Derbyshire Marine Products carries the Derbyshire family lineage into a separate Lansdale company established in 2010, following roots that began in 1986 within Derbyshire Machine and Tool Company. It is known for military-grade valves and fittings developed for U.S. Navy vessels and adapted for demanding commercial applications, backed by custom engineering and reverse-engineering support.
ISO 9001
Derbyshire Machine & Tool CoSince 1905, Philadelphia’s Derbyshire Machine & Tool Co. has made custom machined products, including its proprietary Peri-Jets, for specialized industrial and marine applications. The company pioneered CNC job-shop machining in 1967 and now works from a 30,000-square-foot facility, producing everything from prototypes to runs of several thousand. Derbyshire has supplied U.S. Navy and marine-industry customers with Level I and Sub-safe products for more than 30 years.PHILADELPHIA, PA
Fairbanks Morse DefenseWith more than a century of expertise, Fairbanks Morse Defense designs, builds, and services naval power and propulsion systems for the U.S. Navy, Coast Guard, Military Sealift Command, and Canadian Coast Guard. The company has grown beyond its roots as a naval engine supplier to provide marine technologies, OEM parts, and lifecycle support through a nationwide network of manufacturing and service sites. Its work also extends to commercial power and industrial customers, including specialized severe-duty valve solutions through Hunt Valve.SALEM, OH
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
Fairbanks Morse DefenseWith more than a century of expertise behind it, Fairbanks Morse Defense designs, builds, and services naval power and propulsion systems for the U.S. Navy, Coast Guard, Military Sealift Command, and Canadian Coast Guard. The Beloit-based company combines U.S.-made medium-speed engines with advanced marine technologies, OEM parts, and turnkey lifecycle support, backed by a nationwide service network and international partners. Its work includes additive-manufactured naval valves and rapid engine maintenance aimed at keeping fleets mission-ready.FAIRFIELD, OH