AD Metro
A D Metro, a manufacturer of touch screen / touchscreen technology
http://www.admetro.com

3M Touch Systems
Manufacturers of capacitive and resistive touch sensors, touchscreens, controllers, touch monitors and software, and industrial computers, monitors and terminals. Incorporates Dynapro and MicroTouch Systems.
http://www.3m.com/us/electronics_mfg/touch_systems/index.jhtml

Touch Screens Inc.
Touch Screens carries over 80 types of touch screen monitors, including LCD, touchcomputer, touchwindow, industrial and terminal. Our systems are perfect for restaurant POS equipment and more.
http://www.touchwindow.com/

Touch International Inc.
Touch International, a leading provider of high-quality touchs screens and touch screen components. Supplier of touch screens manufactured for OEM's, Systems Integrators, and Value Added Resellers.
http://touchintl.com

Miller Edge Safety Systems
Sensing mats, touch activated sensors, control panels for doors.
http://www.milleredge.com/

Sensorex
Sensorex quality pH Electrodes, ORP Electrodes, Conductivity Sensors, non-contacting Toroidal Conductivity Sensors, dissolved oxygen sensors, and Chlorine Dioxide Sensors. Sensorex over 30 years experience manufacturing a wide array of electrochemical sensors. Find the right sensor for your application.
http://www.sensorex.com

IFM Efector, Inc.
ifm efector - Sensors and Controls
http://www.ifmefector.com/

INFRA Electronic Sensors
Manufacturing photoelectric sensors, inductive and capacitive sensors, thru beam photoelectric sensors, magnetic and connectors. From Italy.
http://www.infrainternational.com/prodotti.htm

SIE Sensors
Manufacturers of a wide range of capacitive sensors. Many specialty sensors, including flexible, high temperature and analog capacitive sensors.
http://www.sie-sensors.com/

Touch-Plate Lighting Controls
Specializing in low voltage control system. Integration with dimmers, photo cells, occupancy sensors, time clocks and dmx and bacnet protocols.
http://www.touchplate.com/