Top 100 Contractors in NAICS 62: Health Care and Social Assistance, FY2024

Name: Top 100 Contractors in NAICS 62: Health Care and Social Assistance, FY2024
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2023 – Sep 30, 2024 Code page on GovTribe

The top 10 won 43% of FY2024 NAICS 62 contract dollars

Contract obligations: $11,862,004,177 Net of deobligations, by contracts coded NAICS 62 or a code under it
Contractors: 4,425 Parent companies with an obligation
Largest contractor: Leidos Holdings, Inc. $2.15 billion, 15.7% 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	Leidos Holdings, Inc. 2 awardees, including QTC Medical Services Inc. and Leidos, Inc. Top agencies VA (Department of Veterans Affairs) DODEA (Department of Defense Education Activity) DHA (Defense Health Agency)	$2,154,335,223	15.7%	Rank history: #3 in FY2021, #3 in FY2022, #1 in FY2023 and #1 in FY2025; unchanged since FY2023.
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)	$1,586,817,487	11.6%	Rank history: #6 in FY2021, #5 in FY2022, #2 in FY2023 and #2 in FY2025; unchanged since FY2023.
3	Veterans Evaluation Services, Inc. Top agencies VA (Department of Veterans Affairs)	$825,702,976	6.0%	Rank history: #12 in FY2021, not on the FY2022–FY2023 lists and not on the FY2025 list; returned.
4	Maximus Inc. Through Veterans Evaluation Services, Inc. Top agencies VA (Department of Veterans Affairs)	$312,263,544	2.3%	Rank history: #16 in FY2021, #6 in FY2022, #3 in FY2023 and not on the FY2025 list; down 1 since FY2023.
5	Loyal Source Government Services LLC 2 awardees Top agencies VA (Department of Veterans Affairs) USAF (Department of the Air Force) DHA (Defense Health Agency)	$260,479,724	1.9%	Rank history: not on the FY2021 list, #52 in FY2022, #17 in FY2023 and #4 in FY2025; up 12 since FY2023.
6	STG International, Inc. Top agencies DHS (Department of Homeland Security) VA (Department of Veterans Affairs) HHS (Department of Health and Human Services)	$200,616,769	1.5%	Rank history: #21 in FY2021, #14 in FY2022, #9 in FY2023 and #19 in FY2025; up 3 since FY2023.
7	Magellan Federal Inc. Top agencies DODEA (Department of Defense Education Activity) HHS (Department of Health and Human Services) Navy (Department of the Navy)	$189,249,540	1.4%	Rank history: not on the FY2021–FY2023 lists and #7 in FY2025; new.
8	Naphcare LLC Top agencies DOJ (Department of Justice)	$142,845,187	1.0%	Rank history: #22 in FY2021, #18 in FY2022, #13 in FY2023 and #8 in FY2025; up 5 since FY2023.
9	American Medical Response Inc. 20 awardees, including Abbott Ambulance, Inc., Life Line Ambulance Service, Inc. and Lifefleet Southeast Inc. Top agencies DHS (Department of Homeland Security) VA (Department of Veterans Affairs) DOJ (Department of Justice)	$139,865,691	1.0%	Rank history: #10 in FY2021, #16 in FY2022, not on the FY2023 list and #16 in FY2025; returned.
10	Mvm, Inc. Top agencies HHS (Department of Health and Human Services)	$130,246,036	0.9%	Rank history: #11 in FY2021, #7 in FY2022, #26 in FY2023 and #90 in FY2025; up 16 since FY2023.
11	Tcfii Valor Buyer LLC Through Valor Healthcare Inc. Top agencies VA (Department of Veterans Affairs)	$126,508,925	0.9%	Rank history: #54 in FY2021, #41 in FY2022, #15 in FY2023 and not on the FY2025 list; up 4 since FY2023.
12	Laboratory Corporation of America 7 awardees, including Center for Disease Detection, LLC, Labcorp Oklahoma Inc. and Medtox Laboratories Inc. Top agencies DHA (Defense Health Agency) VA (Department of Veterans Affairs) Army (Department of the Army)	$111,229,044	0.8%	Rank history: not on the FY2021 list, #61 in FY2022, #12 in FY2023 and #10 in FY2025; unchanged since FY2023.
