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 of Iowa now the Chevron Corporation. Standard Oil Company of Iowa is thus the original company that is now Chevron. Standard Oil of Iowa Standard Oil Company of Iowa was created in 1885 as a subsidiary of the Standard Oil Trust to handle marketing along the Pacific Coast states of Idaho, Oregon, Washington, California, and Arizona. Though named for the midwestern state, it never included Iowa as one of its primary marketing areas. A prior company named Standard Oil of California had been formed in 1877, and was not associated with the Standard Oil Trust. In 1906, Standard Oil of Iowa was