Marmara Regional Office
| Tel | 0216 554 11 00 |
| Fax | 0216 912 21 01 |
| Address | Sur Yapı Exen Tantavi Mah., Estergon Caddesi No:20 K:32 D: 376, 34764 Ümraniye/İSTANBUL |
Central Anatolia Regional Office
| Tel | 0312 286 12 80 |
| Fax | 0312 286 64 05 |
| Address | KızılIrmak Mah. Ufuk Üniversitei Cad. Ambrosia İş Merkezi No:18 Kat:8 Ofis D:61 Çukurambar 06510 Çankaya/Ankara |
South and Eastern Anatolia Regional Office
| Tel | 0322 457 33 30 |
| Fax | 0322 457 45 80 |
| Address | Reşatbey Mah. Atatürk Cad. Gen İş Merkezi No: 22 Kat:5 D: 501 01120 Seyhan / ADANA |
Aegean Regional Office
| Tel | 0232 463 65 40 |
| Faks | 0232 463 68 96 |
| Address | Çınar Mah. Fatih Cad. No: 1/23 D: 318 Çiçek Plaza Bornova-İZMİR |
Corporate and Consumer Sales Directorate
| Tel | 0216 554 11 00 |
| Fax | 0216 912 21 01 |
| Address | Altunizade Mah. Mahir İz Cad. NO:24 34662 Üsküdar/İSTANBUL |
Konya Branch Office
| Tel | 0332 248 74 74 |
| Fax | 0332 248 74 75 |
| Address | Nişantaşı Mah. Şehit Ömer Taşer Sk. No: 10/35 Selçuklu / KONYA |