- ABPCO
- Banks Sadler
- Barbican (CLPS)
- BDRC Venue Verdict
- BI Worldwide
- CAT Publications
- Chewton Glen
- Venues of Excellence
- Creative Travel & Event Management
- Davies Tanner
- drpgroup
- EEF Venues
- EVCOM (formerly Eventia)
- FIRST
- FMI Group
- Forum Events
- Fresh Group Ltd
- Grass Roots Meetings and Events Ltd
- HelmsBriscoe (Resources for Business)
- Hiscox
- IET Venues
- Impetus Marketing
- International Confex / Mash Media
- Jack Morton Worldwide
- Jurys Inn
- Kindology
- Lensbury Ltd
- Lime Venue Portfolio
- London International Exhibition Centre Plc
- London Speaker Bureau
- IHG
- MCI UK Ltd
- Meetings Guru
- Mexia Communications
- Montreux Music & Convention Centre
- Noble Events
- QE11 Centre
- Reed Exhibitions Ltd (EIBTM)
- Regent Exhibitions (IMEX)
- Richmond Caterers
- Scottish Exhibition + Conference Centre
- Spectra Travel
- Sundial Group
- TFI Group
- The Competitive Edge Promotions Ltd
- The Meetings Show UK (Centaur Communications Ltd)
- The Mermaid
- The Right Solution
- The Turner Agency
- The Vantage Point Group
- Twickenham Experience
- venuedirectory.com (Berry Marketing Services Ltd)
- Wedgewood DMC Group
- Worldspan PLC
- Zibrant