AB&I Foundry manufactures cast iron soil pipe and fittings for drain, waste, and vent (DWV) plumbing systems. Founded in 1906 in Oakland, California, it relocated manufacturing to Texas in 2022 and operates as part of the McWane Plumbing Group, with a long-standing specialty in code-compliant DWV cast iron.
Acorn Engineering Company manufactures heavy-gauge stainless steel plumbing fixtures, hand-washing stations, commercial sinks, showers, and security fixtures for institutional and commercial markets. Headquartered in City of Industry, California, it is a division of Morris Group International and specializes in correctional and ligature-resistant plumbing.
Armacell is a global manufacturer of flexible elastomeric foam insulation (ArmaFlex) and engineered foams for mechanical, HVAC/R, and industrial applications. Headquartered in Luxembourg with North American operations in Chapel Hill, North Carolina, the company invented flexible foam equipment insulation.
Arrowhead Brass & Plumbing manufactures lead-free brass hose bibs, sillcocks, wall hydrants, and irrigation valves, headquartered in Los Angeles, California. Founded in 1936, the company merged with Champion Irrigation in 2006, specializing in American-made rough plumbing and lawn irrigation products.
ASC Engineered Solutions manufactures precision pipe joining products, valves, fittings, and fire protection systems, headquartered in Exeter, New Hampshire. Formed from the 2019 merger of Anvil International and Smith-Cooper International, ASC owns notable brands including Anvil, Gruvlok, FlexHead, Sharpe, and WardFlex.
Axiom Industries manufactures specialty products for closed-loop hydronic heating and cooling systems, headquartered in Saskatoon, Saskatchewan, Canada. Their product line includes system feeders, expansion tank brackets (HydroNODE), condensate neutralizers, demineralizers, and chemical bypass feeders for commercial and residential hydronic applications.
A.Y. McDonald Mfg. Co. is a manufacturer of waterworks, plumbing, and natural gas distribution products, including brass valves, fittings, and pumps. Headquartered in Dubuque, Iowa since 1856, it is one of the oldest continuously operating brass foundries in the United States.
Barry E. Walter Sr. Company is an American manufacturer of replacement plumbing parts and specialty items, based in Fort Morgan, Colorado. Founded in 1986 and family-operated, the company produces 14,000+ unique lead-free certified parts via CNC turning, Swiss-style machining, and milling, supplying plumbing wholesalers nationwide.
Bemis Manufacturing is America's leading toilet seat manufacturer, headquartered in Sheboygan Falls, Wisconsin. Founded in 1901, the family-owned company also produces custom injection-molded plastics, medical sharps containers, and bidet seats under brands including Bemis, Mayfair, Bio Bidet, and Olsonite.
Bradley Corporation is the leading manufacturer of commercial plumbing fixtures, washroom accessories, partitions, lockers, and emergency safety fixtures. Headquartered in Menomonee Falls, Wisconsin, the 90-year-old company is known for innovations like the multi-user Verge lavatory system.
BrassCraft Manufacturing produces high-quality plumbing products including water supplies, gas connectors, stops, and fittings for new construction and repair markets. Headquartered in Novi, Michigan, the Masco-owned company has been a professional plumber's choice for nearly 70 years, with U.S. manufacturing in Texas, California, and North Carolina.
Caleffi Hydronic Solutions manufactures components for hydronic heating and cooling, plumbing, heat metering, and renewable energy systems. The North American subsidiary is headquartered in Milwaukee, Wisconsin (parent in Italy), and is known for its idronics technical journal and award-winning balancing and mixing valves.
Cambridge-Lee Industries manufactures and distributes copper tube and metal products for plumbing, HVAC, refrigeration, and industrial markets. Headquartered in Reading, Pennsylvania since 1939, the company specializes in copper plumbing tube, ACR/medical gas tubing, yellow gas lines, and architectural copper sheet.
Camco Manufacturing is a leading aftermarket parts and accessories maker for the outdoor recreation market, serving RV, marine, ATV, and camping segments. Founded in 1966 and headquartered in Greensboro, North Carolina, Camco offers over 4,000 products including TastePURE water filters and RV plumbing/sanitation supplies.
Canature WaterGroup is a global manufacturer of residential and commercial water treatment systems, including water softeners, reverse osmosis, UV, and filtration products. Headquartered in Regina, Saskatchewan, Canada, with U.S. operations in Whitestown, Indiana, the company sells exclusively through plumbing wholesalers and independent water dealers.
Canfield Technologies has manufactured solders, fluxes, and brazing alloys for the plumbing, industrial, and electronics industries since 1844. Headquartered in Sayreville, New Jersey, where all products are made in the USA, the company is known for its 100% Watersafe lead-free plumbing solders and ISO 9001:2015 certified manufacturing.
Centennial Plastics manufactures polyethylene (PE/HDPE) pipe for geothermal exchange, potable water, turf irrigation, natural gas, and HDPE conduit applications. Headquartered in Hastings, Nebraska, with a second plant in Nampa, Idaho, the ISO 9001 certified company produces 100% American-made pipe meeting Build America, Buy America requirements.
Centoco is one of the largest toilet seat manufacturers in North America and the only toilet seat manufacturer in Canada. Founded by the Toldo family in 1980 and headquartered in Windsor, Ontario, with a U.S. facility in McCrory, Arkansas, it pioneered polypropylene injection-molded seats and the patented Centocore co-injected wood seat technology.
Charlotte Pipe and Foundry is a family-owned American manufacturer producing both cast iron and plastic (PVC, CPVC, ABS, FlowGuard Gold, ChemDrain) pipe and fittings for plumbing, drainage, pressure, and irrigation applications. Founded in 1901 and headquartered in Charlotte, North Carolina, it operates eight U.S. plants.
Copperfit Industries is a family-owned plumbing supply manufacturer and distributor headquartered in Pomona, California with a Houston branch. Founded in 1999, the company offers 17 product categories including copper and brass fittings, press copper, push-to-connect fittings, PEX, valves, and DWV fittings across 300,000+ sq. ft. of facilities.
Dahl Valve Limited is a family-owned Canadian manufacturer of premium plumbing valves and fittings, headquartered in Mississauga, Ontario and incorporated in 1952. Dahl pioneered the quarter-turn mini-ball supply stop valve in North America in 1984 and is known for stop valves, compression stops, and radiator valves backed by a lifetime warranty.
Diablo Tools manufactures premium cutting tools and power-tool accessories — circular saw blades, reciprocating blades, hole saws, diamond blades, and oscillating multi-tool blades — for professional tradespeople. A division of Freud America (owned by Robert Bosch Tool Corporation since 2009), the brand is headquartered in High Point, North Carolina.
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Duratrac Inc. is a division of Elbi of America specializing in flexible stainless-steel gas connectors, gas valves, water connectors, and thermal expansion/hydronic/well tanks under the BackStop brand. Their flexible hoses are tested to withstand over 25 times the required PSI and carry a three-year warranty.
Eastman is a plumbing brand specializing in appliance installation products — water heater connectors (Steel-Flex and WaterFlex lines), gas connectors, supply lines, stop valves, drain hoses, and expansion tanks. Eastman was acquired by EZ-FLO International, which was acquired by Reliance Worldwide Corporation (RWC) in 2021, headquartered in Atlanta, Georgia.
Ebbe America manufactures premium tile shower drains, including square point drains, linear drains (INNI), and tile-in rough-ins, headquartered in the Salt Lake City area, Utah. With over 20 years of innovation, the company is noted for its 100% forged brass Legacy drains and multiple decorative finish options.