Our firm was founded as Dayk Mühendislik in 2006. We conduct engineering and project applications about underground surveys. Our Services are; Ground and Earthquake investigations, Geological and Geotechnical works,, Dam,highways, bridges, subways, tunnels, Power plants surveys, Landslide surveys, Radioactive minerals' exploration, coal, petrol and natural gas exploration, industrial raw materials and metallic minerals exploration, enviromental contamination exploration, Geothermal energy exploration, and all underground surveys. For this objectives, we conduct Land, Marine and Airborne surveys. For the land surveys we have; 2 drilling machines with theirs equipments, 24 channeled siesmic device, magnetic, radiometric, resistivity equipments and other ground survey equipments. To conduct our airborne surveys we have 2 Cessna Caravan 208 aircrafts belongs to ordinary partnership which we have 45 % of share. Our aircrafts contains 18 mounted Magnetic sensors and 2 radiometric survey devices. Besides, we are Turkish representative of ESG Solutions that is one the most succesful companies at microsiesmic surveys, We are also Turkish distributor of Geotek Company that has original solutions about early warning systems for geololocial hazards. Also we have recently signed a distributorship agreement with YieldPoint Company from Canada about extensometer systems.