Since 1921, McWane Ductile has manufactured ductile iron pipe for water and wastewater infrastructure, pairing foundry production with project-specific fabrication services. A division of McWane Inc., the company operates three U.S. foundries in New Jersey, Ohio, and Utah and employs more than 1,000 people. Its Coshocton operation also produces ductile iron utility poles, including through a $50 million section-casting and annealing expansion completed in 2024.
McWane, LLCFounded in Birmingham in 1921 as the McWane Cast Iron Pipe Company, McWane is a family-owned and operated manufacturer of infrastructure products. It grew from its cast-iron pipe roots into a company making products for water distribution and plumbing, fire safety, and pressure-vessel applications, with manufacturing facilities across North America and around the world.ELMIRA, NY
Northwest Pipe CompanyFounded in 1966, Northwest Pipe Company manufactures engineered water pipeline and infrastructure products, and describes itself as the nation’s leading manufacturer of engineered water pipeline and infrastructure. The company grew from three steel pipe mills in Clackamas, Oregon, and now operates manufacturing facilities across the United States and Mexico. Its specialties include engineered steel water pipe and concrete pipe and precast products, with ISO 9001:2015-certified facilities.WASHINGTON, WV
MPS MankatoSince 1876, MPS Mankato has operated a Mankato foundry producing ductile iron castings and helping manufacturers convert costly fabrications into cast parts. The facility produces 120 tons of ductile iron daily for more than 150 customers, with engineering, in-line machining, and coordinated finishing kept close to the casting operation. Its quality system has been registered to ISO standards since 1996 and is currently certified to ISO 9001:2015.WASHINGTON, WV
Urick Ductile SolutionsUrick Ductile Solutions is an Erie, Pennsylvania foundry that has produced ductile iron castings since its founding in 1905. The company makes castings for demanding industrial applications and verifies every casting in-house through resonant frequency testing; its published process targets at least 85% nodularity. Urick is part of Emerson.ERIE, PA