Since its founding in 1910, United Brass Works has grown from a New York City steam-valve maker into a North Carolina manufacturer with more than a century in the valve industry. Its Keystone Foundry Division adds an in-house casting operation, while the company develops industrial valves and custom components for equipment makers and industrial users. ISO 9001:2015 certification covers its design and manufacturing processes.
ISO 9001:2015
certification
UL (Underwriters Laboratories)
certification
FM (Factory Mutual)
certification
ISO 9001-Registered Facility
registration
Powell ValvesFounded in 1846, Powell Valves is a Cincinnati-based industrial manufacturer whose history includes supplying valves during five wars and contributing to major national projects such as the Manhattan Project. The company serves industrial users in the United States and around the world, with custom valve modifications handled at its South Carolina facility. Its facilities maintain ISO 9001-certified quality management systems.CINCINNATI, OH
Mueller Steam SpecialtyFounded in New York City in 1956 as a specialty valve-industry manufacturer, Mueller Steam Specialty makes pipeline strainers along with check valves and butterfly valves. The company now operates more than 300,000 square feet of ISO 9001:2000-registered manufacturing space in St. Pauls, North Carolina, where its product line has grown well beyond its original strainer focus.NEW YORK, NY
Williams ValveFounded in Houston in 1918, Williams Valve manufactures rugged industrial and commercial valves for demanding heavy-industry and military applications. Its New York facility produces American-made valves, including products for U.S. Navy and Coast Guard vessels, while the company also designs custom solutions, provides in-house machining and testing, and maintains stock for faster delivery. Williams Valve is an ABS Type Approved marine manufacturer with a long-standing specialty in naval and marine service.LONG ISLAND CITY, NY
Valves OnlyWith more than two decades in the trade, Valves Only designs and manufactures industrial valves for demanding oil and gas, power, chemical, water and marine applications. Its production is handled in-house from CAE-driven design through machining, assembly and testing, with more than 2,000 valve variants supplied to customers in over 50 countries. The company operates under ISO 9001:2015 processes and reports 100% testing and full material traceability on every order.MANHATTAN, NY