Top 100 Contractors in NAICS 524: Insurance Carriers and Related Activities, FY2025

Name: Top 100 Contractors in NAICS 524: Insurance Carriers and Related Activities, FY2025
Creator: GovTribe

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

The top 10 won 95% of FY2025 NAICS 524 contract dollars

Contract obligations: $48,484,397,640 Net of deobligations, by contracts coded NAICS 524 or a code under it
Contractors: 252 Parent companies with an obligation
Largest contractor: UnitedHealth Group Incorporated $22.7 billion, 46.5% 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	UnitedHealth Group Incorporated 7 awardees, including Optum Public Sector Solutions, Inc., Optumrx Administrative Services, LLC and United Healthcare Services,Inc. Top agencies VA (Department of Veterans Affairs) Treasury (Department of the Treasury)	$22,738,611,479	46.5%	Rank history: #1 in FY2021, #22 in FY2022, #23 in FY2023 and #1 in FY2024; unchanged since FY2024.
2	Triwest Healthcare Alliance Corp Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$13,374,744,739	27.4%	Rank history: #3 in FY2021, #3 in FY2022, #2 in FY2023 and #2 in FY2024; unchanged since FY2024.
3	Humana Government Business Inc. Top agencies DHA (Defense Health Agency)	$6,513,706,427	13.3%	Rank history: #21 in FY2021, not on the FY2022–FY2023 lists and #3 in FY2024; unchanged since FY2024.
4	Health Net Federal Services, LLC Top agencies DHA (Defense Health Agency)	$1,427,302,715	2.9%	Rank history: #46 in FY2021, #6 in FY2022, #10 in FY2023 and #6 in FY2024; up 2 since FY2024.
5	Express Scripts Inc Top agencies DHA (Defense Health Agency) HHS (Department of Health and Human Services)	$555,035,941	1.1%	Rank history: not on the FY2021–FY2022 lists, #5 in FY2023 and #8 in FY2024; up 3 since FY2024.
6	Johns Hopkins University Through The Johns Hopkins Medical Services Corporation Top agencies DHA (Defense Health Agency)	$485,468,317	1.0%	Rank history: not on the FY2021–FY2023 lists and #10 in FY2024; up 4 since FY2024.
7	Martins Point Health Care Inc. Top agencies DHA (Defense Health Agency)	$426,584,291	0.9%	Rank history: #8 in FY2021, #9 in FY2022, #8 in FY2023 and #9 in FY2024; up 2 since FY2024.
8	United Concordia Companies, Inc. Top agencies DHA (Defense Health Agency) CFPB (Consumer Financial Protection Bureau)	$403,272,059	0.8%	Rank history: not on the FY2021–FY2023 lists and #11 in FY2024; up 3 since FY2024.
9	Palmetto Gba, LLC Top agencies HHS (Department of Health and Human Services)	$326,173,615	0.7%	Rank history: not on the FY2021 list, #58 in FY2022, not on the FY2023 list and #30 in FY2024; up 21 since FY2024.
10	Novitas Solutions, Inc. Top agencies HHS (Department of Health and Human Services)	$201,479,576	0.4%	Rank history: not on the FY2021 list, #17 in FY2022, #26 in FY2023 and #15 in FY2024; up 5 since FY2024.
11	Noridian Healthcare Solutions, LLC Top agencies HHS (Department of Health and Human Services)	$196,464,862	0.4%	Rank history: not on the FY2021–FY2023 lists and #12 in FY2024; up 1 since FY2024.
12	Anthem Inc. Through Wellpoint Federal Solutions, Inc. Top agencies HHS (Department of Health and Human Services)	$177,998,211	0.4%	Rank history: #15 in FY2021, #16 in FY2022, #11 in FY2023 and #24 in FY2024; up 12 since FY2024.
13	Pacmed Clinics Top agencies DHA (Defense Health Agency)	$173,230,175	0.4%	Rank history: #12 in FY2021, #13 in FY2022, #12 in FY2023 and #16 in FY2024; up 3 since FY2024.
