TEK-İMAŞ A.Ş. has successfully implemented and continues to apply the works stated below in the main headings in accordance with the purpose of establishment, in Turkey and abroad by following the developments in the world since 1986.

* Infrastructure Constructions;
- Road Constructions,
- Natural Gas Pipeline Constructions,
- Sewerage, Stormwater and Potable Water Lines Constructions,
- Hydroelectric Power Plant, Pond and Water Structures Constructions,
- River Improvement and Drainage Channels Constructions

* Superstructure Constructions;
- Hospital Constructions,
- High Security Prison and Courthouse Constructions,
- Dormitory and Faculty Constructions,
- Factory and Industrial Plant Constructions,

* Landscape Studies and Forest Afforestation;
- Projecting,
- Highway Landscape Construction,
- Land Arrangement,
- Sports Facility Landscape Applications,
- Sapling Growing and Afforestation,

* Tourism;
- Hotel management,
- Restaurant, Cafe and Daily Recreation Area Management,

* Energy;
- Hydroelectric Power Plant Investment and Management, (Göksu HEPP)

* Health;
- Medical-Medical Equipment, Consumables and Devices Supply, Sales, Installation and Maintenance Works,
- Turnkey Health Facilities (Hospitals, Laboratories, Clinics, Dialysis Centers)
- Hospital Management,

* Agriculture ;
-Greenhouse Cultivation Activities,
-Avocado Farming,