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 rates which are lower than the combination of local rates; sometimes they refuse to prorate; but in either case the result of their policy is to favor the Standard Oil Co. Different methods are used in different places and under different conditions, but the net result is that from Maine to California the general arrangement of open rates on petroleum oil is such as to give the Standard an unreasonable advantage over its competitors. The government said that Standard raised prices to its monopolistic customers but lowered them to hurt competitors, often disguising its illegal actions by using bogus supposedly