history: #83 in FY2021, #70 in FY2022, #62 in FY2023 and not on the FY2024 list; returned.
25	Magnificus Corporation Top agencies DHA (Defense Health Agency)	$59,427,696	0.3%	Rank history: #46 in FY2021, #35 in FY2022, #23 in FY2023 and #38 in FY2024; up 13 since FY2024.
26	Quest Diagnostics Incorporated 8 awardees, including Quest Diagnostics Clinical Laboratories, Inc., Ameripath Inc. and Quest Diagnostics Nichols Institute Inc. Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice) DOI (Department of the Interior)	$50,243,307	0.3%	Rank history: #20 in FY2021, #12 in FY2022, #11 in FY2023 and #14 in FY2024; down 12 since FY2024.
27	American Renal Associates LLC 2 awardees, including University Kidney Center, LLC Top agencies VA (Department of Veterans Affairs)	$49,601,984	0.3%	Rank history: #86 in FY2021 and not on the FY2022–FY2024 lists; returned.
28	Roche Holdings Inc. 2 awardees, including Foundation Medicine, Inc. and Roche Diagnostics Corporation Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$48,853,775	0.3%	Rank history: not on the FY2021–FY2024 lists; up 454 since FY2024.
29	University of Massachusetts Through University of Massachusetts Medical School Top agencies DOJ (Department of Justice)	$48,778,800	0.3%	Rank history: #52 in FY2021, #45 in FY2022, #35 in FY2023 and #25 in FY2024; down 4 since FY2024.
30	Akahi Associates, LLC 2 awardees, including Akahi Ingenesis Partners LLC Top agencies DHA (Defense Health Agency) Army (Department of the Army) USAF (Department of the Air Force)	$48,677,626	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
31	Matrix Providers Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$48,465,355	0.3%	Rank history: not on the FY2021–FY2023 lists and #36 in FY2024; up 5 since FY2024.
32	Icahn School of Medicine At Mount Sinai Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$48,385,232	0.3%	Rank history: not on the FY2021–FY2024 lists; new.
33	Spectrum Services Group Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) DOJ (Department of Justice)	$46,349,590	0.3%	Rank history: not on the FY2021 list, #99 in FY2022, #53 in FY2023 and #28 in FY2024; down 5 since FY2024.
34	Luke & Associates Inc. Top agencies DHA (Defense Health Agency) Navy (Department of the Navy)	$44,707,551	0.2%	Rank history: #25 in FY2021, #25 in FY2022, #22 in FY2023 and #22 in FY2024; down 12 since FY2024.
35	Spectrum Healthcare Resources, Inc. 2 awardees, including Spectrum Federal Solutions LLC Top agencies DHA (Defense Health Agency) VA (Department of Veterans Affairs) Navy (Department of the Navy)	$41,303,107	0.2%	Rank history: not on the FY2021–FY2023 lists and #16 in FY2024; down 19 since FY2024.
36	Accenture Federal Services LLC 2 awardees, including Cognosante, LLC and Cognosante MVH LLC Top agencies DODEA (Department of Defense Education Activity) VA (Department of Veterans Affairs)	$40,943,708	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
37	Dawson Cms, LLC Top agencies DHA (Defense Health Agency) Army (Department of the Army)	$39,268,029	0.2%	Rank history: not on the FY2021–FY2023 lists and #60 in FY2024; up 23 since FY2024.
38	Choctaw Premier Services LLC Top agencies Army (Department of the Army)	$38,680,044	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
39	Sterling Medical Associates, Inc. 2 awardees, including Vesa Health & Technology Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) Army (Department of the Army)	$34,955,525	0.2%	Rank history: not on the FY2021–FY2024 lists; new.
40	New York City Health and Hospitals Corporation Top agencies HHS (Department of Health and Human Services)	$34,775,819	0.2%	Rank history: not on the FY2021–FY2022 lists, #61 in FY2023 and #41 in FY2024; up 1 since FY2024.
