Abercrombie & Kent
Access Trips
Active Journeys
Adventure Associates of Washington
Adventure Canada
Adventure Center
Adventures in Good Company
American Alpine Institute
Arctic Odysseys
Austin-Lehman Adventures
Backroads
Baobab Expeditions
Batstar Adventure Tours
BikeHike Adventures
Bluewater Adventures
Boréale Mountain Biking
Boreal Forest Adventure Travel
Boundless Journeys
Butterfield & Robinson
Cabin Fever Adventures
Canadian Mountain Holidays
Canadian River Expeditions and Nahanni River Adventures
Civilized Adventures
Classic Journeys
Country Walkers
Cruise North Expeditions
EarthWatch Institute
ElderTreks
Epic Tomato
Escape Adventures
Esprit Whitewater Worldwide
EXPLORE!
Explorers' Corner
Faces of the Sea
Freewheeling Adventures
GAP Adventures
Great Bear Nature Tours
Great Explorations
Hidden Trails
iExplore
International Mountain Guides
In the Saddle
Intrepid Travel
Jones Adventure
JOURNEYS International
KE Adventure Travel
Legendary Expeditions
Maple Leaf Adventures
Midnight Sun Adventure Travel
National Geographic Expeditions
Natural Habitat Adventures
Naturalist Journeys
O.A.R.S.
Off the Beaten Path
Outward Bound
Peregrine Adventures
REI Adventures
ROW Adventures
Ruby Range Adventure
Sacred Rides Mountain Bike Holidays
Scott Walking Adventures
Sea Kayak Adventures
Sea to Sky Expeditions
Selkirk Mountain Experience
Sheri Griffith River Expeditions
Sierra Club Outings
Sky2Sea International
Speyside Wildlife
Summer Feet Cycling
The Northwest Passage
The World Outdoors
Voyageur Quest
Wilderness Travel
Wildland Tours