United Refining Co. is an independent refiner and marketer of petroleum products, and parent company of convenience stores in Pennsylvania and portions of Ohio and New York. The company, based in Warren, Pa., operates 375 retail outlets, including service stations/convenience stores, truck stops, restaurants and garages. The c-stores are branded Kwik Fill/Red Apple Food Marts and Country Fair. Each is a separate retail division, operated independently, with separate company headquarters and management staffs. United also operates a refinery and produces fuel for cars, trucks, airplanes, and farm and construction equipment, as well as homes and industries. The company also has a trucking operation, terminal operations and an asphalt terminal.

Source: Convenience Digital Resource Library, Technomic. For benchmarking purposes, store counts are year-end 2017.

Photo courtesy of Niagara. 

Headquarters:Warren, Pennsylvania
No. of Stores:375
Rank Last Year:24