P.I. Engineering Home Page
P.I. Engineering designs and manufactures X-keys user programmable keyboards, Y-mouse dual keyboard and mouse adapters, and RailDriver Train Cab Controllers. Custom engineering for computer input hardware is our specialty.
http://xkeys.com/
Backlit Keyboards with Touchpad
Computers, Hardware, Peripherals, Keyboards - Texas Industrial Peripherals. Manufactures a complete line of industrial keyboards and pointing devices that survive in dirty, dusty, and washdown environments.
https://www.ikey.com/
The Key Connection - Custom and Specialty Keyboards
The Key Connection produces and supplies custom and special needs keyboards including foreign language keyboards, large print keys for visual enhancement and for the visually impaired, custom keyboards, key labels, key caps and keyboard and other personal computer accessories.
https://customkeys.com/