Donegal Group, Inc. Class A Common Stock, also called Donegal Group, is an insurance holding company, which engages in the provision of insurance and reinsurance services. Read More It operates through the following segments: Investment Function, Personal Lines of Insurance, Commercial Lines of Insurance and Investment in Donegal Financial Services Corporation (DFSC). The Investment Function segment covers investment activities. The Personal Lines of Insurance segment offers private vehicle and homeowners insurance. The Commercial Lines of Insurance segment provides assurance services on commercial vehicles, multi-peril, and workers' compensation. The investment in DFSC segment comprises of investments made to DFSC. The company was founded on August 26, 1986 and is headquartered in Marietta, PA.