Standard Oil Standard Oil Standard Oil Co. Inc. was an American oil producing, transporting, refining, and marketing company. Established in 1870 by John D. Rockefeller and Henry Flagler as a corporation in Ohio, it was the largest oil refinery in the world of its time. Its history as one of the world's first and largest multinational corporations ended in 1911, when the United States Supreme Court, in a landmark case, ruled that Standard Oil was an illegal monopoly. Standard Oil dominated the oil products market initially through horizontal integration in the refining sector, then, in later years vertical integration; the company was
Standard Oil They made large purchases of stock in US Steel, Amalgamated Copper, and even Corn Products Refining Co. Weetman Pearson, a British petroleum entrepreneur in Mexico, began negotiating with Standard Oil in 1912–13 to sell his "El Aguila" oil company, since Pearson was no longer bound to promises to the Porfirio Díaz regime (1876–1911) to not to sell to U.S. interests. However, the deal fell through and the firm was sold to Royal Dutch Shell. Standard Oil's production increased so rapidly it soon exceeded U.S. demand and the company began viewing export markets. In the 1890s, Standard Oil began marketing kerosene