Karan Darya Co., one of leading active companies in all civil engineering construction branches and one of Jahad Toseeh Institute sub-companies, was established in 1990 and soon took responsibility of many projects respecting Buildings, Coastal and Marine Structures, Ports and Road Construction.

By joining of two Jahad Toseeh Institute sub-companies (Iran Tavanab Co. and Bana Building Engineering Co.) in summer of 1998, Karan Darya Co. expanded its construction equipments and abilities.

Company Grades from Iranian Management and Planning Organization:

            First grade in Water category

            First grade in Transportation category

            Fourth grade in Building category

            Fifth grade in Installation and Equipment category  

Fields of activity:

Design and construction of Heavy Concrete and Steel Structures

Design and construction of Coastal and Marine Structures, Dams and Breakwaters

Design and construction of Roads, Airports, Bridges and Tunnels

Design and construction of Jetties, Ports, Port Facilities and Rehabilitation of Concrete and Steel Structures