Other partners, according to the media, include Greece's Hellenic Petroleum, US Cambridge Energy Research Associates, Russia's Lukoil and Rosneft, and Bulgaria's Technoexportstroy.
Među ostalim partnerima, prema izvješćima medija, nalaze se grčki Hellenic Petroleum, američka kompanija Cambridge Energy Research Associates, ruske kompanije Lukoil i Rosneft, i bugarska kompanija Technoexportstroy.