| Walkerton Clean Water Centre | Brockton |
| Wasaga Artists | Wasaga Beach |
| Wasaga Beach Archives, Wasaga Beach Public Library | Wasaga Beach |
| Wasaga Beach Business Association, No Physical Address | Wasaga Beach |
| Wasaga Beach Community Policing Committee (The) | Wasaga Beach |
| Wasaga Beach Cooperative Nursery School | Wasaga Beach |
| Wasaga Beach Corvette Club | Wasaga Beach |
| Wasaga Beach Cruisers | Wasaga Beach |
| Wasaga Beach Fire Department | Wasaga Beach |
| Wasaga Beach Garden Club | Wasaga Beach |
| Wasaga Beach Lions Club, Wasaga Beach RecPlex | Wasaga Beach |
| Wasaga Beach Ministerial Food Bank, Community Christmas Banquet | Clearview (Simcoe County) |
| Wasaga Beach Ministerial Food Bank, Christmas Assistance | Wasaga Beach |
| Wasaga Beach Ministerial Food Bank, Food Bank | Wasaga Beach |
| Wasaga Beach Public Library | Wasaga Beach |
| Wasaga Beach Public Library, Friday Afternoon Book Club | Wasaga Beach |
| Wasaga Beach Public Library, Tech Help | Wasaga Beach |
| Wasaga Beach Public Library, Food Pantry | Wasaga Beach |
| Wasaga Beach Public Library | Wasaga Beach |
| Wasaga Beach Snowmobile Club | Wasaga Beach |
| Wasaga Beach Soccer Club, No address specified | Wasaga Beach |
| Wasaga Beach United Church | Wasaga Beach |
| Wasaga Beach Women's Business Association, No Physical Address | Wasaga Beach |
| Wasaga Beach Youth Centre | Wasaga Beach |
| Wasaga Beach. Municipal Office, No physical address, Rest Stations for Extreme Weather Relief | Wasaga Beach |
| Wasaga Beach. Municipal Office, RecPlex, Wasaga Beach. Recreation, Events and Facilities Department | Wasaga Beach |
| Wasaga Beach. Municipal Office, Wasaga Beach - Mosley St, Seniors Active Living Centre | Wasaga Beach |
| Wasaga Beach. Municipal Office, Wasaga Beach - Westbury Rd, Snow Removal Financial Assistance Program | Wasaga Beach |
| Wasaga Beach. Municipal Office, Wasaga Beach Transit Services | Wasaga Beach |
| Wasaga Beach. Municipal Office | Wasaga Beach |
| Wasaga Community Church | Wasaga Beach |
| Wasaga Community Theatre | Wasaga Beach |
| Wasaga Distribution | Wasaga Beach |
| Wasaga Ganaraska Hiking Trail Club | Wasaga Beach |
| Wasaga Taxi | Wasaga Beach |
| Wasaga Woodworkers Club | Wasaga Beach |
| Wasaga Writers Club | Wasaga Beach |
| Washago Area Senior Citizens Club | Severn |
| Waverley Caregiver Employment & Services, Waverly Caregiver Employment & Services | Springwater |
| Wayne's Property Maintenance, Mobile service | Wasaga Beach |
| Waypoint Centre for Mental Health Care, Ethics and Spiritual Care Team, Penetanguishene - 500 Church St - Atrium Bldg | Penetanguishene |
| Waypoint Centre for Mental Health Care, Georgianwood Program for Concurrent Disorders, Penetanguishene - 500 Church St - Toanche Bldg | Penetanguishene |
| Waypoint Centre for Mental Health Care, Midland - Bayshore Dr, Outpatient Assessment and Treatment Service (OATS) | Midland |
| Waypoint Centre for Mental Health Care, Midland - Jones Rd, Ontario Structured Psychotherapy Program | Midland |
| Waypoint Centre for Mental Health Care, Penetanguishene - 500 Church St - Administration Bldg, Frontline Wellness Program | Penetanguishene |
| Waypoint Centre for Mental Health Care, Penetanguishene - 500 Church St, Rehabilitation Services | Penetanguishene |
| Waypoint Centre for Mental Health Care, Penetanguishene - 500 Church St | Penetanguishene |
| Waypoint Centre for Mental Health Care, Psychiatric Patient Advocate Office, Penetanguishene - 500 Church St - Toanche Bldg | Penetanguishene |