41	Amergis Healthcare Staffing Inc. 2 awardees Top agencies DHS (Department of Homeland Security)	$34,418,456	0.2%	Rank history: not on the FY2021–FY2024 lists; up 286 since FY2024.
42	Readiforce Government Solutions LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) DFAS (Defense Finance and Accounting Service)	$34,345,472	0.2%	Rank history: #87 in FY2021, #74 in FY2022, #50 in FY2023 and #57 in FY2024; up 15 since FY2024.
43	Lifecare, Inc. Top agencies DHS (Department of Homeland Security) DFC (International Development Finance Corporation) NSF (National Science Foundation)	$31,902,268	0.2%	Rank history: not on the FY2021–FY2023 lists and #88 in FY2024; up 45 since FY2024.
44	The University of North Texas Health Science Center At Fort Worth Top agencies DOJ (Department of Justice) DHA (Defense Health Agency)	$31,415,268	0.2%	Rank history: #75 in FY2021, #73 in FY2022, #69 in FY2023 and #51 in FY2024; up 7 since FY2024.
45	Distinctive Health Spectrum Care JV LLC 2 awardees, including Distinctive Spectrum Healthcare Solutions JV LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Army (Department of the Army)	$30,798,385	0.2%	Rank history: not on the FY2021–FY2024 lists; up 444 since FY2024.
46	Primary Care Solutions Inc. Top agencies VA (Department of Veterans Affairs)	$30,686,425	0.2%	Rank history: #88 in FY2021, #58 in FY2022, #52 in FY2023 and #55 in FY2024; up 9 since FY2024.
47	Servefed Inc. Top agencies HHS (Department of Health and Human Services) NASA (National Aeronautics and Space Administration)	$29,880,694	0.2%	Rank history: not on the FY2021 list, #66 in FY2022, #65 in FY2023 and #52 in FY2024; up 5 since FY2024.
48	Integrated Medical Solutions, LLC Top agencies DOJ (Department of Justice)	$29,720,873	0.2%	Rank history: #53 in FY2021, #51 in FY2022, #55 in FY2023 and #53 in FY2024; up 5 since FY2024.
49	WJM Professional Services LLC Top agencies DHS (Department of Homeland Security) USAF (Department of the Air Force) DHA (Defense Health Agency)	$29,337,527	0.2%	Rank history: not on the FY2021–FY2024 lists; up 204 since FY2024.
50	Giacare & Medtrust JV LLC Top agencies Army (Department of the Army) DHA (Defense Health Agency)	$28,986,155	0.2%	Rank history: #94 in FY2021, #39 in FY2022, #63 in FY2023 and #47 in FY2024; down 3 since FY2024.
51	Vetmed Group LLC Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$28,951,516	0.2%	Rank history: not on the FY2021–FY2023 lists and #70 in FY2024; up 19 since FY2024.
52	Centralcare, Incorporated Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$28,851,564	0.2%	Rank history: not on the FY2021–FY2022 lists, #77 in FY2023 and #64 in FY2024; up 12 since FY2024.
53	Cape Fox Corporation 2 awardees, including Concentric Methods, LLC and Eagle Health, LLC Top agencies DHA (Defense Health Agency) HHS (Department of Health and Human Services) NRC (Nuclear Regulatory Commission)	$26,970,299	0.1%	Rank history: not on the FY2021–FY2024 lists; up 74 since FY2024.
54	The American National Red Cross 2 awardees Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) HHS (Department of Health and Human Services)	$24,980,971	0.1%	Rank history: #82 in FY2021, #62 in FY2022, #59 in FY2023 and #56 in FY2024; up 2 since FY2024.
55	City of NY Through City of New York Fire Department Top agencies HHS (Department of Health and Human Services)	$24,718,534	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
56	Warrior Service Company LLC Top agencies VA (Department of Veterans Affairs)	$24,630,911	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
57	AMG Healthcare Services Inc. Top agencies DHA (Defense Health Agency) Army (Department of the Army) USAF (Department of the Air Force)	$24,445,956	0.1%	Rank history: not on the FY2021 list, #80 in FY2022, #58 in FY2023 and not on the FY2024 list; up 96 since FY2024.
