| ADR Institute of Ontario, Inc. | Toronto Downtown |
| By Peaceful Waters, Exeter Office | Exeter |
| By Peaceful Waters, Goderich Office | Goderich |
| By Peaceful Waters, Listowel Office | Listowel |
| By Peaceful Waters, Stratford Office | Stratford |
| By Peaceful Waters, Zurich Office | Zurich |
| Family & Elder, Community Work Place Mediation Services, No Physical Address, Family Mediation - Judith Denault | |
| Family Life Mediation | Peterborough |
| Four Counties Family Mediation | Peterborough |
| Hartford Mediation and Parenting Coordination | Arran-Elderslie |
| Huron Safe Homes for Youth | Exeter |
| Kawartha Family Court Assessment Service | Peterborough |
| Mediation Centre of Simcoe County | Barrie |
| Muskoka Family Works, Huntsville, Muskoka Family Works Mediation and Relationship Coaching | Huntsville |
| Sport Dispute Resolution Centre of Canada, Ville-Marie, Canadian Sport Helpline | Québec |
| The Space Within, Stratford | Stratford |
| Trauma and Life Stress Reduction | Barrie |