Vermont Mutual Insurance Group sells commercial and personal property/casualty insurance -- including automobile, businessowners, homeowners, inland marine, and umbrella coverage -- to clients in the northeastern US. The group consists of three companies: Granite Mutual, Northern Security, and Vermont Mutual Insurance. The companies operate in Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island, and Vermont. A network of independent agents markets the group's products. One of the oldest American mutual insurance firms, Vermont Mutual Insurance Group traces its roots back to 1828 when it was established as a fire insurance company.