ILM Tool Incorporated is a provider of full-service manufacturing, computer numerical control (CNC) machining, assembly and clean room facilities. Established in 1981, the firm specializes in precision machining and complete assembly capabilities. ILM Tool Incorporated handles prototype to complete production orders. It serves to major markets, such as biotech, semiconductor, disc drive, instrumentation, laser, robotics and transportation security systems. Based in Hayward, Calif., ILM Tool Incorporated caters to clients throughout California and the United States.