Plymouth Rock Company is an insurance company based in Boston, Massachusetts. Founded in 1983, Plymouth Rock Company's primary business is the ownership and management of property and casualty insurance companies, specializing in coverage for personal automobiles and homes. The Plymouth Rock Company, through a number of operating subsidiaries, insures automobiles and homes in Massachusetts, New Hampshire, and Connecticut and provides various insurance and investment management services for insurance entities in those states and other states in the northeastern United States. The Plymouth Rock Company and its wholly-owned subsidiaries are generally referred to as "The Plymouth Rock Company and Subsidiaries".