ABOUT Underground Tools, Inc. Underground Tools, Inc., headquartered in Lino Lakes, MN, is a world leader in the manufacturing and distribution of wear parts for the underground construction industry, specializing in trenching and horizontal directional drilling ground-engaging tools. UTI is dedicated to providing the highest quality components at a great price, with the promise of total customer satisfaction. UTI manufactures fully integrated digging systems for virtually every make and model of trencher on the market, from the smallest pedestrian units to the largest track trenchers. Trencher Chain, Chain Assemblies, Teeth, Sprockets, Rollers, Boom Components and much more are available for Ditch Witch®, Trencor®, Vermeer®, Case/Astec®, Tesmec® and many other trencher manufacturers equipment. UTI also manufactures a complete line of Drill Pipe and complementary Downhole Tools for Horizontal Directional Drilling equipment. Product line offerings include: Drill Pipe, Sonde Housings, Pilot Bits, Backreamers, Drive Chucks, Starter Rods, Transition Subs, Wear Collars, Carriage Chain, Jaw Dies, Adapters and much more. Drill Pipe and Tooling are available for all major manufacturers’ drills, including; Ditch Witch®/American Augers®, Vermeer®, Case/Astec®, Barbco®, Universal® and more. Furthermore, UTI is constantly developing new products within their core industries, as well as related industries, such as land development; site works construction and corresponding infrastructure development industries. With over 200 years of combined experience, the entire Underground Tools staff is looking forward to serving you! Home | Staff | Contact | News | Drill Pipe Trenching: Trencher Chains - Trencher Cutting Systems - Trencher Sprockets Drilling: Carriage Chain - Drill Pipe - Reamers - Sonde Housing, Pilot Bits & Connectors Misc. Parts: Carbide Cutters - Roller Chain - Pull & Plow Blades Site Map TOLL FREE - 1.866.488.3478