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/

Rotronic
Instruments for the measurement of humidity, dew point, water activity and temperature and for mold prevention
http://www.rotronic-usa.com/

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

Nigo- elektronik
Manufacturer of wood dryers, temperature and humidity controllers and various equipment for measurement and control.
http://www.nigos.co.yu

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

Asec Solutions
Transducers and instrumentation for the measurement of physical parameters like Load, Pressure, Vacuum, and Humidity.
http://www.asecsolution.com

Dickson
Find data loggers, chart recorders, temperature alarms plus other data monitoring products for your specific work applications from Dickson.
http://www.dicksondata.com/

Rotronic
Instruments for the measurement of humidity, dew point, water activity and temperature and for mold prevention
http://www.rotronic-usa.com

Fluidic Ltd.
Process Instrumentation solutions and assembly panels for HVAC and Industrial environments, including pressure, level, flow, humidity, dewpoint, carbon dioxide and temperature control
http://www.fluidic-ltd.co.uk/

FlowKinetics LLC
Manufacture a range of micro-processor based instruments for pressure, temperature, relative humidity and velocity measurement.
http://www.flowkinetics.com