Machine Sazi Arak (MSA) was established in 1967 in an area of 134 hectares in the city of Arak in order to support underlying industries and meet the industrial needs of the country.
This knowledge-based company with over half a century of experience coupled with scientific and technical capabilities enjoy about 1700 highly qualified specialists, modern equipment and facilities in the form of five different production groups, three independent subsidiaries and a scientific and educational center. MSA is able to carry out major international and mega projects in form of EPC project and general contracting, able to produce a variety of metal products.
Some of the activities and products of MSA are as follows:
Engineering, procurement, construction, installation of oil, gas, petrochemical and power plant equipment including storage tanks, mobile and fixed pressure vessels, distillation towers, heat exchangers, air coolers, spherical tanks, indirect heat exchangers, mobile oil treating (MOT) units, gate valves and wellhead equipment, drilling rigs, process pumps for oil and gas industry, cranes and hydro mechanical equipment for dams, fire tube and water tube boilers as well as combination cycles boilers, bridges and heavy steel structures, production of alloy steels, pressure flanges, industrial rings, axle and railways tires, steel balls, heavy machining industrial furnaces as well as manufacturing machineries and plant equipment and industrial incinerators.
We are also the first company in Iran awarded the prestigious ISO 9001quality system certificate by MSC DNV for the whole scope of our activities. Confirmation of internationally reputed inspection agencies such as Lloyd’s Register Industrial Services, S.G.S, TUV and … on our export products bears witness to our claim.
Our high quality products have so far found their way to the markets of many countries like France, Italy, England, Belgium Saudi Arabia, Kuwait, Qatar, Jordan, Syria, Pakistan, Bangladesh, Sri Lanka, Turkmenistan, Azerbaijan, Belarus, Sudan and Uzbekistan.
With very rapid technological growth of MSA during these years, two reorganizations were performed to manage a very wide and varied range of activities.

The last reorganization in 2007 was as follows:

Equipment Manufacturing Group

Metallurgy Manufacturing Group

Steam Boiler Manufacturing Group

Bridges and Steel Structure Manufacturing Group

Machining and Assembly Group

Subsidiaries
1- MSA Engineering and Construction Company
2. Paysaz Company
3. West Sun Trade