14	International Sos Government Services LLC Top agencies DHA (Defense Health Agency)	$172,557,972	0.4%	Rank history: #18 in FY2021, #19 in FY2022, #15 in FY2023 and #18 in FY2024; up 4 since FY2024.
15	Brighton Marine, Inc. Top agencies DHA (Defense Health Agency)	$154,216,876	0.3%	Rank history: #14 in FY2021, #15 in FY2022, #14 in FY2023 and #19 in FY2024; up 4 since FY2024.
16	Wisconsin Physicians Service Insurance Corp. Top agencies HHS (Department of Health and Human Services) DHA (Defense Health Agency)	$153,734,739	0.3%	Rank history: #13 in FY2021, #12 in FY2022, #21 in FY2023 and #20 in FY2024; up 4 since FY2024.
17	Christus Health 2 awardees Top agencies DHA (Defense Health Agency)	$148,479,458	0.3%	Rank history: #16 in FY2021, #18 in FY2022, #16 in FY2023 and #21 in FY2024; up 4 since FY2024.
18	CGS Administrators, LLC Top agencies HHS (Department of Health and Human Services)	$140,788,480	0.3%	Rank history: #88 in FY2021, not on the FY2022–FY2023 lists and #27 in FY2024; up 9 since FY2024.
19	Svcmc, Inc. Top agencies DHA (Defense Health Agency)	$125,970,109	0.3%	Rank history: #19 in FY2021, #20 in FY2022, #18 in FY2023 and #22 in FY2024; up 3 since FY2024.
20	Heritage Health Solutions, Inc. 2 awardees Top agencies DOJ (Department of Justice)	$112,277,675	0.2%	Rank history: #20 in FY2021, #21 in FY2022, #19 in FY2023 and #25 in FY2024; up 5 since FY2024.
21	First Coast Service Options Inc. Top agencies HHS (Department of Health and Human Services)	$66,085,523	0.1%	Rank history: not on the FY2021–FY2022 lists, #22 in FY2023 and #28 in FY2024; up 7 since FY2024.
22	Signature Choice II, LLC Top agencies VA (Department of Veterans Affairs)	$34,019,417	0.1%	Rank history: not on the FY2021–FY2023 lists and #17 in FY2024; down 5 since FY2024.
23	Taurus, LLC Top agencies DHS (Department of Homeland Security)	$28,506,024	0.1%	Rank history: not on the FY2021–FY2023 lists and #53 in FY2024; up 30 since FY2024.
24	Managed Care Advisors, Inc. Top agencies HHS (Department of Health and Human Services)	$25,300,416	0.1%	Rank history: not on the FY2021 list, #70 in FY2022, not on the FY2023 list and #92 in FY2024; up 68 since FY2024.
25	Healthequity, Inc. Top agencies OPM (Office of Personnel Management) VA (Department of Veterans Affairs) DFAS (Defense Finance and Accounting Service)	$20,918,146	<0.1%	Rank history: #33 in FY2021, #34 in FY2022, #30 in FY2023 and #34 in FY2024; up 9 since FY2024.
26	Alliant Insurance Services, Inc. Top agencies DOT (Department of Transportation) VA (Department of Veterans Affairs) DHS (Department of Homeland Security)	$16,120,729	<0.1%	Rank history: #28 in FY2021, #30 in FY2022, #33 in FY2023 and #32 in FY2024; up 6 since FY2024.
27	Metropolitan Life Insurance Co Top agencies SEC (Securities and Exchange Commission) Treasury (Department of the Treasury) CFPB (Consumer Financial Protection Bureau)	$14,820,475	<0.1%	Rank history: not on the FY2021–FY2023 lists and #40 in FY2024; up 13 since FY2024.
28	Insurance Services Office Inc. 2 awardees, including ISO Services, Inc. Top agencies DHS (Department of Homeland Security) HHS (Department of Health and Human Services) Treasury (Department of the Treasury)	$13,645,986	<0.1%	Rank history: #91 in FY2021, #38 in FY2022, #32 in FY2023 and #37 in FY2024; up 9 since FY2024.
