Prefabricated Steel Construction Industry Trade Corporation was founded in 1984 and exports and imports in domestic and foreign markets by producing all kinds of prefab construciton, barrack and ready construction from all kinds of metal and wood. 

Prefabricated Construction and Building Industry trade Corporation was founded in 1989 and works in the fields of General Construction Business Services, pre- production steel construction, single- floor or multi –floor modular prefab steel buildings, industry type steel constructions, house containers, emergency living units and GSM cabinets with its domestic and foreign agents.

Service Building Tourism and Trade Co. Ltd. Was founded in 2000 and still works in the fields of building and facility constructing/ commitment, building materials purchase, sales, import and export.