| Waabnoong Bemjiwang Association of First Nations | Other Public Sector Employers | 2018 | 1 | $180,436 |
| Waasegiizhig Nanaandawe'iyewigamig | Other Public Sector Employers | 2025 | 23 | $122,091 |
| Waasegiizhig Nanaandawe'Iyewigamig Health Access Centre | Other Public Sector Employers | 2019 | 5 | $149,579 |
| Wabano Centre for Aboriginal Health Inc | Other Public Sector Employers | 2025 | 8 | $174,976 |
| Wabaseemoong Child Welfare Authority | Other Public Sector Employers | 2023 | 3 | $123,532 |
| Wabaseemoong Independent Nations | Other Public Sector Employers | 2023 | 2 | $113,833 |
| Wabun Tribal Council | Other Public Sector Employers | 2024 | 1 | $106,028 |
| Wahgoshig First Nation | Other Public Sector Employers | 2020 | 1 | $124,800 |
| Walkerton Clean Water Centre | Crown Agencies | 2025 | 8 | $122,676 |
| Warden Woods Community Centre | Other Public Sector Employers | 2025 | 2 | $122,719 |
| Wasauksing First Nation | Other Public Sector Employers | 2025 | 5 | $121,144 |
| Water Technology Acceleration Project | Other Public Sector Employers | 2016 | 1 | $243,600 |
| Water Technology Acceleration Project (O/A WaterTAP) | Other Public Sector Employers | 2018 | 3 | $163,634 |
| Waterfront Regeneration Trust | Crown Agencies | 2000 | 1 | $136,800 |
| Waterloo Accelerator Centre | Other Public Sector Employers | 2013 | 1 | $255,000 |
| Waterloo Catholic District School Board | School Boards | 2025 | 1,314 | $120,661 |
| Waterloo County RCSSB | School Boards | 1997 | 1 | $106,821 |
| Waterloo Public Library Board | Municipalities & Services | 2007 | 1 | $111,520 |
| Waterloo Region District School Board | School Boards | 2025 | 3,302 | $118,517 |
| Waterloo Region District School Board | School Boards | 2005 | 39 | $113,837 |
| Waterloo Region Economic Development Corporation | Other Public Sector Employers | 2025 | 10 | $172,447 |
| Waterloo Region Nurse Pracititioner Led Clinic | Other Public Sector Employers | 2025 | 12 | $124,604 |
| Waterloo Region Police Services Board | Other Public Sector Employers | 1996 | 3 | $111,606 |
| Waterloo Region Police Services Brd. | Other Public Sector Employers | 1999 | 3 | $120,182 |
| Waterloo Region Roman Catholic Separate School Board | School Boards | 1996 | 1 | $110,000 |
| Waterloo Regional Health Network | Hospitals & Boards of Public Health | 2025 | 1,584 | $128,386 |
| Waterloo Regional Homes for Mental Health | Other Public Sector Employers | 2015 | 2 | $118,233 |
| Waterloo Research & Technology Park Accelerator | Other Public Sector Employers | 2010 | 1 | $142,240 |
| Waterloo Wellington Community Care Access Centre | Other Public Sector Employers | 2016 | 22 | $125,240 |
| Waterloo-Wellington-Dufferin DHC | Hospitals & Boards of Public Health | 2004 | 1 | $116,025 |
| Waterlution - A Water Learning Experience | Other Public Sector Employers | 2017 | 1 | $107,250 |
| Waubetek Business Development Corporation | Other Public Sector Employers | 2024 | 2 | $117,188 |
| Wauzhushk Onigum Nation | Other Public Sector Employers | 2024 | 1 | $102,896 |
| Wawa Family Health Team | Other Public Sector Employers | 2023 | 1 | $132,156 |
| Waypoint Centre for Mental Health Care | Hospitals & Boards of Public Health | 2025 | 413 | $142,937 |
| Ways Mental Health Support | Other Public Sector Employers | 2020 | 1 | $114,240 |
| Wayside House of Hamilton | Other Public Sector Employers | 2025 | 1 | $147,003 |
| We Charity | Other Public Sector Employers | 2018 | 4 | $122,899 |
| Webequie First Nation | Other Public Sector Employers | 2022 | 2 | $109,305 |
| Wee Chi-it-the-win Family Services Inc. | Other Public Sector Employers | 2015 | 1 | $144,433 |
| Weechi-it-te-win Family Services Inc | Other Public Sector Employers | 2025 | 3 | $132,300 |
| Weeneebayko Area Health Authority | Hospitals & Boards of Public Health | 2025 | 114 | $146,446 |
| Weeneebayko Health Ahtuskaywin | Other Public Sector Employers | 2001 | 1 | $107,032 |
| Welland County | Hospitals & Boards of Public Health | 1999 | 1 | $140,101 |
| Welland County General Hospital | Hospitals & Boards of Public Health | 1998 | 1 | $124,000 |
| Welland County RCSSB | School Boards | 1997 | 1 | $110,910 |
| Welland Heritage Council and Multicultural Centre | Other Public Sector Employers | 2025 | 1 | $132,147 |
| Welland Public Library Board | Municipalities & Services | 2025 | 5 | $116,388 |
| Welland-McMaster Family Health Team | Other Public Sector Employers | 2023 | 1 | $126,755 |
