A.D.I. started in 1998 servicing Minot and the local area. Within a very short time, A.D.I.’s services expanded to include both potable water and commercial diving. Starting in about 2000, we contracted our services with many construction projects ranging from the Four Bears Bridge construction and demolition, to numerous intake installations across ND and SD, a 14 mile pipeline laying project in SD, and the I-35 bridge collapse in Minneapolis. Our past history of work has taken us from Idaho to Wisconsin and from Colorado to the Canadian border. A.D.I. is involved in waterway and waterway related structure development in accordance with modern technology, safety, and ecology. A.D.I. provides our clients with a wide range of marine services including: Dive and ROV Inspections and Surveys, Underwater Construction, Salvage, Potable Water Services, Emergency Response Services, Haz-Mat Diving, Dredging, Tug Boat and Barge Support, and Consulting for issues at hand with/or on upcoming projects.