St Louis County, MO Underwater Utility Directional Bore Directional Bore Conduit provides St Louis County, MO 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 … Continue reading St Louis County, MO Directional Bore Conduit