Top 100 Contractors in NAICS 524: Insurance Carriers and Related Activities, FY2024

Name: Top 100 Contractors in NAICS 524: Insurance Carriers and Related Activities, FY2024
Creator: GovTribe

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

The top 10 won 92% of FY2024 NAICS 524 contract dollars

Contract obligations: $44,789,134,319 Net of deobligations, by contracts coded NAICS 524 or a code under it
Contractors: 292 Parent companies with an obligation
Largest contractor: UnitedHealth Group Incorporated $17 billion, 37.5% 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 6 awardees, including Optum Public Sector Solutions, Inc., Optumrx Administrative Services, LLC and Optumserve Technology Services, Inc. Top agencies VA (Department of Veterans Affairs) HHS (Department of Health and Human Services) Treasury (Department of the Treasury)	$17,026,606,863	37.5%	Rank history: #1 in FY2021, #22 in FY2022, #23 in FY2023 and #1 in FY2025; up 22 since FY2023.
2	Triwest Healthcare Alliance Corp Top agencies VA (Department of Veterans Affairs) DHA (Defense Health Agency)	$8,382,064,045	18.5%	Rank history: #3 in FY2021, #3 in FY2022, #2 in FY2023 and #2 in FY2025; unchanged since FY2023.
3	Humana Government Business Inc. Top agencies DHA (Defense Health Agency)	$4,963,545,132	10.9%	Rank history: #21 in FY2021, not on the FY2022–FY2023 lists and #3 in FY2025; returned.
4	Optum Public Sector Solutions Inc Top agencies VA (Department of Veterans Affairs)	$3,313,591,136	7.3%	Rank history: not on the FY2021 list, #1 in FY2022, #1 in FY2023 and not on the FY2025 list; down 3 since FY2023.
5	Tcfii Valor Buyer LLC Through Humana Government Business Inc. Top agencies DHA (Defense Health Agency)	$3,065,661,739	6.8%	Rank history: #2 in FY2021, #2 in FY2022, #3 in FY2023 and not on the FY2025 list; down 2 since FY2023.
6	Health Net Federal Services, LLC Top agencies DHA (Defense Health Agency)	$2,506,187,607	5.5%	Rank history: #46 in FY2021, #6 in FY2022, #10 in FY2023 and #4 in FY2025; up 4 since FY2023.
7	Centene Corporation Through Health Net Federal Services, LLC Top agencies DHA (Defense Health Agency)	$1,039,804,162	2.3%	Rank history: #4 in FY2021, #4 in FY2022, #4 in FY2023 and not on the FY2025 list; down 3 since FY2023.
8	Express Scripts Inc. 3 awardees Top agencies DHA (Defense Health Agency)	$524,854,130	1.2%	Rank history: not on the FY2021–FY2022 lists, #5 in FY2023 and #5 in FY2025; down 3 since FY2023.
9	Martins Point Health Care Inc. Top agencies DHA (Defense Health Agency)	$424,200,000	0.9%	Rank history: #8 in FY2021, #9 in FY2022, #8 in FY2023 and #7 in FY2025; down 1 since FY2023.
10	Johns Hopkins University Through The Johns Hopkins Medical Services Corporation Top agencies DHA (Defense Health Agency)	$285,750,000	0.6%	Rank history: not on the FY2021–FY2023 lists and #6 in FY2025; new.
11	United Concordia Companies, Inc. Top agencies DHA (Defense Health Agency) CFPB (Consumer Financial Protection Bureau)	$273,391,376	0.6%	Rank history: not on the FY2021–FY2023 lists and #8 in FY2025; new.
12	Noridian Healthcare Solutions, LLC Top agencies HHS (Department of Health and Human Services)	$258,822,001	0.6%	Rank history: not on the FY2021–FY2023 lists and #11 in FY2025; new.
