State Hydraulic Works Turkey

Turkish Petroleum Corporation

Istanbul Natural Gas Distrubituon Turkey

National Hydrocarbons Company of Chad

Tekfen Construction Turkey

Dogus Group Turkey

Yapi Merkezi Turkey

Çukurova Elektrik

General Directorate of Highways Turkey

General Directorate of Forestry Turkey

Eti Mining Turkey

Overseas Building Operations

National Highway Authority Sudan

Dams Implementation Unit Sudan

Nantong Construction Group

Charcoal Mining Turkey

KÜMAŞ Magnesite Inc.

White Nile Sugar Co. Ltd.

Mass Group Holding Ltd