RSI Drilling is a Certified Small Business offering the latest in Sonic, Direct Push Technology (DPT) Geoprobe®, and Hollow Stem Auger (HSA) drilling services for the environmental, geotechnical and mining industries. RSI has been providing sonic drilling services since the early 1990's. Most of RSI's clients are return customers satisfied with RSI's exceptional service and attention to detail. RSI acquired new ownership and management in 2001 with industry respected Derrik Sandberg and Don Winglewich - together they have 30 years industry experience. RSI added DPT and HSA drilling services including 2 new Geoprobe 6600 truck-mounted 4x4 drill rigs, a new tracked Geoprobe 6620 DT (combo rig), and a PowerProbe Combo rig that combines the strongest DPT hammer in the industry with a 5,000 Ft-Lb torque auger head. For traditional Environmental or Geotechnical HSA projects, RSI's CME-75 High-Torque Drill will provide reliable, safe drilling. Additional RSI capabilities include Well Development (Smeal Rig), Concrete Coring, Air Knife Borehole clearance, and Technician Services.

RSI is serious about its commitment to safe working habits. This is reflected in its excellent Health and Safety record (OSHA Log and EMR rating). RSI is proud to offer the best choice in cased-hole drilling, sampling (water, soil, vapor), slurry injection and well installations. With decades of drilling experience, excellent management, and great service, RSI offers a winning combination of capabilities. Please send us an email if you would like to discover more about how RSI's sonic, DPT and HSA drilling services may assist you with your drilling needs.