New England Union Company is a leading US manufacturer of cast bronze threaded fittings. and machined brass and bronze alloy piping/fluid handling products. Customers from major name-brand manufacturers including the US Navy rely on us to manufacture quality-assured fittings, valve bodies, flanges and custom castings.

Since our start in 1934 as a fittings manufacturer, four generations of the Petit family have applied the original innovation, ingenuity, and devotion to craftsmanship set in motion by founder Theodore J. Petit.

Today’s New England Union draws on those core principles using the latest, state-of-the-art technology, equipment, and techniques to produce quality products that meet or exceed our customers’ expectations.