AAI, American Alpine Institute, Ltd. - Courses and guided ascents at all levels throughout the Western US, Canada, Alaska, Alps, Andes and Himalaya. Also leadership, rescue and medicine courses are offered.
Alpine Ascents International (AAI) - Mountaineering school with expeditions on every continent.
Colorado Mountain School - Courses and clims in the western US as well as expeditions in Nepal, Chile and more.
Eastern Mountain Sports - EMS Climbing School and online shopping.
Exum Mountain Guides - Climbs and schools for any skill level in the western US.
Gunks.com - Guide and info about the Shawangunk mountains in NY.
Jambo Travels - Custom climbs of Kilimanjaro.
Mountain Madness - Climbing school and expeditions to the 7 summits.
SheClimbs - Group of national women climbers with local chapters in the US.
The Adventure Climbing and Trekking Company of South America
- Provides climbing and trekking services throughout South America.
Ultimate Ascents - Worldwide mountain adventures for climbers, trekkers, paragliders and skiers.