The Industrial Mouse? is how CTI Electronics Corporation came to be over 30 years ago. CTI manufactures reliable, rugged human-machine interface devices that are able to withstand extreme temperature ranges, resistant to chemicals, and sealed from exposure to contaminants. Their human-machine interface devices are available in commercial lines (COTS), military, and a variety of other industries. CTI’s commercial devices include industrial keyboards, mouse pointing devices, analog joysticks, trackballs, motion controllers, and NEMA 4 (IP66) momentary switches.