Current TTCG members include:
Abercrombie and Kent Travel 
ABTA 
Addicted to Travel
The Adventure Company 
AITO
ATG Oxford
Audley Travel
Baobab Expeditions
Bales
British Airways 
British Airways Holidays
Campbell Irvine 
Cantabrica
Caribtours
Classic Journeys
Collette Worldwide
Cox & Kings
Elite Vacations
Exodus 
Explore Worldwide 
First Choice
Harlequin Travel
Haslemere Travel 
Hayes & Jarvis 
Holiday Autos
In the Saddle
Journey Latin America
Kenya Airways 
Kuoni
Matrix Travel
Naturally Africa
Naturetrek
On the Go Tours
responsibletravel.com
Sandy Travel
Simpson Travel
Sovereign Holidays 
The Specialist Travel Company 
Tapestry Holidays 
Thomson 
TICOS 
Trailfinders
Trips Worldwide
Ultimate Travel 
WEXAS International 
Wildlife Extra 
Wildlife Worldwide 
World Discovery