13	Blue Cross & Blue Shield of South Carolina 2 awardees, including Palmetto Gba, LLC and CGS Administrators, LLC Top agencies HHS (Department of Health and Human Services)	$211,087,303	0.5%	Rank history: #9 in FY2021, #10 in FY2022, #7 in FY2023 and not on the FY2025 list; down 6 since FY2023.
14	The Johns Hopkins Health System Corporation Through The Johns Hopkins Medical Services Corporation Top agencies DHA (Defense Health Agency)	$204,300,000	0.5%	Rank history: #7 in FY2021, #8 in FY2022, #6 in FY2023 and not on the FY2025 list; down 8 since FY2023.
15	Novitas Solutions, Inc. Top agencies HHS (Department of Health and Human Services)	$184,994,363	0.4%	Rank history: not on the FY2021 list, #17 in FY2022, #26 in FY2023 and #10 in FY2025; up 11 since FY2023.
16	Pacmed Clinics Top agencies DHA (Defense Health Agency)	$178,900,000	0.4%	Rank history: #12 in FY2021, #13 in FY2022, #12 in FY2023 and #13 in FY2025; down 4 since FY2023.
17	Signature Choice II, LLC Top agencies VA (Department of Veterans Affairs)	$164,457,790	0.4%	Rank history: not on the FY2021–FY2023 lists and #22 in FY2025; new.
18	International SOS Government Services Inc. 2 awardees Top agencies DHA (Defense Health Agency)	$162,436,091	0.4%	Rank history: #18 in FY2021, #19 in FY2022, #15 in FY2023 and #14 in FY2025; down 3 since FY2023.
19	Brighton Marine, Inc. Top agencies DHA (Defense Health Agency)	$158,050,000	0.3%	Rank history: #14 in FY2021, #15 in FY2022, #14 in FY2023 and #15 in FY2025; down 5 since FY2023.
20	Wisconsin Physicians Service Insurance Corp. Top agencies HHS (Department of Health and Human Services) DHA (Defense Health Agency)	$157,949,187	0.3%	Rank history: #13 in FY2021, #12 in FY2022, #21 in FY2023 and #16 in FY2025; up 1 since FY2023.
21	Christus Health Top agencies DHA (Defense Health Agency)	$146,689,344	0.3%	Rank history: #16 in FY2021, #18 in FY2022, #16 in FY2023 and #17 in FY2025; down 5 since FY2023.
22	Svcmc, Inc. Top agencies DHA (Defense Health Agency)	$127,622,100	0.3%	Rank history: #19 in FY2021, #20 in FY2022, #18 in FY2023 and #19 in FY2025; down 4 since FY2023.
23	Guidewell Mutual Holding Corporation Through Novitas Solutions, Inc. Top agencies HHS (Department of Health and Human Services)	$117,973,277	0.3%	Rank history: #10 in FY2021, #14 in FY2022, #13 in FY2023 and not on the FY2025 list; down 10 since FY2023.
24	Anthem Inc. Through Wellpoint Federal Solutions, Inc. Top agencies HHS (Department of Health and Human Services)	$116,439,708	0.3%	Rank history: #15 in FY2021, #16 in FY2022, #11 in FY2023 and #12 in FY2025; down 13 since FY2023.
25	Heritage Health Solutions Inc. Top agencies DOJ (Department of Justice)	$114,679,608	0.3%	Rank history: not on the FY2021–FY2023 lists and #20 in FY2025; new.
26	Highmark Inc. Through United Concordia Companies, Inc. Top agencies DHA (Defense Health Agency)	$113,179,969	0.2%	Rank history: #6 in FY2021, #7 in FY2022, #9 in FY2023 and not on the FY2025 list; down 17 since FY2023.
27	CGS Administrators, LLC Top agencies HHS (Department of Health and Human Services)	$106,646,748	0.2%	Rank history: #88 in FY2021, not on the FY2022–FY2023 lists and #18 in FY2025; returned.
