Organizers
- City Kid Science-The Tiny Scientist, LLC
- City Life Community Center
- City of Abilene Recreation Division
- City of Agoura Hills Dept of Community Services
- CITY OF ALAMOGORDO
- City of American Canyon
- City of Angels NJ, Inc.
- City of Anniston
- City of Antioch Recreation Department
- City of Antioch Recreation Division
- City of Apache Junction Parks and Recreation
- City of Apopka
- City of Arvada
- City of Asheville
- City of Aspen Special Events
- City of Athens Relay for Life Team
- City of Atlanta Department of Parks, Recreation, and Cultural Affairs
- City of Auburn
- City Of Auburn Advisory Board
- City of Auburn Parks and Recreation
- City of Auburn Tennis
- City of Auburndale
- City of Aurora - Aurora Hills Golf Course
- City of Aurora - Parks, Recreation, and Open Space
- City of Aurora Parks, Recreation and Open Space
- City of Austell
- City of Avondale Estates
- City of Baldwin Park
- City of Barrie
- City of Barrie -Recreation Services
- CITY OF BEAVER DAM
- City of Beavercreek
- City of Bell
- City of Bellaire
- City of Belleville
- City of Benton
- City of Benton Parks and Recreation
- City of Bentonville
- City of Berkeley Recreation
- CITY OF BETTENDORF
- City of Bluefield Parks and Recreation
- City of Boca Raton
- City of Boerne PARD
- City of Bonney Lake
- City of Bowie
- City of Brantford, Parks & Recreation
- CITY OF BRISBANE
- City of Brush
- City of Buffalo Recreation Department
- City of Calistoga