Zygo Corporation designs, manufactures and distributes high-end optical systems and components for metrology and end user applications. The company maintains a work force of more than 500 employees. Zygo Corporation has achieved ISO 9001:2000 certification. The company publishes online annual reports to provide information about its financial position for investors. Zygo Corporation provides engineering and assembly services. The company undertakes several research and development activities. Zygo Corporation offers laser interferometer, surface profilers and semiconductor systems. The company operates the Metrology Solutions Division, which is one of the leading providers of process control and production tools for precision machining and photovoltaic applications worldwide. Zygo Corporation also serves the life science and defense industries.