JSC Kalinin Machine-Building Plant, ZiK or MZiK for short (Russian: Машиностроительный завод имени М.И.Калинина, ЗиК, МЗиК) is a large Soviet/Russian industrial factory, now part of Almaz-Antey holding.
Founded in 1866 in St. Petersburg by a decree of Russian emperor Alexander II as an artillery workshop, later enlarged into a state factory of field and later on anti-aircraft artillery.
In 1918 the factory was moved into Moscow Region, in 1941 to Yekaterinburg (former Sverdlovsk), where it's located up to now.
During World War II, the factory produced 20,000 anti-aircraft guns, last channel artillery unit under mass production was the 152mm KM-52.
Since the end of the 1950s, the factory is specializing on the mass production anti-aircraft rocket systems (SAM defence).
Civil products includes diesel  and electrical  forklift trucks, public service trucks, electrocars, etc.
- ^ (Russian) Diesel forklift trucks DP-1604
- ^ (Russian) Electrical forklift trucks ЭП-103КО
- ^ (Russian) Public service car MK-1500M (w/ vacuum cleaner)
- ^ Electrocars ET-2054