29	International Medical Group Inc. Top agencies CNCS (Corporation for National and Community Service) Peace Corps	$12,564,623	<0.1%	Rank history: not on the FY2021–FY2023 lists and #38 in FY2024; up 9 since FY2024.
30	Dhipaya Insurance Public Company Limited Top agencies DOS (Department of State)	$12,397,685	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
31	Conduent Federal Solutions LLC Top agencies DOL (Department of Labor)	$9,787,735	<0.1%	Rank history: #35 in FY2021, #42 in FY2022, #41 in FY2023 and #39 in FY2024; up 8 since FY2024.
32	AXA Seguros Top agencies DOS (Department of State) USDA (Department of Agriculture) DOJ (Department of Justice)	$9,632,685	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
33	Acentra Health LLC Top agencies DOL (Department of Labor)	$9,604,080	<0.1%	Rank history: #41 in FY2021, #39 in FY2022, #35 in FY2023 and #41 in FY2024; up 8 since FY2024.
34	Naphcare LLC Top agencies DOJ (Department of Justice)	$8,223,617	<0.1%	Rank history: not on the FY2021 list, #35 in FY2022, #31 in FY2023 and #43 in FY2024; up 9 since FY2024.
35	Caresource Military & Veterans Co. Top agencies DHA (Defense Health Agency)	$8,000,000	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
36	Milliman, Inc. Top agencies VA (Department of Veterans Affairs)	$7,303,292	<0.1%	Rank history: #26 in FY2021, #33 in FY2022, #34 in FY2023 and #45 in FY2024; up 9 since FY2024.
37	Bradesco Saude S / A Top agencies DOS (Department of State)	$7,177,643	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
38	Afma SA Top agencies DOS (Department of State)	$6,997,232	<0.1%	Rank history: not on the FY2021–FY2022 lists, #79 in FY2023 and not on the FY2024 list; up 66 since FY2024.
39	American Pet Insurance Company Top agencies VA (Department of Veterans Affairs)	$6,546,028	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
40	British United Provident Association Limited(the) Through Bupa Acibadem Sigorta Anonim Sirketi" Top agencies DOS (Department of State)	$6,336,382	<0.1%	Rank history: not on the FY2021–FY2022 lists, #53 in FY2023 and #62 in FY2024; up 22 since FY2024.
41	Consumer Capital Group Corp. Top agencies Navy (Department of the Navy)	$5,890,000	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
42	Malath Cooperative Insurance and Reinsurance Company Top agencies DOS (Department of State)	$5,481,895	<0.1%	Rank history: #45 in FY2021, #48 in FY2022, #43 in FY2023 and #49 in FY2024; up 7 since FY2024.
43	Varetis, Inc. Top agencies DOJ (Department of Justice)	$5,472,500	<0.1%	Rank history: #52 in FY2021, #55 in FY2022, not on the FY2023 list and #97 in FY2024; up 54 since FY2024.
44	Capitol Bridge, LLC Top agencies HHS (Department of Health and Human Services)	$5,215,416	<0.1%	Rank history: #42 in FY2021, #44 in FY2022, #38 in FY2023 and #80 in FY2024; up 36 since FY2024.
45	AIA Life Insurance Company Limited Beijing Branch Top agencies DOS (Department of State)	$5,076,000	<0.1%	Rank history: not on the FY2021–FY2023 lists and #61 in FY2024; up 16 since FY2024.
46	Al-Nisr Al-Arabi Insurance Top agencies DOS (Department of State)	$4,715,861	<0.1%	Rank history: #48 in FY2021, #52 in FY2022, #42 in FY2023 and #50 in FY2024; up 4 since FY2024.
47	Marsh & Mclennan Companies Inc. Through Guy Carpenter & Company, LLC Top agencies DHS (Department of Homeland Security)	$4,500,000	<0.1%	Rank history: #25 in FY2021, #25 in FY2022, #24 in FY2023 and #29 in FY2024; down 18 since FY2024.
