Donegal Group Inc., an insurance holding company, provides personal and commercial lines of property and casualty insurance to businesses and individuals in the Mid-Atlantic, Midwestern, New England, and southern states. It operates through four segments: Investment Function, Personal Lines of Insurance, and Commercial Lines of Insurance. The company offers private passenger automobile policies that provide protection against liability for bodily injury and property damage arising from automobile accidents, as well as protection against loss from damage to automobiles. It also offers homeowners policies, which provide coverage for damage to residences and their contents from a range of perils, including fire, lightning, windstorm, and theft; and liability of the insured arising from injury to other persons or their property. In addition, the company offers commercial automobile policies that provide protection against liability for bodily injury and property damage arising from automobile accidents and protection against loss from damage to automobiles owned by the insured; commercial multi-peril policies that provide protection to businesses against various perils, primarily combining liability and physical damage coverages; and workers' compensation policies, which provide benefits to employees for injuries sustained during employment. The company markets its insurance products through a network of approximately 2,400 independent insurance agencies. Donegal Group Inc. was founded in 1986 and is headquartered in Marietta, Pennsylvania.