13	Enterprise Resource Planning International, LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$103,702,717	0.8%	Rank history: #39 in FY2021, #30 in FY2022, #20 in FY2023 and #12 in FY2025; up 7 since FY2023.
14	Quest Diagnostics Incorporated 7 awardees, including Diagnostic Laboratory of Oklahoma LLC, Quest Diagnostics Clinical Laboratories, Inc. and Ameripath Inc. Top agencies VA (Department of Veterans Affairs) DOJ (Department of Justice) HHS (Department of Health and Human Services)	$103,039,642	0.8%	Rank history: #20 in FY2021, #12 in FY2022, #11 in FY2023 and #24 in FY2025; down 3 since FY2023.
15	KBR Wyle Services, LLC 2 awardees Top agencies USAF (Department of the Air Force) Navy (Department of the Navy) DHA (Defense Health Agency)	$97,333,968	0.7%	Rank history: not on the FY2021–FY2023 lists and #11 in FY2025; new.
16	Spectrum Healthcare Resources, Inc. Top agencies DHA (Defense Health Agency) HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$81,873,362	0.6%	Rank history: not on the FY2021–FY2023 lists and #35 in FY2025; new.
17	Dismas Charities Inc. Top agencies DOJ (Department of Justice)	$80,057,901	0.6%	Rank history: #35 in FY2021, #29 in FY2022, #21 in FY2023 and #15 in FY2025; up 4 since FY2023.
18	Dilligas Corp Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Army (Department of the Army)	$79,807,890	0.6%	Rank history: not on the FY2021–FY2022 lists, #36 in FY2023 and #21 in FY2025; up 18 since FY2023.
19	Seven Corners Inc. Top agencies DOJ (Department of Justice)	$72,715,778	0.5%	Rank history: #32 in FY2021, #32 in FY2022, #25 in FY2023 and #14 in FY2025; up 6 since FY2023.
20	The GEO Group, Inc. 5 awardees, including GEO Reentry Inc., Community Education Centers, Inc. and GEO Reentry of Alaska, Inc. Top agencies DOJ (Department of Justice)	$69,947,196	0.5%	Rank history: #43 in FY2021, #33 in FY2022, #27 in FY2023 and #20 in FY2025; up 7 since FY2023.
21	Wellpath LLC Top agencies DOJ (Department of Justice)	$68,521,922	0.5%	Rank history: #50 in FY2021, #40 in FY2022, #28 in FY2023 and #17 in FY2025; up 7 since FY2023.
22	Luke & Associates, Inc. 2 awardees Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Navy (Department of the Navy)	$64,259,137	0.5%	Rank history: #25 in FY2021, #25 in FY2022, #22 in FY2023 and #32 in FY2025; unchanged since FY2023.
23	Donald L. Mooney Enterprises, LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Army (Department of the Army)	$63,002,524	0.5%	Rank history: #48 in FY2021, #37 in FY2022, #24 in FY2023 and #64 in FY2025; up 1 since FY2023.
24	General Dynamics Corporation 2 awardees, including General Dynamics Information Technology, Inc. Top agencies HHS (Department of Health and Human Services)	$57,483,808	0.4%	Rank history: #72 in FY2021, #63 in FY2022, #44 in FY2023 and not on the FY2025 list; up 20 since FY2023.
25	University of Massachusetts 2 awardees, including University of Massachusetts Medical School Top agencies DOJ (Department of Justice)	$54,856,116	0.4%	Rank history: #52 in FY2021, #45 in FY2022, #35 in FY2023 and #28 in FY2025; up 10 since FY2023.
26	Magellan Health, Inc. Through Magellan Federal, Inc. Top agencies DODEA (Department of Defense Education Activity) DHRA (Defense Human Resources Activity) Navy (Department of the Navy)	$54,416,481	0.4%	Rank history: #19 in FY2021, #23 in FY2022, #8 in FY2023 and not on the FY2025 list; down 18 since FY2023.
27	Decypher Technologies Ltd Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Army (Department of the Army)	$51,215,334	0.4%	Rank history: #78 in FY2021, #67 in FY2022, #57 in FY2023 and #18 in FY2025; up 30 since FY2023.
28	Spectrum Services Group Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) DOJ (Department of Justice)	$50,143,367	0.4%	Rank history: not on the FY2021 list, #99 in FY2022, #53 in FY2023 and #31 in FY2025; up 25 since FY2023.
