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,
Standard Oil that would dominate U.S. oil production in the 20th century. In 1911 Standard controlled only 44 percent of production in the Midcontinent, 29 percent in California, and 10 percent on the Gulf Coast. Some analysts argue that the breakup was beneficial to consumers in the long run, and no one has ever proposed that Standard Oil be reassembled in pre-1911 form. ExxonMobil, however, does represent a substantial part of the original company. Since the breakup of Standard Oil, several companies, such as General Motors and Microsoft, have come under antitrust investigation for being inherently too large for market competition; however,