| ADR Institute of Ontario, Toronto | Toronto |
| Artists' Legal Advice Services | Toronto |
| Association of Ontario Midwives | Toronto Downtown Central |
| Association of Translators and Interpreters of Ontario | Ottawa |
| Badge of Life Canada | Orillia |
| Bereavement Authority of Ontario, Toronto | Toronto |
| Building Up | Toronto |
| Canada. Innovation, Science and Economic Development, Ontario Region, Toronto, Office of the Superintendent of Bankruptcy, Ontario Region | Toronto |
| Canada. Office of the Prime Minister | Ottawa |
| Canadian Marketing Association | Toronto |
| CATIE (Canadian AIDS Treatment Information Exchange) | Toronto Downtown Central |
| Centre for Skills Development, Burlington - North Service Rd, Skilled Trades Training Programs | Burlington |
| College of Audiologists and Speech Language Pathologists of Ontario | Toronto Downtown North |
| College of Chiropractors of Ontario | Toronto Downtown Central |
| College of Dental Hygienists of Ontario | Toronto Downtown Central |
| College of Denturists of Ontario | Toronto Downtown Central |
| College of Dietitians of Ontario | Toronto |
| College of Early Childhood Educators | Toronto |
| College of Homeopaths of Ontario | North York Central |
| College of Massage Therapists of Ontario | Toronto Downtown North |
| College of Naturopaths of Ontario (The) | Toronto Downtown Central |
| College of Nurses of Ontario | Toronto Downtown North |
| College of Occupational Therapists of Ontario | Toronto Downtown Central |
| College of Opticians of Ontario | Toronto Downtown Central |
| College of Optometrists of Ontario | Toronto Downtown North |
| College of Physicians and Surgeons of Ontario | Toronto Downtown Central |
| College of Physiotherapists of Ontario | Toronto Downtown Central |
| College of Psychologists of Ontario (The) | Toronto Downtown North |
| College of Registered Psychotherapists of Ontario | Toronto Downtown |
| College of Respiratory Therapists of Ontario | Toronto Downtown Central |
| College of Traditional Chinese Medicine Practitioners and Acupuncturists of Ontario | Markham |
| College of Veterinarians of Ontario | Guelph |
| Death Doula Ontario Network, Death Doula Ontario Network Resources | Ontario |
| Dietitians of Canada | Toronto Downtown Central |
| Easter Seals Canada | Toronto Downtown North |
| Editors Canada, Hamilton-Halton Chapter | Halton Region |
| Electrical Safety Authority | Cambridge |
| Elementary Teachers Federation of Ontario, Halton Local | Burlington |
| End of Life Doula Association of Canada, End of Life Doula Association of Canada Resources and Doula Network | British Columbia |
| Georgetown and District Ministerial Association | Georgetown |
| Halton Regional Police Service, Halton Regional Police Chorus | Oakville |
| Halton Regional Police Service, Pipes and Drums | Oakville |
| Health Professions Appeal and Review Board | Toronto Downtown Central |
| HMC Connections, Employment Supports | Halton Region |
| HMC Connections, Interpretation and Translation | Halton Region |
| How to Find - Crisis and Distress Services, Halton Region | Halton Region |
| Landscape Ontario, Horticultural Technician 441C Apprenticeship | Milton |
| Law Society of Ontario | Toronto |
| Make A Change Canada | Toronto |
| NPower Canada | Toronto |
| Oakville Professional Fire Fighters Association | Oakville |
| OCASI - Ontario Council of Agencies Serving Immigrants, Settlement.Org | Ontario |
| OCASI - Ontario Council of Agencies Serving Immigrants, OCASI | Toronto |
| Ontario Society of Chiropodists, Newmarket | Newmarket |
| Ontario Camps Association | Toronto |
| Ontario Chiropractic Association | Toronto Downtown Central |
| Ontario College of Pharmacists | Toronto Downtown North |
| Ontario College of Social Workers and Social Service Workers | Toronto Downtown North |
| Ontario College of Teachers | Toronto |
| Ontario Dental Association | Toronto Downtown North |
| Ontario Federation of Agriculture, Farmer Wellness Initiative Helpline | Ontario |
| Ontario Federation of Agriculture, Guardian Network (The) - Suicide Prevention Program | Ontario |
| Ontario Health, HealthForceOntario | Toronto Downtown |
| Ontario Health atHome, Regional Learning Centre | Oakville |
| Ontario Motor Vehicle Industry Council | Toronto |
| Ontario Psychological Association, Psychologists Referral Service | Toronto |
| Ontario Secondary School Teachers Federation, Halton - District 20 | Burlington |
| Ontario Society of Registered Psychotherapists | Toronto Downtown Central |
| Pediatric Oncology Group of Ontario | Toronto Downtown Central |
| Quick Brown Fox | Ontario |
| Real Estate Council of Ontario | Toronto |
| Registered Massage Therapists' Association of Ontario | Etobicoke |
| Renewed Computer Technology, RCTech Outreach | Mississauga |
| Royal College of Dental Surgeons of Ontario | Toronto Downtown North |
| Speech and Stuttering Institute | Toronto |
| The Halton Resource Connection, Connect with THRC | Milton |
| Wings of Change - Peer Support, Peer Support for First Responders | Canada |
