Since 1990, Guild Optical Associates Inc. has been one of the leaders in the fabrication of custom Sapphire Optical components. The company s product list includes windows, lenses, special shapes and metalized optics for hermetic sealing applications. Guild Optical Associates Inc. serves many industries, including the aerospace, automotive, medical and process monitoring industries. The company also specializes in the precision fabrication of custom optical components. It also offers mirrors, filters and custom shapes of all types for optical and non-optical applications.