Hamilton Electronics Private Limited
Magnetic
http://www.hamiltonindia.com

Longvale Ltd
Products include inductive and capacitive proximity switches, limit switches, explosion proof and intrinsically safe sensors. CE marked.
http://www.longvale.co.uk/index.htm

Lamb Industries Inc.
A leading switch manufacturer since 1979. We specialize in DIP Rotary Switches, DIP Switches, Electromagnetic Switches, Float Switches, Pressure Switches, Pushbutton Switches, Rocker Switches, Rotary Switches, Safety Switches, Signal Lights, Slide Switches, Tactile Switches, Toggle Switches, and Trigger Switches.
http://www.lambind.com

Proxistor
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http://www.proxistor.com/

Judco Manufacturing Inc.
Manufacturer of push button switches, rocker switches, slide switches, toggle switches, and other custom switches. Also wire harnesses and bulb sockets.
http://www.judcomfg.com

Accent
India manufacturer of inductive and capacitive proximity switches, photoelectric sensors, and potentiometric transducers. Company overview and product descriptions.
http://www.accentsensors.com/

EMS Controls Inc.,
switchingdevices.com representing SELET sensor, Duelco safety relays, HSB control relays in the U.S.A. We are a specialist in supplying sensing, switching and control devices of the highest quality.
http://www.switchingdevices.com

Lucas Power and Control Ltd.
Information about Siemens proximity sensors and Siemens operator safety circuits
http://www.lpc-uk.com/siemens/sensors/main.htm

Selet Sensor
Manufacturer inductive and catacitive sensors, photoelectric sensors, proximity switches, digital instruments and encorders. From Italy.
http://www.selet.it/

Automation 2000
Manufactures and installs industrial safety equipment; including foot, rope and elevator switches. As well as inductive and capacitive sensors. Based in Stuttgart, Germany. Site in English and German.
http://www.automation2000.de/