Founded by Rudolph Prieto and his son Bob with a single garage machine in 1978, Prieto Machine Company is a family-owned Philadelphia-area shop producing ultra-high-precision CNC-machined components for OEM, medical-device, aerospace and other demanding customers. Its 11,000-square-foot operation combines multi-axis turning and five-axis milling with engineering support for prototype and production work. Prieto is AS9100D registered and ISO 9001:2015 certified, and remains under family leadership with Bob’s sons involved in the business.
AS9100D
registration
ISO 9001:2015
certification