Profile: Geokon, Incorporated is a manufacturer of geotechnical instruments. We are an ISO 9001:2000 certified company. Our brands include Geokon™. Our geotechnical instruments are extensometers, piezometers, strain gages, crackmeters, jointmeters, load cells, settlement sensors, pressure cells, inclinometers and dataloggers. Our equipments are used for monitoring the safety and stability of civil and mining structures such as earth dams, concrete dams, tunnels, mine openings, foundations, piles, embankments, retaining walls, slopes, subway systems, underground powerhouses and bridges. Our Model A-1 single position rod extensometer is used for monitoring the safety in and around tunnels and mine openings. Our Model A-9 retrievable extensometer is designed to measure deformations in boreholes in rock, concrete and other construction materials.