48	Cigna Worldwide Insurance Branch Top agencies Army (Department of the Army)	$4,338,456	<0.1%	Rank history: not on the FY2021–FY2023 lists and #66 in FY2024; up 18 since FY2024.
49	Delta Dental Insurance Company Top agencies Treasury (Department of the Treasury)	$4,231,767	<0.1%	Rank history: #47 in FY2021 and not on the FY2022–FY2024 lists; returned.
50	American Life Insurance Company Alico Lebanon Top agencies DOS (Department of State)	$3,898,249	<0.1%	Rank history: not on the FY2021 list, #93 in FY2022, #46 in FY2023 and #57 in FY2024; up 7 since FY2024.
51	Pan American Life De Colombia Compania De Seguros S A Top agencies DOS (Department of State)	$3,889,890	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 176 since FY2024.
52	American Life Insurance Co (Dubai Branch) Top agencies DOS (Department of State)	$3,768,046	<0.1%	Rank history: not on the FY2021–FY2023 lists and #55 in FY2024; up 3 since FY2024.
53	Asuransi Jasa Indonesia (Persero), PT Top agencies DOS (Department of State)	$3,410,841	<0.1%	Rank history: #55 in FY2021, #65 in FY2022, #51 in FY2023 and #59 in FY2024; up 6 since FY2024.
54	Lisungi SA Top agencies DOS (Department of State) USAID (US Agency for International Development) HHS (Department of Health and Human Services)	$3,400,478	<0.1%	Rank history: #67 in FY2021, #64 in FY2022, #60 in FY2023 and #56 in FY2024; up 2 since FY2024.
55	Philhealthcare, Inc. Top agencies DOS (Department of State) DSCA (Defense Security Cooperation Agency)	$3,305,643	<0.1%	Rank history: not on the FY2021–FY2023 lists and #83 in FY2024; up 28 since FY2024.
56	Delta Dental of South Dakota Top agencies HHS (Department of Health and Human Services)	$3,060,758	<0.1%	Rank history: #65 in FY2021, #59 in FY2022, #58 in FY2023 and #71 in FY2024; up 15 since FY2024.
57	Sinoasia B&R Insurance Company Joint Stock Company Top agencies DOS (Department of State)	$2,501,738	<0.1%	Rank history: not on the FY2021 list, #92 in FY2022, #59 in FY2023 and #60 in FY2024; up 3 since FY2024.
58	Private Joint Stock Company "Insurance Company "Uniqa" Top agencies DOS (Department of State)	$2,340,095	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
59	Palisade Strategies, LLC Top agencies VA (Department of Veterans Affairs)	$2,202,165	<0.1%	Rank history: #72 in FY2021, #69 in FY2022, #71 in FY2023 and #93 in FY2024; up 34 since FY2024.
60	Reli Group Inc. Top agencies HHS (Department of Health and Human Services)	$2,197,423	<0.1%	Rank history: #34 in FY2021, #37 in FY2022, #40 in FY2023 and not on the FY2024 list; returned.
61	Innovative Claim Solutions, Inc. Top agencies DOE (Department of Energy)	$2,057,346	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 40 since FY2024.
62	Paragon Benefits, Inc. Top agencies Navy (Department of the Navy)	$2,031,050	<0.1%	Rank history: #38 in FY2021, #41 in FY2022, #47 in FY2023 and #47 in FY2024; down 15 since FY2024.
63	Seguros Caracas C.A. Top agencies DOS (Department of State)	$2,028,936	<0.1%	Rank history: not on the FY2021–FY2023 lists and #72 in FY2024; up 9 since FY2024.
64	Nuvologic Consulting Inc. Top agencies HUD (Department of Housing and Urban Development)	$2,011,092	<0.1%	Rank history: not on the FY2021–FY2022 lists, #49 in FY2023 and not on the FY2024 list; returned.
65	Administradora De Riesgos De Salud DR. Yunen S A Top agencies DOS (Department of State)	$1,967,290	<0.1%	Rank history: not on the FY2021–FY2022 lists, #67 in FY2023 and #73 in FY2024; up 8 since FY2024.
