Plymouth Rock Assurance Corporation is a part of the Plymouth Rock Group of Companies, which writes or manages more than $1 billion in personal and commercial auto and homeowner coverage and related services across the Northeast United States. The company was founded in 1982 with a goal of providing exceptional service. Plymouth Rock Assurance Corporation is the flagship of the Plymouth Rock Group of Companies and has more than 125,000 individual policyholders. Its personal auto insurance premiums exceed $260 million. The company is rated excellent by A.M. Best, an insurance industry independent rating service. Plymouth Rock was the first auto insurance company to offer mobile claim processing, with its Crashbusters vans that bring appraisals and settlement checks directly to customers. It was also the first to offer door-to-door service, eliminating the burden of arranging for repairs after an accident.