High Pressure Forged Fittings

Pennsylvania Machine Works


Partnering with management to grow leading niche manufacturer of forged fittings and related products

Pennsylvania Machine Works, LLC, headquartered in Aston, Pennsylvania, is a fully integrated manufacturer of high pressure forged fittings and branch connections that are sold into downstream oil & gas, petrochemical, LNG, industrial and shipbuilding end markets. Founded in 1931, Penn has established itself as the industry leader for quick lead times, comprehensive manufacturing capabilities and high-quality products. Supported by its forging facility in Swedesboro, NJ and two machine shops in Aston, PA and Houston, TX, Penn is well positioned to meet the dynamic needs of its customers.


Wynnchurch invested in Pennsylvania Machine Works in January 2020.


Penn represented an opportunity to acquire a well-positioned manufacturer with a differentiated business model serving attractive end markets.


Wynnchurch and management are driving both organic and inorganic growth by expanding into new products to provide a more comprehensive, value-added portfolio to its customer base.