- A & C Black Publishers Ltd - WC1B 3DP
- Artemide GB Ltd - WC1B 3NB
- British Promotional Merchandise Association - WC1B 4HP
- City Capital Consulting Ltd - WC1B 5HJ
- Congress Centre - WC1B 3LS
- Constable & Robinson - WC1B 4HP
- Intellect - WC1B 5EE
- Prestige Venues & Events - WC1B 5AN
- Tetra Consulting - WC1B 3SR