NWPX Infrastructure, Inc. manufactures and sells water-related infrastructure products in the United States and Canada through two segments: Water Transmission Systems (WTS) and Precast Infrastructure and Engineered Systems (Precast). The WTS segment produces large-diameter, high-pressure steel pipeline systems for drinking water, hydroelectric power, wastewater, seismic resiliency, and other applications. The Precast segment offers stormwater and wastewater technology products, precast and reinforced concrete products such as pipe, manholes, box culverts, vaults, catch basins, pump lift stations, oil water separators, and biofiltration units. The company sells under the NWPX Geneva, NWPX Park, and Northwest Pipe Company brands, and was formerly known as Northwest Pipe Company before changing its name to NWPX Infrastructure, Inc. in June 2025. Incorporated in 1966, it is headquartered in Vancouver, Washington.