Open joint-stock company (JSC) NMZ or Nizhny Novgorod Machine-building Plant () is a Russian (formerly Soviet) artillery factory in the Sormovo district of Gorky. It included the TsAKB artillery design bureau led by Vasiliy Grabin.
Currently, part of Almaz-Antey together with Almaz-Antey Branch no. 1.
Previous names for this factory include Gorky Machine-building Plant (), All-Union Machine-building Plant New Sormovo (, Novoje Sormovo), Joseph Stalin Factory No. 92, Artillery Factory No. 92, Zavod imeni Stalina, or ZiS.
Its products included: