Morcom International, Inc. - Supplies a wide range of meteorological equipment and systems.

Rotronic - Line of instruments for the measurement of relative humidity, dew point, water activity and other humidity parameters.

Gematronik Weather Radar Systems - Developer and manufacturer of doppler weather radar systems and weather data processing software.

RainWise Weather Stations and Instruments - Manufactures weather instruments.

Richard Paul Russell Limited - Information on the Kestrel hand-held anemometer instruments.

Weather Information Systems - Offers digital and analog weather stations.

THORN Satcom Data Services - Satellite data reception and environmental data collection products.

ELE International - Range of meteorological testing and monitoring equipment.

WNI - Weather Instrumentation - A systems integrator for industrial quality weather monitoring systems.

Scientific Sales, Inc. - Offers a line of weather instruments, including wireless weather stations.

Scintec AG - Manufacturer of instruments for atmospheric research.

Gadgets & Gizmos - Davis Instruments home weather stations and related accessories.

Weather Systems Company - Sells and installs weather stations, instruments, and sensors.

Meteorological measurement technology - Meteorological sensors and measurement systems: The place to start searching. Comprehensive database.

Anemometers Inc. - Manufacturer of anemometers.

Stormwise - Lightning detectors and lightning sensors. Experimental tornado detection software. Portable lightning detectors. Geiger counters.

Weather instruments - Instruments for measuring wind speed, temperature, relative humidity, windchill and heat index.

Weather Warehouse - Meteorological instruments, anemometers, weather stations, rain collectors, wind speed indicators and sensors for the amateur to professional meteorologist.

Robert E. White Instruments, Inc. - Stocks hundreds of weather instruments.

Yankee Environmental Systems, Inc. - Advanced optical weather instrumentation for solar radiation and dew point humidity.

Skyview Systems - Skyview Systems is a UK based company, supplying meteorological, hydrological and marine instruments.

Meteorological Engineering Limited - Builds meteorological systems and supplies weather-related instrumentation.

Radian Electronic Systems Windprofiler - Instruments and services for meteorological profiling of the atmosphere, including boundary layer and tropospheric systems based on radar, acoustic, and GPS technologies.

Hukseflux Thermal Sensors - For measurement of heat flux, thermal conductivity, thermal gradients and transfer coefficients, and particularly surface energy balance measurements in meteorology.

Campbell Scientific Ltd. - Professional weather monitoring products.

Remote Automated Weather Stations (RAWS) - Information about the use of these units from the U.S. Department of the Forest Service and BLM.

Thies Clima - Measurement instruments for meteorology, environmental protection and industry.

Hovemere Ltd - Scientific instrument company specialising in Optical and Electronic Measurement Systems, for use in Research Applications.

Texas Weather Instruments, Inc. - Manufacurer of a complete line of weather stations, including wireless type.

TempestBase - Weather log program. Win3 shareware.

Texas Electronics - Designer and manufacturer of a line of industrial quality meteorological sensors and systems.

Davis Instruments Corp. - Weather instrumentation for amateur and commercial boaters, farmers, meteorologists, hobbyists.

NovaLynx - Manufacturer and distributor of instruments and systems for weather and water monitoring.

R. M. Young Company - Precision meteorological instruments for: Wind Speed and Direction, Temperature, Humidity, Pressure, Precipitation; Indicators and displays, Data recorders

Met One Instruments, Inc. - Designer and manufacturer of a line of meteorological and particulate monitoring instruments.

Weather Instruments from Accents of Nature - Whether for a burgeoning young scientist or an avid weather enthusiast, our weather instruments keep you in touch with the ever-changing forces of nature.

Applied Technologies, Inc. - Manufacturer and supplier of scientific instrumentation, software, and systems for meteorological and atmospheric research.

Coastal Environmental Systems - Weather stations for hazmat, agricultural, forestry, aviation, shipboard, portable, permanent, and general purpose use.

Optical Scientific, Inc. - Measurement instruments using optical technology in the areas of weather, the environment, transportation, aviation and communications.

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.

MetCon - (meteorology consult, inc) - instruments for atmospheric research.

Qualimetrics Inc. - A source of weather sensors, environmental monitoring systems, data collection products, and display and recording devices.

Vaisala Inc. - Instruments for the measurement of meteorological parameters in environmental and industrial applications.

Kipp & Zonen Corp. - A manufacture of environmental monitoring instrumentation, ISO and WMO class meteorological and solar radiation sensors and accessories.

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.

GRAW Radiosondes - Developes and manufactures GPS-based radiosonde-systems for upper-air measurements

AeroVironment Inc. - Atmospheric Systems business develops, manufactures and sells a line of acoustic sensing products. The flagship products are the SODARs.

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.

Weather Graphics Technologies - Forecasting products and home of software titles such as Digital Atmosphere and Weathergraphix.

LN Industries SA - Groupe - LN INDUSTRIES, provides equipment for calibration within air pollution monitoring of SO2, NO, NO2, CO, CO2, O3, hydrocarbons, BTX, NH3, H2S.

Wooden Screens - Maker of weather stations (Stevenson Screens) for the British Met Office.

Belfort Instruments - Offer a variety of weather instruments for the measurement of Wind, Precipitation, Temperature, Humidity, Pressure, and Visibility.