Horizontal Drilling International, commonly known as HDI, is a construction company company established in 1984, specialized ... in the installation of pipelines under natural or artificial obstacles using the so-called “trenchless” methods, and particularly Horizontal Directional Drilling (HDD). is a construction company Our reputation is built on our continuously evolving engineering and our ability to adapt to any kind of project. The skills of our teams and the reliability of our equipment allow us to redefine the limits for pipeline installation beneath natural or artificial obstacles whilst respecting the environment. Visit us at http://www.hdi.fr read more