U.S Insurance Companies List

Business insurance companies create some of the most comprehensive websites on the internet in terms of information for customers and potential customers. Bigger is not always better, but by reviewing some of the largest insurers' websites you can find information about programs and specialties offered by each company and get a sense of what business insurance is available for your business.

Allison Insurance

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

American United Life 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.

Direct General Auto Insurance

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, LTD

GAINSCO

GEICO

General Re

Genworth Financial

GMAC Insurance

Great West Casualty Company

Gracy Title Company

Guardian Life Insurance Company of America

GuideOne Insurance

Hanover Insurance

The Hartford

HCC Insurance Holdings

Infinity Property & Casualty Corporation

Jackson National Life

John Hancock Insurance

K&K Insurance

Kentucky Farm Bureau

Knights of Columbus

Liberty Mutual

Lincoln National Corporation

Markel Corporation

MassMutual Financial Group

Merchants Insurance Group

Mercury Insurance Group

MetLife

Mutual of Omaha

National Life

Nationwide Mutual Insurance Company

New Jersey Manufacturers Insurance Company

New York Life Insurance Company

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

Principal Financial Group

Primerica Financial

Progressive

Protective Life

Prudential Financial

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

Trupanion

Unitrin Direct Auto Insurance

Unum

USAA

West Coast Life

Western Mutual Insurance Group

Western & Southern Financial Group

Westfield Insurance

White Mountains Insurance Group