Mushure mekunge Standard Oil yatanga kutengeswa muna 1863, yakatanga kuzivikanwa se "Standard Oil" nemumwe muzvinabhizimusi ainzi John D. Rockefeller, mukoma wake William Rockefeller, Henry Flagler, nyanzvi yemakemikari Samuel Andrews, Stephen V. Harkness, naOliver Burr Jennings, uyo akaroora hanzvadzi yemudzimai waWilliam Rockefeller. Muna 1870, Rockefeller akavhara mubatanidzwa uyu ndokuita Standard Oil kambani muOhio. Pazvikwata 10 000 zvekutanga, John D. Rockefeller akagamuchira 2 667; Harkness akagamuchira 1 334; William Rockefeller, Flagler, naAndrews vakagamuchira 1 333; Jennings mumwe nemumwe akagamuchira 1 000, uye kambani yeRockefeller, Andrews & Flagler yakagamuchira 1 000. Rockefeller akasarudza zita rekuti "Standard" sechiratidzo che "zviyero" zvakavimbika zvehunhu uye basa raakaronga kuti indasitiri yemafuta isati yatanga.
semubatanidzwa weOhio