Organizers
- Deeply Rooted Productions
- Deer Creek Fire Department
- Deer Lake Athletic Club
- Deer Lake Golf Club
- Deer Park Parks and Recreation Department
- Deer Park Rotary Club
- Deer Point Elementary School
- Deerfield Park District
- Deerfield Volunteer Fire Department
- Deerlake Middle School
- Deerpath Golf Course
- Dee's Dash
- Defence First Inc
- Defence Sports & Recreational Association
- Defensive Lucidity
- Defensive Lucidity LLC
- Defiance Softball Association, Inc.
- DeForest Area High School Cross Country
- Degas Dance Studio, LLC
- DEI INC
- DEKAFIT
- DeKalb County Recreation, Parks & Cultural Affairs
- DeKalb County Recreation, Parks & Cultural Affairs
- Del Mar Golf Center
- Del Norte Little League
- Del Rey American Little League
- Del Tufo NH Cancer Foundation
- Delanco Camp
- Delanco Camp Meeting Association
- Delaney Hockey
- Delano 4th of July
- Delaware Academy Varsity Club
- Delaware Athletic Trainers' Association
- Delaware County Friends of the Trail
- Delaware Ovarian Cancer Foundation
- Delaware Riptide Swim Team
- Delaware River City Corporation
- Delaware Sportsplex, LLC
- Delaware State University Department of Wellness & Recreation
- Delaware Tactical Firearms
- Delaware Tennis Foundation
- Delaware Timing
- Delaware Valley Friends School
- Delaware Valley University
- Delaware Volleyball Camp LLC
- DELAWARE WILDCATS
- Delbrook Golf Club
- DELDF / BCAC DST
- Deleon Enterprises
- Dell Rapids Baseball
