Temperature Sensors
Types of Temperature Sensors: A brief summary of the two different categories of sensors, contact and noncontact with links to further details about each type
http://www.temperatures.com/sensors.html

Sensor Scientific, Inc.
Temperature sensors for all HVAC/R applications. A variety of configurations are available, including duct, water, indoor and outdoor air temperature sensors.
http://www.sensorsci.com

Southern Temperature Sensors Ltd
Manufacturer of industrial temperature sensors and accessories, components and instrumentation
http://www.southerntemp.co.uk/

Industrial Temperature Sensors Ltd.
Manufacturers of temperature sensors, thermocouples, RTDs, thermistors along with transmitters.
http://www.itsirl.com/

Temperature World
Temperature sensors, Temperature controls, Heaters, Temperature instrumentation
http://www.temperatureworld.com/shci.htm

RKC Instrument Inc.
RKC is a worldwide manufacturer of multi loop and single loop temperature controller process controller indicator control system and level meter as well as temperature sensor humidity level, pressure transducer and recorder.
http://www.rkcinst.com/english/index.html

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/

Analytical Sensors, Inc.
Quality electrochemical sensors: pH, Conductivity, ORP, Temperature, Ion Selective, Dissolved Oxygen and Solutions. Laboratory and Industrial sensors.
http://www.asi-sensors.com

Erlich Industrial Development, Corporation
The Erlich Industrial Development Corp. (EID, Corp.) home page, entry point to information about EID products and services
http://www.eidusa.com/

AB Elektronik Sachsen GmbH
Manufacture of preset and rotary potentiometers, switches, rotary switches temperature sensors, pressure sensors and fuel level sensors. From Germany.
http://www.ab-sachsen.de/