http://en.terra-eu.eu/trenchless-pipelaying/2-1-produktgruppen

Since 1975 TERRA develops and manufactures high-end technology systems for trenchless underground pipe and cable laying. With their headquarters based in Switzerland TERRA‘s research and development unit creates pioneering solutions distributed world wide. With state-of-the-art technology TERRA machines lay pipes for electricity, telecom, and water, environmentally friendly they remove the need for an excavator to dig the road.