According to various sources, various American companies – such as Exxon Mobil or Chevron -- are interested in gaining stakes as well, presumably by acquiring the percentages of the Bulgarian and Greek companies.
Conform mai multor surse, diferite companii americane – cum ar fi Exxon Mobil sau Chevron – sunt de asemenea interesate de obţinerea unor pachete de acţiuni, probabil prin dobândirea de procente de la companiile bulgare şi greceşti.