Instruction in all levels of rock and ice climbing and mountaineering as well as private guiding and international expeditions. Operates in Acadia National Park, Maine, and at peaks throughout the Americas. (Bar Harbor, Maine)

Rock and ice climbing guiding and river sports. Information on local lodging. (Keene, New York)

Rock climbing instruction throughout the mid-atlantic region. Climbers forum. Image gallery. (Cabin John, Maryland)

Mountaineering expeditions, private guiding and scheduled tours. Operates internationally. (Hood River, Oregon)

Mountaineering, rock climbing, and ice climbing guiding and instruction. Operates in Glacier Bay and Saint Elias National Parks. (Haines, Alaska)

Mountaineering and ice climbing guiding and instruction. (Talkeetna, Alaska)

Instruction and guiding for rock climbing, ice climbing, mountaineering and backcountry skiing. Operates in the Adirondacks. (Keene, New York)

Mountaineering instruction and guided expeditions to the seven summits. Operates internationally. (Seattle, Washington)

Rock climbing instruction and guiding. (Carefree, Arizona)

Rock climbing guiding and instruction. Operates in Texas and Portrero Chico, Mexico. (Austin, Texas)