Organizers
- Lila Music & Nature Center
- Lincoln City Parks and Recreation
- Lincoln Park Baseball Academy
- Linebacker University
- Lisbon Recreation Board
- Little Lacrosse Academy
- Little Legs Ltd
- Little Rascalz Soccer School
- Little Sports
- Liv Lax
- Livermore After the Bell Enrichment
- Livermore Area Rec & Park Dist
- Lollypop Farm, Humane Society of Greater Rochester
- Lomita Parks and Recreation Department
- Longhorns Swim Camp
- Longview
- Looking Glass Korean School
- Los Alamos Arts Council
- Love-Cricket
- Loyola Blakefield
- LSU Softball
- Lutherville-Timonium Youth Lacrosse
- LW Soccer Camps LLC
- Lycee Francais De Chicago
- Lycee Français de Chicago Flames
