» Aanderaa Instruments    Instruments and Sensors for Land, Sea and Air    http://www.aanderaa.com/

» Adcon Telemetry GmbH    Provide meteorological sensors, but specialty is wireless telemetry.    http://www.adcon.at/english/produkte_sensoren_en.html

» Advanced Designs Corp.    Doppler Weather Radar and Weather Data Displays, Doppler Radar, Weather Radar.    http://www.doprad.com/

» Advanced Sensing Products    ASP is a manufacturer standard PRTs, precision RTDs, and different types of thermocouples.    http://www.aspsensors.com

» AllWeatherInc    Weather sensors, environmental monitoring systems, data collection products, display and recording devices.    http://www.allweatherinc.com/

» Alltec Corp.    A manufacturer of lightning protection and grounding systems.    http://www.allteccorp.com/index.html

» Applied Technologies, Inc.    Scientific instrumentation, software, and systems for meteorological and atmospheric research.    http://www.apptech.com/

» Atmospheric Radar Systems (ATRAD)    Atmospheric Radar systems for scientific and commercial applications.    http://www.atrad.com.au/

» Axinum Innovations & Technologies    Manufacture of Siphoning Rain Gauges and Data Loggers    http://www.axinum.com

» B. K. Consimpex Meteorological Systems    Satellite remote sensing and metereological system integrators in India.    http://www.bkconsimpex.com/home.htm

» BOLTEK    A leader in affordable thunderstorm tracking technology and Lightning Detection Systems.    http://www.boltek.com/

» Belfort Instruments    Instruments include Wind, Precipitation, Temperature, Humidity, Pressure, and Visibility.    http://www.belfortinstrument.com/

» Biral    Manufacturer of visibility and present weather sensors along with other wind and precipitation sensors.    http://www.biral.com

» Campbell Scientific Ltd.    Weather monitoring products, including automated, research-grade weather stations.    http://www.campbellsci.com

» Casella CEL    Manufacturer and supplier of meteorological equipment, weather stations, rain gauges, solar equipment and wind speed and direction.    http://www.casellacel.com

» Climatronics Corp.    Meteorological systems for ambient surface and upper air weather stations and networks. Offering sensors for wind, temperature, humidity, rainfall, pressure, solar, ice, clouds and visibility.    http://www.climatronics.com/

» Coastal Environmental Systems    Coastal Environmental designs and manufactures weather stations, meteorological, environmental monitoring instrumentation, and data acquisition systems.    http://www.coastalenvironmental.com/cgi/home.php

» Columbia Weather Systems    Makers of the Capricorn weather stations. Systems include wind speed and direction, temperature, barometric pressure, humidity, rainfall, leaf wetness, solar radiation and soil moisture.    http://www.columbiaweather.com/

» Comptus Inc.    Manufacturer of meterological instruments for measuring wind, rain, snow and other weather elements.    http://www.comptus.com/

» Corr-Tek Idrometria    Environmental Monitoring: Products for Sampling and Monitoring Water    http://www.ott-hydrometry.de/web/ott_uk.nsf/id/pa_home_e.html

» DWC (Danish Wind Controller A/S)    Rugged wind sensors for critical environmental conditions.    http://www.dwc-el.dk/

» Davis Instruments Corp.    Weather instrumentation for amateur and commercial meteorologists. Introductory Flash option.    http://www.davisnet.com/

» Dynalab    Manufacturer of Meteorological sensors and Automatic Weather stations    http://www.dylab.com

» Dynamax, Inc.    Provides instruments and sensors for plant, water, environment, and hydrology.    http://www.dynamax.com

» ELBW Technology SA,    Designer and manufacturer of no moving parts Meteorological sensors    http://www.elbw.ch

» ELE International    Range of meteorological testing and monitoring equipment.    http://www.ele.com/env/int/env1.htm

» Enercorp Instruments Ltd    A Manufacturer of Pressure, Temperature, and Humidity instrumentation.    http://www.process-controls.com/enercorp/

» EnviroTech Sensors    Specialize in the design, and manufacture of sensors used in environmental and industrial settings.    http://www.envirotechsensors.com

» Environdata    Design, manufacture, and sale of weather stations and sensors.    http://www.environdata.com.au/

» FT Technologies Ltd    Manufacturers of compact, rugged, low power ultrasonic wind sensors.    http://www.fttech.co.uk/

» Fairmount Weather Systems    Manufacturer of Meteorological and Hydrological Instruments.    http://www.fairmountweather.com

» Fidelity Technologies Corp.    Line of high-precision meteorological products and systems.    http://www.fidelitytech.com/commercial.html

» Fischer    Manufactures measuring and recording instruments for meteorology and indoor climate.    http://www.fischer-barometer.de/english/index.htm