58	Tribal Health, LLC Top agencies HHS (Department of Health and Human Services)	$24,281,631	0.1%	Rank history: #74 in FY2021, #48 in FY2022, #64 in FY2023 and #37 in FY2024; down 21 since FY2024.
59	Corecivic, Inc. Top agencies DOJ (Department of Justice)	$24,083,645	0.1%	Rank history: #91 in FY2021, #64 in FY2022, #72 in FY2023 and #46 in FY2024; down 13 since FY2024.
60	Excelsior Ambulance Service Inc. Top agencies VA (Department of Veterans Affairs)	$23,913,089	0.1%	Rank history: not on the FY2021 list, #98 in FY2022, #76 in FY2023 and #71 in FY2024; up 11 since FY2024.
61	The Royster Group, Inc. Top agencies DHA (Defense Health Agency)	$22,906,543	0.1%	Rank history: #90 in FY2021, #76 in FY2022, #66 in FY2023 and #49 in FY2024; down 12 since FY2024.
62	Ingenesis Inc. Top agencies DHS (Department of Homeland Security) USDA (Department of Agriculture)	$22,828,843	0.1%	Rank history: #57 in FY2021 and not on the FY2022–FY2024 lists; up 287 since FY2024.
63	University of Kentucky 2 awardees Top agencies DOJ (Department of Justice)	$22,048,429	0.1%	Rank history: #97 in FY2021, #88 in FY2022, #75 in FY2023 and not on the FY2024 list; up 96 since FY2024.
64	Mayo Clinic 4 awardees, including Mayo Clinic Health System-Southwest Minnesota Region, Mayo Clinic Health System-Southeast Minnesota Region and Mayo Clinic Jacksonville (A Nonprofit Corporation) Top agencies DOJ (Department of Justice) VA (Department of Veterans Affairs)	$21,742,819	0.1%	Rank history: not on the FY2021–FY2024 lists; up 128 since FY2024.
65	The Salvation Army 16 awardees Top agencies DOJ (Department of Justice) VA (Department of Veterans Affairs)	$21,421,018	0.1%	Rank history: not on the FY2021 list, #81 in FY2022 and not on the FY2023–FY2024 lists; up 54 since FY2024.
66	Cognito Systems LLC Top agencies Army (Department of the Army) Navy (Department of the Navy)	$21,261,940	0.1%	Rank history: not on the FY2021–FY2022 lists, #99 in FY2023 and #77 in FY2024; up 11 since FY2024.
67	LMR Technical Group LLC Top agencies USAF (Department of the Air Force)	$20,983,438	0.1%	Rank history: not on the FY2021–FY2024 lists; up 87 since FY2024.
68	Donald L. Mooney Enterprises, LLC Top agencies DHA (Defense Health Agency) Army (Department of the Army) USAF (Department of the Air Force)	$20,976,089	0.1%	Rank history: #48 in FY2021, #37 in FY2022, #24 in FY2023 and #23 in FY2024; down 45 since FY2024.
69	Valor Network, Inc. Top agencies DHA (Defense Health Agency) DHS (Department of Homeland Security) VA (Department of Veterans Affairs)	$20,486,836	0.1%	Rank history: not on the FY2021–FY2022 lists, #98 in FY2023 and #78 in FY2024; up 9 since FY2024.
70	Family Endeavors, Inc. Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services)	$19,692,338	0.1%	Rank history: #7 in FY2021, #2 in FY2022, #6 in FY2023 and not on the FY2024 list; up 97 since FY2024.
71	Prairie Band Health Services Inc. Top agencies HHS (Department of Health and Human Services)	$19,154,399	0.1%	Rank history: not on the FY2021–FY2023 lists and #82 in FY2024; up 11 since FY2024.
72	The Research Foundation for the State University of New York Top agencies HHS (Department of Health and Human Services)	$18,118,015	0.1%	Rank history: not on the FY2021–FY2022 lists, #86 in FY2023 and not on the FY2024 list; returned.
