StormTracker
Boltek's lightning tracking system detects lightning strikes up to 300 miles away. Demo version available for download.
http://www.boltek.com/stracker.htm

weather-instruments.com
Information is given on the Kestrel range of hand-held weather instruments which can be used to measure wind speed, temperature, relative humidity, windchill, heat index and dew point.
http://www.weather-instruments.com/

Campbell Scientific, Inc.
Automated weather stations and evapotranspiration stations. Stations provide data useful for crop management. Battery and solar panel provide long-term, unattended operation. Stations transmit data by radio, phone, cellphone, and satellite.
http://www.campbellsci.com/

WeatherAmerica
Offers forecast and on-air consultation to broadcast media.
http://weatheramerica.net

WeatherScreen
Weather and forecasts around the Globe. Features maps, satellite and radar images, and webcams.
http://www.weatherscreen.com/

Surface Systems, Inc.
Roadside Weather Information Systems equipment and technology and related Systems Engineering.
http://www.ssiweather.com

CustomWeather, Inc.
Global weather coverage including forecasts, maps, tracking and alert services covering United States and international locations. Gives data in XML, WML, HDML, or ASCII. Hosts XML query system for weather data, SMS weather service, custom-hosted web templates, and geo-coded weather data for location-based services
http://www.customweather.com/

NOAAPort by IPS
IPS manufactures groundstations for the worlds geostationary and polar orbiting weather satellites. IPS' latest project is a $10 million weather graphics system called LEADS. IPS combines these products to create a complete turnkey weather production environment.
http://www.noaaport.com

Freese-Notis Weather
Well-established provider of complete weather information for individuals, agriculture and industry. Easy, affordable registration process. InterRAD radar imagery and agriculture weather available.
http://www.weather.net/

Thermometer Plus
Connect temperature, humidity, light, barometer sensors directly to your PC via our games port calibration adapter. Free download of our weather data logger, chart plotter and digital display software.
http://www.iconelectron.fsnet.co.uk/index.htm

Weather Planner
Offers forecasts up to one year ahead by subscription. Outline of the method used, reliability and history.
http://www.weatherplanner.com/

Weather and Wind
Weather related merchandise designed for measuring wind, rain and temperature for weather hobbyist, amateurs and professionals.
http://www.weatherandwind.com

IPS Meteostar
Meteorological ingest and display of radar, satellite, WMO bulletins, observations, model. Forecasts for every city. Products include LEADS, RWIS, PDCS, EMS, NOAAPort, Magellen, FltWinds.
http://www.meteostar.com/

Digital Cyclone
Delivers neighborhood-level weather forecasts via the web, email and wireless devices.
http://www.digitalcyclone.com/

WeatherWatch Service
Forecasts for the media and commercial business from broadcasting to weather data.
http://weatherwatchservice.com

WeatherCast
Free software for Windows that shows current local temperature in your system tray and also provides 5-day and 48-hour forecasts, radar images and other detailed weather information with one click.
http://www.getweathercast.com

Ambient Weather
Provides sales, service, and support of weather stations, weather equipment, weather radios, weather instruments and software.
http://www.ambientweather.com/

Weather Discounts
Weather stations, weather instruments, weather equipment, pedometers, atomic clocks from Oregon Scientific and Lacrosse Technology at deep discounts.
http://www.wxdiscounts.com/

Weather Depot
Desktop weather software that provides hour-by-hour forecasts and includes a TV-style weather information ticker.
http://www.weatherdepot.com

WeatherFlow Inc.
An experienced group of engineers, meteorologists, and IT professionals offering turn-key weather solutions for clients in industry and government.
http://www.weatherflow.com

Weather Instrument Store
Provides sales, service, and support of Oregon Scientific and Davis Instruments digital weather station equipment, time pieces, and software.
http://www.weatherinstrumentstore.com

Robert E. White Instruments
Weather and environmental instruments, digital and analog, in a wide price range, for home, schools, and industry.
http://www.robertwhite.com/

ProAlert.us
Offers free and subscription based alerts sent to your email or Internet text ready cell phone or pager.
http://www.proalert.us

WxWorx
Powered by the nation's leader in satellite-broadcast radio, XM WX Satellite Weather delivers portable, highly accurate, localized weather information to vehicles traveling over or throughout the contiguous United States and coastal waters.
http://www.wxworx.com

Automatic weather data collection equipment
Automatic weather and evapotranspiration stations. Low cost stations provide data useful for crop management, such as degree day and chill hours. Battery and solar panel provide long-term, unattended operation. Stations transmit data by radio, phone, cellphone, and satellite.
http://squitter.com

Weather Calendars
Weather calendars in all kinds of formats, featuring disaster stories, daily weather trivia and photography.
http://www.weathercalendars.com

Weathersys
Offers commercial forecasting site for the retail, event and power industries. Features details of services and meteorologists, and includes archive data.
http://www.weathersys.com

ForecastWatch.com
Provides weather forecast accuracy data and monitoring services. Assists meteorologists to improve their forecasts and increase the confidence and knowledge.
http://www.forecastwatch.com

WeatherFrame automated LCD Weather Display Panel
Automated wireless weather briefing system. This web-enabled weather appliance combines the features of an electronic picture frame with an automated weather and web content display.
http://www.weatherframe.com/

Weather Advice and Forecasts
Subscription-based weather advice and forecasts worldwide.
http://www.weatheradvice.com

AlertMe
Software from Convective Development that warns instantly of warnings, watches, statements and advisories for any state or county you choose. Free download.
http://www.alertmepro.com/

Hotel Weather
Offers a free PDF weather report service. Displays and distributes a customized single-page local weather forecast for hotels and others in the hospitality industry.
http://www.hotelweather.net

La Crosse Technology Atomic Clocks & Weather Instruments
Selection of wireless weather instruments, home weather stations, atomic clocks, and atomic watches
http://www.lacrosse-psmall.com

The Weather WorkShop
Includes thermometers, barometers, bird feeders, wind chimes, and video.
http://www.theweatherworkshop.com/