I put this list here because it was marked for deletion. I need this list to read wikipedia.

This is a list of insurance companies based in the United States. These are companies with strong national or regional presence.

• Affirmative Insurance Company
• American Access Insurance Company
• American National Insurance Company
• American Automobile Association
• AIG
• Allstate
• American Family Insurance
• American Farmers and Ranchers Mutual (formerly Oklahoma Farmers Union Mututal)
• Amica
• Arbella
• Assurant Employee Benefits
• Auto-Owners Insurance
• California Casualty Insurance
• CapitalOne
• Colonial Life
• Commerce Insurance Group
• COUNTRY Financial
• Cuna Mutual Group
• Electric Insurance Company
• Encompass
• Esurance
• Expatriate Insurance
• Farm Bureau Insurance
• Farmers Insurance
• Frankenmuth Mutual Insurance Company
• GAINSCO Auto Insurance
• GMAC Insurance
• GEICO
• GuideOne
• Hanover Insurance
• The Hartford
• Hastings Mutual Insurance Company
• Haulers Insurance Company
• The Horace Mann Companies
• Infinity Auto Insurance Company
• Liberty Mutual
• Nationwide Insurance
• National Interstate
• Merchants Insurance Group
• Metropolitan Life Insurance Company
• Membercare Insurance
• Monumental Life Insurance Company
• Mutual of America Life Insurance Company
• Mutual of Enumclaw
• Mutual of Omaha
• OneBeacon Insurance Group
• Pekin Insurance
• Pemco
• Personal Care & Assisted Living Insurance Center
• Principal Financial Group
• Progressive
• Prudential Financial
• Regence Group
• Safeco
• Safeway Insurance Group
• Selective
• Standard Insurance Company
• State Auto Insurance Companies
• Shelter Insurance Companies
• Solid Insurance Group
• State Farm Mutual Automobile Insurance Company
• The Travelers Companies, Inc.
• Trustgard Insurance
• Unitrin Direct Auto Insurance
• USAA
• Wawanesa (California)
• Westfield Insurance

• Allianz
• American Family Insurance
• American Fidelity Assurance
• American Home Life
• American United Life
• Amica
• Aurora National Life Assurance
• Aviva
• Country Financial
• Farmers Insurance
• Fidelity
• Jackson National Life
• Metlife
• Mutual of Omaha
• Prudential Financial
• Standard Insurance Company
• State Farm Insurance
• Transamerica
• Thrivent Financial for Lutherans
• UNIFI Companies

• American Family Insurance
• Country Financial
• Dentists Benefits Insurance
• Farmers Insurance
• Grocers Insurance
• Hanover Insurance
• State Farm Insurance
• Thrivent Financial for Lutherans

• Advantage Dental Plan
• Aetna
• Aflac
• Allstate - only group
• American Medical Security
• Lifewise
• Mutual of Omaha
• ODS Companies
• Premera
• Regence Group
• Standard Insurance Company
• UNIFI Companies - only group
• Willamette Dental Insurance

• Aetna - only group
• Aflac
• Allstate
• American Family Insurance
• American Fidelity Assurance
• American United Life
• Assurant Employee Benefits
• Berkshire Life
• Colonial Life
• Country Financial
• MetLife
• Mutual of America
• Mutual of Omaha
• Principal Financial Group
• Regence Group
• Standard Insurance Company
• State Farm Insurance
• Thrivent Financial for Lutherans
• UNIFI Companies
• Unum

• Scottsdale Insurance

• Clements International

• American Family Insurance
• Amica
• Allstate Insurance Company
• Dentists Benefits Insurance

