Manufacturers Mutual Insurance was created in 1914.
Amica Mutual Insurance was created in 1907.
CAMICO Mutual Insurance was created in 1986.
Oregon Mutual Insurance was created in 1894.
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.
Massachusetts Mutual Life Insurance Company was created in 1851.
Mutual Benefit Life Insurance Company was created in 1845.
New Jersey Manufacturers Insurance Company was created in 1913.
Townsend Farmers' Mutual Fire Insurance Company was created in 1879.
National Mutual Insurance Federation of Agricultural Cooperatives was created in 1951.