DIAD Incorporated Science, Earth Sciences, Meteorology, Software - DIAD Incorporated. Specializes in real-time environmental monitoring. http://diad.com/
Weather Graphics - Weather forecasting software and books Science, Earth Sciences, Meteorology, Software - Weather Graphics Technologies. Forecasting products and home of software titles such as Digital Atmosphere and Weathergraphix. https://www.weathergraphics.com/
Skywatch Weather Software Skywatch Services LLC Weather Information Software http://www.skywatch.org/
Unidata Program Center Science, Earth Sciences, Meteorology, Software - Unidata. The Unidata Program provides meteorological software and data to universities. https://www.unidata.ucar.edu/