In 1981 mine management and contructing works to starting his activities with BSK-YOL integrity in the areas of infra structure and super structure from past to the present with honesty and quality policy has signed to many project with successfully.

In various regions of our country's transportation, dam, energy mining our company is conducting the activities of the super structure, fast, secure and cost effective management of each project has the experience and equipment necessaiy to perform.

The kind of professionalism in the work of the specializel staff, having a wide machine park.
Having self confidence and dignity adapted quality policy. Our company's ongoing activities the basic principles of creating an important place among labor and employment.