| Wellesley Central Hospital | Hospitals & Boards of Public Health | 1997 | 12 | $161,281 |
| Wellesley Institute | Other Public Sector Employers | 2018 | 2 | $173,600 |
| Wellfort Community Health Services | Other Public Sector Employers | 2025 | 26 | $162,098 |
| Wellington Catholic District School Board | School Boards | 2025 | 410 | $121,743 |
| Wellington County BE | School Boards | 1997 | 1 | $112,836 |
| Wellington County Board of Education | School Boards | 1996 | 1 | $112,836 |
| Wellington County Separate School Board | School Boards | 1996 | 1 | $115,330 |
| Wellington Dufferin Guelph Hlth. Unit | Hospitals & Boards of Public Health | 2004 | 1 | $165,300 |
| Wellington-Dufferin-Guelph Health Unit | Hospitals & Boards of Public Health | 2025 | 47 | $134,641 |
| Wellkin-Child and Youth Mental Wellness | Other Public Sector Employers | 2025 | 1 | $158,120 |
| Wendat Community Programs | Other Public Sector Employers | 2025 | 1 | $148,350 |
| Wentworth County BE | School Boards | 1997 | 1 | $111,711 |
| Wentworth County Board of Education | School Boards | 1996 | 1 | $111,711 |
| Wesley Clover Foundation | Other Public Sector Employers | 2021 | 1 | $100,000 |
| Wesley Urban Ministries Inc | Other Public Sector Employers | 2025 | 6 | $124,780 |
| West Carleton Family Health Team | Other Public Sector Employers | 2023 | 2 | $127,230 |
| West Central Community Health Centres of Toronto | Other Public Sector Employers | 1996 | 3 | $119,981 |
| West Champlain Family Health Team Inc | Other Public Sector Employers | 2023 | 2 | $118,762 |
| West Durham Family Health Team | Other Public Sector Employers | 2023 | 3 | $120,480 |
| West Elgin CHC | Other Public Sector Employers | 2005 | 1 | $205,922 |
| West Elgin Community Health Cent. | Other Public Sector Employers | 1998 | 1 | $101,853 |
| West Elgin Community Health Centre | Other Public Sector Employers | 2025 | 11 | $160,524 |
| West Elgin Community Hlth Ctr. | Other Public Sector Employers | 2001 | 2 | $127,294 |
| West GTA Healthcare Shared Services Corporation | Other Public Sector Employers | 2018 | 13 | $141,873 |
| West Haldimand General Hospital | Hospitals & Boards of Public Health | 2025 | 31 | $120,786 |
| West Hill Community Services | Other Public Sector Employers | 2009 | 3 | $158,427 |
| West Lambton Community Health Centre | Other Public Sector Employers | 2008 | 2 | $180,050 |
| West Lincoln Memorial Hospital | Hospitals & Boards of Public Health | 2013 | 9 | $118,305 |
| West Nipissing | Municipalities & Services | 2002 | 2 | $101,379 |
| West Nipissing Community Health Centre | Other Public Sector Employers | 2016 | 3 | $209,065 |
| West Nipissing Community Health Centre (CSCNO-WNCHC) | Other Public Sector Employers | 2025 | 5 | $217,032 |
| West Nipissing Family Health Team | Other Public Sector Employers | 2023 | 1 | $130,666 |
| West Nipissing General Hosp. | Hospitals & Boards of Public Health | 2004 | 1 | $138,730 |
| West Nipissing General Hospital | Hospitals & Boards of Public Health | 2025 | 37 | $122,191 |
| West Nippissing General Hospital | Hospitals & Boards of Public Health | 2001 | 1 | $110,635 |
| West Park Healthcare Centre | Hospitals & Boards of Public Health | 2023 | 238 | $126,139 |
| West Park Hospital | Hospitals & Boards of Public Health | 1999 | 3 | $155,000 |
| West Parry Sound Board of Education | School Boards | 1996 | 2 | $107,985 |
| West Parry Sound Health Centre | Hospitals & Boards of Public Health | 2025 | 196 | $120,489 |
| West Toronto Support Services | Other Public Sector Employers | 2016 | 1 | $102,628 |
| West Toronto Support Services for Senior Citizens and the Disabled Inc. | Other Public Sector Employers | 2019 | 1 | $115,000 |
| Western Area Youth Services Inc. | Other Public Sector Employers | 2013 | 1 | $108,360 |
| Western Ontario Therapeutic Community Hostel | Other Public Sector Employers | 2013 | 1 | $130,158 |
| Western Ottawa Community Resource Centre | Other Public Sector Employers | 2025 | 4 | $126,511 |
| Westover Treatment Centre | Other Public Sector Employers | 2025 | 1 | $122,970 |
| Westpark Healthcare Centre | Hospitals & Boards of Public Health | 2002 | 6 | $155,321 |
| Wesway Inc | Other Public Sector Employers | 2025 | 4 | $112,122 |
| Wexford Residence | Other Public Sector Employers | 2003 | 1 | $146,312 |
| Wexford Residence Inc | Other Public Sector Employers | 2025 | 9 | $127,938 |
| White Ribbon | Other Public Sector Employers | 2025 | 4 | $144,074 |
| White Ribbon Foundation | Other Public Sector Employers | 2014 | 1 | $110,000 |