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
Phone : 0 533 705 59 88

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

CENTRAL ANATOLIA BRANCH OFFICE
İşçi Blokları mah.30. cad. 21/2 Balgat , Ankara
Phone : 0 312 286 87 00
Fax : 0 312 286 86 42

AEGEAN BRANCH OFFICE
Phone : 0 533 959 69 58

SOUTH MARMARA BRANCH OFFICE
Phone : 0 533 276 98 27

EAST MEDITERRANEAN BRANCH OFFICE
Phone : 0 533 582 46 76

SOUTHEAST ANATOLIAN BRANCH OFFICE
Phone : 0 533 276 87 39