List of U.S. insurance companies

21st Century Insurance
Aetna
Aflac
Alleghany Corporation
Allied Insurance
Allstate
American Automobile Association
American Family Insurance
American Income Life Insurance Company
American International Group (AIG)
American National Insurance Company
Ameritas Life Insurance Company
Amica Mutual Insurance
Assurant
Auto-Owners Insurance
AXA Equitable Life Insurance Company
Bankers Life and Casualty Company
Berkshire Hathaway
California Casualty
Cincinnati Insurance Company
CNA Financial
Colonial Life & Accident Insurance Company
Commerce Insurance Group
Conseco
Country Financial
Chartis
Chubb Corp.
Elephant.com
Encompass Insurance Company
Erie Insurance Group
Esurance
Evergreen USA RRG
Farmers Insurance Group
Federated Mutual Insurance Company