E.W. Graham Oil was founded by owner Gene Graham Sr. in Grayslake, Il. It originally began as a venture in the petroleum/gasoline market delivering fuel and oil to homes and local farms in 1938. In 1954, Gene was joined by his two sons and acquired their first group of sites, and at that time, had became a distributor for Sinclair Oil.
In the early 1990's, Graham Oil explored further into the convenient store business, and saw opportunities to enhance the family business, this ultimately resulted in the Graham C-Stores formation. With all the successful acquisitions over the years, Graham C-Stores has become one of the largest multi-branded, petroleum marketers spanning the entire northern suburbs from Fox Lake to the southern suburbs in Roselle; serving Lake, Cook, Dupage and McHenry counties.


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