| Waypoint Centre for Mental Health Care, Volunteer Resources, Penetanguishene - 500 Church St - Atrium Bldg | Penetanguishene |
| We are the Villagers, Midland | Midland |
| We Are Warriors! - Canadian MS Collective, Online / Web Service | Canada |
| We Care Nonprofit Homes (Barrie) | Barrie |
| Wee Watch Licensed Home Child Care, Barrie | Barrie |
| Wee Watch-Orillia - Quality Licensed Home Child Care, Child Care Orillia | Orillia |
| Weed Man | Barrie |
| Welcome Centre Immigrant Services, Newmarket Welcome Centre | Newmarket |
| Welcome Centre Immigrant Services [Central East], Alliston, Mobile Unit - Alliston | Alliston |
| Welcome Centre Immigrant Services [Central East], Collingwood, Mobile Unit | Collingwood |
| Welcome Centre Immigrant Services [Central East], Mobile Unit - Orillia, Orillia | Orillia |
| Welcome Centre Immigrant Services [Central East], Wasaga Beach, Mobile Unit | Wasaga Beach |
| Wellington Walk-in Clinic | Barrie |
| Wellness and Beyond 360, Collingwood - Mobile Service | Collingwood |
| Wellness Together Canada, No Physical Address | |
| WellWise, Orillia, WellWise - Store 8470 | Orillia |
| Wellwise by Shoppers Drug Mart, Barrie | Barrie |
| Wendat Community Programs, Midland, Adult Mental Health Services - Case Management Program | Midland |
| Wendat Community Programs, Midland, Adult Mental Health Services - Crisis Services | Midland |
| Wendat Community Programs, Midland, Adult Mental Health Services - Social Club | Midland |
| Wendat Community Programs, Midland, Senior Residence - Day Program | Midland |
| Wendat Community Programs, Penetanguishene, Psychogeriatric - Transition Service | Penetanguishene |
| Wendat Community Programs, Penetanguishene, Senior Residence - Social and Congregate Dining Program | Penetanguishene |
| Wendat Community Programs, Penetanguishene, The Lorna Tomlinson Residence for Seniors | Penetanguishene |
| WES For Youth Online, E-Counselling Mental Health Support Services | Brockton |
| West Ridge Early Education Centre | Orillia |
| Westminster Presbyterian Church, Barrie | Barrie |
| Westwind Footcare and Massage Therapy, Mobile Service, Advanced Foot Care | Barrie |
| Whitewater Ontario, Minden Whitewater Preserve | Minden Hills |
| Wig Boutique Barrie | Barrie |
| Willow Creek Baptist Church, Midhurst, Children's Day Camps | Springwater |
| Willow Creek Baptist Church, Midhurst | Springwater |
| Windmill Microlending, Toronto Office | Toronto |
| Women and Children's Shelter of Barrie | Barrie |
| Women and Children's Shelter of Barrie, Outreach Services | Barrie |
| Women and Children's Shelter of Barrie, Unpublished | Barrie |
| Women's Care Abortion Clinic Toronto | North York West |
| Woodley Care Services, Mobile Service | Owen Sound |
| Woods Park Care Centre | Barrie |
| Woods Park Care Centre, Barrie, Long Term Care Home | Barrie |
| Woods Park Care Centre, Barrie, Retirement Home | Barrie |
| Woodslake Home Care, Mobile Service | Barrie |
| Word of Life Fellowship Canada Inc., Word of Life, Word of Life Ontario | Owen Sound |
| Workers Health and Safety Legal Clinic | Toronto |
| Workplace Safety and Insurance Board, Toronto Office | Toronto |
| Wow Living, Out of the Cold Cafe | Bradford West Gwillimbury |
| Writers' Trust of Canada | Toronto Downtown |
| Wye Marsh Wildflower Gardeners, Wye Marsh | Midland |
| Wye Marsh Wildlife Centre, Children's Day Camps | Midland |
| Wye Marsh Wildlife Centre | Midland |