Donegal Group Inc. (DGI) is an insurance holding company whose insurance subsidiaries offer personal and commercial lines of property and casualty insurance. The Company offered its insurance business to various businesses and individuals in 21 Mid-Atlantic, Midwestern, New England and Southern states, as of December 31, 2016. It has three segments: investment function, personal lines of insurance and commercial lines of insurance. Its insurance operations include two segments: personal lines of insurance and commercial lines of insurance. The personal lines of insurance, which its insurance subsidiaries write consists of private passenger automobile and homeowners insurance. The commercial lines of insurance, which its insurance subsidiaries write consists of commercial automobile, commercial multi-peril and workers' compensation insurance.