Dean Polvi

RST Instruments Ltd. manufactures and markets geotechnical measurement instruments. It products include inclinometers and tilt sensors, piezometers, readouts and dataloggers, borehole packers, grout monitors, load/stress/pressure sensors, extensometers, settlement systems, environmental, thermistors and temperature, analysis software, vibration and overpressure and carlson concrete instruments. The firm also provides technical assistance, field services, custom designs, calibrations, repairs and rental services. It serves the engineering and consulting firms, oil and gas, mining, utility and other sectors. The company was founded in 1977 and is headquartered in Maple Ridge, Canada.