General Info

Established in 1973, Diedrich Drill Inc. is a firm engaged in manufacturing, selling and servicing the drilling equipment for the geotechnical, environmental, geothermal and groundwater industries. The company manufactures a wide range of products, including drill rigs, tooling, carrier mast interlock, back drivers and cathead brakes. The company is affiliated with industry associations like American Society for Testing and Materials and National Groundwater Association. The firm is also an authorized dealer for Cetco products and an authorized service center for Kohler engines.