AAT Kings
Adventure Travel Trade Association
Adventures by Disney
Adventures in Travel Expos
Aitken Spence Hotel Management
American Express
AirPlus
Brendan Worldwide Vacations
CANAM Receptive
Caribbean Tourism Organization
Cayman Islands Department of Tourism
Coca-Cola
Contiki Holidays
Continental Airlines
Copa Airlines
Destination America
Discover France/Pure Adventures
EcoMedia
Enterprise Rent-A-Car
etown
European Incoming Services
G.A.P. Adventures
GreenBox Ireland
Haugan Cruises
Hotel Mockingbird Hill
Inkaterra
Insight Vacations
Intrepid Travel
Marriott Hotels & Resorts
Mayacamas Ranch
Mekong Private Sector Development Facility
Midwest Airlines
Millipore Foundation
MINI USA
Mountain Travel-Sobek
National Tour Association
Natural Habitat Adventures
Nebraska Division of Travel & Tourism
Nevada Commission on Tourism
Orcas Unlimited Charters of Kodiak, LLC
Oregon B&B Guild
Pineapple Hospitality, Inc.
Pinehurst Inn at Pikes Creek
Puerto Rico Tourism Company
Quintess Leading Residences of the World
Resources Legacy Fund
Royal Caribbean International
Shaw Environmental Inc.
Starwood Hotels & Resorts
Tauck World Discovery
Texas Business Travel Association
TheGreenOffice.com
The Good Travel Co.
The Leading Hotels of the World
The Northwest Passage
Tourism Cares
Trafalgar Tours
Travel Oregon
United
University of Colorado
Uniworld Grand River Cruises
Vail Resorts
Viaventure
Virtuoso
W.K. Kellogg Foundation
Whole Foods Market
Wenner Media
World Travel and Tourism Council
World Resources Institute
World Wildlife Fund
Zegrahm & Eco Expeditions