28	First Coast Service Options Inc. Top agencies HHS (Department of Health and Human Services)	$76,583,002	0.2%	Rank history: not on the FY2021–FY2022 lists, #22 in FY2023 and #21 in FY2025; down 6 since FY2023.
29	Marsh & Mclennan Companies Inc. 2 awardees, including Torrent Technologies, Inc. and Guy Carpenter & Company, LLC Top agencies DHS (Department of Homeland Security)	$25,841,444	0.1%	Rank history: #25 in FY2021, #25 in FY2022, #24 in FY2023 and #47 in FY2025; down 5 since FY2023.
30	Palmetto Gba, LLC Top agencies HHS (Department of Health and Human Services)	$25,113,351	0.1%	Rank history: not on the FY2021 list, #58 in FY2022, not on the FY2023 list and #9 in FY2025; returned.
31	Torrent Technologies, Inc. Top agencies DHS (Department of Homeland Security)	$23,234,919	0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
32	Alliant Insurance Services, Inc. Top agencies DOT (Department of Transportation) VA (Department of Veterans Affairs) DHS (Department of Homeland Security)	$21,766,232	<0.1%	Rank history: #28 in FY2021, #30 in FY2022, #33 in FY2023 and #26 in FY2025; up 1 since FY2023.
33	Sedgwick Public Sector LLC Through Managed Care Advisors, Inc. Top agencies HHS (Department of Health and Human Services)	$21,187,001	<0.1%	Rank history: not on the FY2021 list, #32 in FY2022, #28 in FY2023 and not on the FY2025 list; down 5 since FY2023.
34	Healthequity, Inc. 2 awardees Top agencies OPM (Office of Personnel Management) VA (Department of Veterans Affairs) Navy (Department of the Navy)	$18,536,817	<0.1%	Rank history: #33 in FY2021, #34 in FY2022, #30 in FY2023 and #25 in FY2025; down 4 since FY2023.
35	Signature Choice, LLC Top agencies VA (Department of Veterans Affairs)	$15,776,196	<0.1%	Rank history: #17 in FY2021, #23 in FY2022, #17 in FY2023 and not on the FY2025 list; down 18 since FY2023.
36	Serco Inc Top agencies PBGC (Pension Benefit Guaranty Corporation)	$14,782,817	<0.1%	Rank history: not on the FY2021–FY2022 lists, #27 in FY2023 and not on the FY2025 list; down 9 since FY2023.
37	Insurance Services Office Inc. Top agencies DHS (Department of Homeland Security) Treasury (Department of the Treasury)	$14,394,549	<0.1%	Rank history: #91 in FY2021, #38 in FY2022, #32 in FY2023 and #28 in FY2025; down 5 since FY2023.
38	International Medical Group Inc. Top agencies CNCS (Corporation for National and Community Service) Peace Corps	$11,093,167	<0.1%	Rank history: not on the FY2021–FY2023 lists and #29 in FY2025; new.
39	Conduent Federal Solutions LLC 2 awardees Top agencies DOL (Department of Labor)	$10,871,587	<0.1%	Rank history: #35 in FY2021, #42 in FY2022, #41 in FY2023 and #31 in FY2025; up 2 since FY2023.
40	Metropolitan Life Insurance Co Top agencies SEC (Securities and Exchange Commission) CFPB (Consumer Financial Protection Bureau) CFTC (Commodity Futures Trading Commission)	$9,247,998	<0.1%	Rank history: not on the FY2021–FY2023 lists and #27 in FY2025; new.
41	Acentra Health LLC Top agencies DOL (Department of Labor)	$9,123,967	<0.1%	Rank history: #41 in FY2021, #39 in FY2022, #35 in FY2023 and #33 in FY2025; down 6 since FY2023.
42	AXA Seguros S.a. DE C.V. Through AXA Seguros Top agencies DOS (Department of State) Treasury (Department of the Treasury)	$8,905,574	<0.1%	Rank history: #39 in FY2021, #45 in FY2022, #39 in FY2023 and not on the FY2025 list; down 3 since FY2023.
