» Canyon Explorations    In the Grand Canyon providing self-bailing oar, paddle rafts and inflatable kayaks. Trips include camping, and hiking. Includes trip options, maps, gear and clothing, FAQ's, education and news.    http://www.canyonx.com/

» Canyoneers    Grand Canyon river trips on the Colorado River. Includes rates and dates, river and trip information with lodging and camping.    http://www.canyoneers.com/

» Outdoors Unlimited    Find Grand Canyon river trip options on the Colorado River including prices, photo gallery, brochures and schedules.    http://www.outdoorsunlimited.com/

» Professional River Outfitters, Inc.    Providers for permit holders for the Colorado River through the Grand Canyon and other southwest rivers. Gear, food, shuttles, rental gear, equipment sales and advisors.    http://www.proriver.com/

» Wilderness River Adventures    Offers Grand Canyon motorized and oar boat trips on the Colorado River. Tour and boat information, photographs, online reservations.    http://www.riveradventures.com