| Abbey Oaks Slo Pitch, Men's Slo Pitch League | Oakville |
| Acton Curling Club | Acton |
| Acton Soccer Club | Acton |
| Adult Recreational League | Burlington |
| Aldershot Community Recreation Association | Burlington |
| BaseballMilton | Milton |
| Brookville Masters Slo Pitch League | Milton |
| Burlington Amateur Softball Association | Burlington |
| Burlington Amateur Sports Leagues | Burlington |
| Burlington Ball Hockey League | Burlington |
| Burlington Basketball | Burlington |
| Burlington Centaurs Rugby Football Club | Burlington |
| Burlington City Rep Hockey Club | Burlington |
| Burlington Curling Club | Burlington |
| Burlington Girls Hockey Club | Burlington |
| Burlington Lions-Optimist Minor Hockey Association | Burlington |
| Burlington Mens Hockey League | Burlington |
| Burlington Minor Ball Hockey League | Burlington |
| Burlington Minor Football Association | Burlington |
| Burlington Minor Lacrosse Association | Burlington |
| Burlington Oldtimers Hockey Club | Burlington |
| Burlington Oldtimers Soccer Club | Burlington |
| Burlington Organized Minor Baseball Association | Burlington |
| Burlington Soccer Club | Burlington |
| Burlington Vintage Baseball League | Burlington |
| Burlington Womens Recreational Soccer League | Burlington |
| Crusaders Rugby Club | Oakville |
| Force Soccer Academy | Burlington |
| Forestview Church Without Walls, Next Door Social Space | Burlington |
| Georgetown Ladies Powderpuff League | Georgetown |
| Georgetown Slopitch League | Georgetown |
| Georgetown Soccer Club | Georgetown |
| Glen Abbey Ladies Slo Pitch League | Oakville |
| Glen Abbey Slo-Pitch League | Oakville |
| Golden Horseshoe Disabled Sports Association, Vipers Wheelchair Basketball | Burlington |
| Golden Horseshoe Touch Football Association | Burlington |
| Halton and Oakville Men's Hockey League | Oakville |
| Halton Black Voices | Halton Region |
| Halton Field Hockey Club | Oakville |
| Halton Hawks FC Academy | Milton |
| Halton Hawks Girls Fastpitch Association | Halton Hills |
| Halton Hills Minor Ball Hockey League | Halton Hills |
| Halton Hills Minor Baseball Association | Halton Hills |
| Halton Hills Minor Hockey | Halton Hills |
| Halton Hills Minor Lacrosse Association | Georgetown |
| Halton Hills Mixed Volleyball League | Halton Hills |
| Halton Hills. Recreation & Parks, Georgetown - Mold-Masters SportsPlex, Facility Rentals & Recreation Programs | Georgetown |
| Halton Hills. Recreation & Parks, Sports Fields | Halton Hills |
| Halton Region Volleyball Club | Burlington |
| Joy of Learning, Multiple Locations, Challenger Sports | Halton Region |
| Lakeside Volleyball Club | Oakville |
| Milton Active Oldstars Hockey Club | Milton |
| Milton Curling Club | Milton |
| Milton Girls Softball | Milton |
| Milton Ladies Slo Pitch, Recreational Softball League | Milton |
| Milton Ladies Softball League | Milton |
| Milton Mens Basketball | Milton |
| Milton Minor Ball Hockey League | Milton |
| Milton Minor Hockey Association | Milton |
| Milton Minor Lacrosse Association | Milton |
| Milton Old Friends League, 48+ Slo-Pitch League | Milton |
| Milton Pleasure League | Milton |
| Milton Red Sox Senior Baseball Club | Milton |
| Milton Stags Youth Basketball | Milton |
| Milton United Soccer Club | Milton |
| Milton Youth Soccer Club | Milton |
| Milton Youth Volleyball Club | Milton |
| Milton. Community Services, John Tonelli Sports Centre, Recreation Facilities & Programs | Milton |
| Milton. Community Services, Memorial Arena, Arena Facilities & Recreational Programs | Milton |
| Milton. Community Services, Outdoor Sports Parks | Milton |
| North Central Community Association | Burlington |
| North Halton Girls Hockey Association | Georgetown |
| North Halton Rugby Football Club | Georgetown |
| Oakville Cricket Club | Oakville |
| Oakville Curling Club | Oakville |
| Oakville Girls Softball Association | Oakville |
| Oakville Hornets Girls Hockey Association | Oakville |
| Oakville Little League Baseball | Oakville |
| Oakville Masters Men's Slo-Pitch League | Oakville |
| Oakville Minor Baseball Association | Oakville |
| Oakville Minor Lacrosse Association | Oakville |
| Oakville Rangers Hockey Club | Oakville |
| Oakville Senior Ladies Basketball League | Oakville |
| Oakville Soccer Club | Oakville |
| Oakville Soccer Club, Breaking Barriers Program | Oakville |
| Oakville Thunder Volleyball Club | Oakville |
| Oakville. Recreation and Culture, Joshua's Creek Arenas, Recreation Facilities & Programs | Oakville |
| Oakville. Recreation and Culture, Kinoak Arena, Recreation Facilities & Programs | Oakville |
| Oakville. Recreation and Culture, Maple Grove Arena, Recreation Facilities & Programs | Oakville |
| Oakville. Recreation and Culture, Oakville Recreational Leagues | Oakville |
| Oakville. Recreation and Culture, Sixteen Mile Sports Complex, Recreation Facilities & Programs | Oakville |
| Oakville. Recreation and Culture, Trafalgar Park Community Centre, Recreation Facilities & Programs | Oakville |
| Pakmen Volleyball Club | Milton |
| Palermo Hammer Fastball Club | Burlington |
| Ringette Association of Burlington | Burlington |
| Royal City Soccer Club, Summer Soccer Camps | Burlington |
| Slo Pitch Softball Leagues, Burlington | Burlington |
| Slo Pitch Softball Leagues, Oakville | Oakville |
| Slo-Pitch Ontario Association, St Catharines | St Catharines |
| Tuesday Night Mens Basketball | Oakville |
| Volleyball for Deaf Children | Milton |
| Womens Recreational Volleyball, Milton - Mailing Address | Milton |
| YMCA of Hamilton / Burlington / Brantford, Burlington - Ron Edwards Family YMCA, Adult and Student Programs | Burlington |