43	Naphcare LLC Top agencies DOJ (Department of Justice)	$8,630,129	<0.1%	Rank history: not on the FY2021 list, #35 in FY2022, #31 in FY2023 and #34 in FY2025; down 12 since FY2023.
44	American Pet Insurance Company Top agencies VA (Department of Veterans Affairs)	$7,613,084	<0.1%	Rank history: #40 in FY2021, #46 in FY2022, #37 in FY2023 and not on the FY2025 list; down 7 since FY2023.
45	Milliman, Inc. Top agencies VA (Department of Veterans Affairs)	$7,204,603	<0.1%	Rank history: #26 in FY2021, #33 in FY2022, #34 in FY2023 and #36 in FY2025; down 11 since FY2023.
46	Metlife, Inc. 3 awardees, including Metropolitan Life Insurance Co, Metlife Emeklilik VE Hayat Anonim Sirketi and American Life Insurance Company Top agencies Treasury (Department of the Treasury) CFPB (Consumer Financial Protection Bureau) CFTC (Commodity Futures Trading Commission)	$6,420,762	<0.1%	Rank history: #29 in FY2021, #31 in FY2022, #29 in FY2023 and not on the FY2025 list; down 17 since FY2023.
47	Paragon Benefits, Inc. Top agencies Navy (Department of the Navy)	$6,045,800	<0.1%	Rank history: #38 in FY2021, #41 in FY2022, #47 in FY2023 and #62 in FY2025; unchanged since FY2023.
48	Aetna Health Insurance (Thailand) Public Company Limited Top agencies DOS (Department of State)	$5,194,233	<0.1%	Rank history: not on the FY2021 list, #51 in FY2022, #48 in FY2023 and not on the FY2025 list; unchanged since FY2023.
49	Malath Cooperative Insurance and Reinsurance Company Top agencies DOS (Department of State)	$4,947,111	<0.1%	Rank history: #45 in FY2021, #48 in FY2022, #43 in FY2023 and #42 in FY2025; down 6 since FY2023.
50	Al-Nisr Al-Arabi Insurance Top agencies DOS (Department of State)	$4,664,311	<0.1%	Rank history: #48 in FY2021, #52 in FY2022, #42 in FY2023 and #46 in FY2025; down 8 since FY2023.
51	Reli Group Inc Top agencies HHS (Department of Health and Human Services)	$3,876,295	<0.1%	Rank history: #34 in FY2021, #37 in FY2022, #40 in FY2023 and not on the FY2025 list; down 11 since FY2023.
52	Delta Dental of California 2 awardees, including Delta Dental Insurance Company Top agencies Treasury (Department of the Treasury)	$3,831,692	<0.1%	Rank history: not on the FY2021 list, #47 in FY2022, #44 in FY2023 and not on the FY2025 list; down 8 since FY2023.
53	Taurus, LLC Top agencies DHS (Department of Homeland Security)	$3,700,640	<0.1%	Rank history: not on the FY2021–FY2023 lists and #23 in FY2025; new.
54	Seguros Universales Top agencies DOS (Department of State)	$3,673,928	<0.1%	Rank history: not on the FY2021 list, #54 in FY2022, not on the FY2023 list and #69 in FY2025; up 127 since FY2023.
55	American Life Insurance Co (Dubai Branch) Top agencies DOS (Department of State)	$3,449,480	<0.1%	Rank history: not on the FY2021–FY2023 lists and #52 in FY2025; up 116 since FY2023.
56	Lisungi SA Top agencies DOS (Department of State) USAID (US Agency for International Development) HHS (Department of Health and Human Services)	$3,343,988	<0.1%	Rank history: #67 in FY2021, #64 in FY2022, #60 in FY2023 and #54 in FY2025; up 4 since FY2023.
