Fields Of Activity
As of year-end 2025, OYAK operates in 24 countries, including Türkiye, through more than 140 companies across six continents. With over 38,000 employees, OYAK has a strong presence in a wide range of industries, from mining and metallurgy to automotive, logistics, chemicals and agriculture, and from energy and finance to food, cement, concrete and paper.
OYAK Mersis Number
0645003428900012OYAK Member Communication Center
+90 312 415 6000OYAK Member Communication Center Fax
+90 312 434 1250Management
Human Resources and Sustainability
Member Services
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