I roto i te 1870, Rockefeller whakakahoretia te hononga, ka whakaurua Standard Oil i roto i Ohio. O te tuatahi 10,000 hea, riro John D. Rockefeller 2,667; Harkness riro 1,334; William Rockefeller, Flagler, ko Andrews riro 1,333; Jennings riro ia 1,000, me te kamupene o Rockefeller, Andrews & Flagler riro 1,000. whiriwhiria Rockefeller te ingoa "Standard" rite te tohu o te pono "paerewa" o te kounga me te ratonga i whakaaro ia mo te ahumahi hinu whanau. Pātai: Me pēhea te tīmata Standard Oil?
hei hononga o Ohio