• Acordia National
• American Association of Retired Persons
• American National Insurance Company
• Aetna
• Alliant Health Plans
• Altius Health Plans
• American Family Insurance
• American Medical Security
• American Republic
• Anthem
• Assurant - Oregon
• Asuris Northwest Health Washington
• Beech Street
• Blue Cross and Blue Shield Association
• Celtic Insurance Co.
• Cigna
• Clear Choice Health Plans
• College Health IPA
• Community Health Plan of Washington
• Community First
• Coventry Health care
• Continental General
• First Choice Health - Washington
• Fox insurance company
• Fortis
• Golden Rule Insurance Company
• Group Health Inc.
• Group Health Cooperative - Washington
• Harvard Community Health Plan
• HealthMarkets
• Health Net
• Health Net of Arizona
• Health Net of Oregon - Oregon
• HealthPartners
• Health Plan of Nevada
• Humana Inc.
• Insurance Services of America
• Intermountain Health Care
• Kaiser Permanente - Oregon, Washington
• Lifewise
• LifeWise Health Plan of Arizona
• LifeWise Health Plan of Oregon - Oregon
• LifeWise Health Plan of Washington - Washington
• Medica of Minnesota
• Medical Mutual
• Membercare Insurance
• ODS Companies - Oregon
• Oxford Health Plans, Inc.
• PacificSource
• Premera - Washington
• Principal Financial Group
• Providence Health Plan
• Regence Group - Oregon, Washington
• Shelter Insurance Companies
• Thrivent Financial for Lutherans
• Unicare
• UnitedHealthCare (UnitedHealth recently purchased Pacificare & United Medical Resources) - Oregon
• Unitrin
• Vista Healthplan of South Florida
• Wellpoint
• World Insurance

• AAA d.b.a. Western United
• AAA Life Insurance Company
• Aetna
• Aflac
• AIG American General
• Alfa Life Insurance
• Allianz
• Allstate Insurance Company
• American Family Insurance
• American Farmers and Ranchers
• American Fidelity Assurance
• American General Life Companies
• American International Group
• American Home Life - whole, lifetime term, children's term, funeral
• American National Insurance Company
• American Republic
• American United Life
• Ameritas Life Insurance
• Amica
• Aon Corporation, formerly known as Combined Insurance Company of America
• Assurant Employee Benefits
• Aurora National Life Assurance
• Auto-Owners Insurance
• Aviva
• AXA
• Bankers Life and Casualty Company
• Banner Life
• The Chesapeake Life Insurance Company
• Colonial Life
• Conseco
• COUNTRY Financial
• Family Heritage
• Farm Bureau Insurance
• Farmers Insurance
• Fidelity Life
• First Investors Life Insurance Company
• First United American Life Insurance Company
• Foresters
• Horace Mann Life Insurance Company
• HSBC Insurance
• ING (Reliastar Life Insurance)
• Garden State Life Insurance Company
• Genworth Financial
• Globe Life And Accident Insurance Company
• Guardian Life Insurance Company of America
• Jackson National Life
• John Hancock Insurance, now a unit of Manulife Financial
• The Hartford
• Kansas City Life Insurance Company, Inc.
• Lafayette Life Insurance Company
• Liberty National Life Insurance Company
• Liberty Mutual
• Lifewise
• Lincoln Financial Group
• Mass Mutual Financial Group
• Massachusetts Mutual Life Insurance
• MEGA Life and Health Insurance
• Metropolitan Life Insurance Company
• Minnesota Life Insurance Company
• Modern Woodmen of America
• Monumental Life Insurance Company
• Mutual of Omaha
• Nationwide Insurance
• National Western Life
• New York Life
• Northwestern Mutual Life Insurance Company
• Old Mutual
• Pacific Life Insurance
• Primerica Life Insurance Company
• Principal Financial Group
• Protective Life Corporation
• Prudential Financial
• Regence Group
• RBC
• Sagicor USA, Inc., formerly known as American Founders Life
• Shenandoah
• The Standard (Also known as Standard Insurance Company)
• Shelter Life Insurance Company
• State Farm Insurance
• Thrivent Financial for Lutherans, product of merger between Lutheran Brotherhood & Aid Association for Lutherans
• Torchmark
• Transamerica
• Travelers Group, now somewhat part of Citigroup, other parts belong to The Travelers Companies, Inc.
• UNIFI Companies
• Union Central
• United American Insurance
• Unitrin
• Unum Group
• USAA
• West Coast^{[disambiguation needed]}
• Western & Southern
• Western Reserve Life

• Aflac
• Allianz
• Allstate
• American Republic
• American United Life
• Country Financial
• Mutual of Omaha
• Prudential Financial
• State Farm Insurance
• Thrivent Financial for Lutherans

