ÇALIŞAN Geotechnical Services Inc. has been founded by Dr.Oðuz ÇALIŞAN in the year 2000. The company being specialized in Geotechnical Engineering (Soil Mechanics and Foundation Engineering) has completed more than 200 different projects in various topics of Geotechnical Engineering. ÇALIŞAN Geotechnical with a considerable experience and know-how in Foundation Engineering, with special reference to deep excavations, foundations for industrial buildings, landslide stabilization and pile foundations is a registered user of the software PLAXIS©,SLOPE/W©,REWARD©,SHAFT©,LPILE©, DIPS©,SLIDE© and PHASE2© that are the integral part of the state-of-the-art worldwide Geotechnical Design. The company updating its experience continuously by following the worldwide construction techniques and literature produces safe and economical designs for each and every specific job by combining its experience in the state-of-the-art design and Dr.Oðuz ÇALIŞAN’s considerable construction experience. Besides the design works, ÇALIŞAN Geotechnical consulting during construction of deep excavations, pile foundations.