All Travel Firms
- Alvia Travel Data Network
- Australia Bound Travel
- easySABRE
- Flifo
- Global Travel Network
- Hello America
- Hospitality Net
- International Airlines Travel Agent Network (IATAN)
- Internet Air Fares
- Internet Travel Network
- Leisureplan Live
- Microsoft Expedia
- OAG Online
- Online Vacation Mall
- Professional Nobodies
- TheTrip.com
- Travel & Entertainment Network
- Travel Information & Planning Company
- Travel Source
- TravelDog
- TravelFile
- Airlines.com
- Biztravel.com
- Destinet
- Garrett Communications Inc.
- Hawaiian Haven & Hideaway
- International Travel Mall
- Jet Ease
- Travel and Transport On-Line
- Travel Expo
- Travel Leader Services
- Travel Secrets
- Travel Universe
- Traveler's Journal
- Travelocity
- United States Network
- Windows On the World
- Usenet - alt.business.hospitality
- Travellers' Guide
- travelworldwide
- WebOdyssey
- WizCom International, Ltd.