WAlex (videotex service)
WAOL
WCBBS
WCIX (website)
WCommunity Memory
WMinitel
WCompunet
WDelphi (online service)
WGEnie
WMCI Communications
WMicronet 800
WMinitel
WPipex
WPrestel
WThe Source (online service)
WUsenet
WViewtron
WThe WELL
WThe World (Internet service provider)