57	American Life Insurance Company Alico Lebanon Top agencies DOS (Department of State)	$3,274,816	<0.1%	Rank history: not on the FY2021 list, #93 in FY2022, #46 in FY2023 and #50 in FY2025; down 11 since FY2023.
58	The SSI Group, LLC Top agencies HHS (Department of Health and Human Services)	$3,231,729	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
59	Asuransi Jasa Indonesia (Persero), PT Top agencies DOS (Department of State)	$2,914,499	<0.1%	Rank history: #55 in FY2021, #65 in FY2022, #51 in FY2023 and #53 in FY2025; down 8 since FY2023.
60	Sinoasia B&R Insurance Company Joint Stock Company Top agencies DOS (Department of State)	$2,706,671	<0.1%	Rank history: not on the FY2021 list, #92 in FY2022, #59 in FY2023 and #57 in FY2025; down 1 since FY2023.
61	AIA Life Insurance Company Limited Beijing Branch Top agencies DOS (Department of State)	$2,515,675	<0.1%	Rank history: not on the FY2021–FY2023 lists and #45 in FY2025; new.
62	British United Provident Association Limited(the) Through Bupa Acibadem Sigorta Anonim Sirketi" Top agencies DOS (Department of State)	$2,437,208	<0.1%	Rank history: not on the FY2021–FY2022 lists, #53 in FY2023 and #40 in FY2025; down 9 since FY2023.
63	Britam - Companhia De Seguros De Mocambique, S.A Top agencies DOS (Department of State)	$2,298,544	<0.1%	Rank history: not on the FY2021 list, #68 in FY2022, #62 in FY2023 and #68 in FY2025; down 1 since FY2023.
64	Uniqa Insurance Group AG 2 awardees, including Private Joint Stock Company "Insurance Company "Uniqa" and Sigal Insurance Group Sh.a. Top agencies DOS (Department of State)	$2,270,117	<0.1%	Rank history: #58 in FY2021, #56 in FY2022, #55 in FY2023 and not on the FY2025 list; down 9 since FY2023.
65	New Sudan Insurance Company Ltd Top agencies DOS (Department of State)	$2,169,527	<0.1%	Rank history: not on the FY2021–FY2022 lists, #52 in FY2023 and not on the FY2025 list; down 13 since FY2023.
66	Cigna Worldwide Insurance Branch Top agencies Army (Department of the Army)	$2,142,723	<0.1%	Rank history: not on the FY2021–FY2023 lists and #48 in FY2025; new.
67	Assemble Insurance Tanzania Limited Top agencies DOS (Department of State)	$2,068,548	<0.1%	Rank history: not on the FY2021–FY2022 lists, #65 in FY2023 and #74 in FY2025; down 2 since FY2023.
68	Dhaif Insurance Agency Co. W.l.l Top agencies Navy (Department of the Navy) Army (Department of the Army) DODEA (Department of Defense Education Activity)	$1,949,247	<0.1%	Rank history: #66 in FY2021, not on the FY2022 list, #85 in FY2023 and #67 in FY2025; up 17 since FY2023.
69	Great-West Life Assurance Company the Through The Canada Life Assurance Co. Top agencies DOS (Department of State)	$1,949,013	<0.1%	Rank history: #63 in FY2021, #66 in FY2022, #61 in FY2023 and #79 in FY2025; down 8 since FY2023.
70	Waseyabek Falcon JV, LLC Top agencies HUD (Department of Housing and Urban Development)	$1,857,486	<0.1%	Rank history: not on the FY2021–FY2022 lists, #69 in FY2023 and not on the FY2025 list; down 1 since FY2023.
71	Delta Dental of South Dakota Top agencies HHS (Department of Health and Human Services)	$1,831,118	<0.1%	Rank history: #65 in FY2021, #59 in FY2022, #58 in FY2023 and #56 in FY2025; down 13 since FY2023.
