Engineering and Consulting Firm - Advanced Engineering and Environmental Services, AE2S is an engineering and consulting firm. We are an Environmental and and Civil Engineering firm. Our primary service is water - meaning drinking water and wastewater systems, water resources, and storm water system consulting. Advanced Engineering and Environmental Services has offices in Grand Forks (main office), Bismarck, Fargo, Watford City, Minot, Dickinson, and Williston, ND; Maple Grove, MN; Keystone, Colorado; Lehi, Utah; Madison, WI; Sioux Falls and Rapid City, SD; Salt Lake City, UT.