- Advanced Forecasting Corporation
 - Medium to long range weather data forecast information. - AWIS Weather Services
- Specialises in global forecasting and climate data products for industry, retail, and research.
- AWS
- Owns and operates a network of weather stations generating up-to-the-second real time weather data from locations throughout the world.
- CustomWeather
- Provider of syndicated weather content and forecasts for Internet and wireless markets in XML, ASCII, and WAP.
- Environmental Dynamics Research, Inc.
- A private consulting company which provides advice and research in meteorology, climatology, climate change, forensic meteorology and aviation weather.
- Fox Weather Services
- Specialises in satellite remote sensing and meteorological satellite interpretation, agricultural weather forecasting for California, Arizona and western Mexico.
- Freese-Notis Weather
- Utilize the weather forecasting talents of top level meteorologists, Harvey Freese and Charlie Notis, for commercial weather related content and reporting purposes via the Freese-Notis Weather Services.
- Global Atmospherics, Inc.
- Provider of lightning strike information in the United States and lightning detection technology worldwide.
- Henz Meteorological Services
- Specialising in weather forecasting, and meteorological consulting with an emphasis on working with the legal and insurance industries.
- ImpactWeather
- Provides business with accurate, timely, and completely customised weather forecasts and severe weather alerts by any means of communications, at any hour of the day or night, for any location in the world.
- Locus Weather
- Weather forecasting services and instruments for sale.
- New England Weather Science
- Offers reports of past weather for legal, insurance, and contractor verification.
- PastWeather.Com
- Offers customised, plain English past weather data.
- Sonoma Technology, Inc.
- Providing regional air quality and meteorological services including research, monitoring, modelling, advisory systems and policy/planning support.
- Surface Systems, Inc.
- Unisys Weather
- Includes a variety of weather images including analyses, model forecasts, and hurricane data.
- VSI
- Provides air quality and meteorology consulting services, including monitoring air pollution, air quality and noise modelling, transportation modelling and a mobile ambient air monitoring platforms.
- Weather 2000
- Long range forecasting and consulting firm specialising in weather derivatives and risk management research.
- Weather and Electricity Demand Forecast
- Sells temperature and power demand forecasts for major power companies in the continental United States.
- Weather Source
- Provider of historical and real-time weather information for the U.S. and worldwide.
- WeatherMarkets.com
- Provides worldwide weather graphics, text reports, and data products for trading.
- Widespread Weather Services Inc.
- Provides weather forecasting and information services to a broad range of commercial clients.
- WSI Corporation
- Weather information services
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