The Top 25 Health Insurance Companies

The largest U.S. health insurers collected some $650 billion in premiums in 2009, the latest year for which data were available in early 2011. The top 25, ranked below by market share, accounted for nearly two-thirds of the total. Data were provided by the National Association of Insurance Commissioners, whose members direct the state agencies that license insurance companies.

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RankInsurer
#1
Unitedhealth Group
#2
Wellpoint Inc. Group
#3
Kaiser Foundation Group
#4
Aetna Group
#5
Humana Group
#6
HCSC Group
#7
Coventry Corp. Group
#8
Highmark Group
#9
Independence Blue Cross Group
#10
Blue Shield of CA Group
#11
Cigna Health Group
#12
BCBS of MI Group
#13
Health Net of California, Inc.
#14
BCBS of NJ Group
#15
BCBS of FL Group
#16
Regence Group
#17
BCBS of MA Group
#18
Carefirst Inc. Group
#19
Wellcare Group
#20
HIP Ins. Group
#21
Metropolitan Group
#22
Unumprovident Corp. Group
#23
Universal Amer Fin Corp. Group
#24
Lifetime Healthcare Group
#25
BCBS of NC Group

NAIC Note: Additional data about these and other providers are available for purchase.

Health Insurance Companies by State

Select a state to see the 10 largest health insurance providers.

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