Only three 1720 systems were ever built: one for the Amoco oil refinery in Whiting, Indiana; one for the Socal oil refinery in El Segundo, California; and one for E. I. du Pont in Wilmington, Delaware.
Two production-sharing agreements were signed with the Standard Oil Company of Ohio in January 1985 and Amoco in February 1986.
Petroconsultants SA assessed client interest at a meeting in Geneva on 20–21 August 1981 with attendees from Amoco, BP, Cities Service, Deminex, Elf Acquitaine, Exxon, Gulf and Shell.
Hudson Oil & Gas became Dome Petroleum and then Amoco Canada Petroleum, for whom the locomotive remains operable.
MT Haven, formerly Amoco Milford Haven, was a VLCC (very large crude carrier), leased to Troodos Shipping (a company run by Lucas Haji-Ioannou and his son Stelios Haji-Ioannou).
Employers contributing to the population explosion of the 1980s and 1990s included: Bell Labs and Western Electric (now Alcatel-Lucent), Amoco (now BP and Ineos), Nalco, Nicor, and Edward Hospital.
On 16 March 1978, Amoco Cadiz, a very large crude carrier (VLCC), owned by Amoco, split in two after running aground on Portsall Rocks, 5 km (3.1 mi) from the coast of Portsall, resulting in the largest oil spill of its kind in history to that date.