JSC Tulamashzavod (Russian: Тульский машиностроительный завод) also known as Tula Machine-Building Plant is a company based in Tula, Russia.

During the Soviet era it was known for its production of weapons and motorcycles.

[1] It is part of High Precision Systems, a Rostec company.

[1] It is a major producer of guns and missiles for land, air, and naval forces.

Plants in Tula work closely with the Tula Scientific Research Technological Institute (TNITI), which conducts research on the use of steel alloys in weapons which are in mass production.