- Ballast Nedam International
- Luxembourg
- Jeddah Tower Development Team
- Saudi Arabia
- Pini Group (Switzerland)
- Saudi Arabia
- Limak-Çimtaş-Metalyapı JV
- NEOM
- Ballast Nedam International
- Sweden
- Istanbul Municipality Metro Istanbul A.Ş.
- Türkiye
- Kalyon Construction
- Türkiye