Operating from Pennsylvania since 1982, John Prosock Machine, Inc. makes custom CNC-machined parts and supports projects from prototype through production and assembly. The company grew from John Prosock’s basement into a 9,000-square-foot facility, with particular depth in tight-tolerance work and short lead times across complex industrial applications. John Prosock Machine is ISO 9001:2015 certified and maintains a customer-service approach built around lasting business relationships.
ISO 9001:2015
certification