Pennington County, SD Underwater Utility Directional Bore South Dakota Directional provides Pennington County, SD with underground and underwater utility infrastructure construction services via Horizontal Auger Boring, Tunneling and Horizontal Directional Boring (HDD) more commonly called Directional Boring. We provide underground utility construction services specializing in the underground boring of utility pipelines for electric power, solar, … Continue reading Pennington County, SD Directional Boring Contractor