Guralp Systems designs and manufactures broadband seismic monitoring systems for research, civil, and industrial use. World-class seismometers, accelerometers, and data acquisition tools are deployed globally to monitor both natural and human-induced seismic activity.

Durridge is a leading provider of professional radon detection equipment. Since 1997, Durridge has offered world-class radon detection solutions for businesses, universities, and governments worldwide. RAD8 and RAD7 continuous radon gas monitors feature precise measurement far exceeding EPA accuracy standards.