Penn Machine

Penn Machine is a U.S. manufacturer of high-quality forged steel pipe fittings, branch connections, and specialty piping components engineered for demanding industrial applications. Founded in 1931, Pennsylvania Machine Works offers an extensive selection of forged shape fittings, bar fittings, branch connections, pipe nipples, swages, reducers, couplings, unions, caps, plugs, bushings, adapters, elbows, tees, crosses, and custom-machined fittings. Its branch connection portfolio includes Weldolets, Sockolets, Threadolets, and other specialized outlet configurations manufactured in carbon steel, stainless steel, alloy steel, and non-ferrous materials. Penn Machine products support critical piping systems in petrochemical, LNG, nuclear power, utilities, wastewater treatment, data centers, marine, steel, and shipbuilding applications. With U.S.-based machining, extensive raw-material inventory, full material traceability, custom machining capabilities, ISO 9001:2015 certification, in-house PMI testing, and 24/7 emergency customer support, Penn Machine combines nearly a century of manufacturing expertise with the quality, responsiveness, and technical capabilities required for critical piping systems—“Manufactured. Verified. Trusted.”