Organizers
- Hanover Township
- Happy Code Club
- Happy Feat Running Club, Inc.
- Happy Pace Races
- Happy Trails Farm
- Happy Valley Improv, LLC
- Happy Valley Softball Association
- HARA Motion Pictures Conservatory
- Harambee Foundation
- Harbor Humane Society
- Harbor Light Foundation
- Harbor Light Foundation, Inc.
- Harbor Links Golf Club
- Harbor Montessori School
- Harbour Heights Charities, Inc.
- Harbour Pointe Golf Club
- Harbour Sport NZ
- Hard Core Fitness
- Hard Core Runners Club
- Hard Focus Firearms Training LLC
- Hardball NY Training Center
- Hardcore Youth Baseball
- Hardhitters Baseball
- Harding Academy Nashville
- Harding Academy of Memphis
- Hardisty Lake United Church Camp
- Hardscrabble Club and Randy Mani Tennis Academy (RMTA)
- Harford Community College Foundation, Inc.
- Harford Multisport Club
- Harford United Charities
- Harker Middle School Tennis
- Harlan Little League
- Harlem Bulldogs Pop Warner
- Harlem Hustle
- Harlem Junior Tennis & Education Program
- Harlem Township Heritage, Inc.
- Harley Sports LLC
- Harley's Angels Cruzin to Cure
- Harlie's Greenhouse
- Harlingen Country Club
- Harmony Borough
- Harmony Harvest Festival 5K
- Harmony High School Cross Country
- Harmony Highlands Singing School
- Harmony Natural Learning Center
- Harmony Youth Football & Cheer
- Harney County Little League
- Harpenden Swimming Club
- Harper Park Ward
- Harper's Heart Run
