Voronezh Mechanical Plant (Russian: Воронежский механический завод, ВМЗ) is a Russian engine and heavy machinery manufacturing plant.

it has branched into producing oil and gas products like valves, manifolds and fittings.

[1] In January 2017, Roscosmos announced that firing tests revealed problems with the Voronezh-produced Proton rocket upper stage engines.

Voronezh director-general Ivan Tikhonovich Koptev resigned.

[2][3][4] On November 1, 2019, enterprises ВМЗ and the Chemical Automatics Design Bureau were merged.