Mount Sopris Instruments is a leading manufacturer of geophysical slimhole borehole logging systems for dams, infrastructure, geotechnical, groundwater, research, and other applications – featuring a complete range of downhole probes including acoustic and optical televiewers, portable logging winches, versatile data loggers, and best-in-class WellCAD software. In 2023 we celebrate our 71st year in business! With over 50 representatives in strategic locations around the globe, and equipment operating in over 120 countries, we are always nearby for after sales support and service.