Ermaks Mühendislik

5C Corridor Highway Zenica Tunnel Construction (Cengiz Construction)

Ankara - Izmir High Speed ​​Train Project (ERG Construction)

Paris Subway

Istanbul Subway (Kalyon Holding)

Istanbul Subway (Kolin Construction)

Ankara Istanbul High Speed ​​Train (Ictas Construction)

Gaziantep Sahinbey Tunnel (Deha Construction)

Kastamonu - Inebolu Tunnel (Cengiz Construction)

Vauk Tunnel (Bayburt Group)

Kop Tunnel (Bayburt Group)

Çaycuma - Bartın Tunnel (ÖDF Yılmazlar Construction)

Northern Marmara Highway (Limak Holding)

Ankara - Sivas High Speed ​​Train Line (Limak Holding)

Ilgaz Mountain Tunnel

Ovit Tunnel

Zigana Mountain Tunnel

Yusufeli Dam Tunnels (Limak Holding)

Yozgat Yerköy - Kayseri High Speed ​​Train (Doğuş-Çelikler-Özkar)

Eynez Coal Mine (Polyakeynez Mining)

Amasra Coal Mine (Hattat Energy and Mining)

Söğüt Gold Mine (Gubretas Mine)

Balya Zinc & Chrome Mine (Esan Eczacıbaşı)

Yatağan Coal Mine (Yatağan Thermal Power Plant)

Zinc Silver Gold Mine (Adriatic Metals)