| Aanderaa Instruments: Instruments and Sensors for Land, Sea and Air |
| Adcon Telemetry GmbH: Provide meteorological sensors, but specialty is wireless telemetry. |
| Advanced Designs Corp.: Doppler Weather Radar and Weather Data Displays, Doppler Radar, Weather Radar, Doppler, Radar |
| Advanced Sensing Products: ASP is a manufacturer standard PRTs, precision RTDs, and different types of thermocouples. |
| Alltec Corp.: A manufacturer of lightning protection and grounding systems. |
| AllWeatherInc: A source of weather sensors, environmental monitoring systems, data collection products, and display and recording devices. |
| Applied Technologies, Inc.: Manufacturer and supplier of scientific instrumentation, software, and systems for meteorological and atmospheric research. |
| Atmospheric Radar Systems (ATRAD): Atmospheric Radar systems for scientific and commercial applications. |
| Axinum Innovations & Technologies: Manufacture of Siphoning Rain Gauges and Data Loggers |
| B. K. Consimpex Meteorological Systems: Satellite remote sensing & metereological system integrators in India. |
| Belfort Instruments: Offer a variety of weather instruments for the measurement of Wind, Precipitation, Temperature, Humidity, Pressure, and Visibility. |
| BOLTEK: A leader in affordable thunderstorm tracking technology and Lightning Detection Systems. |
| Campbell Scientific Ltd.: Professional weather monitoring products, including a full line of automated, research-grade weather stations. |
| Casella CEL: Manufacturer and supplier of meteorological equipment, weather stations, rain gauges, solar equipment and wind speed and direction. |
| 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. |
| Coastal Environmental Systems: Coastal Environmental designs and manufactures weather stations, meteorological, environmental monitoring instrumentation, and data acquisition systems. |
| 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. |
| Comptus Inc.: Manufacturer of meterological instruments for measuring wind, rain, snow and other weather elements. |
| Corr-Tek Idrometria: Environmental Monitoring: Products for Sampling and Monitoring Water |
| Davis Instruments Corp.: Weather instrumentation for amateur and commercial boaters, farmers, meteorologists, hobbyists. Introductory Flash option. |
| Diplex Instruments: Manufacture, import and distribute meteorological and scientific instruments. Specialist in thermometers. |
| DWC (Danish Wind Controller A/S): Rugged wind sensors for critical environmental conditions. |
| Dynalab: Manufacturer of Meteorological sensors and Automatic Weather stations |
| Dynamax, Inc.: Provides instruments and sensors for plant, water, environment, and hydrology. |
| E+E Elektronik: Humidity and temperature transmitters, sensors, and data loggers that can be used for meteorology. |
| ELBW Technology SA,: Designer and manufacturer of no moving parts Meteorological sensors |
| ELE International: Range of meteorological testing and monitoring equipment. |
| Enercorp Instruments Ltd: A Manufacturer of Pressure, Temperature, and Humidity instrumentation. |
| Environdata: Design, manufacture, and sale of weather stations and sensors. |
| EnviroTech Sensors: Specialize in the design, and manufacture of sensors used in environmental and industrial settings. |
| Fairmount Weather Systems: Manufacturer of Meteorological & Hydrological Instruments. |
| Fidelity Technologies Corp.: Line of high-precision meteorological products and systems. |
| Fischer: Manufactures measuring and recording instruments for meteorology and indoor climate. |
| FT Technologies Ltd: Manufacturers of compact, rugged, low power ultrasonic wind sensors. |
| Gematronik Weather Radar Systems: Developer and manufacturer of doppler weather radar systems and weather data processing software. |
| GPSE: Provides Data Logging and Weather Station solutions to the scientific, agriculture, and construction industries. |
| GRAW Radiosondes: Develops and manufactures GPS-based radiosonde-systems for upper-air measurements |
| High Sierra Electronics: Meteorological & Hydrological Sensors & Gauges, including warning & response products and services. |
| Hovemere Ltd: Scientific instrument company specialising in Optical and Electronic Measurement Systems, for use in Research Applications. |
| Hukseflux Thermal Sensors: For measurement of heat flux, thermal conductivity, thermal gradients and transfer coefficients, and particularly surface energy balance measurements in meteorology. |
| IAV Engineering: Manufacturer of the patented FlowCapt snowdrift monitoring solutions. |
| Info-Electronics Systems Inc.: Supplies state-of-the-art meteorological equipment and weather briefing/forecasting systems. |
| Instromet Ltd: Instromet Ltd. - Manufactures wind sensors |
| Inteltronics Instrumentation: Supplier of Meteorological Instrumentation in South Africa and Africa. |
| Intermountain Environmental: Carries a wide variety of meteorological system and sensors for environmental work. |
| IRDAM SA,: Manufacturer of digital - no moving parts - meteorological instruments and sensor systems. |
| Jarek Manufacturing Limited: Rain Gauges, tipping bucket type |
| Kipp & Zonen Corp.: A manufacture of environmental monitoring instrumentation, ISO and WMO class meteorological and solar radiation sensors and accessories. |
| Koshin Denki: International manufacturer of individual sensors and weather systems, based in Japan. |
| Lambrecht GmbH: Develops precision meteorological instruments and systems. |
| LI-COR Environmental Research and Analysis: Instrumentation for the environmental sciences, including radiation sensors, infrared gas analyzers, dataloggers, light meters, and meteorological measurement systems. |
