HEAD OFFICE
Kosuyolu Cad. No:34 34718 Koşuyolu - Kadiköy - Istanbul/Türkiye
Phone : 90 216 544 90 00 (Pbx)
Fax : 90 216 545 59 94
E-Mail : info@onkokocsel.com

BRANCH OFFICES

MARMARA BRANCH OFFICE
EUROPEAN SITE
Kocamustafa Pasa Cad. Etyemez Tekke Sok. Merih Is Merk No.111, Istanbul
Phone : 0 212 633 46 12

ANATOLIAN SITE
Koşuyolu Cad. No:34 Koşuyolu, Istanbul
Phone : 0 216 544 90 00

CENTRAL ANATOLIA BRANCH OFFICE
Sümer Sok. Kardesler Apt. No:36 Kizilay, Ankara
Phone : 0 312 229 73 70 - 0 312 232 45 78
Fax : 0 312 229 73 70

AEGEAN BRANCH OFFICE
1713 sokak No:42 Daire: 5 Karşıyaka İzmir
Phone : 0 232 486 24 47
Fax : 0 232 486 37 47

SOUTH MARMARA BRANCH OFFICE
Hüdavendigar Mah. Büklüm Cad. Dilek Sok. Gözaçan Apt. No:8 D:1 Çekirge Bursa
Phone/Fax : 0 224 235 07 05

EAST MEDITERRANEAN BRANCH OFFICE
Toros Mah. 116. sok. Özkan Apt. B Bl Kat:1 D:3 Seyhan Adana
Phone : 0 322 235 63 68
Fax : 0 322 235 63 78

SOUTHEAST ANATOLIAN BRANCH OFFICE
Turgut Özal Bulv. İpsan Sit. Bellona Üstü K:1 D:1 Diyarbakir
Phone/Fax : 0 412 237 31 71