Donegal Construction Corporation was founded in 1980 as a small asphalt-paving contractor in Pennsylvania. The company has since grown to become a fully integrated highway contractor that performs projects as a highway contractor in western Pennsylvania and as one of the largest milling or profiling contractor on the East Coast. Donegal Construction Corporation s construction division offers asphalt paving, concrete construction, excavation and grading, base repairs, patching, drainage structures and drainage lines, utility lines, water and sewage lines, bridge and culvert construction and crack sealing. Its milling division offers asphalt and concrete milling, pavement profiling, asphalt and concrete carbide grinding. Customers include Pennsylvania Department of Transportation, private individuals and commercial customers, general contractors of all sizes, local municipalities and municipal authorities. The company operates in Pennsylvania, New York, Ohio, Delaware, West Virginia and Maryland. Donegal Construction Corporation is located in Greensburg, Pa.