29	Mks2 LLC Top agencies Army (Department of the Army)	$49,013,402	0.4%	Rank history: not on the FY2021–FY2022 lists, #68 in FY2023 and #86 in FY2025; up 39 since FY2023.
30	The Arora Group, Inc. Top agencies DHA (Defense Health Agency) DHS (Department of Homeland Security) USAF (Department of the Air Force)	$47,014,024	0.3%	Rank history: #40 in FY2021, #28 in FY2022, #30 in FY2023 and #22 in FY2025; unchanged since FY2023.
31	Deployed Services, LLC Top agencies HHS (Department of Health and Human Services)	$45,648,894	0.3%	Rank history: #31 in FY2021, #19 in FY2022, #18 in FY2023 and not on the FY2025 list; down 13 since FY2023.
32	Distinctive Health Spectrum Care JV LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Army (Department of the Army)	$43,398,785	0.3%	Rank history: #27 in FY2021, #27 in FY2022, #19 in FY2023 and not on the FY2025 list; down 13 since FY2023.
33	Sterling Medical Corporation Through Sterling Medical Associates, Inc. Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) USAF (Department of the Air Force)	$41,067,036	0.3%	Rank history: #33 in FY2021, #49 in FY2022, #31 in FY2023 and not on the FY2025 list; down 2 since FY2023.
34	Icahn School of Medicine at Mount Sinai 2 awardees Top agencies HHS (Department of Health and Human Services)	$39,679,247	0.3%	Rank history: #67 in FY2021, #78 in FY2022, #45 in FY2023 and not on the FY2025 list; up 11 since FY2023.
35	Complete Mobile Dentistry Inc. Top agencies DHA (Defense Health Agency) HHS (Department of Health and Human Services)	$39,471,783	0.3%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
36	Matrix Providers Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Army (Department of the Army)	$37,870,445	0.3%	Rank history: not on the FY2021–FY2023 lists and #29 in FY2025; up 78 since FY2023.
37	Tribal Health, LLC Top agencies HHS (Department of Health and Human Services)	$37,604,109	0.3%	Rank history: #74 in FY2021, #48 in FY2022, #64 in FY2023 and #57 in FY2025; up 27 since FY2023.
38	Magnificus Corporation Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$36,353,367	0.3%	Rank history: #46 in FY2021, #35 in FY2022, #23 in FY2023 and #23 in FY2025; down 15 since FY2023.
39	International Sos Government Medical Services, Inc. Top agencies Army (Department of the Army)	$33,143,692	0.2%	Rank history: not on the FY2021 list, #53 in FY2022, #29 in FY2023 and not on the FY2025 list; down 10 since FY2023.
40	Pact, Inc. Top agencies USAID (US Agency for International Development)	$32,860,000	0.2%	Rank history: not on the FY2021–FY2022 lists, #39 in FY2023 and not on the FY2025 list; down 1 since FY2023.
41	New York City Health and Hospitals Corporation 2 awardees Top agencies HHS (Department of Health and Human Services)	$31,567,041	0.2%	Rank history: not on the FY2021–FY2022 lists, #61 in FY2023 and #40 in FY2025; up 20 since FY2023.
42	Community Blood Center Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$30,886,791	0.2%	Rank history: not on the FY2021 list, #54 in FY2022, not on the FY2023 list and not on the FY2025 list; returned.
43	Akahi Ingenesis Partners LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Army (Department of the Army)	$29,346,734	0.2%	Rank history: #62 in FY2021, #56 in FY2022, #48 in FY2023 and #33 in FY2025; up 5 since FY2023.
44	Home Builders Institute Top agencies DOL (Department of Labor)	$29,282,750	0.2%	Rank history: not on the FY2021 list, #69 in FY2022, #37 in FY2023 and #87 in FY2025; down 7 since FY2023.
45	The Research Foundation for the State University of New York Top agencies HHS (Department of Health and Human Services)	$29,232,021	0.2%	Rank history: not on the FY2021–FY2023 lists and #71 in FY2025; new.
46	Corecivic, Inc. Top agencies DOJ (Department of Justice)	$28,499,070	0.2%	Rank history: #91 in FY2021, #64 in FY2022, #72 in FY2023 and #58 in FY2025; up 26 since FY2023.
47	Giacare & Medtrust JV LLC Top agencies Army (Department of the Army)	$28,147,228	0.2%	Rank history: #94 in FY2021, #39 in FY2022, #63 in FY2023 and #50 in FY2025; up 16 since FY2023.
