Terra Sonic International is the only manufacturer 100% dedicated to Sonic Drilling. Terra Sonic designs and engineers the TSi 150T Truck-Mounted Sonic Drill Rig, the TSi 150C Crawler-Mounted Sonic Drill Rig, and the TSi 150CC Compact Crawler-Mounted Sonic Drill Rig. TSi also offers support equipment, breakout clamps, and TSi tooling. All of our Sonic Drill Rigs use our proprietary 150 Series Sonic Oscillator.