Heavy Equipment Production Company (HEPCO) is an Iranian corporation that manufactures construction equipment, railroad cars, trucks, forklifts and the industrial machinery of oil, gas, energy, metal and mining industries in Arak, HEPCO is the largest heavy equipment manufacturer in the Middle East.

[1] HEPCO was established and registered in 1972, with the intention of assembly & production of heavy equipment.

[2] In 1975 HEPCO resumed operation in its premises in Arak consisting of 1,000,000 square meters of land & 40,000 square meters of production hall in collaboration with manufacturers such as Navistar International, Dynapac, Poclain, Sakai Heavy Industries and Lokomo.

In 1984, HEPCO development project was designed in collaboration with Liebherr & Volvo companies, aiming at fabrication of steel structures of construction equipment.

After a series of clashes between the factory workers at HEPCO and police, multiple protesters were injured and/or detained by the Iranian anti-riot forces, and, as a result, the headcount of factory workers dropped from 8,000 to nearly 1,000.