Pipping Excavating LLC. specializes in agricultural drainage across the State of Wisconsin. We use RTK-GPS to survey, evaluate, and design each and every drainage project. This leading edge technology allows us to not only complete your project in the most timely manner possible, but install it with extreme accuracy. Our Bron 550 tile plow allows us to install 4″-15″ single wall and up to 18″ dual wall drain tile.