Conoco Inc. was an American oil company founded in 1875 as the Continental Oil and Transportation Company. It is now a brand of gasoline and service station in the United States which belongs to the ConocoPhillips Company. Based in Ogden, Utah, the company was a coal, oil, kerosene, grease and candles distributor in the West. The main office was later moved to Ponca City, Oklahoma, when on June 26, 1929, Marland Oil Company (founded by exploration pioneer E. W. Marland) acquired for a considera… (More on Conoco)