Kenton Electronics
- UK specialists in MIDI to Control Voltage conversion and MIDI control.
- http://www.kentonuk.com/

Gulbransen, Inc.
- Makes products which add MIDI capabilities to acoustic pianos.
- http://www.qrsmusic.com/gulbransen

Toward an Understanding of Musical Gesture: Mapping Expressive Intention with the Digital Baton
- Thesis by Teresa Marrin looking at gestural devices as controllers for electronic sound creation.
- http://brainop.media.mit.edu/Archive/Thesis.html

Wave Idea
- Makers of the Bitstream Pro universal MIDI controller and providers of schematics and kits.
- http://www.midicontroller.com/

STEIM products: Sensorlab
- Small, general purpose, analog to MIDI interface for the prototyping of musical instruments and interactive control systems.
- http://www.steim.org/steim/sensor.html

Marimba Lumina
- Electronic MIDI controller. Includes a traditionally arrayed set of electronic bars and some (not so traditional) trigger pads and strips (reminiscent of early ribbon controllers).
- http://www.buchla.com/mlumina/index.html

Buchla Lightning II
- Specialized MIDI controller that senses the position and movement of handheld wands and transforms this information to MIDI signals.
- http://www.buchla.com/lightning/index.html

Digital Dance System
- Sensor system designed by DIEM (Danish Institute of Electroacoustic Music)
- http://hjem.get2net.dk/diem/products.html

Tactex Controls Inc.
- Makers of multi-touch, pressure sensitive input devices
- http://www.tactex.com/

MIDI Solutions Inc.
- Manufacturer of MIDI processing products.
- http://www.midisolutions.com/

The Soundbeam Project
- A device which senses movements by people standing nearby and converts them into MIDI
- http://www.soundbeam.co.uk/

Rubicon Systems
- Makers of hardware and software to turn a Palm Pilot into a MIDI controller
- http://www.rubiconsystems.co.uk/

Optimusic Light to MIDI controller
- Creates note on and off messages depending on where light beams are broken
- http://www.optimusic.com/

Buchla and Associates
- Makers of the Lightning II and Marimba Lumina controllers.
- http://www.buchla.com/

Body Synth
- Uses muscle movements to trigger MIDI events. It can be attached to any set of muscles.
- http://www.synthzone.com/bsynth.html

Chordboard
- CX10 Keyboard Controller sends out preprogrammed chords similar to "one touch" chords on a Casio Tone
- http://www.chordboard.com/

Controller Zone
- The controller page at Synth Zone
- http://www.synthzone.com/ctrlr.htm

Infusion Systems
- Makers of the I-CubeX MIDI sensor control interface
- http://www.infusionsystems.com/