48	Acuity-Chs, LLC Top agencies DHS (Department of Homeland Security) DHRA (Defense Human Resources Activity) Treasury (Department of the Treasury)	$27,854,378	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
49	The Royster Group, Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$27,058,535	0.2%	Rank history: #90 in FY2021, #76 in FY2022, #66 in FY2023 and #60 in FY2025; up 17 since FY2023.
50	Dependable Health Services Inc Top agencies DHS (Department of Homeland Security) DHA (Defense Health Agency) USAF (Department of the Air Force)	$26,259,668	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 93 since FY2023.
51	The University of North Texas Health Science Center At Fort Worth Top agencies DOJ (Department of Justice) Army (Department of the Army) USAF (Department of the Air Force)	$25,382,436	0.2%	Rank history: #75 in FY2021, #73 in FY2022, #69 in FY2023 and #44 in FY2025; up 18 since FY2023.
52	Servefed Inc. Top agencies HHS (Department of Health and Human Services) NASA (National Aeronautics and Space Administration)	$24,806,656	0.2%	Rank history: not on the FY2021 list, #66 in FY2022, #65 in FY2023 and #47 in FY2025; up 13 since FY2023.
53	Integrated Medical Solutions, LLC Top agencies DOJ (Department of Justice)	$23,517,718	0.2%	Rank history: #53 in FY2021, #51 in FY2022, #55 in FY2023 and #48 in FY2025; up 2 since FY2023.
54	Roche Diabetes Care Inc Through Foundation Medicine, Inc. Top agencies VA (Department of Veterans Affairs)	$23,245,082	0.2%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2023 and not on the FY2025 list; up 19 since FY2023.
55	Primary Care Solutions Inc. Top agencies VA (Department of Veterans Affairs)	$23,003,684	0.2%	Rank history: #88 in FY2021, #58 in FY2022, #52 in FY2023 and #46 in FY2025; down 3 since FY2023.
56	The American National Red Cross 3 awardees Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency) DOJ (Department of Justice)	$22,943,109	0.2%	Rank history: #82 in FY2021, #62 in FY2022, #59 in FY2023 and #66 in FY2025; up 3 since FY2023.
57	Readiforce Government Solutions LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$22,810,485	0.2%	Rank history: #87 in FY2021, #74 in FY2022, #50 in FY2023 and #42 in FY2025; down 7 since FY2023.
58	Coastal Clinical & Management Services Inc Top agencies DHS (Department of Homeland Security)	$22,147,642	0.2%	Rank history: not on the FY2021–FY2023 lists and #80 in FY2025; up 170 since FY2023.
59	Kbr, Inc. Through KBR Wyle Services, LLC Top agencies USAF (Department of the Air Force) Navy (Department of the Navy)	$21,773,500	0.2%	Rank history: #28 in FY2021, #24 in FY2022, #16 in FY2023 and not on the FY2025 list; down 43 since FY2023.
60	Dawson Cms, LLC Top agencies DHA (Defense Health Agency) Army (Department of the Army)	$21,597,962	0.2%	Rank history: not on the FY2021–FY2023 lists and #36 in FY2025; up 45 since FY2023.
61	UBC National Job Corps Training Fund Inc. Top agencies DOL (Department of Labor)	$21,469,054	0.2%	Rank history: not on the FY2021–FY2022 lists, #41 in FY2023 and not on the FY2025 list; down 20 since FY2023.
62	Acuity - CHS Middle East, LLC Top agencies DOS (Department of State)	$20,754,819	0.2%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
63	Saratoga Medical Center, Inc. Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$20,745,134	0.2%	Rank history: not on the FY2021 list, #91 in FY2022, #78 in FY2023 and #82 in FY2025; up 15 since FY2023.
64	Centralcare, Incorporated Top agencies Army (Department of the Army) USAF (Department of the Air Force)	$20,032,170	0.1%	Rank history: not on the FY2021–FY2022 lists, #77 in FY2023 and #52 in FY2025; up 13 since FY2023.
65	CVS Health Corporation Through CVS Pharmacy, Inc. Top agencies HHS (Department of Health and Human Services)	$20,000,000	0.1%	Rank history: #34 in FY2021, #8 in FY2022, #14 in FY2023 and not on the FY2025 list; down 51 since FY2023.
