Santec Holdings Corp. engages in the development, manufacture, and sale of optical components and measuring instruments. It operates in the following segments: Optical Components-related, Optical Measuring Instruments-related, and Others. The Optical Components-related segment handles the development, manufacture and sale of optical device components in optical communication systems. The Optical Measuring Instruments-related segment deals with the manufacture and sale of optical testing equipment for research institutions and medical device manufacturers. The Others segment includes system solution business. The company was founded on August 25, 1979 and is headquartered in Komaki, Japan.