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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Diplex Instruments
- Manufacture, import and distribute meteorological and scientific instruments. Specialist in thermometers.
- http://www.diplexinstruments.co.uk

Pulsonic
- Meteorological Instruments - agriculture modelisation software
- http://www.pulsonic.net/PULSONIC_WEB/UK/PAGE_ACCEUIL.htm

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Fairmount Weather Systems
- Manufacturer of Meteorological & Hydrological Instruments.
- http://www.fairmountweather.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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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/

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/

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

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/

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

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

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

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/

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

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/

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

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

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/

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/

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

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

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

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

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/

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