Here's a list of the 50 largest life insurance companies in the U.S., with the location of headquarters and websites. 

   More: The best life insurance companies

Company Headquarters Website
Aflac Inc. Columbus, GA
Allianz Group Minneapolis, MN
Allstate Corp. Northbrook, IL
American International Group New York, NY
American National Insurance Galveston, TX
Ameritas Lincoln, NE
AXA New York, NY
Brighthouse Financial Inc. Charlotte, NC
CNO Financial Group Inc. Carmel, IN
Genworth Financial Inc. Richmond, VA
Global Atlantic Financial Group Brighton, MA
Great-West Greenwood Village, CO
Guardian Life Insurance Co. of America New York, NY
Hartford Financial Services Hartford, CT
Jackson Lansing, MI
John Hancock Boston, MA
Legal & General Group Frederick, MD
Liberty Life Assurance Co. of Boston Boston, MA
Lincoln Benefit Life Co. Lincoln, NE
Lincoln Financial Radnor, PA 19087
Lincoln Heritage Life Insurance Co. Phoenix, AZ
Massachusetts Mutual Life Insurance Co. Springfield, MA
MetLife Inc. New York, NY
Mutual of Omaha Insurance Co. Omaha, NE
Nassau Reinsurance Group Holdings Hartford, CT
National Life Group Montpelier, VT
Nationwide Mutual Group Columbus, OH
New York Life New York, NY 10010
Northwestern Mutual Life Insurance Co. Milwaukee, WI
Ohio National Cincinnati, OH
OneAmerica Financial Partners Indianapolis, IN
Pacific Life Newport Beach, CA
Penn Mutual Life Insurance Co. Horsham, PA
Primerica Inc. Duluth, GA
Principal Financial Group Inc. Des Moines, IA
Protective Birmingham, AL
Prudential Financial Inc. Newark, NJ
RiverSource Minneapolis, MN
Sammons Enterprises Inc. West Des Moines, IA
Securian Financial Group Inc. Saint Paul, MN
Southern Farm Bureau Life Insurance Jackson, MS
State Farm Bloomington, IL
TIAA New York, NY
Torchmark Corp. McKinney, TX
Transamerica Cedar Rapids, IA
Unum Group Chattanooga, TN
USAA San Antonio, TX
Voya Financial Inc. New York, NY
Western & Southern Financial Cincinnati, OH
Zurich Insurance Group Mercer Island, WA
Source: S&P Global Market Intelligence