OMK consists of six large metallurgical plans, one of the largest car repair companies in the country, a metal service and trading network:

Vyksa Steel Works (Nizhny Novgorod Region, an OMK company since 1999)
Almetyevsk Pipe Plant (Republic of Tatarstan, an OMK company since 2002)
Blagoveshchensk Valves Plant (Republic of Bashkortostan, an OMK company since 2013)
Trubodetal Plant (Chelyabinsk, an OMK company since 2005)
Chusovoy Metallurgical Works (Permsky Kray, an OMK company since 2003)
Train Car Repair Company (25 regions of Russia, an OMK company since 2019)
Belenegromash (Belgorod, an OMK company since 2020)