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