66	Assuria General (Gy) Inc. Top agencies DOS (Department of State)	$1,947,461	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
67	Dhaif Insurance Agency Co. W.l.l Top agencies Navy (Department of the Navy) Army (Department of the Army)	$1,811,203	<0.1%	Rank history: #66 in FY2021, not on the FY2022 list, #85 in FY2023 and #68 in FY2024; up 1 since FY2024.
68	Britam - Companhia De Seguros De Mocambique, S.A Top agencies DOS (Department of State)	$1,634,677	<0.1%	Rank history: not on the FY2021 list, #68 in FY2022, #62 in FY2023 and #63 in FY2024; down 5 since FY2024.
69	Seguros Universales Top agencies DOS (Department of State)	$1,589,454	<0.1%	Rank history: not on the FY2021 list, #54 in FY2022, not on the FY2023 list and #54 in FY2024; down 15 since FY2024.
70	Bajaj General Insurance Limited Top agencies DOS (Department of State)	$1,555,840	<0.1%	Rank history: not on the FY2021–FY2022 lists, #78 in FY2023 and #77 in FY2024; up 7 since FY2024.
71	Family Guardian Insurance Company Limited Top agencies DOS (Department of State)	$1,502,982	<0.1%	Rank history: not on the FY2021 list, #80 in FY2022, #86 in FY2023 and #74 in FY2024; up 3 since FY2024.
72	Almaseer Insurance Company Top agencies DOS (Department of State)	$1,487,847	<0.1%	Rank history: #75 in FY2021, #77 in FY2022, #73 in FY2023 and #81 in FY2024; up 9 since FY2024.
73	Palisade-Heritage Joint Venture II, LLC Top agencies VA (Department of Veterans Affairs)	$1,483,098	<0.1%	Rank history: not on the FY2021–FY2023 lists and #91 in FY2024; up 18 since FY2024.
74	Assemble Insurance Tanzania Limited Top agencies DOS (Department of State)	$1,443,950	<0.1%	Rank history: not on the FY2021–FY2022 lists, #65 in FY2023 and #67 in FY2024; down 7 since FY2024.
75	Ascoma Tchad Top agencies DOS (Department of State)	$1,425,874	<0.1%	Rank history: not on the FY2021 list, #98 in FY2022, #64 in FY2023 and #89 in FY2024; up 14 since FY2024.
76	IT Data Consulting L.L.C. Top agencies HUD (Department of Housing and Urban Development)	$1,425,817	<0.1%	Rank history: not on the FY2021–FY2022 lists, #66 in FY2023 and #78 in FY2024; up 2 since FY2024.
77	Seven Corners Inc. Top agencies DOS (Department of State)	$1,391,001	<0.1%	Rank history: #54 in FY2021, #57 in FY2022, #100 in FY2023 and #75 in FY2024; down 2 since FY2024.
78	Fidelity Life Medical Aid Society Top agencies DOS (Department of State)	$1,381,917	<0.1%	Rank history: #99 in FY2021 and not on the FY2022–FY2024 lists; up 73 since FY2024.
79	Great-West Life Assurance Company the Through The Canada Life Assurance Co. Top agencies DOS (Department of State)	$1,358,216	<0.1%	Rank history: #63 in FY2021, #66 in FY2022, #61 in FY2023 and #69 in FY2024; down 10 since FY2024.
80	Aseguradora Ancon, S.A. Top agencies DOS (Department of State)	$1,290,652	<0.1%	Rank history: not on the FY2021–FY2023 lists and #98 in FY2024; up 18 since FY2024.
81	NN Hellenic Life Insurance Company Single Member S.a. Top agencies DOS (Department of State)	$1,272,281	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
82	The Canada Life Assurance Co. Top agencies DOS (Department of State)	$1,214,322	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
83	Snic Insurance B.S.C.(C) Through Snic Insurance B.s.c. Top agencies DOS (Department of State)	$1,214,045	<0.1%	Rank history: not on the FY2021–FY2022 lists, #84 in FY2023 and not on the FY2024 list; up 24 since FY2024.
