Northwest Pipe Company
Wholesale Building MaterialsWashington, United States201-500 Employees
Northwest Pipe Company operates in the Wholesale Building Materials sector and is based in Vancouver, Washington, employing 201 to 500 people. It is described as the largest manufacturer of engineered welded steel pipe water systems in North America, with manufacturing facilities positioned to meet demand for water and wastewater infrastructure across the region. The company's products include large-diameter, high-pressure welded steel pipeline, reinforced concrete pipe, Permalok steel casing pipe, and protective lining systems such as T-Lock and Arrow-Lock, serving markets in water transmission, plant piping, tunnels, and river crossings. In addition to water transmission pipes, Northwest Pipe Company manufactures products for hydroelectric power, wastewater, industrial plant piping, and certain structural applications. The company has recently expanded its footprint into Utah, launching new precast pipe and manhole production facilities and full-scale operations in Salt Lake City to meet regional demand as of March 2025.