- Comus International is a leading manufacturer of tilt and tip-over switches, motion/vibration sensors, reed switches, reed relays, solid state relays, proximity sensors, float switches and a wide variety of custom turnkey sensors. Success of our product growth and offering has been built with an excellent reputation for quality and service. Comus has evolved into a world leader in the design, development and manufacture of a wide variety of sensors and sensor-related products. Applications are found in such diverse market segments as medical, automotive, white goods, alarm and security, and military/aerospace.