84	Mutuelle Generale De L'education Nationale Top agencies DOS (Department of State)	$1,171,815	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 25 since FY2024.
85	Sisa Vida Seguros DE Personas SA Through Sisa Vida SA Seguro De Personas Top agencies DOS (Department of State)	$1,149,241	<0.1%	Rank history: #78 in FY2021, #87 in FY2022, #82 in FY2023 and #76 in FY2024; down 9 since FY2024.
86	Seguros Crefisa SA Top agencies DOS (Department of State)	$1,083,886	<0.1%	Rank history: not on the FY2021–FY2023 lists and #88 in FY2024; up 2 since FY2024.
87	Bisa Seguros Y Reaseguros S.A. Top agencies DOS (Department of State)	$1,077,325	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 39 since FY2024.
88	Kompania E Sigurimeve "Elsig" Sh.a. Top agencies DOS (Department of State)	$1,029,831	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 15 since FY2024.
89	Jubilee Health Insurance Company of Uganda Limited Top agencies DOS (Department of State)	$1,002,640	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
90	Saham Assurance Vie CI Top agencies DOS (Department of State)	$995,921	<0.1%	Rank history: #94 in FY2021, #90 in FY2022, #91 in FY2023 and #100 in FY2024; up 10 since FY2024.
91	AIA Singapore Private Limited Top agencies DOS (Department of State) Navy (Department of the Navy) Commerce (Department of Commerce)	$982,695	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 27 since FY2024.
92	Defense Collaboration Group LLC Top agencies Army (Department of the Army)	$977,234	<0.1%	Rank history: not on the FY2021–FY2022 lists, #63 in FY2023 and #84 in FY2024; down 8 since FY2024.
93	Ensa - Seguros De Angola, S.A. Top agencies DOS (Department of State)	$969,192	<0.1%	Rank history: #76 in FY2021, #78 in FY2022, #74 in FY2023 and #79 in FY2024; down 14 since FY2024.
94	Gulf Insurance Group Top agencies OSD (Office of the Secretary of Defense) Army (Department of the Army)	$861,364	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
95	Pacific Cross Insurance Company Limited Top agencies DOS (Department of State)	$861,274	<0.1%	Rank history: #89 in FY2021, #81 in FY2022, #97 in FY2023 and not on the FY2024 list; up 10 since FY2024.
96	Concordia Top agencies DOS (Department of State)	$845,251	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 20 since FY2024.
97	If P & C Insurance AS Latvijas Filiale Top agencies DOS (Department of State)	$843,219	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 89 since FY2024.
98	TBC Insurance JSC Top agencies DOS (Department of State) USAID (US Agency for International Development)	$841,654	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 31 since FY2024.
99	BAO Minh Ha NOI Insurance Company Top agencies DOS (Department of State)	$838,586	<0.1%	Rank history: not on the FY2021–FY2024 lists; new.
100	AXA Assurances Senegal Top agencies DOS (Department of State)	$809,612	<0.1%	Rank history: not on the FY2021–FY2024 lists; up 6 since FY2024.

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100 of 252 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 524

Code	Net obligations	Largest contractor
5241 Insurance Carriers	$47,645,083,835	UnitedHealth Group Incorporated
5242 Agencies, Brokerages, and Other Insurance Related Activities	$839,313,805	Triwest Healthcare Alliance Corp

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 $48.9 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 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 524 contractors in FY2025?

1. UnitedHealth Group Incorporated ($22.7B), 2. Triwest Healthcare Alliance Corp ($13.4B), 3. Humana Government Business Inc. ($6.51B), 4. Health Net Federal Services, LLC ($1.43B), 5. Express Scripts Inc ($555M), 6. Johns Hopkins University ($485M), 7. Martins Point Health Care Inc. ($427M), 8. United Concordia Companies, Inc. ($403M), 9. Palmetto Gba, LLC ($326M), 10. Novitas Solutions, Inc. ($201M).

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