Sönmez Petrol
Sönmez Petrol Industry and Trade Ltd. continues to render services at the address of Yeni Yalova Yolu 9.Km with full facade facing the main road and under the service area of Sönmez Holding.
Sönmez-Koç Automotive
Sönmez-Koç Automotive Trade Inc. was established on 22 July 1993 with the partnership of the shareholders of Kamil Koç Bus Inc. and businessman Celal Sönmez. It was moved to its new plaza building located in Yeni Yalova Yolu 9. km. on 01 January 1999.
