Organizers
- D&B Sporting Events BPA/NSA
- D.A. Taylor Foundation Lacrosse Camp
- D.A.R.E.
- D.A.T.B.O.Y. Training
- D.Aamodt, LLC dba Lone Peak Events
- D.C. United
- D.C. United LLC
- D.R.I.F.T. ZOMBIE 5K
- D.W. Field Triathlon Committee
- D1 Training/The Dugout of Boerne
- D1spects
- Da Vinci Science Center
- DAAC Community
- Dacula Soccer Club
- Dad Miller Golf Course
- Dade Lacrosse, Inc.
- DADS Club Swim Team
- Dailard School Foundation
- Daily American Challenge 10k/5k
- Daingerfield Chamber of Commerce
- Dairy Creek Golf Course
- Dairy Dash & Stroll 5K Run/Walk
- DAJ Hockey, LLC
- Dakota Alliance Soccer Club
- Dakota United Soccer Club
- Dakotah Sport and Fitness
- Daland Swim Team
- Dalcroze Music School of Boston
- Dalcroze School of the Rockies, LTD
- Dale Brown
- Dale F. Kilwein Memorial Run
- Dallas Athletes Racing
- Dallas Center Celebrations
- Dallas Community School
- Dallas Cowboys Cheerleaders
- Dallas Cowboys Rhythm and Blue
- Dallas Cowboys Youth Academy
- Dallas Mavericks
- Dallas Police Cycling Team
- Dallas Starlings VBC
- Dallas Tennis Association
- Dallas Theater and Civic Center
- Dallas YMCA Turkey Trot
- Dalton High School
- Dalton Lodge 578
- Dalton Red Carpet Half Marathon/5K/2K/Fun Walk
- Dam Colon Cancer Ride
- Dam2Dam
- Damien's Recovery Inc
- Dan Bulley Soccer School