Erdemir Çelik Servis Merkezi Sanayi ve Ticaret A.Ş. (ERSEM) which is 100% owned by ERDEMİR Group, started its activities in Gebze Organized Industrial Zone in January 2002.
As a result of the acquisiton of ERDEMIR by ATAER Holding, , the company joined OYAK Group Companies on February 27, 2006.
| Headquarters | : | Gebze Organize Sanayi Bölgesi İkinci 700. Sokak No: 724 GEBZE / KOCAELİ |
| Telephone | : | 0 (262) 679 27 27 |
| Telefax | : | 0 (262) 679 27 67 / 87 / 97 |
| Web Site | : | www.erdemir-csm.com.tr |
| : | info@erdemir-csm.com.tr |
