Contech Engineered Solutions is a manufacturer of civil infrastructure products, headquartered in West Chester, Ohio, with over a century of experience. The company produces a broad portfolio of engineered solutions including bridges, pipe systems, stormwater management, retaining walls, and erosion control products. Contech partners with project owners, engineers, and customers to provide regulatory guidance, design support, and installation assistance, helping clients tackle complex infrastructure challenges.
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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
Terre Hill Concrete ProductsTerre Hill Concrete Products manufactures concrete block and precast concrete products for construction and infrastructure projects. Founded in 1919 by Adam H. Martin, who began making blocks by hand on his family farm in Terre Hill, Pennsylvania, the company now reports producing more than 15 million blocks annually and operates NPCA-certified manufacturing plants. Its in-house engineering and fabrication teams also develop custom precast structures and stormwater management products.LEBANON, PA
Mattr CorpFor more than 50 years, Mattr Corp. has combined advanced materials technology with complex manufacturing to build engineered products and systems for infrastructure projects worldwide. Its portfolio spans connection and composite technologies, including Shawflex wire and cable, Flexpipe composite linepipe and Xerxes storage and stormwater solutions. Based in Vaughan, Ontario, Mattr operates through established brands serving markets from energy and transportation to communications and water management.FAIRFIELD, OH
L.B. Foster CompanyEstablished in 1902, L.B. Foster Company develops and manufactures engineering solutions for rail and infrastructure, from rail-system products and monitoring technologies to precast concrete infrastructure. The Pittsburgh-based company operates 19 plants and offices worldwide with more than 1,200 employees, and its Transit Products business has designed and tested rail components since 1984. Its North American and European operations hold ISO 9001:2015 registrations, alongside specialized rail and precast-concrete certifications.PITTSBURGH, PA