Adirondack Lakes and Trails Outfitters; 800-491-0414; www.adirondackoutfitters.com

Adventure Bound River Expeditions; 800-423-4668; www.adventureboundusa.com

Alaska on the Home Shore; 800-287-7063; www.homeshore.com

Bill Dvorak's Rafting and Kayak Expeditions; 800-824-3795; www.dvorakexpeditions.com

WI River Outings; 866-41-CANOE; www.86641canoe.com

Sitka Sound Ocean Adventures; 907-747-4375; www.ssoceanadventures.com

Small World Adventures; 800-58-KAYAK; www.smallworldadventures.com