66	Chenega Tri-Services, LLC Top agencies Army (Department of the Army) DHA (Defense Health Agency)	$19,993,408	0.1%	Rank history: not on the FY2021–FY2023 lists and #38 in FY2025; new.
67	Potomac Healthcare Solutions, LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$19,958,004	0.1%	Rank history: not on the FY2021–FY2022 lists, #89 in FY2023 and #68 in FY2025; up 22 since FY2023.
68	The Chenega Corporation 3 awardees, including Chenega Tri-Services, LLC, Chenega Healthcare Services LLC and Chenega Reliable Services LLC Top agencies Army (Department of the Army) DOE (Department of Energy)	$19,335,515	0.1%	Rank history: #63 in FY2021, #59 in FY2022, #42 in FY2023 and not on the FY2025 list; down 26 since FY2023.
69	Potomac Valor Healthcare 2, LLC Top agencies VA (Department of Veterans Affairs)	$18,807,027	0.1%	Rank history: not on the FY2021–FY2023 lists and #91 in FY2025; up 165 since FY2023.
70	Vetmed Group LLC Top agencies HHS (Department of Health and Human Services) VA (Department of Veterans Affairs)	$18,224,669	0.1%	Rank history: not on the FY2021–FY2023 lists and #51 in FY2025; up 281 since FY2023.
71	Excelsior Ambulance Service Inc. Top agencies VA (Department of Veterans Affairs)	$18,031,529	0.1%	Rank history: not on the FY2021 list, #98 in FY2022, #76 in FY2023 and #59 in FY2025; up 5 since FY2023.
72	Iva'al Solutions LLC Top agencies USAF (Department of the Air Force)	$17,444,957	0.1%	Rank history: not on the FY2021 list, #86 in FY2022, #82 in FY2023 and #75 in FY2025; up 10 since FY2023.
73	SNA International LLC Top agencies OSD (Office of the Secretary of Defense) WHS (DOD Washington Headquarters Service)	$17,407,755	0.1%	Rank history: not on the FY2021–FY2022 lists, #93 in FY2023 and #74 in FY2025; up 20 since FY2023.
74	Global Dynamics LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$17,009,856	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 38 since FY2023.
75	J Allen and Associates of Texas, LLC Top agencies DOJ (Department of Justice)	$16,581,930	0.1%	Rank history: not on the FY2021–FY2023 lists and #93 in FY2025; up 69 since FY2023.
76	Giamed Alliance JV LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force) Army (Department of the Army)	$16,464,157	0.1%	Rank history: #68 in FY2021, #89 in FY2022, #70 in FY2023 and #85 in FY2025; down 6 since FY2023.
77	Cognito Systems LLC Top agencies Army (Department of the Army)	$16,150,361	0.1%	Rank history: not on the FY2021–FY2022 lists, #99 in FY2023 and #62 in FY2025; up 22 since FY2023.
78	Valor Network, Inc. Top agencies DHA (Defense Health Agency) DHS (Department of Homeland Security) VA (Department of Veterans Affairs)	$15,771,879	0.1%	Rank history: not on the FY2021–FY2022 lists, #98 in FY2023 and #65 in FY2025; up 20 since FY2023.
79	Prime Physicians PLLC Top agencies HHS (Department of Health and Human Services) SSA (Social Security Administration) Treasury (Department of the Treasury)	$15,771,821	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
80	Katmai Health Services LLC Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency)	$15,688,101	0.1%	Rank history: not on the FY2021–FY2023 lists and #84 in FY2025; up 22 since FY2023.
81	Destiny Management Services, LLC Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$14,939,958	0.1%	Rank history: not on the FY2021–FY2022 lists, #97 in FY2023 and not on the FY2025 list; up 16 since FY2023.
82	Prairie Band Health Services Inc. Top agencies HHS (Department of Health and Human Services)	$14,914,650	0.1%	Rank history: not on the FY2021–FY2023 lists and #70 in FY2025; up 100 since FY2023.
83	Decypher Health Services, LLC Top agencies DHA (Defense Health Agency)	$14,778,200	0.1%	Rank history: not on the FY2021–FY2023 lists and #81 in FY2025; new.
