Rosneft, PJSC
SIBUR Holding, PJSC
Salym Petroleum Development
Transneft Siberia, JSC
Tomskburneftegaz, LLC
NOVA, LLC
UPNP and KRS, JSC
Pipe Metallurgical Company
PROTON, LLC
SVS-OIL, JSC
Hilong Group
ChTPZ, PJSC
AZTS, LLC
ALSO Plant
