DRAGIN Drilling provides a full range of geothermal well drilling, loop system installation and heat pump installation services including: Borehole drilling. Supply and return line trenching, installation and backfilling. Open Loop Systems. Single Well Installations. Standing Column Well Installations. Double Well Installations. Closed loop Systems. Vertical Well Installations. Borehole grouting. We are certified well drillers, heat pump installers and HDPE pipe fusers. We pride ourselves on our efficient and time saving abilities on the job as well as our capacity to complete the project without the use of sub-contractors.