Tri-State Civil Construction, formerly named Tri-State Groundwater Solutions (TSGS) is a NJ based construction subcontractor specializes in complex deep foundation solutions, including construction dewatering, groundwater treatment and geotechnical services in the NY metro area. Our management team combined has over 50 years of experience in this industry, we have deep knowledge of each and every component of deep foundation work. With the most up to date equipment and some of the best expertise in the business, Tri-State Groundwater is the solution to all of your foundation problems. Our motto is “Never leave a site until the job is done to perfection”. TSGS is also a certified MBE & DBE firm committed to excellence.