ABTOT 
Acorn Tourism Consulting Ltd
Active England
Adventure Tours UK
Adventure Visuals
Aegean Marine Life Sanctuary
African Star Tours
AITO - The Association of Independent Tour Operators
Algarve Tourism Bureau
Amazonas Explorer
ANIMONDIAL
Apex Expeditions
And Adventures
Argentina Association of Ecotourism and Adventure Tourism
Argentina Vision
ASIA DMC
ATTA - Adventure Travel Trade Association
ATTA® - African Travel and Tourism Association
Away a Week Walk
Audley Travel
Austrian National Tourist Office
Azores Promotion Board
AWE365 Ltd
Baboo
battleface
BehaviorSMART
Belize Tourism Board
Bespoke India Travel
Blue Marble Travel Services
Black Diamond
Bob Books
Bornpark adventures Company Limited
C&M Recruitment Ltd
Campbell Irvine
Carrier
Charitable Travel
Classic Destinations - Sri Lanka
Cook Islands Tourism
Costa Rica Tourism
Director Fair Tourism Foundation
Discover Adventure Ltd
Discover the World
Earth Changers
Earth Trip
ecollective
Elephant Welfare
Eternal Landscapes Mongolia
Exodus Travels | Travelopia Adventure
Explore!
Eurotrek
FINN Partners
Fort Young Hotel and Dive Resort and Secret Bay 
Four Communications
FOUR PAWS International
Futurismo Azores Aventures
Gap 360 and Real Gap Experience
GAT Adventures - Jordan
Global Touring (Topdeck Travel)
Green Pathways
Greenland Travel
Heliconia
HF Holidays 
Hike'n Sail Turkey
Hills Balfour
Hotelplan UK
How Many Elephants | World Female Ranger Week
Huayna Potosí Travel Agency and Mountain school
Ideia Tours DMC
Inntravel
INPROTUR
Inspired Travel & Events
Intrepid Group
Israel Tourist Office UK
Journey Latin America
Julian Alps
Kawen Adventure
KE Adventure Travel & Mickledore Travel
Kingfisher Journeys
Korea Tourism Organisation
Large Minority Ltd
Latin American Travel Association (LATA)
Macs Adventures 
Madeira Promotion Bureau
Malta Tourism Authority
Marketing Radar
Monkey Mountaineering
Montserrat Tourism Division
Mountain Kingdoms Ltd
Mr Zen