AWF is a non-profit 501(c) (3) organization dedicated to educating, inspiring, and assisting individuals and organizations to value, conserve, enhance, manage, and protect wildlife and wildlife habitat. The AWF is an all-volunteer, statewide association of people interested in the present and future well-being of Arizona's wildlife, wildlife habitat and natural systems. These conservationists believe our wildlife heritage should not be jeopardized by any activity that fails to ensure its long-term health and sustainability. The Arizona Wildlife Federation, a 501(c)3 non-profit corporation was founded in 1923 to take politics out of fish and game management and to promote the management of Arizona's natural resources on a scientific basis. Mesa, Arizona

Sierra Club is one of the oldest and most influential grassroots environmental organizations in the United States. The Grand Canyon (Arizona) Chapter was formed in 1965 in order to focus attention on stopping dams in Grand Canyon. Our work to protect the Colorado River and Grand Canyon National Park continues today and has been joined by a number of programs to safeguard other areas and issues. The Grand Canyon Chapter seeks to engage its members and the public in protecting our communities; public lands, including national parks, forests, and wildlife refuges; rivers and streams; and wildlife.

Grand Canyon River Guides is a passionate association of folks who know and love the Grand Canyon like no other. Some of us are guides, many are not. Since 1988, GCRG has been here to watch out for the Canyon and to help the guides who work there, while making the river experience the best it can be, and having a great time along the way. Grand Canyon River Guides is a grassroots non-profit 501(c)(3) organization of individuals who care deeply about the Grand Canyon and the Colorado River; a community of river guides and fellow travelers. Since our inception in 1988, our organization has sought to preserve, protect and defend the canyon, the river, and the magic it bestows on us all. Flagstaff, Arizona