Organizers
- City of Hanford
- City of Harker Heights
- City of Hawthorne
- City of Healdsburg Parks and Recreation Department
- City of Heflin Parks and Recreation
- City of Henderson
- City of Hermosa Beach Parks and Rec Dept
- City of Hesperia
- City of Highland Village
- City of Hinesville
- City of Holbrook
- City of Huntington Woods
- City of Idaho Falls Aquatics
- City of Indianola Parks and Recreation
- City of Inglewood
- City of Inver Grove Heights
- City of Iola Recreation
- City of Irvine
- City of Janesville Parks & Recreation Divisions
- City of Janesville Parks & Recreation Divisions
- City of Janesville-Department of Leisure Services
- City of Johnson City Parks & Recreation
- CITY OF KALAMAZOO
- City of Kennesaw Parks and Recreation
- City of Kennewick
- City of Ketchum Parks and Recreation Department
- City of Kingsport Parks and Recreation
- City of Kingston Parks and Recreation Department
- City of La Habra Community Services Department
- City of La Mesa
- City of La Puente
- City of La Vista
- City of Laguna Hills
- City of Laguna Niguel
- City of Lake Elsinore Parks and Recreation
- City of Lake Oswego
- City of Lakewood Parks and Recreation
- City of Lamar
- City of Langley Parks & Recreation
- City of Langley Recreation
- City of Largo
- City of Lawndale
- City of Lexington
- City of Lincoln Kids Kamp
- City of Lincoln Recreation Department
- City of Litchfield Park
- CITY OF LITCHFIELD PARK
- City of Livonia Golf Division
- City of Lodi
- City of Longmont
