AIS Construction, Inc. specializes in stabilizing the steepest slopes. We are experts in rockfall mitigation, debris flow and avalanche mitigation and control, rock and soil reinforcement. We own and operate the nation's largest fleet of spyder walking/climbing excavators, allowing us to work on high slopes safely and with minimal impact. AIS also performs suction and mechanical dredging, shallow marine, harbor, lake and river constructions through our Marine Services Division.