AY-ER Surveying and Construction Lt. Company was established in 1998. AY-ER both inside and outside of Turkey, serves in the fields of Basic Cartography (City Planning Applications, Land Survey, Strip Maps, Expropriation Maps, Road Profiles etc.), in the Construction Sector (Application, Leveling, Fine Land Survey, Infrastructure Maps etc.), in Mining Sector (Open Management Production Maps, Underground Mine Survey, Reserve and Pickling Accounting etc.), in the Hydrographic Survey (Ocean, Lake and River Grounds Maps, Stabilization of coordination's over and under the ocean, Surveying and Following of Ocean Constructions). 

       Our company fixed needs of the day for GIS and prepared its formation and technical background direction of these needs. Consequently, the last technological products and technological tools and rigging, which are needed for the very specific works, have been inserted to the company’s structure in the necessity. 

       Until now, our company has succeed in the fastest, the most correct and the most economic consigning the work using the last technology.