The following is a partial list of the many supporters that have endorsed a YES vote on Proposition 107:

- U.S. Senator John McCain

- U.S. Senator Jon Kyl

- U.S. Congressman Trent Franks

- U.S. Congressman John Shadegg

- Secretary of State Jan Brewer

- State Senate President Ken Bennett

- State Speaker of the House Jim Weiers

- State House Majority Leader Steve Tully

- State House Speaker Pro Tem Bob Robson

- State House Majority Whip Gary Pierce

- State Senator Robert Blendu

- State Senator Jake Flake

- State Senator Chuck Gray

- State Senator Dean Martin

- State Representative Kirk Adams

- State Representative John Allen

- State Representative Mark Anderson

- State Representative Nancy Barto

- State Representative Andy Biggs

- State Representative Tom Boone

- State Representative Cheryl Chase

- State Representative Pamela Gorman

- State Representative Trish Groe

- State Representative Laura Knaparek

- State Representative John Nelson

- State Representative Warde Nichols

- State Representative Russell Pearce

- State Representative Colette Rosati

- State Representative Jerry Weiers

- State Representative Steve Yarbrough

- Len Munsil, Candidate for Governor

- Bill Montgomery, Candidate for Attorney General

- Daniel Coleman, Candidate for State Representative

- Dale Despain, Candidate for State Representative

- Don Karg, Candidate for State Representative

- John Kavanagh, Candidate for State Representative

- Bruce Murchison, Candidate for State Representative

- Bill Phillips, Candidate for State Representative