» GPSE    Provides Data Logging and Weather Station solutions to the scientific, agriculture, and construction industries.    http://homepages.ihug.co.nz/~gpse/

» GRAW Radiosondes    Develops and manufactures GPS-based radiosonde-systems for upper-air measurements    http://www.graw.de/

» Gematronik Weather Radar Systems    Doppler weather radar systems and weather data processing software.    http://www.gematronik.com/

» High Sierra Electronics    Meteorological and Hydrological Sensors and Gauges, including warning and response products and services.    http://highsierraelectronics.com

» Hovemere Ltd    Scientific instrument company specialising in Optical and Electronic Measurement Systems, for use in Research Applications.    http://www.hovemere.com/

» Hukseflux Thermal Sensors    For measurement of heat flux, thermal conductivity, thermal gradients and transfer coefficients, and particularly surface energy balance measurements in meteorology.    http://www.hukseflux.com/

» IAV Engineering    Manufacturer of the patented FlowCapt snowdrift monitoring solutions.    http://www.flowcapt.com

» IRDAM SA    Automatic weather stations, digital anemometers and other meteorological instruments and sensor systems for the naval defence industry.    http://www.irdam.ch

» Info-Electronics Systems Inc.    Supplies state-of-the-art meteorological equipment and weather briefing/forecasting systems.    http://www.info-electronics.com

» Instromet Ltd    Weather Monitoring equipment manufacture.    http://www.instromet.co.uk

» Inteltronics Instrumentation    Supplier of Meteorological Instrumentation in South Africa and Africa.    http://www.inteltronics.co.za/

» Intermountain Environmental    Carries a wide variety of meteorological system and sensors for environmental work.    http://www.inmtn.com/

» Jarek Manufacturing Limited    Rain Gauges, tipping bucket type    http://www.jarekmfg.com/

» Kipp & Zonen Corp.    A manufacture of environmental monitoring instrumentation, ISO and WMO class meteorological and solar radiation sensors and accessories.    http://www.kippzonen.com/

» Koshin Denki Kogyo Co. Ltd.    International manufacturer of individual sensors and weather systems, based in Japan.    http://www.koshindenki.com/

» LI-COR Environmental Research and Analysis    Instrumentation for the environmental sciences, including radiation sensors, infrared gas analyzers, dataloggers, light meters, and meteorological measurement systems.    http://www.licor.com/env/

» LN Industries Environmental Instrumentation    LN Industries Air pollution monitoring network equipment calibrates air pollution monitors of SO2, NO, NO2, CO, CO2, O3, hydrocarbons, BTX, NH3, H2S.    http://www.lnindustries.com/instrumentation/en/produits/environnement.html

» Lambrecht GmbH    Develops precision meteorological instruments and systems.    http://www.lambrecht.net

» Lirafort    Atmospherique pressure recorder. Displays the graph of the pressure on a screen    http://www.lirafort.com/en/

» METEK BmbH    A producer of ground based remote sensing equipment for meteorological applications    http://www.metek.de/

» Mesotech    Instruments and systems for meteorology, hydrology, and environmental monitoring    http://www.mesotech.com

» Met Engineering Limited    Procurement and supply of professional quality meteorological instrumentation, equipment and systems, and the provision of wide-ranging engineering support, worldwide.    http://www.metenguk.com/

» MeteoClima    Automatic weather stations and Data Acquisition Systems.    http://www.meteoclima.de/english/index.htm

» Meteorological Systems and Equipment    Meteorological Instruments, Manufactures Automatic Weather and Environmental Station, Services, and Maintenance.    http://www.mse-bg.com

» Meteorological measurement technology    Meteorological sensors and measurement systems: The place to start searching. Comprehensive database.    http://www.meteo-technology.com/

» MicroStep-MIS    Manufactures monitoring and information systems for a variety of disciplines including meteorology and environmental sciences.    http://www.microstep-mis.com

» Microcomm Group    Manufacturers of meteorological and environmental monitoring systems for defence, industrial, and marine applications.    http://www.microcommgroup.com/

» Middleon Solar    Builds solar and terrestrial radiation instruments including a solarimeter, pyrheliometer and net pyrradiometer    http://www.middletonsolar.com

» Mierij Meteo    Meteorological sensors and systems.    http://www.mierijmeteo.nl/

» Morcom International, Inc.    Supplies a wide range of meteorological equipment and systems.    http://www.morcom.com/

» Muir Matheson Ltd    An engineering company specializing in installation and maintenance of weather monitoring equipment    http://www.muir-matheson.com

» National Industrial Designers    Manufacturer of Hydrological, Meteorological, Rivergauging Instruments and Automatic Weatherstations.    http://members.tripod.com/~sanjay7/welcome.html

