Northwest has manufactured over 2 million feet of Permalok® Steel Casing pipe has been since 1997. The casing pipes are installed using various trenchless jacking construction methods including microtunneling and pipe jacking, auger boring, pipe ramming, Direct Pipe®, and others.
Northwest Pipe Company of North America is one of the largest manufacturers of steel pipe water systems. It serves many industries including energy and water market. Incorporated in 1996, the company provides the highest quality products. It uses spiral weld and rolled and welded methods to manufacture premium quality products. It has a highly experienced staff that guides the company towards excellence.