Tunneling Estimator

Big River Trenchless & GeoServices (BRTG) is a leader in tunneling and underground construction. Our team has over 90 years in combined experience, having successfully completed several projects in America’s south, most notably Texas.   BRTG’s mission is to expand nationwide providing best in-class trenchless services including conventional tunneling, micro tunneling, annular pressure grouting, jack and bore, horizontal directional drilling (HDD), shaft construction, soil freeze, drill and blast, rib and lag, along with installation services for trench boxes/slide rails and liner plates.