| Lirafort: Atmospherique pressure recorder. Displays the graph of the pressure on a screen |
| 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. |
| Mesotech: Instruments and systems for meteorology, hydrology, and environmental monitoring |
| Met Engineering Limited: Procurement and supply of professional quality meteorological instrumentation, equipment and systems, and the provision of wide-ranging engineering support, worldwide. |
| Met One Instruments, Inc.: Designer and manufacturer of a line of meteorological and particulate monitoring instruments. |
| METEK BmbH: A producer of ground based remote sensing equipment for meteorological applications |
| Meteo-Market: Webshop of meteorological instruments. Thermometer-rain gauges, wind indicators and sensors, barometers. |
| Meteorological measurement technology: Meteorological sensors and measurement systems: The place to start searching. Comprehensive database. |
| Meteorological Systems and Equipment: Meteorological Instruments, Manufactures Automatic Weather and Environmental Station, Services, and Maintenance. |
| Microcomm Group: Manufacturers of meteorological and environmental monitoring systems for defence, industrial, and marine applications. |
| MicroStep-MIS: Manufactures monitoring and information systems for a variety of disciplines including meteorology and environmental sciences. |
| Middleon Solar: Builds solar and terrestrial radiation instruments including a solarimeter, pyrheliometer and net pyrradiometer |
| Mierij Meteo: Meteorological Sensors and Systems |
| Morcom International, Inc.: Supplies a wide range of meteorological equipment and systems. |
| Muir Matheson Ltd: An engineering company specializing in installation and maintenance of weather monitoring equipment |
| National Industrial Designers: Manufacturer of Hydrological, Meteorological, Rivergauging Instruments and Automatic Weatherstations. |
| NovaLynx Corporation: Manufacturer of weather monitoring instruments including tipping bucket rain gauges, anemometers, evaporation pans and sensors, and modular weather stations. |
| 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. |
| Optical Scientific, Inc.: Measurement instruments using optical technology in the areas of weather, the environment, transportation, aviation and communications. |
| Pulsonic: Meteorological Instruments - agriculture modelisation software |
| R. M. Young Company: Precision meteorological instruments for: Wind Speed and Direction, Temperature, Humidity, Pressure, Precipitation; Indicators and displays, Data recorders |
| Radiometrics Corporation: Radiometers to provide water vapor and temperature profiles. |
| RainWise Inc.: Manufactures solar powered wireless weather stations, data loggers, rain gauges, anemometers, barometers, and thermometers |
| REMTECH Inc. Home Page: Manufactures DOPPLER SODAR (Acoustic Wind Profiler), the RASS (Air Temperature Profiler) and the DOPPLER SONAR (Acoustic Doppler Current Profiler) |
| Rotronic: Line of instruments for the measurement of relative humidity, dew point, water activity and other humidity parameters. |
| Scientific Sales, Inc.: Offers a line of weather instruments, including wireless weather stations. |
| Scintec A.G.: Manufacturer of innovative radiowave, acoustic, and optical sensing technology for atmospheric research. |
| Sensormetrics: Weather Instruments and Environmental Measurement Systems for Commercial and Residential applications. |
| Sippican, Inc.: Product lines include expendable upper air oceanographic and meteorologic instrumentation and associated data acquisition systems. |
| Skyview Systems: Skyview Systems is a UK based company, supplying meteorological, hydrological and marine instruments. |
| Solar Light Company: Manufacturer supplying solar radiation, ozone column, and aerosol measurement systems. |
| Squitter Electronics: Weather monitoring products, including a full line of automated, research-grade weather stations. |
| Sutron Corporation: Information and products to build a weather station. |
| Technika Weather Station Central: Weather Stations in the best olde world tradition with state of the art precision technology. |
| TECMES Instrumentos Especiales SRL: Produces sensors, recorders and systems for hydrometeorology and agrometeorology. |
| 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. |
| Texas Weather Instruments: Manufacturer weather stations, peripherals, and related equipment. |
| Theodor Friedrichs GmbH: Meteorological Sensors and Systems |
| Thies Clima: Measurement instruments for meteorology, environmental protection, and industrial applications. |
| Thorn Satcom Data Services: The supply and configuration of Remote Weather Stations with Meteorological Satellite Telemetry Systems and Data Collection Platforms. |
| UPSI Hgrometry: Humidity & Temperatuare sensors, transmitters, and probes |
| US Precision Lightning Network: Provides lightning detection services |
| Vaisala: Manufactures electronic measurement systems and equipment for meteorology and the environmental sciences, traffic safety, and industrial applications. |
| Vector Instruments: Manufacture and sales of quality, robust, and professional meteorological instruments for scientific, industrial and wind-power applications. |
| Wittich & Visser: Manufacturer of meteorological instruments and complete systems. |
| WNI - Weather Instrumentation: A systems integrator for industrial quality weather monitoring systems. |
| Yankee Environmental Systems, Inc.: Advanced optical weather instrumentation for solar radiation and dew point humidity. |
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