Business: Northwest Pipe Company is a leading manufacturer for water related infrastructure products. In addition to being the largest manufacturer of engineered steel water pipeline systems in North America, the Company produces high-quality precast and reinforced concrete products, Permalok® steel casing pipe, bar-wrapped concrete cylinder pipe, as well as custom linings, coatings, joints, and one of the largest offerings of fittings and specialized components. Northwest Pipe Company provides solution-based products for a wide range of markets including water transmission and infrastructure, water and wastewater plant piping, structural stormwater and sewer systems, trenchless technology, and piping rehabilitation.