LLC "Nizhny Tagil factory of metal constructions"
LLC OMEZA
LLC "OMSM"
Orsk Construction Ironwork Plant
Oskol Construction Company LLC
OOO PSK "BELENERGOSTROY"
LLC "Oskol Steel Plant"
LLC "CORONAR"
Soyuzprommontazh, LLC"
OOO "CONSTRUCTORARGUMENT"
