Westlake Pipe & Fittings, a division of Westlake Corporation, manufactures PVC pipe and fittings for infrastructure and related applications. The company says it has supported infrastructure for more than 50 years and operates 23 manufacturing and distribution facilities across North America; it also pioneered Certa-Lok spline-lock technology.
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
Westlake CorporationFounded in 1986 with the acquisition of a polyethylene plant in Lake Charles, Louisiana, Westlake Corporation is a global diversified industrial manufacturer and supplier. Its businesses produce chemicals, polymers, epoxy materials, and building and infrastructure products, serving customers across a range of industrial and consumer sectors.MARIETTA, OH
JM EagleJM Eagle manufactures plastic pipe and fittings for infrastructure applications. The company describes itself as an eco-conscious plastic pipe manufacturer and produces PVC, polyethylene, and ABS pipe products, with company offices in Los Angeles and manufacturing plants identified across multiple U.S. locations.COCHRANTON, PA
Flying W Plastics, IncFlying W Plastics has been part of Glenville’s manufacturing community since 1984, making polyethylene piping for municipal, industrial, and utility customers. The company is known for producing infrastructure piping tailored to project needs, with customer service and technical support built into the process.GLENVILLE, WV