| 1 | Unitedhealth Group Incorporated | USA | Eden Prairie | 1 Health Dr | Hennepin | 55344 | unitedhealthgroup.***** | 1974 | $400,278,000,000 | 400,000 | N/A | N/A | 5777355 |
| 2 | The Cigna Group | USA | Bloomfield | 900 Cottage Grove Rd | Hartford | 06002 | cigna.***** | 1972 | $247,121,000,000 | 73,500 | N/A | N/A | 6784873 |
| 3 | Centene CORPORATION | USA | Saint Louis | 7700 Forsyth Blvd | St. Louis City | 63105 | centene.***** | 1984 | $163,071,000,000 | 60,500 | N/A | N/A | 3439838 |
| 4 | National Health Insurance Service | Southkorea | Weonju | 32 Geongang-ro | Gangwon State | 26464 | N/A | 1998 | $90,850,485,062 | 17,936 | N/A | N/A | 1058211133 |
| 5 | Optum, INC. | USA | Eden Prairie | 11000 Optum Cir | Hennepin | 55344 | optum.***** | 2009 | $26,430,588,845 | 9,080 | N/A | N/A | 4732074 |
| 6 | Optumrx, INC. | USA | Eden Prairie | 11000 Optum Cir | Hennepin | 55344 | N/A | 1990 | $23,006,018,736 | 5,080 | N/A | N/A | N/A |
| 7 | Cigna Holding Company | USA | Bloomfield | 900 Cottage Grove Rd | Hartford | 06002 | my.***** | 2018 | $15,187,084,600 | 74,000 | N/A | N/A | 925609 |
| 8 | Point32health, INC. | USA | Canton | 1 Wellness Way | Norfolk | 02021 | point32health.***** | 2016 | $9,291,017,643 | 2,700 | N/A | N/A | N/A |
| 9 | Oscar Health, INC. | USA | New York City | 75 Varick St Ste 500 | New York | 10013 | hioscar.***** | 2012 | $9,177,564,000 | 2,400 | N/A | N/A | 5230394 |
| 10 | Bluecross Blueshield Of Tennessee, INC. | USA | Chattanooga | 1 Cameron Hill Cir | Hamilton | 37402 | bcbs.***** | 1945 | $9,125,800,000 | 5,373 | N/A | N/A | 000067445 |
| 11 | Carefirst, INC. | USA | Washington | 1280 Maryland Ave Sw | District of Columbia | 20024 | carefirst.***** | 1934 | $8,748,055,958 | 6,000 | N/A | N/A | D04849782 |
| 12 | Risant Health INC. | USA | Oakland | 1 Kaiser Plz | Alameda | 94612 | kpihp.***** | 2023 | $8,532,674,392 | 12,000 | N/A | N/A | 7366620 |
| 13 | Ucare Minnesota | USA | Minneapolis | 500 Stinson Blvd | Hennepin | 55413 | ucare.***** | 1987 | $6,156,191,357 | 550 | N/A | N/A | 1B-36 |
| 14 | Delta Dental Of California | USA | San Francisco | 560 Mission St Ste 1300 | San Francisco | 94105 | deltadental.***** | 1955 | $6,137,780,226 | 2,925 | N/A | N/A | 0303833 |
| 15 | Kaiser Foundation Health Plan Of The Mid-Atlantic States, INC. | USA | Rockville | 2101 E Jefferson St | Montgomery | 20852 | urgentcare-midatlantic.***** | 1995 | $5,884,071,284 | 9,873 | N/A | N/A | D04119749 |
| 16 | Sentara Health Plans | USA | Virginia Beach | 4417 Corporation Ln Ste 150 | Virginia Beach | 23462 | optimahealth.***** | 1984 | $5,248,218,502 | 50 | N/A | N/A | 02559904 |
| 17 | Metroplus Health Plan, INC. | USA | New York City | 50 Water St Fl 7 | New York | 10004 | N/A | 2000 | $5,218,349,628 | 540 | N/A | N/A | 2498776 |
| 18 | Boston Medical Center Health Plan, INC. | USA | Charlestown | 529 Main St Ste 500 | Suffolk | 02129 | wellsense.***** | 1997 | $5,124,054,000 | 300 | N/A | N/A | 043373331 |
