OYAK, which was founded in 1961, is Turkey's largest supplementary occupational pension fund. OYAK Group has spread to 7 geographical regions of Turkey in the sectors of mining, metallurgy, cement concrete paper, automotive logistics, finance, chemistry, agriculture, services and energy on the other hand it is operating in 20 countries abroad.

OYAK, which carries out all of its activities within the scope of the Law Numbered 205, serves as a second-line supplementary occupational pension fund. OYAK, which is subject to the provisions of the private law, is an autonomous financial and managerial social security institution and manages its members' savings for efficiency and profitability purposes.

OYAK which makes valuable investments to have a safer future and close to a high level of prosperity with more than 31 thousand employees, provides value-added to Turkey's economy increasingly through the production, sales, export operation realized by its companies operating in different industries and the taxes paid by the group.