General Eastern Instruments
GE Sensing is an industry leader in design & manufacture of sensing instruments & devices that measure temperature, pressure, liquid level, humidity, gas concentration & flow for customer's critical applications. Products include Flow Meters, hygrometers, pressure sensors, calibrators, moisture meters & other measuring instruments.
http://www.generaleastern.com/

Shinyei
Innovators of Sensing Solutions
http://www.shinyei.com/

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

UPSI Hgrometry
UPSI manufactures and sells capacitive humidity, temperature sensors, microsytems and measuring electronic systems.
http://pagesperso-orange.fr/upsi/

Sencera Company Ltd.
We are a leading Relative humidity sensor and Resistive humidity sensor manufacturer specialized in Relative humidity sensor, Resistive humidity sensor, Car temperature, Air pressure sensor, Car parking and backup sensor, Gas and Knock sensor, and Motion, System sensor.
http://www.sensorelement.com

HUMIREL sa
Humirel designs and manufactures capacitive sensors, systems and modules for relative humidity and temperature measurement.
http://www.humirel.com/

SKKY Science Technology Co., Ltd.
Design and manufactur sensors and transducers: gas, humidity, tension, etc.
http://exp.skky.com.cn/

GE Sontay UK
UK based temperature sensors and relative humidity equipment manufacturers and suppliers.
http://www.sontay.com/

Atmos Engineering
Manufactures digital-output barometric pressure, tilt and humidity sensors.
http://www.atmos.com

E. and E. Elektronik
Messtechnik für Feuchte, Taupunkt, Luftgeschwindigkeit, Strömung, CO2, Temperatur und Kalibration
http://www.epluse.com/