Standard Oil of Ohio Standard Oil of Ohio Standard Oil of Ohio or Sohio was an American oil company, and the earliest component of the original Standard Oil company founded by John D. Rockefeller. Sohio was acquired by British Petroleum, now called BP. Sohio continued as a separate entity after the antitrust breakup of Standard Oil in 1911. It operated service stations under the "Sohio" brand name in Ohio. In other states, it used the "Boron" brand name instead, but with an otherwise-similar logo. Wallace Trevor Holliday was President of the company from 1928 to 1949 and Chairman of the Board from 1949 until
Standard Oil Oil insist that the company did not restrain trade; they were simply superior competitors. The federal courts ruled otherwise. Some economic historians have observed that Standard Oil was in the process of losing its monopoly at the time of its breakup in 1911. Although Standard had 90 percent of American refining capacity in 1880, by 1911 that had shrunk to between 60 and 65 percent, due to the expansion in capacity by competitors. Numerous regional competitors (such as Pure Oil in the East, Texaco and Gulf Oil in the Gulf Coast, Cities Service and Sun in the Midcontinent, Union in