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 most of them remained together. The only company since the breakup of Standard Oil that was divided into parts like Standard Oil was AT&T, which after decades as a regulated natural monopoly, was forced to divest itself of the Bell System in 1984. The successor companies from Standard Oil's breakup form the core of today's US oil industry. (Several of these companies were considered among the Seven Sisters who dominated the industry worldwide for much of the 20th century.) They include: Other Standard Oil spin-offs: Other companies divested in the 1911 breakup: Note: Standard Oil of Colorado was not a