Protocast JLC Employee Directory
Industrial Machinery ManufacturingCalifornia, United States2-10 Employees
Protocast JLC is a small industrial machinery manufacturer based in Chatsworth, California. The company provides precision investment casting and CNC machining services for aerospace, medical, communications, defense, and other commercial markets, working with both nonferrous and ferrous metals. It also maintains in-house 3D printing capabilities and is ITAR registered and AS9100 certified, with all parts produced in the United States, tracing its origins to 1966. Its customers span aerospace, defense, medical, communications, and other commercial sectors that require high-precision, compliant components. Together, the company's casting, machining, and additive capabilities support complex geometries and stringent specifications, with all production taking place in the United States.