Organizers
- Holiday Resort
- Holiday Services Limited
- Holland Bloorview Kids Rehabilitation Hospital - Aquatics
- Holland Christian School
- Holland Community Aquatic Center
- Holland Community Triathlon Club
- Hollicom Events
- Holliston 5K Road Race for Boston Children's Hospital
- Holliston Youth Baseball and Softball
- Holliston Youth Basketball
- Holloway Park Foundation
- hollys
- Holly's Spirit Run
- Hollytree country club
- Hollytree Country Club
- Hollywood Bound Acting Academy
- Hollywood Schoolhouse, The After-School House
- Hollywood Theatre Lab
- Hollywood YMCA
- Holmen Park and Recreation Department
- Holmes County Park District
- Holmes G.C.
- Holtville Dixie Youth League
- Holy Child Academy
- Holy Cross Academy
- Holy Cross Academy Athletic Association
- Holy Family Catholic Church
- Holy Family Conservatory of Music
- Holy Family of Nazareth School
- Holy Family Parish School
- Holy Family Regional School
- Holy Family Seafood Festival 5K
- Holy Hoops Basketball
- Holy Kidz Camps
- Holy Names University Summer Sports Camps
- Holy Savior Academy
- Holy Trinity Episcopal Academy
- Holy Trinity Episcopal Day School
- Home at USA
- Home of Bigfoot
- Home of Guiding Hands
- Home Run Club
- Homegrown Lacrosse
- Homeless Children's Playtime Project
- Homer Athletic Club
- Homer Little League
- Homer Watson House Foundation
- Homerun Baseball
- Homerun Softball
- Homerun Softball Baseball