Organizers
- Devil's Thumb Ranch
- Devine Nutrition
- Devine Nutrition Inc.
- Devon Soccer Association
- Devonport Royal Swimming Association and Humane Society
- Dewey's Golf Academy
- DeWitt Community Education
- DFE
- DFE, LLC
- DFHCHS
- DFMWR
- DFMWR Fort Wainwright, Alaska
- DFMWR IN SPORTS
- DFW Dream
- DFW Tri Club
- DFWRUNS
- DGSA
- DHS Girls Soccer Booster Club
- Diabetes Dash
- Diabetes Partnership of Cleveland (Camp Ho Mita Koda)
- Diabetes Partnership of Cleveland (HoMitaKoda)
- Diabetes UK
- Diabetes Wellness Group
- Diablo View Rotary
- Diablos Pro Soccer
- Diamante Country Club
- Diamond Council of Columbia, Inc.
- Diamond Crest Girl Scout Day Camp
- Diamond Cubs Enrichment Program
- Diamond Dreams at Cooperstown
- Diamond Dynamics Softball LLC
- Diamond Hills Tennis
- Diamond Hollow Mud Run
- Diamond Nation
- Diamond Rock Baseball
- Diamond Rock Baseball 'one base at a time'
- Diamond Rock Sports 'one base at a time'
- Diamond Skills Baseball
- Diamond Sports
- DIAMOND SPORTS NATION
- Diamond Sports Promotions
- Diamond Sports Training Center
- Diamond Springs Golf Course
- Diamondawgs
- DIAMONDHEAD TENNIS WORLD
- Dickie Mahaffey Tennis Camp
- Dickinson College Field Hockey Camp
- Dickinson County Bike Path Committee
- Dickinson Dolphins Swim Team
- Dickinson Parks and Recreation
