U.S. Insurance Companies
21st Century InsuranceAcuity
ACE Limited
Aetna
Affirmative Insurance
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
Applied Underwriters
Arbella Insurance Group
Assurant
Assurity Life Insurance Company
Auto-Owners Insurance
AXA Equitable Life Insurance Company
Bankers Life and Casualty Company
Berkshire Hathaway
Cincinnati Insurance Company
CNA Financial
Colonial Life & Accident Insurance Company
Combined Insurance
Commerce Insurance Group
Conseco
Country Financial
Chartis
Chubb Corp.
Elephant.com
Encompass Insurance Company
Erie Insurance Group
Esurance
Evergreen USA RRG
FM Global
Farmers Insurance Group
Federated Mutual Insurance Company
First Insurance Company of Hawaii
GAINSCO
GEICO
General Re
Genworth Financial
Gerber Life Insurance Company
GMAC Insurance
Gracy Title Company
Grange Mutual Casualty Company
Guardian Life Insurance Company of America
Hanover Insurance
The Hartford
HCC Insurance Holdings
Horace Mann
Hiscox Small Business Insurance
Infinity Property & Casualty Corporation
IntelliQuote Insurance Services
Jackson National Life
John Hancock Insurance
K&K Insurance
Kansas City Life Insurance Company
Kentucky Farm Bureau
Knights of Columbus
Liberty Mutual
Lincoln National Corporation
Manhattan Life Insurance Company
Markel Corporation
MassMutual
Merchants Insurance Group
Mercury Insurance Group
MetLife
Modern Woodmen of America
Mutual of Omaha
National Life
Nationwide Mutual Insurance Company
New Jersey Manufacturers Insurance Company
New York Life Insurance Company
The Norfolk & Dedham Group
Northwestern Mutual
Omega
OneBeacon
Oxford Health Plans
Pacific Life
Pacificare
PEMCO
Penn Mutual
Philadelphia Contributionship for the Insurance of Houses from Loss by Fire
Philadelphia Insurance Companies
Physicians Mutual
Principal Financial Group
Primerica
Progressive
Protective Life
Prudential Financial
QBE
The Regence Group
Reliance Insurance Company
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
Sun Life Financial
Symetra
TIAA-CREF
The Travelers Companies
Transamerica Corporation
Trupanion
Unum
USAA
West Bend[disambiguation needed]
West Coast Life
Western Mutual Insurance Group
Western & Southern Financial Group
Westfield Insurance
White Mountains Insurance Group
Life annuity[edit]
Main article: Life annuity
Allstate
American Family Insurance
American Fidelity Assurance
Amica Mutual Insurance
AXA Equitable Life Insurance Company
Bankers Life and Casualty
Conseco
Farmers Insurance Group
Genworth Financial
ING Group
Jackson National Life
John Hancock Insurance
Lincoln National Corporation
MetLife
Mutual of Omaha
National Life Group
Nationwide Mutual Insurance Company
New York Life 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)[edit]
Main articles: Health insurance and Health insurance in the United States
AARP
Aetna
American Family Insurance
American National Insurance
Amerigroup
Anthem Blue Cross and Blue Shield
Assurant
Blue Cross and Blue Shield Association
Cambia Health Solutions
Centene Corporation
Cigna
Coventry Health Care
EmblemHealth
Fortis
Golden Rule Insurance Company
Group Health Cooperative
GHI
Health Net
HealthMarkets
HealthPartners
HealthSpring
Highmark
Humana
Independence Blue Cross
Kaiser Permanente
Kaleida Health
LifeWise Health Plan of Oregon
Medica
Medical Mutual of Ohio
Molina Healthcare
Premera Blue Cross
Principal Financial Group
Shelter Insurance
State Farm
Thrivent Financial for Lutherans
UnitedHealth Group
Unitrin
Universal American Corporation
WellCare Health Plans
WellPoint
Medicare[edit]
Main article: Medicare (United States)
Aetna
American Family Insurance
Bankers Life and Casualty
Conseco
Kaiser Permanente
Mutual of Omaha
Premera Blue Cross
Thrivent Financial for Lutherans
Tricare
Supplemental insurance[edit]
Aflac
Allstate
Assurant
Colonial Life & Accident Insurance Company
Combined Insurance
Conseco
Liberty National Life Insurance Company
Manhattan Life Insurance Company
MEGA Life and Health Insurance
Mutual of Omaha
State Farm Insurance
Workers' compensation[edit]
Main article: Workers' compensation
Accident Fund
American International Group (AIG)
Cincinnati Financial Corporation
Erie Insurance Group
GUARD Insurance Group
Hanover Insurance
The Hartford
Liberty Mutual
Merchants Insurance Group
Missouri Employers Mutual
Nationwide Mutual Insurance Company
The Norfolk & Dedham Group
Penn National Insurance
Sentry Insurance
State Accident Insurance Fund
State Compensation Insurance Fund
State Farm Insurance
WellPoint
Zenith Insurance Company
