Northwest Pipe Co was incorporated in the State of Oregon. The Company is a North American manufacturer of large diameter, high-pressure steel pipeline systems for use in water infrastructure applications, primarily related to drinking water systems. The Company also manufactures other welded steel pipe products for use in a wide range of applications, including energy, construction, agriculture, and industrial uses. The Company's pipeline systems are also used for hydroelectric power systems, wastewater systems and other applications. It also makes products for industrial plant piping systems and certain structural applications. The Company operates in two business segments, Water Transmission and Tubular Products. The Company manufactures water infrastructure steel pipe products through its Water Transmission Group. The Water Transmission Group produces large diameter, high pressure, and engineered welded steel pipe products for use in water transmission applications. Company has eight Water Transmission manufacturing facilities, located to meet North America's growing needs for water and wastewater infrastructure. It markets water infrastructure products through an internal sales force. The Company also manufactures smaller diameter electric resistance welded (ERW) steel pipe and other welded steel pipe products through Tubular Products Group. Its smaller diameter pipe is used for applications in energy, structural, commercial and industrial uses. The Company has three centrally located Tubular Products manufacturing facilities in the United States and markets products through an internal sales force. The Company's Water Transmission manufacturing facilities are located in areas including; Oregon, Colorado, California, West Virginia, Texas, Missouri, Utah, and Mexico. The Company's competitors in Water Transmission business in the western United States and southwestern Canada is National Oilwell Varco, Inc. East of the Rocky Mountains, its primary competition includes: American Cast Iron Pipe Company and U.S. Pipe, which manufacture ductile iron pipe; American Spiral Weld Pipe Company, which manufactures spiral welded steel pipe; and Hanson Pipe & Precast, which manufactures concrete pressure pipe and spiral welded steel pipe. The Company's Tubular Product competes with U.S. Steel, TMK Ipsco, Boomerang, Energex, Tex Tube, Tenaris, Evraz, California Steel Industries and Welded Tubes, as well as foreign competitors. The Company is subject to federal, state, local and foreign environmental and occupational safety and health laws and regulations, violation of which could give rise to fines, penalties, other civil sanctions or criminal sanctions.