| W Ross Macdonald School for the Blind | Brantford |
| Wai Nui O Kanaka Outrigger Canoe Club | Oakville |
| Walkers Medical Centre, Walk-in Medical Clinic | Burlington |
| Walk-In Medical Clinics, Burlington | Burlington |
| Walk-In Medical Clinics, Halton Hills | Halton Hills |
| Walk-In Medical Clinics, Milton | Milton |
| Walk-In Medical Clinics, Oakville | Oakville |
| Wallace Park Tennis Club | Oakville |
| War Amps (The), Ottawa - National Headquarters | Ottawa |
| Wastewise, Georgetown, Thrift Store | Georgetown |
| Waterdown Rod and Gun Club, Waterdown Rod and Gun Club Programs | Hamilton |
| We Matter, Indigenous Youth Support | British Columbia |
| WELL Health Medical Centre, Family Practice and Walk-in Clinic | Oakville |
| Wellbeings Medical Centre for Innovation & Excellence | Burlington |
| Wellington Square United Church, Friday Community Hub and Lunch | Burlington |
| Wellspring Cancer Support, Online Cancer Support Programs | Toronto |
| Wesley, Housing Services – Halton | Halton Region |
| Wesley, Hoarding Support Services – Halton | Halton Region |
| Wesley, Wesley Youth Housing Program | Hamilton |
| West End Studio Theatre | Oakville |
| West Plains Medical and Pharmacy, Walk-in Medical Clinic | Burlington |
| Western Ontario Highland Dancers Association, Halton-Hamilton/Wentworth District | Hamilton |
| William Osler Health System, Peel Memorial Centre for Integrated Health and Wellness | Brampton |
| Winston Park Medical Centre, Walk-in Medical Clinic | Oakville |
| Women's Care Abortion Clinic Toronto, Toronto | North York West |
| Women's Centre of Halton (The), Women's Support Services | Oakville |
| Women's Centre of Halton (The), Employment Services | Oakville |
| Women's Centre of Halton (The), One-on-One Support Services | Oakville |
| Women's Centre of Halton (The), Support Groups and Workshops | Oakville |
| Women's College Hospital, Bay Centre for Birth Control | Toronto |
| Women's College Hospital, Crossroads Refugee Health Clinic | Toronto |
| Women's College Hospital, Sexual Assault / Domestic Violence Care Centre | Toronto |
| Women's College Hospital, Substance Use Service | Toronto |
| Women's College Hospital, Reproductive Life Stages Program | Toronto |
| Womens Recreational Volleyball, Milton - Mailing Address | Milton |
| Women's Shelters Canada, Tech Safety Canada | Ottawa |
| Women's Shelters Canada, ShelterSafe.ca | Ottawa |
| Woodview Mental Health and Autism Services | Burlington |
| Woodview Mental Health and Autism Services, Woodview Learning Centre | Burlington |
| Workplace Safety and Insurance Board, Toronto Office, Programs and Investigations | Toronto |
| World Education Services, International Credential Services | Toronto |