72	Seguros Caracas C.A. Top agencies DOS (Department of State)	$1,722,480	<0.1%	Rank history: not on the FY2021–FY2023 lists and #63 in FY2025; new.
73	Administradora De Riesgos De Salud DR. Yunen S A Top agencies DOS (Department of State)	$1,705,879	<0.1%	Rank history: not on the FY2021–FY2022 lists, #67 in FY2023 and #65 in FY2025; down 6 since FY2023.
74	Family Guardian Insurance Company Limited Top agencies DOS (Department of State)	$1,580,928	<0.1%	Rank history: not on the FY2021 list, #80 in FY2022, #86 in FY2023 and #71 in FY2025; up 12 since FY2023.
75	Seven Corners Inc. Top agencies DOS (Department of State)	$1,555,818	<0.1%	Rank history: #54 in FY2021, #57 in FY2022, #100 in FY2023 and #77 in FY2025; up 25 since FY2023.
76	Sisa Vida Seguros DE Personas SA Through Sisa Vida SA Seguro De Personas Top agencies DOS (Department of State)	$1,520,644	<0.1%	Rank history: #78 in FY2021, #87 in FY2022, #82 in FY2023 and #85 in FY2025; up 6 since FY2023.
77	Bajaj General Insurance Limited Top agencies DOS (Department of State)	$1,509,861	<0.1%	Rank history: not on the FY2021–FY2022 lists, #78 in FY2023 and #70 in FY2025; up 1 since FY2023.
78	IT Data Consulting L.L.C. Top agencies HUD (Department of Housing and Urban Development)	$1,471,431	<0.1%	Rank history: not on the FY2021–FY2022 lists, #66 in FY2023 and #76 in FY2025; down 12 since FY2023.
79	Ensa - Seguros De Angola, S.A. Top agencies DOS (Department of State)	$1,421,288	<0.1%	Rank history: #76 in FY2021, #78 in FY2022, #74 in FY2023 and #93 in FY2025; down 5 since FY2023.
80	Capitol Bridge, LLC Top agencies HHS (Department of Health and Human Services)	$1,412,739	<0.1%	Rank history: #42 in FY2021, #44 in FY2022, #38 in FY2023 and #44 in FY2025; down 42 since FY2023.
81	Almaseer Insurance Company Top agencies DOS (Department of State)	$1,353,618	<0.1%	Rank history: #75 in FY2021, #77 in FY2022, #73 in FY2023 and #72 in FY2025; down 8 since FY2023.
82	Inpoint, Inc. Top agencies Treasury (Department of the Treasury)	$1,353,280	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
83	Philhealthcare, Inc. Top agencies DOS (Department of State) DSCA (Defense Security Cooperation Agency)	$1,327,874	<0.1%	Rank history: not on the FY2021–FY2023 lists and #55 in FY2025; new.
84	Defense Collaboration Group LLC Top agencies Army (Department of the Army)	$1,264,059	<0.1%	Rank history: not on the FY2021–FY2022 lists, #63 in FY2023 and #92 in FY2025; down 21 since FY2023.
85	Arthur J Gallagher & Co Top agencies DOT (Department of Transportation)	$1,250,000	<0.1%	Rank history: not on the FY2021 list, #74 in FY2022, #72 in FY2023 and not on the FY2025 list; down 13 since FY2023.
86	UEI M5D4G8Y32F83 Top agencies DOS (Department of State)	$1,232,467	<0.1%	Rank history: #82 in FY2021, #84 in FY2022, #80 in FY2023 and not on the FY2025 list; down 6 since FY2023.
87	PAK Qatar Family Takaful Limited Top agencies DOS (Department of State)	$1,123,155	<0.1%	Rank history: #71 in FY2021, #73 in FY2022, #77 in FY2023 and not on the FY2025 list; down 10 since FY2023.
88	Seguros Crefisa SA Top agencies DOS (Department of State)	$1,113,547	<0.1%	Rank history: not on the FY2021–FY2023 lists and #86 in FY2025; up 14 since FY2023.
