ESG is leader in Micro-Seismic Monitoring founded in 1993. It has grown to become one of the most trusted providers of microseismic monitoring services across the mining, oil and gas and geotechnical industries. In 2013, ESG was awarded US patent 8,605,544 for its proprietary Hybrid™ passive seismic deployment strategy. The Hybrid™ Seismic Sensor Network combines the use of high frequency and low frequency passive seismic sensors in borehole and near-surface arrays to accurately monitor induced seismicity from -3 to +3 in moment magnitude. ESG currently holds 4 patents.