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
Rio Blanco Oil Shale Company Rio Blanco Oil Shale Company The Rio Blanco Oil Shale Company was an American shale oil extraction technology research and development company. The company was established as a general partnership of Gulf Oil (now part of Chevron Corporation) and Standard Oil of Indiana (now part of BP). It was named after the Rio Blanco County, Colorado, the location of the company's oil shale tract. The Rio Blanco Oil Shale Company was established in 1974. In 1974, it win a bid for Federal Oil Shale Lease C-a in the Rio Blanco County. In 1977, the company started preparations to demonstrate its