List of United States insurance companies

21st Century Insurance
AccuQuote
Alleghany Corporation
Allied Insurance
Allstate
American Automobile Association
American Family Insurance
American Income Life Insurance Company
American International Group (AIG)
American National Insurance Company
Amica Mutual Insurance
Aon Corporation
Assurant
Auto-Owners Insurance
AXA Equitable Life Insurance Company
Bankers Life & Casualty Company
Berkshire Hathaway
California Casualty
Capital Insurance Group
CNA Financial
Colonial Life & Accident Insurance Company
Commerce Insurance Group
Conseco
Country Financial
Chartis
Chubb Corp.
Encompass
Erie Insurance Group
Esurance
Everest Re Group
Evergreen USA RRG
Farmers Insurance Group
Federated Mutual Insurance Company
GAINSCO
GEICO
General Re
Genworth Financial
GMAC Insurance
Hanover Insurance
The Hartford
HCC Insurance Holdings
Hereford Insurance Company
Infinity Property & Casualty Corporation
International Fidelity Insurance Company
Jackson National Life
John Hancock Insurance
Kemper Insurance
lgap Insurance
Knights of Columbus Insurance
Liberty Mutual
Markel Corporation
Merchants Insurance Group
Mercury Insurance Group
MetLife
Mutual of America
Mutual of Omaha
Nationwide Mutual Insurance Company
New Jersey Manufacturers Insurance Company
New York Life Insurance Company
OneBeacon
Oxford Health Plans
Pacific Life
PEMCO
Penn Mutual
Primerica
Principal Financial Group
Progressive
Protective Life
Prudential Financial
The Regence Group
Reliance Insurance Company
Response Insurance
RLI Corp.
Safe Auto Insurance Company
Safeco
Safeway Insurance Group
Sentry Insurance
Selective Insurance
Shelter Insurance
Southern Aid and Insurance Company
Standard Insurance Company
State Farm Insurance
Swiss Re
Symetra
Tri-State Consumer Insurance Company
TIAA-CREF
The Travelers Companies
Uniguard – Headquarter in greater Seattle area
United Auto Insurance Company
Unitrin Direct Auto Insurance
Unum
Vantislife Insurance Company
USAA
Wawanesa Insurance USA (CA and OR)
Wells Fargo
West Coast Life
Western Mutual Insurance Group
Western & Southern Financial Group
Westfield Insurance
Western Reserve Life Insurance Company
White Mountains Insurance Group
Annuity
Main article: Life annuity
Allstate
American Family Insurance
American Fidelity Assurance
Amica Mutual Insurance
Aviva
AXA Equitable Life Insurance Company
Bankers Life and Casualty
Conseco
Farmers Insurance Group
Fidelity
Genworth Financial
ING Group
Jackson National Life
John Hancock Insurance
MetLife
Mutual of Omaha
Nationwide Mutual Insurance Company
Old Mutual
Pacific Life
Protective Life
Prudential Financial
Standard Insurance Company
State Farm Insurance
Thrivent Financial for Lutherans
TIAA-CREF
Transamerica Corporation
UNIFI Companies
United of Omaha
Western & Southern Financial Group
Health insurance (major medical insurance)
Main articles: Health insurance and Health insurance in the United States
AARP
Aetna
American Family Insurance
American National Insurance Company
Amerigroup
Anthem Blue Cross and Blue Shield
Assurant
Blue Cross and Blue Shield Association
Celtic Insurance Company, subsidiary of Centene Corporation
Centene Corporation
Cigna
Coventry Health Care
EmblemHealth
Fortis
Golden Rule Insurance Company
Group Health Cooperative
GHI
Health Net
HealthMarkets
HealthSpring
Highmark
Humana
Independence Blue Cross
Kaiser Permanente
LifeWise Health Plan of Oregon
Medical Mutual of Ohio
Molina Healthcare
Premera Blue Cross
Principal Financial Group
The Regence Group
Shelter Insurance
Thrivent Financial for Lutherans
UnitedHealth Group
Unitrin
Universal American Corporation
WellCare Health Plans
WellPoint
Medicare
Main article: Medicare (United States)
Aetna
American Family Insurance
Bankers Life and Casualty
Conseco
Mutual of Omaha
Premera Blue Cross
Thrivent Financial for Lutherans
Supplemental insurance
Aflac
Allstate
American Fidelity Assurance
Colonial Life & Accident Insurance Company
Conseco
Liberty National Life Insurance Company
Mutual of Omaha
Supplemental health insurance
Allstate
MEGA Life and Health Insurance
State Farm Insurance
Travel insurance
Main article: Travel insurance
Access America, a brand of Mondial Assistance Group
InsureMyTrip
International Medical Group
Seven Corners, Inc.
Travel Guard
Usa-Assist Worldwide Protection
Workers’ compensation
Main article: Workers’ compensation
American International Group (AIG)
Erie Insurance Group
Hanover Insurance
The Hartford
Liberty Mutual
Merchants Insurance Group
Missouri Employers Mutual
Nationwide Mutual Insurance Company
Penn National Insurance
Sentry Insurance
State Accident Insurance Fund
State Farm Insurance
WellPoint
Zenith Insurance Company