84	Team Health Inc. Through Spectrum Healthcare Resources, Inc. Top agencies DHA (Defense Health Agency) HHS (Department of Health and Human Services)	$14,050,948	0.1%	Rank history: #37 in FY2021, #34 in FY2022, #33 in FY2023 and not on the FY2025 list; down 51 since FY2023.
85	Ansible Government Solutions LLC Top agencies VA (Department of Veterans Affairs)	$14,012,558	0.1%	Rank history: not on the FY2021–FY2022 lists, #74 in FY2023 and not on the FY2025 list; down 11 since FY2023.
86	City of New York Fire Department Top agencies HHS (Department of Health and Human Services)	$13,901,039	0.1%	Rank history: not on the FY2021–FY2023 lists and #54 in FY2025; new.
87	Volunteers of America of LOS Angeles Top agencies VA (Department of Veterans Affairs)	$13,607,358	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
88	Lifecare, Inc. Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services) DFC (International Development Finance Corporation)	$13,585,349	0.1%	Rank history: not on the FY2021–FY2023 lists and #43 in FY2025; new.
89	Bay Area Anesthesia LLC Top agencies HHS (Department of Health and Human Services)	$13,484,607	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 20 since FY2023.
90	AMG Healthcare Services Inc Top agencies USAF (Department of the Air Force) DHA (Defense Health Agency) Army (Department of the Army)	$12,706,657	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 127 since FY2023.
91	Rape, Abuse and Incest National Network Rainn Top agencies DHRA (Defense Human Resources Activity) USAID (US Agency for International Development) Commerce (Department of Commerce)	$12,443,996	0.1%	Rank history: not on the FY2021–FY2023 lists and #94 in FY2025; up 44 since FY2023.
92	University of Kentucky Top agencies DOJ (Department of Justice) VA (Department of Veterans Affairs)	$12,294,990	0.1%	Rank history: not on the FY2021–FY2023 lists and #73 in FY2025; new.
93	American Correctional Healthcare, Inc. Top agencies DOJ (Department of Justice)	$12,253,686	0.1%	Rank history: not on the FY2021–FY2022 lists, #95 in FY2023 and #83 in FY2025; up 2 since FY2023.
94	Mid-Cities Home Medical Delivery Service, L.L.C. Top agencies VA (Department of Veterans Affairs)	$12,068,795	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 40 since FY2023.
95	Prairie Quest, Inc. Top agencies DHA (Defense Health Agency)	$11,987,611	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 30 since FY2023.
96	Health Partner's Management Group, Incorporated Top agencies DHA (Defense Health Agency) USAF (Department of the Air Force)	$11,870,023	0.1%	Rank history: not on the FY2021–FY2023 lists and #89 in FY2025; up 25 since FY2023.
97	Mercy Hospital Springfield Top agencies DOJ (Department of Justice)	$11,868,544	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; up 40 since FY2023.
98	The Young Center for Immigrant Childrens Rights Top agencies HHS (Department of Health and Human Services)	$11,812,210	0.1%	Rank history: not on the FY2021–FY2023 lists and #97 in FY2025; up 29 since FY2023.
99	Reliance Medical Transport, LLC Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$11,781,053	0.1%	Rank history: not on the FY2021–FY2022 lists, #90 in FY2023 and #79 in FY2025; down 9 since FY2023.
100	Behavioral Systems Southwest Inc. Top agencies DOJ (Department of Justice)	$11,775,393	0.1%	Rank history: not on the FY2021–FY2023 lists and #100 in FY2025; up 33 since FY2023.

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100 of 4,425 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	$7,873,720,951	Leidos Holdings, Inc.
622 Hospitals	$1,465,787,536	Naphcare LLC
623 Nursing and Residential Care Facilities	$1,307,744,002	Dismas Charities Inc.
624 Social Assistance	$1,214,751,689	Leidos Holdings, 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 $13.7 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. 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 2024 ran Oct 1, 2023 – Sep 30, 2024. 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 FY2023. "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 FY2023 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 FY2024?

1. Leidos Holdings, Inc. ($2.15B), 2. UnitedHealth Group Incorporated ($1.59B), 3. Veterans Evaluation Services, Inc. ($826M), 4. Maximus Inc. ($312M), 5. Loyal Source Government Services LLC ($260M), 6. STG International, Inc. ($201M), 7. Magellan Federal Inc. ($189M), 8. Naphcare LLC ($143M), 9. American Medical Response Inc. ($140M), 10. Mvm, Inc. ($130M).

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