| 19 | Kaiser Foundation Health Plan Of The Northwest | USA | Portland | 500 Ne Multnomah St Ste 100 | Multnomah | 97232 | thrive.***** | 1942 | $5,118,910,820 | 1,495 | N/A | N/A | 15647118 |
| 20 | Senior Care Action Network Foundation | USA | Long Beach | 3800 Kilroy Airport Way | Los Angeles | 90806 | scanhealthplan.***** | 1978 | $4,939,028,050 | 857 | N/A | N/A | 1102954 |
| 21 | Blue Care Network Of Michigan | USA | Southfield | 20500 Civic Center Dr | Oakland | 48076 | bcbsm.***** | 1983 | $4,483,151,632 | 1,600 | N/A | N/A | 382359234 |
| 22 | Optumhealth Holdings, LLC | USA | Eden Prairie | 13625 Technology Dr | Hennepin | 55344 | optumcare.***** | 2000 | $4,455,295,806 | 27,906 | N/A | N/A | 4732082 |
| 23 | Humana Wisconsin Health Organization Insurance CORPORATION | USA | Louisville | 500 W Main St | Jefferson | 40202 | humanafoundation.***** | 2002 | $4,300,000,000 | 5,000 | N/A | N/A | N/A |
| 24 | Kaiser Foundation Health Plan Of Colorado | USA | Denver | 10350 E Dakota Ave | Denver | 80247 | kaiserpermanente.***** | 1969 | $4,289,448,634 | 7,000 | N/A | N/A | 19871206417 |
| 25 | Amil Assistencia Medica Internacional S/A | Brazil | Sao Paulo | Av. Dr Chucri Zaidan S/n | São Paulo | 04711-130 | N/A | 1974 | $4,098,986,564 | 40,000 | N/A | N/A | 29309127000179 |
| 26 | Kaiser Foundation Health Plan Of Washington | USA | Seattle | 601 Union St Ste 3100 | King | 98101 | N/A | 2017 | $3,865,934,175 | 9,300 | N/A | N/A | 578011461 |
| 27 | Group Health Federal Way | USA | Seattle | 320 Westlake Ave N Ste 100 | King | 98109 | N/A | 2001 | $3,849,856,000 | 304 | N/A | N/A | N/A |
| 28 | Triple-S Management CORPORATION | USA | San Juan | 1441 Ave Fd Roosevelt | San Juan | 00920 | N/A | 1959 | $3,702,438,000 | 3,753 | N/A | N/A | 95905 |
| 29 | Osde Organizacion De Servicios Directos Empresarios | Argentina | Cidade Autónoma de Buenos Aires | Avenida Leandro Alem 1067 | Ciudad Autónoma de Buenos Aires | C1001AAF | osde.***** | 1970 | $3,606,433,149 | 5,814 | N/A | N/A | 30546741253 |
| 30 | Scan Health Plan | USA | Long Beach | 3800 Kilroy Airport Way Ste 100 | Los Angeles | 90806 | scanhealthplan.***** | 1983 | $3,506,250,154 | 9 | N/A | N/A | 1170730 |
| 31 | Health Care Service CORPORATION, A Mutual Legal Reserve Company | USA | Chicago | 300 E Randolph St | Cook | 60601 | hcsc.***** | 1936 | $3,403,082,378 | 14,264 | N/A | N/A | N/A |
| 32 | Cigna Health CORPORATION | USA | Bloomfield | 900 Cottage Grove Rd | Hartford | 06002 | cigna.***** | 1987 | $3,381,214,226 | 7,600 | N/A | N/A | 2118944 |
| 33 | Healthsource, INC. | USA | Manchester | 1750 Elm St Ste 800 | Hillsborough | 03104 | N/A | 1997 | $3,381,214,226 | 4,100 | N/A | N/A | 224021 |
| 34 | Texas Children's Health Plan, INC. | USA | Bellaire | 6330 West Loop S Ste 800 | Denton | 77401 | texaschildrenshealthplan.***** | 1995 | $3,088,695,645 | 900 | N/A | N/A | 0138018701 |
