Amica Mutual Insurance was created in 1907.
Manufacturers Mutual Insurance was created in 1914.
CAMICO Mutual Insurance was created in 1986.
Upland Mutual Insurance Company was created in 1892.
Atlantic Mutual Insurance Company was created in 1838.
Federated Mutual Insurance Company was created in 1904.
Western Mutual Insurance Group was created in 1942.
Mutual Benefit Life Insurance Company was created in 1845.
Massachusetts Mutual Life Insurance Company was created in 1851.
National Mutual Insurance Federation of Agricultural Cooperatives was created in 1951.
Townsend Farmers' Mutual Fire Insurance Company was created in 1879.
Golden State Mutual Life Insurance Company was created on 1925-07-23.