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

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/

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

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/