Technical supervision services of "Trade Centers" and "Residential" constructions are carried out by the Ostim Investment Inc. which is located within the boundaries of Ostim Organized Industrial Area.

In this context, with a construction of 1600 residential units in area of approximately 250,000 m2 and construction of 35 Trade Center units in the area of 150,000 m2, bidding, control and acceptance procedures, including all technical operations of contracts, projects and construction are carried out by the construction group.

Construction of electrical systems, transformers and power lines located in the new development areas of OSTIM is also carried out by the construction group.