Standard Oil larger company. Its successors such as ExxonMobil or Chevron are still among the companies with the largest income worldwide. By 1882, his top aide was John Dustin Archbold. After 1896, Rockefeller disengaged from business to concentrate on his philanthropy, leaving Archbold in control. Other notable Standard Oil principals include Henry Flagler, developer of the Florida East Coast Railway and resort cities, and Henry H. Rogers, who built the Virginian Railway. Standard Oil's pre-history began in 1863 as an Ohio partnership formed by industrialist John D. Rockefeller, his brother William Rockefeller, Henry Flagler, chemist Samuel Andrews, silent partner Stephen V. Harkness,
Rio Blanco Oil Shale Company $132 million. Later the company acquired the modified in-situ technology developed by Occidental Petroleum. The major differences of two technologies lay in methods of rubblizing and fractioning of the shale deposit. The company also obtained a license for using the Lurgi-Ruhrgas process. In 1985, Amoco (former Standard Oil of Indiana) took control over the company acquiring Gulf Oil's take from the Chevron Corporation. In the same year, the company ceased its operations. 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