Accu-Bore Directional Drilling (Accu-Bore) serves the underground infrastructure industry by solving complex utility issues from water, wastewater and natural gas to electrical and communication. In 2011, ABDD merged with MDR, Inc. to become one of the first companies combining engineering and directional drilling services while also offering full-scale, turnkey, design-build utility and infrastructure services. The companies operate as MDR, Inc. DBA Accu-Bore Directional Drilling.

Business partners Billy Kilmer, Jr. and Michael Robirds bring more than 30 years of combined experience, successfully working together to develop solutions for infrastructure design and construction. With offices in both Southern and Northern California, Accu-Bore is well positioned to meet clients’ needs throughout the West Coast.

Customers benefitting from our expertise include utility providers, state and local municipalities, federal government, prime contractors, and commercial & industrial facilities.