Donegal Group Inc., an insurance holding company, offers property and casualty insurance to businesses and individuals in the Mid-Atlantic, Midwestern, New England, and southern states. It operates in two segments, Personal Lines of Insurance and Commercial Lines of Insurance. The Personal Lines of Insurance segment 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. This segment also provides homeowners policies, which offer coverage for damage to residences and their contents from fire, lightning, windstorm, and theft; and liability of the insured arising from injury to other persons. The Commercial Lines of Insurance segment 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, which offer protection to businesses against various perils, primarily combining liability and physical damage coverages; and workers' compensation policies that offer benefits to employees for injuries sustained during employment. The company markets its insurance products through a network of approximately 2,500 independent insurance agencies. Donegal Group Inc. was founded in 1986 and is headquartered in Marietta, Pennsylvania.