Who We Are.

Ernst Trenching, Inc. is a utility contracting company located in Fargo, ND with another office in Phoenix, AZ. ETI was founded in 1982 in Fargo, ND to provide placement capabilities for telecommunication companies. Through the years our specialization has evolved into large diameter directional boring as well as electrical, water and sewer construction projects. In 2015, ETI opened another office to service the Phoenix Valley in Arizona.



How We Do It.

At Ernst Trenching, Inc., safety is our number one priority. Our experienced work crews have a wide variety of late model, well maintained equipment to allow them complete jobs to spec and in a safe, efficient manner. Our employees also place a priority on conveying a positive image to the public while working on all job sites.