Company Story
1889 - Donegal Group Inc. was founded as Donegal and Conoy Mutual Fire Insurance Company
1909 - The company changed its name to Donegal Mutual Insurance Company
1936 - Donegal Mutual Insurance Company merged with Atlantic States Insurance Company
1954 - The company expanded its operations to Maryland
1962 - Donegal Mutual Insurance Company went public with an initial public offering (IPO)
1986 - The company changed its name to Donegal Group Inc.
1992 - Donegal Group Inc. acquired Southern Heritage Insurance Company
1998 - The company acquired Michigan Insurance Company
2001 - Donegal Group Inc. acquired Peninsula Insurance Company
2011 - The company acquired Michigan-based Michigan Insurance Company