• Aetna
• Altius Health Plans
• American Family Insurance
• American Republic
• ATRIO Health Plans
• Clear Choice Health Plans
• Country Financial
• FamilyCare
• HCSC Insurance Services Company
• Lifewise
• Mutual of Omaha
• ODS Companies
• Premera
• Regence Group
• Thrivent Financial for Lutherans
• United American Insurance

• Aflac -Cancer, Accident Indemnity, Hospital Indemnity, Dental, Medicare Supplement, Vision, Intensive Care, Short-Term Disability, Group Short-Term Disability, Long Term Care, Life
• Allstate - Cancer and Specified Disease, Critical Illness, Accident, Hospital Indemnity, Heart & Stroke
• American Fidelity Assurance - accident, cancer, hospital
• Colonial Life - Typical plans include disability, accident, life, cancer and hospital confinement insurance
• Family Heritage - cancer, intensive care, heart attack and stroke, accident, hospital confinement
• Mutual of Omaha - accidental death, cancer, critical illness, adult life, juvenile life
• United American Insurance - cancer, critical illness

• Allstate
• MEGA Life and Health Insurance
• State Farm Insurance
• United American Insurance

The following have as their primary business pet health insurance:

• Aetna
• ASPCA Pet Health Insurance
• Blue Paws Pet Insurance
• Embrace Pet Insurance
• Hartville Pet Insurance
• Global Pet Insurance
• PetCare
• Pets Best Pet Insurance
• Pets Health Plan
• Petplan USA Pet Insurance
• PetFirst Healthcare Pet Insurance
• PurinaCare Pet Health Insurance
• Trupanion Pet Health Insurance
• Veterinary Pet Insurance

• ACE USA
• Acuity
• Advent Risk Consultants
• Allstate
• Alfa Mutual Insurance
• American Bankers Insurance Company of Florida
• American Family Insurance
• American National Property and Casualty
• American International Group
• Assurant Specialty Property
• Argonaut Group, Inc.
• Auto-Owners Insurance
• Balboa Insurance
• BISYS Commercial Insurance Services, Inc.
• Bliss & Glennon, Inc.
• California Casualty Auto and Home Insurance
• Chubb Corporation
• Church Mutual
• Chicago Title Insurance Company
• Cincinnati Financial Corporation
• Commerce Insurance Group
• CNA Financial Corporation
• COUNTRY Financial
• Farm Bureau Insurance
• Farmers Insurance
• Fireman's Fund Insurance Company
• First American Title Insurance
• FM Global
• Frankenmuth Mutual Insurance Company
• GHS Property and Casualty Insurance
• Great American Insurance Company
• Hanover Insurance
• The Hartford
• Hastings Mutual Insurance Company
• Harleysville Insurance Company
• Horace Mann Companies
• Infinity Property & Casualty
• Liberty Mutual
• Manulife Financial
• Markel Corporation
• Mercury Insurance Group
• Merchants Insurance Group
• Michigan Millers Mutual Insurance Company
• Nationwide Insurance
• NLC Insurance Companies
• OneBeacon Insurance Group
• Penn National Insurance
• Philadelphia Insurance
• Prudential Financial
• The Travelers Companies, Inc.
• Safeway Insurance Group
• Secura
• Sentry Insurance
• Shelter Insurance Companies
• State Auto Insurance Companies
• State Farm Insurance
• Southern Farm Bureau
• Sublimity Insurance
• Union Standard Insurance
• United Automobile Insurance Company
• Unitrin
• Universal North America
• Universal Property & Casualty Insurance
• USAA
• Wausau Insurance Companies
• West Bend Mutual Insurance Company
• Westfield Insurance
• Zenith Insurance Company
• Zurich Insurance Services
• Island Insurance
• The Phoenix Group
• RLI Corp
• Badger mutual Insurance company

• American Family Insurance
• ASSIST-CARD

• ACE
• AIG
• Amerisafe
• Amerisure
• Arch Insurance
• Chubb Insurance Group
• Erie Insurance
• Hanover Insurance
• Hartford Financial
• Liberty Mutual
• Merchants Insurance Group
• Missouri Employers Mutual
• Penn National Insurance
• PMA Insurance
• The Travelers Companies, Inc.
• Sentry Insurance
• State Accident Insurance Fund (Oregon)
• State Compensation Insurance Fund (California)
• State Farm Insurance
• Zenith Insurance
• Zurich Insurance