PJSC "OC "ROSNEFT"
JSC "Syzran Oil Refinery"
AO "RNPK"
OJSC "GAZPROMNEFT-MNPZ"
OAO "SLAVNEFT-YANOS"
OJSC «MMK»
Chelyabinsk Forge-and-Press Plant
OJSС "Kolskaya Mining and Metallurgical Company"