Photon Control 

Photon Control Inc. designs, manufactures, and distributes a range of optical sensors and systems to measure temperature and position. The company offers temperature probes, such as photon fiber optic temperature sensor probes, single channel converters, and multichannel temperature converters; GaAs fiber optic temperature sensors; and multipoint temperature sensors. It also provides fiber optic absolute encoders; and fiber optic incremental encoders, as well as fiber optic signaling devices. In addition, the company offers custom design, installation, training, and support services. It serves semiconductor, flat panel display, medical, energy, and research and development industries. The company was formerly known as Coldswitch Technologies Inc. and changed its name to Photon Control Inc. in 2002. Photon Control Inc. was incorporated in 1988 and is headquartered in Richmond, Canada. As of July 15, 2021, Photon Control Inc. operates as a subsidiary of 1302998 B.C. Ltd.