| 35 | Mvp Health Plan, INC. | USA | Schenectady | 625 State St | Schenectady | 12305 | mvphealthcare.***** | 1982 | $3,039,847,348 | 1,500 | N/A | N/A | 784755 |
| 36 | Canadian Association Of Blue Cross Plans | Canada | Edmonton | 10009 108 St Nw | Alberta | T5J 3C5 | ab.***** | 1955 | $3,013,124,880 | 1,410 | N/A | N/A | 15483646 |
| 37 | Tufts Associated Health Maintenance Organization, INC. | USA | Watertown | 705 Mount Auburn St | Middlesex | 02472 | tuftshealthplan.***** | 1979 | $2,738,046,962 | 2,700 | N/A | N/A | 042674079 |
| 38 | Alignment Healthcare, INC. | USA | Orange | 1100 W Town and Country Rd Ste 1600 | Orange | 92868 | alignmenthealthcare.***** | 2013 | $2,703,561,000 | 1,679 | N/A | N/A | 5515908 |
| 39 | Evolent Health, INC. | USA | Arlington | 1812 N Moore St Ste 1705 | Arlington | 22209 | evolenthealth.***** | 2011 | $2,554,741,000 | 4,500 | N/A | N/A | 5657253 |
| 40 | Providence Health Plan | USA | Portland | 10126 Sw Park Way | Multnomah | 97225 | N/A | 1995 | $2,454,838,003 | 200 | N/A | N/A | 17430216 |
| 41 | Nib Holdings LTD | Australia | Newcastle | 22 Honeysuckle Dr | New South Wales | 2300 | nib.***** | 2007 | $2,241,773,594 | 1,184 | N/A | N/A | 125633856 |
| 42 | Harvard Pilgrim Health Care, INC. | USA | Canton | 1 Wellness Way | Norfolk | 02021 | harvardpilgrim.***** | 1969 | $2,234,674,724 | 1,300 | N/A | N/A | N/A |
| 43 | Swiss Medical S.A. | Argentina | Cidade Autónoma de Buenos Aires | San Martín 923 | Ciudad Autónoma de Buenos Aires | C1004AAG | N/A | 1992 | $2,202,810,397 | 6,797 | N/A | N/A | 30654855168 |
| 44 | Ascension Health Alliance | USA | Saint Louis | 4600 Edmundson Rd | St. Louis City | 63134 | healthcare.***** | 2011 | $2,174,612,908 | 239 | N/A | N/A | N01170163 |
| 45 | Notre Dame Intermedica Saude S/A | Brazil | Sao Paulo | Av. Paulista 867 | São Paulo | 01311-100 | gndi.***** | 1973 | $2,171,418,218 | 3,528 | N/A | N/A | 44649812000138 |
| 46 | Hapvida Assistencia Medica S/A | Brazil | Fortaleza | Av. Heraclito Graca 406 | Ceará | 60140-061 | hapvida.***** | 1991 | $2,122,348,810 | 260 | N/A | N/A | 63554067000198 |
| 47 | Capital District Physicians' Health Plan, INC. | USA | Albany | 500 Patroon Creek Blvd | Albany | 12206 | cdphp.***** | 1984 | $2,044,552,285 | 700 | N/A | N/A | 909378 |
| 48 | Lifetime Healthcare, INC. | USA | Rochester | 165 Court St | Monroe | 14647 | inquiryjournal.***** | 1997 | $1,957,610,629 | 7,000 | N/A | N/A | 2097856 |
| 49 | Amerigroup CORPORATION | USA | Virginia Beach | 4425 Corporation Ln Ste 160 | Virginia Beach | 23462 | amerigroup.***** | 2012 | $1,949,288,827 | 5,100 | N/A | N/A | 07449895 |
| 50 | Tennessee Amerigroup INC | USA | Nashville | 22 Century Blvd Ste 310 | Davidson | 37214 | providers.***** | 2006 | $1,907,348,931 | 97 | N/A | N/A | 000519059 |