Columbia Weather Systems Inc.
Science, Earth Sciences, Meteorology, Instruments - Columbia Weather Systems. Makers of the Capricorn weather stations.
https://columbiaweather.com/
R. M. Young Company
Science, Earth Sciences, Meteorology, Instruments - R. M. Young Company. Precision meteorological instruments for: Wind Speed and Direction, Temperature, Humidity, Pressure, Precipitation.
https://www.youngusa.com/
NovaLynx Corporation - Professional Quality Meteorological Instruments and Weather Stations
NovaLynx is a manufacturer of professional quality weather monitoring instruments and systems, including a complete line of tipping bucket rain gauges, standard raingauges, anemometers and wind vanes, Class A evaporation pans and sensors, and modular weather stations. We distribute sensors and systems ranging from drum recording instruments, such as hygrothermographs and barographs, to electronic data acquisition technologies.
https://www.novalynx.com/
Weather Instruments by Texas Weather Instruments, Inc.
Texas Weather Instruments (TWI) Manufacurs a complete line of weather stations which can include, anemometer, humidty, temperature, solar radiation, rain, barometric pressure, lightning, leaf wetness sensors and wireless.
http://www.txwx.com/
Met Engineering Limited
Met engineering UK provide multi-skilled engineers specialising in meteorological instrumentation.
http://www.metenguk.com/
Advanced optical weather instrumentation for solar radiation and dew point humidity.
Environmental instrumentation for solar radiation, temperature, dew point humidity moisture, rain or snow precipitation and winds at the surface or in the upper air region. Advanced technology provides accurate measurements in harsh remote locations. Supply hygrometer, hygrometers, humidity, dew point, moisture, chilled mirror hygrometer, CMH, water vapor, rain, snow, pyranometer, radiometer, spectroradiometer, sun photometer, meteorological, thermometer, radiation, infrared, visible, solar, UVA, UVB, UV-B sensors. Formaldehyde and hydrogen peroxide analyzers
http://www.yesinc.com/