Eskişehir OSB Region was established in 1969. Today, there are more than 890 companies in the region. Currently, the number of employees is 48 thousand people. This figure will reach 55 thousand people by the end of 2025. More than 3 billion dollars of Eskişehir s 4 billion dollar annual export in 2022 is made by industrial establishments in the OIZ. The total size of the region is 34 million square meters, and 23 million square meters of this area is allocated to industrial establishments. It is Turkey s largest OIZ. It is constantly growing with new investments. In the last 5.5 years, an area of ​​3 million 350 thousand square meters has been allocated to investors. It is the center of high technology production. There are 40 foreign capital companies in the region. The number of employees in these facilities is 9 thousand and the annual export amount is 1 billion dollars.