Explore the full portfolio of McWane Plant & Industrial (MPI) brands—your single-source solution for American-made valves, pipes, fittings, and flow control systems. From industry leaders like Kennedy Valve, McWane Ductile, and Tyler Union, to specialized manufacturers such as Waterman, Clear Water Manufacturing, and Tri-Seal, MPI delivers best-in-class quality, predictable lead times, and proven performance across water, wastewater, and industrial applications. Backed by a nationwide team of experts, MPI’s integrated product lineup ensures streamlined project support from concept to completion—making it the trusted partner for critical infrastructure and utility projects across the U.S.
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Clear Water Manufacturing
Cear Water Manufacturing, a McWane Plant & Industrial brand, is a leading U.S. manufacturer and distributor of high-quality ductile iron and steel pipe fabrications for water and sewer treatment facilities. Clear Water delivers a wide range of products including fabricated ductile iron pipe, grooved pipe, swivel anchor couplings, wall pipes, filler flanges, and custom steel vent fabrications. Backed by over 500 years of combined industry expertise, Clear Water’s solutions are engineered for durability, precision, and compliance with the most demanding municipal and industrial specifications—making it a trusted partner for infrastructure projects nationwide.
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Clow Valve Company
Clow Valve Company, a proud member of the McWane family of companies, is a leading U.S. manufacturer of high-quality waterworks valves and fire hydrants for municipal water and wastewater systems. With manufacturing facilities in Oskaloosa, Iowa and Corona, California, Clow produces a full line of resilient wedge gate valves, butterfly valves, check valves, and eccentric plug valves—all engineered to meet AWWA standards and AIS/BABA compliance. Founded in 1878, Clow has a long-standing legacy of innovation and reliability in the water infrastructure industry, with products cast and assembled in the U.S. and stocked nationwide for fast delivery.
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Kennedy Valve
Kennedy Valve, a trusted name since 1877, is a global leader in high-performance valve solutions for water treatment, wastewater management, and industrial applications. Renowned for durability and precision, Kennedy offers a comprehensive range of valves—including gate valves, butterfly valves, plug valves, and rotating disc gate valves—engineered to meet AWWA standards and exceed industry expectations. With automation-ready options and advanced actuator compatibility, Kennedy valves ensure reliable flow control and system integrity. Discover how Kennedy Valve’s innovative technologies and proven performance make it the preferred choice for engineers and operators worldwide.
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M&H Valve Company
M&H Valve Company, a McWane brand founded in 1854, is a premier U.S. manufacturer of high-performance valves and hydrants for the waterworks industry. Operating from its state-of-the-art foundry in Anniston, Alabama, M&H produces a comprehensive range of AWWA-compliant products including resilient wedge gate valves, butterfly valves, check valves, and eccentric plug valves. With AIS/BABA-compliant solutions ideal for taxpayer-funded infrastructure projects, M&H ensures quality and reliability through in-house casting and machining. Their proximity to MPI’s Calera distribution center enables fast, efficient delivery—making M&H Valve a trusted partner for water treatment, wastewater, and distribution systems nationwide.
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McWane Ductile
McWane Ductile is a leading U.S. manufacturer of high-quality ductile iron pipe solutions engineered for municipal, utility, and industrial water and wastewater systems. Offering a full range of straight and fabricated pipe from 3" to 48" in diameter, McWane Ductile delivers AWWA/ANSI-compliant products with advanced joint systems like Tyton®, TR Flex®, and mechanical joints. With a broad selection of linings, coatings, and specialty fittings, McWane Ductile supports every stage of your project—from CAD drawings and submittal packages to on-time delivery and installation efficiency. Trusted for durability, precision, and performance, McWane Ductile is your go-to partner for infrastructure excellence.
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Tri-Seal
Tri-Seal, a McWane Plant & Industrial brand, is a premier U.S. manufacturer of high-performance butterfly valves engineered for critical service applications across power generation, marine, industrial, and Navy shipyard sectors. With a legacy dating back to the 1960s and a product line rooted in the original Quarter-Flex valve, Tri-Seal continues to deliver American-cast, machined, and tested valves that meet AIS/BABA compliance standards. Offering resilient-seated, soft-seat, fire-safe, and metal-seat options, Tri-Seal valves ensure bubble-tight, bidirectional shutoff under full-rated pressure. Trusted by OEMs, engineers, and contractors, Tri-Seal is synonymous with durability, precision, and unmatched customer support in demanding flow control environments.
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Tyler Union
Tyler Union, a trusted McWane Plant & Industrial brand, is a global leader in manufacturing high-quality ductile iron pipe fittings and joint restraints engineered for waterworks and treatment plant applications. With a legacy of excellence and fully owned foundries, Tyler Union offers a comprehensive range of ANSI/AWWA-compliant products—including mechanical joint fittings (C110 and C153), flanged fittings, push-on fittings, and Tufgrip™ restraint systems—designed for durability, corrosion resistance, and long service life in demanding environments. Backed by exceptional customer service and rapid delivery capabilities, Tyler Union is the go-to source for reliable, American-made infrastructure solutions.
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Waterman
Founded in 1912, Waterman is a leading U.S. manufacturer of precision-engineered water control gates and valves for water treatment, wastewater, headworks, and industrial applications. With all products designed, fabricated, and tested in state-of-the-art U.S.-based facilities, Waterman delivers unmatched quality, fast lead times, and tailored solutions for complex infrastructure needs. Its extensive product line includes AWWA-rated stainless steel, aluminum, and cast iron slide gates, radial gates, butterfly valves, tide gates, stop logs, and telescoping valves—each adaptable to manual or automatic actuation. Trusted by engineers, utilities, and contractors nationwide, Waterman is the go-to source for durable, high-performance flow control systems