73	Rapid Deployment Inc. Top agencies HHS (Department of Health and Human Services)	$18,069,463	0.1%	Rank history: #2 in FY2021, #1 in FY2022, #4 in FY2023 and not on the FY2024 list; up 404 since FY2024.
74	SNA International LLC Top agencies WHS (DOD Washington Headquarters Service)	$17,830,866	0.1%	Rank history: not on the FY2021–FY2022 lists, #93 in FY2023 and #73 in FY2024; down 1 since FY2024.
75	Kako'o Services LLC 2 awardees, including Nationwide Healthcare Solutions, LLC Top agencies HHS (Department of Health and Human Services) DHA (Defense Health Agency) Army (Department of the Army)	$17,770,142	0.1%	Rank history: not on the FY2021–FY2024 lists; up 140 since FY2024.
76	Santa Rosa Band of Cahuilla Indians Through Iva'al Solutions LLC Top agencies USAF (Department of the Air Force)	$17,524,172	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
77	Acuity International LLC 2 awardees, including Acuity - CHS Middle East, LLC Top agencies Army (Department of the Army) DHS (Department of Homeland Security) DOS (Department of State)	$17,277,255	0.1%	Rank history: not on the FY2021–FY2024 lists; up 141 since FY2024.
78	Goldbelt Incorporated Through Goldbelt Glacier Health Services, LLC Top agencies DHA (Defense Health Agency)	$17,122,034	0.1%	Rank history: not on the FY2021–FY2022 lists, #88 in FY2023 and not on the FY2024 list; up 25 since FY2024.
79	Aleknagik Technology, LLC Top agencies DHA (Defense Health Agency)	$16,307,850	0.1%	Rank history: not on the FY2021–FY2024 lists; new.
80	Acadian Ambulance Service Inc. 3 awardees, including Acadian Ambulance Service of Texas, LLC and Acadian Ambulance Service of Tennessee, LLC Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice)	$16,213,517	0.1%	Rank history: not on the FY2021–FY2024 lists; up 57 since FY2024.
81	Cherokee Nation 4 awardees, including Cherokee Nation Federal Consulting, L.L.C., Cherokee Nation Operational Solutions, L.L.C. and Cherokee Nation Management & Consulting, L.l.c.. Top agencies Treasury (Department of the Treasury) HHS (Department of Health and Human Services) DHS (Department of Homeland Security)	$15,733,259	0.1%	Rank history: #5 in FY2021, #11 in FY2022 and not on the FY2023–FY2024 lists; returned.
82	Reliance Medical Transport, LLC Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$15,611,296	0.1%	Rank history: not on the FY2021–FY2022 lists, #90 in FY2023 and #99 in FY2024; up 17 since FY2024.
83	Coastal Clinical & Management Services Inc Top agencies DHS (Department of Homeland Security)	$15,316,931	0.1%	Rank history: not on the FY2021–FY2023 lists and #58 in FY2024; down 25 since FY2024.
84	Koniag, Inc. 6 awardees, including Kadiak LLC, Koniag Professional Services, LLC and Koniag Information Security Services LLC Top agencies DHS (Department of Homeland Security) DHA (Defense Health Agency) HHS (Department of Health and Human Services)	$15,143,552	0.1%	Rank history: not on the FY2021–FY2024 lists; up 350 since FY2024.
85	Saratoga Medical Center, Inc. Top agencies DHA (Defense Health Agency)	$14,746,116	0.1%	Rank history: not on the FY2021 list, #91 in FY2022, #78 in FY2023 and #63 in FY2024; down 22 since FY2024.
86	American Correctional Healthcare, Inc. Top agencies DOJ (Department of Justice)	$14,680,193	0.1%	Rank history: not on the FY2021–FY2022 lists, #95 in FY2023 and #93 in FY2024; up 7 since FY2024.
87	Katmai Health Services LLC Top agencies DHA (Defense Health Agency)	$14,464,026	0.1%	Rank history: not on the FY2021–FY2023 lists and #80 in FY2024; down 7 since FY2024.