89	Ascoma Tchad Top agencies DOS (Department of State)	$1,072,535	<0.1%	Rank history: not on the FY2021 list, #98 in FY2022, #64 in FY2023 and #75 in FY2025; down 25 since FY2023.
90	Viettel Burundi S.a. Through BAO Minh Ha NOI Insurance Company Top agencies DOS (Department of State)	$1,067,687	<0.1%	Rank history: #68 in FY2021, #72 in FY2022, #68 in FY2023 and not on the FY2025 list; down 22 since FY2023.
91	Palisade-Heritage Joint Venture II, LLC Top agencies VA (Department of Veterans Affairs)	$1,052,506	<0.1%	Rank history: not on the FY2021–FY2023 lists and #73 in FY2025; up 49 since FY2023.
92	Managed Care Advisors, Inc. Top agencies HHS (Department of Health and Human Services)	$1,022,747	<0.1%	Rank history: not on the FY2021 list, #70 in FY2022, not on the FY2023 list and #24 in FY2025; returned.
93	Palisade Strategies, LLC Top agencies VA (Department of Veterans Affairs)	$1,015,929	<0.1%	Rank history: #72 in FY2021, #69 in FY2022, #71 in FY2023 and #59 in FY2025; down 22 since FY2023.
94	Palisade-Heritage JV LLC Top agencies VA (Department of Veterans Affairs)	$975,693	<0.1%	Rank history: not on the FY2021 list, #60 in FY2022, #50 in FY2023 and not on the FY2025 list; down 44 since FY2023.
95	Bupa Insurance Services Limited Top agencies DOS (Department of State)	$953,424	<0.1%	Rank history: not on the FY2021–FY2023 lists and not on the FY2025 list; new.
96	AIA Singapore Private Limited 2 awardees, including AIA Life Insurance Company Limited Beijing Branch Top agencies DOS (Department of State) Commerce (Department of Commerce) Navy (Department of the Navy)	$946,761	<0.1%	Rank history: #64 in FY2021, #62 in FY2022, #57 in FY2023 and not on the FY2025 list; down 39 since FY2023.
97	Varetis, Inc. Top agencies DOJ (Department of Justice)	$918,102	<0.1%	Rank history: #52 in FY2021, #55 in FY2022, not on the FY2023 list and #43 in FY2025; returned.
98	Aseguradora Ancon, S.A. Top agencies DOS (Department of State)	$900,974	<0.1%	Rank history: not on the FY2021–FY2023 lists and #80 in FY2025; up 81 since FY2023.
99	Horizon Strategies LLC Top agencies Army (Department of the Army)	$886,536	<0.1%	Rank history: #53 in FY2021, #63 in FY2022, #45 in FY2023 and not on the FY2025 list; down 54 since FY2023.
100	Saham Assurance Vie CI Top agencies DOS (Department of State)	$861,974	<0.1%	Rank history: #94 in FY2021, #90 in FY2022, #91 in FY2023 and #90 in FY2025; down 9 since FY2023.

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100 of 292 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 524

Code	Net obligations	Largest contractor
5241 Insurance Carriers	$43,872,989,128	UnitedHealth Group Incorporated
5242 Agencies, Brokerages, and Other Insurance Related Activities	$916,145,191	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 $45.4 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 524 contractors in FY2024?

1. UnitedHealth Group Incorporated ($17B), 2. Triwest Healthcare Alliance Corp ($8.38B), 3. Humana Government Business Inc. ($4.96B), 4. Optum Public Sector Solutions Inc ($3.31B), 5. Tcfii Valor Buyer LLC ($3.07B), 6. Health Net Federal Services, LLC ($2.51B), 7. Centene Corporation ($1.04B), 8. Express Scripts Inc. ($525M), 9. Martins Point Health Care Inc. ($424M), 10. Johns Hopkins University ($286M).

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