American Trenchless - Trenchless construction firm utilizing the latest trenchless technology including directional, guided wet bore, liner plate, jack and bore, liner plate, jack and bore, and TBM applications. Avoidatrench - Offers a complete range of directional drilling, pipe bursting, pipe ramming and augering services together with considerable engineering and applications experience. Powys, UK. Per Aarsleff A/S Pipe Technologies - Renovates pipes and pipe systems using No Dig technologies. The No Dig division renovates e.g. pipes for potable water, discharge water, process water, rainwater, gas and district heating, and also vertical downpipes, vent shafts, etc. Tom Allen Construction Company - Tom Allen Construction is contracting company in the specialized field of Horizontal Directional Drilling Util-Locate - Providing underground utility line locating services for privately owned utilities. Commercial and residential.