GC International is a precision CNC machine shop and foundry specializing in producing precision aluminum and zinc parts through machining or casting using a Rubber/Plaster Mold (RPM) process. They offer services for parts ranging from a few ounces up to twenty pounds with tight tolerances and quick turnaround. The company also provides additional services such as quality assurance and holds certifications including AS9100D, ISO9001, ITAR, NIST 800, and ISO140001. GC International's history dates back to the development of the RPM process in 1954, and they have expanded their capabilities to include CNC machining, serving various markets and accelerating lead times with rapid prototype patterns.