KWH Pipe Competitors

We build value and trust by solving for our customers and their challenges. Our connected products and technology give building owners and maintenance staff a better sense across their plumbing system. Our complete portfolio provides user safety, water efficiency, and control for the owner.

Contech provides innovative, cost-effective site solutions to engineers, contractors, and developers on projects across North America. Our portfolio includes bridges, drainage, erosion control, retaining wall, sanitary sewer, and stormwater management products. Supporting every aspect of your project, our extensive network of local experts are here to help, providing agency and regulatory guidance, engineering calculations, site-specific drawings, solution development, cost estimates, and installation support. We look forward to working with you on your next project.

Northwest Pipe Company is the largest manufacturer of engineered welded steel pipe water systems in North America. Our manufacturing facilities are strategically positioned to meet North America’s growing needs for water and wastewater infrastructure. Our solution-based products serve a wide range of markets including water transmission, plant piping, tunnels, and river crossings. Our prominent position is based on a widely-recognized reputation for quality, service, and manufacturing to meet performance expectations in all categories including highly-corrosive environments. To serve the recognized needs in water infrastructure, we manufacture large-diameter, high-pressure, engineered welded steel pipeline, as well as reinforced concrete pipe, Permalok® steel casing pipe, and T-Lock® and Arrow-Lock® protective lining systems. In addition to fabricating pipes for water transmission primarily related to drinking water systems, we also make products for hydroelectric power systems, wastewater systems, industrial plant piping systems, and certain structural applications.