88	Giamed Alliance JV LLC Top agencies DHA (Defense Health Agency) Army (Department of the Army)	$14,425,299	0.1%	Rank history: #68 in FY2021, #89 in FY2022, #70 in FY2023 and #76 in FY2024; down 12 since FY2024.
89	Mks2 LLC Top agencies Army (Department of the Army)	$14,175,200	0.1%	Rank history: not on the FY2021–FY2022 lists, #68 in FY2023 and #29 in FY2024; down 60 since FY2024.
90	Home Builders Institute Top agencies DOL (Department of Labor)	$13,937,576	0.1%	Rank history: not on the FY2021 list, #69 in FY2022, #37 in FY2023 and #44 in FY2024; down 46 since FY2024.
91	Crassociates, Inc. Top agencies VA (Department of Veterans Affairs)	$13,765,096	0.1%	Rank history: #38 in FY2021 and not on the FY2022–FY2024 lists; up 170 since FY2024.
92	Health Partner's Management Group, Incorporated Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$13,551,934	0.1%	Rank history: not on the FY2021–FY2023 lists and #96 in FY2024; up 4 since FY2024.
93	Mvm, Inc. Top agencies HHS (Department of Health and Human Services)	$13,336,999	0.1%	Rank history: #11 in FY2021, #7 in FY2022, #26 in FY2023 and #10 in FY2024; down 83 since FY2024.
94	Transox Inc. Top agencies VA (Department of Veterans Affairs)	$12,953,042	0.1%	Rank history: not on the FY2021–FY2024 lists; up 7 since FY2024.
95	J Allen and Associates of Texas, LLC Top agencies DOJ (Department of Justice)	$12,873,267	0.1%	Rank history: not on the FY2021–FY2023 lists and #75 in FY2024; down 20 since FY2024.
96	Rape, Abuse and Incest National Network Rainn Top agencies DHRA (Defense Human Resources Activity) NSF (National Science Foundation) Commerce (Department of Commerce)	$12,730,677	0.1%	Rank history: not on the FY2021–FY2023 lists and #91 in FY2024; down 5 since FY2024.
97	Wander Staffing LLC Top agencies DHA (Defense Health Agency) VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$12,715,363	0.1%	Rank history: not on the FY2021–FY2024 lists; up 5 since FY2024.
98	Ambulance Management Services Limited 2 awardees, including First Care Ohio LLC Top agencies VA (Department of Veterans Affairs)	$12,627,529	0.1%	Rank history: not on the FY2021–FY2024 lists; up 108 since FY2024.
99	Kintock Group, Inc The Top agencies DOJ (Department of Justice)	$12,442,204	0.1%	Rank history: not on the FY2021–FY2024 lists; up 90 since FY2024.
100	The Young Center for Immigrant Childrens Rights Top agencies HHS (Department of Health and Human Services)	$12,402,821	0.1%	Rank history: not on the FY2021–FY2023 lists and #98 in FY2024; down 2 since FY2024.

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100 of 3,843 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 62

Code	Net obligations	Largest contractor
621 Ambulatory Health Care Services	$12,339,729,805	Leidos Holdings, Inc.
622 Hospitals	$1,441,348,698	Naphcare LLC
623 Nursing and Residential Care Facilities	$1,348,107,127	Dismas Charities Inc.
624 Social Assistance	$984,352,899	Magellan Federal Inc.

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 $18 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.
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 NAICS 62 contractors in FY2025?

1. Leidos Holdings, Inc. ($3.01B), 2. UnitedHealth Group Incorporated ($2.54B), 3. Maximus Federal Services, Inc. ($2.03B), 4. Loyal Source Government Services LLC ($761M), 5. Fresenius Medical Care Holdings Inc. ($693M), 6. Davita Inc. ($536M), 7. Magellan Federal Inc. ($280M), 8. Valor Healthcare Inc. ($182M), 9. Naphcare LLC ($161M), 10. Laboratory Corporation of America Holdings ($142M).

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