On February 1, 1960 William H. Detwiller was employed as an agent for Standard Oil Company for the city of Cooperstown and surrounding area. On June 29, 1976 he purchased the bulk oil business from Standard Oil Company and at present is still owner/operator of the Detwiller Oil Company. He also operated Bill's Standard Service Station for many years in conjunction with the bulk oil business.

Vernon J. Kirkeby was agent for Standard Oil in the Cooperstown area from December 1939 to February 1, 1960 and prior to that date Carl Solberg was an agent.

Source: Cooperstown, North Dakota 1882-1982 Centennial Page 212