Stone Hill has invested in the most up to date technology incorporating Trimble WM-Drain machine control systems to guarantee precise installation. In addition, our partnership with RDO Equipment has made Stone Hill the leader in equipment technology and the only contractor in South Dakota to utilize Topcon X53X fully automatic excavator grade control system. We have to launched two fully automatic systems from our fleet of excavation equipment for your project needs. This cutting-edge approach allows us to maximize efficiency on all of your large pipe installation and grading projects.