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
Associated Oil Company in 1929 to construct a new railroad drawbridge a year later. In 1926, the Associated Oil Company stock owned by the Pacific Oil Company, which was formed by Southern Pacific Company to handle their oil interests, was sold to a new holding company, the Tide Water Associated Oil Company, which also acquired the Tide Water Oil Company at the same time. Standard Oil of New Jersey, the largest stockholder in Tide Water at the time, later formed a holding company, Mission Corporation, to hold the stocks of Tide Water and Associated. Beginning in 1934, Associated Oil Company commissioned a series