» NovaLynx Corporation    Manufacturer of weather monitoring instruments including tipping bucket rain gauges, anemometers, evaporation pans and sensors, and modular weather stations.    http://www.novalynx.com/

» Nubila SAS    Developer of meteorological software and hardware for data processing and nowcasting, including the rain gauge-disdrometer PLUDIX, based on backscattering of a MW beam by hydrometers. Italian company, site in English.    http://www.nubila.net/

» Optical Scientific, Inc.    Measurement instruments using optical technology in the areas of weather, the environment, transportation, aviation and communications.    http://www.opticalscientific.com/

» Pacific Data Systems    Meteorological instrumentation and systems, water quality, air quality, and data acquisition.    http://www.pacdatasys.com.au

» Pulsonic    Stations, sensors, and modeling software primarily for agricultural uses.    http://www.pulsonic.net/

» R. M. Young Company    Precision meteorological instruments for: Wind Speed and Direction, Temperature, Humidity, Pressure, Precipitation; Indicators and displays, Data recorders    http://www.youngusa.com

» REMTECH Inc. Home Page    Manufactures DOPPLER SODAR (Acoustic Wind Profiler), the RASS (Air Temperature Profiler) and the DOPPLER SONAR (Acoustic Doppler Current Profiler)    http://www.remtechinc.com

» Radiometrics Corporation    Radiometers to provide water vapor and temperature profiles.    http://www.radiometrics.com

» RainWise Inc.    Manufactures solar powered wireless weather stations, data loggers, rain gauges, anemometers, barometers, and thermometers    http://www.rainwise.com

» Rotronic    Line of instruments for the measurement of relative humidity, dew point, water activity and other humidity parameters.    http://www.rotronic-usa.com/

» Scientific Sales, Inc.    Offers a line of weather instruments, including wireless weather stations.    http://www.scientificsales.com/

» Scintec A.G.    Manufacturer of innovative radiowave, acoustic, and optical sensing technology for atmospheric research.    http://www.scintec.com/

» SensorScope    A new generation environmental measurement system centered on wireless sensor networks.    http://sensorscope.epfl.ch/wiki/

» Sensormetrics    Weather Instruments and Environmental Measurement Systems for Commercial and Residential applications.    http://www.sensormetrics.com/

» Sippican, Inc.    Product lines include expendable upper air oceanographic and meteorologic instrumentation and associated data acquisition systems.    http://www.sippican.com

» Skyview Systems    Skyview Systems is a UK based company, supplying meteorological, hydrological and marine instruments.    http://www.skyview.co.uk/

» Solar Light Company    Manufacturer supplying solar radiation, ozone column, and aerosol measurement systems.    http://www.solarlight.com

» Squitter Electronics    Weather monitoring products, including a full line of automated, research-grade weather stations.    http://www.squitter.com

» Sutron Corporation    Information and products to build a weather station.    http://www.sutron.com/

» TECMES Instrumentos Especiales SRL    Produces sensors, recorders and systems for hydrometeorology and agrometeorology.    http://www.tecmes.com/english/home.htm

» Technika Weather Station Central    Weather Stations in the best olde world tradition with state of the art precision technology.    http://www.technika.com/ws/wshome.htm

» Texas Electronics    Designer and manufacturer of industrial quality meteorological sensors and systems since 1957, including rain, wind, temperature, barometric pressure, humidity, controllers, data loggers, and solar radiation instruments.    http://www.texaselectronics.com/

» Texas Weather Instruments    Digital weather stations, peripherals, and related equipment.    http://www.txwx.com/

» Theodor Friedrichs GmbH    Meteorological Sensors and Systems    http://www.th-friedrichs.com/TH_Friedrichs/site/engl/index.php

» Thies Clima    Measurement instruments for meteorology, environmental protection, and industrial applications.    http://www.thiesclima.com/ind1e.htm

» Thorn Satcom Data Services    The supply and configuration of Remote Weather Stations with Meteorological Satellite Telemetry Systems and Data Collection Platforms.    http://www.thornsds.co.uk/

» UPSI Hgrometry    Humidity and Temperatuare sensors, transmitters, and probes.    http://pagesperso-orange.fr/upsi/

» US Precision Lightning Network    Provides lightning detection services    http://www.uspln.com/

» Vaisala    Manufactures electronic measurement systems and equipment for meteorology and the environmental sciences, traffic safety, and industrial applications.    http://www.vaisala.com/

» Vector Instruments    Manufacture and sales of quality, robust, and professional meteorological instruments for scientific, industrial and wind-power applications.    http://www.windspeed.co.uk/ws

» Wittich & Visser    Manufacturer of meteorological instruments and complete systems.    http://www.wittich.nl/

» Yankee Environmental Systems, Inc.    Advanced optical weather instrumentation for solar radiation and dew point humidity.    http://www.yesinc.com/