Best |
| Best Insurance |
| NAIC National Association of Insurance Commissioners |
| Top Health Insurance Companies - Best health insurers with the biggest market share. |
| The largest 125 U.S. health insurers collected some $744 billion in 2013 premiums. |
| Insurer
#1 UnitedHealth Group #2 Kaiser Foundation Group #3 Wellpoint Inc. Group #4 Aetna Group #5 Humana Group #6 HCSC Group #7 Cigna Health Group #8 Highmark Group #9 Blue Shield of California Group #10 Independence Blue Cross Group #11 Centene Corp Group #12 HIP Insurance Group #13 BCBS of New Jersey Group #14 BCBS of Michigan Group #15 Guidewell Mutual Holdings Group #16 California Physicians' Service #17 Wellcare Group #18 Carefirst Inc. Group #19 Health Net of California, Inc. #20 Molina Healthcare Inc. Group #21 UHC of California #22 Lifetime Healthcare Group #23 BCBS of Massachusetts Group #24 Metropolitan Group #25 Cambia Health Solutions Inc. |