| 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. |
| 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 |
