| Safeguards Training for Children and Adult Services | Other Public Sector Employers | 2024 | 1 | $103,806 |
| Safehaven Proj for Community Living | Other Public Sector Employers | 2005 | 1 | $125,000 |
| Safehaven Proj. for Comm. Living | Other Public Sector Employers | 2004 | 1 | $125,000 |
| Safehaven Project for Comm. Living | Other Public Sector Employers | 2002 | 1 | $100,125 |
| Safehaven Project for Community Living | Other Public Sector Employers | 2025 | 18 | $130,162 |
| Safehope Home | Other Public Sector Employers | 2025 | 1 | $115,000 |
| Safety, Licensing Appeals and Standards Tribunals Ontario / Animal Care Review Board /Fire Safety Commission / Licence Appeal Tribunal/ Ontario Civilian Police Commission / Ontario Parole Board | Crown Agencies | 2023 | 8 | $111,752 |
| Safety, Licensing Appeals and Standards Tribunals Ontario / Animal Care Review Board /Fire Safety Commission / Licence Appeal Tribunal/Ontario Civilian Police Commission / Ontario Parole Board | Crown Agencies | 2018 | 2 | $161,372 |
| Safety, Licensing Appeals and Standards Tribunals Ontario / Animal Care Review Board /Fire Safety Commission / Licence Appeal Tribunal/Ontario Civilian Police Commission / Ontario Parole Board/Tribunaux de la sécurité, des appels en matière de permis et des normes Ontario / Commission d’étude des soins aux animaux / Commission de la sécurité-incendie / Tribunal d’appel en matière de permis / Commission civile de l’Ontario sur la police / Commission ntarienne des libérations conditionnelles | Crown Agencies | 2017 | 1 | $144,676 |
| Sagamok Anishnawbek First Nation | Other Public Sector Employers | 2025 | 12 | $121,943 |
| Saint Elizabeth Fountation | Other Public Sector Employers | 2019 | 1 | $114,038 |
| Saint Luke's Place | Other Public Sector Employers | 2025 | 8 | $124,359 |
| Saint Monica House | Other Public Sector Employers | 2021 | 1 | $108,525 |
| Saint Paul University | Universities | 2025 | 77 | $130,753 |
| Salvation Army Toronto Grace Health Centre | Hospitals & Boards of Public Health | 2025 | 113 | $125,807 |
| Salvation Army Toronto Grace Hospital | Hospitals & Boards of Public Health | 2005 | 2 | $122,985 |
| Sandbox Centre for Shared Entrepreneurship & Innovation (O/A Sandbox Centre) | Other Public Sector Employers | 2025 | 1 | $140,000 |
| Sandgate Women’s Shelter of York Region Inc. | Other Public Sector Employers | 2025 | 2 | $118,647 |
| Sandwich CHC | Other Public Sector Employers | 2004 | 1 | $159,596 |
| Sandwich CHS | Other Public Sector Employers | 2005 | 1 | $178,899 |
| Sandwich Community Health Centre | Other Public Sector Employers | 2008 | 4 | $157,059 |
| Sandy Hill Community Health Centre | Other Public Sector Employers | 2025 | 20 | $197,530 |
| Sanguen Health Centre Foundation | Other Public Sector Employers | 2025 | 1 | $147,126 |
| Santé Manitouwadge Health | Hospitals & Boards of Public Health | 2025 | 17 | $123,080 |
| Sarnia General Hospital | Hospitals & Boards of Public Health | 1997 | 1 | $107,823 |
| Sarnia Lambton Economic Partnership | Municipalities & Services | 2016 | 1 | $145,646 |
| Sarnia Lambton Economic Partnership Association | Other Public Sector Employers | 2024 | 1 | $168,435 |
| Sarnia-Lambton "Rebound" - A Program for Youth | Other Public Sector Employers | 2025 | 1 | $106,210 |
| Sarnia-Lambton CAS | Other Public Sector Employers | 2003 | 1 | $106,260 |
| Sarnia-Lambton Children's Aid Society | Other Public Sector Employers | 2025 | 19 | $128,682 |
| SARS Commission | Crown Agencies | 2006 | 1 | $161,106 |
| Sauble Family Health Team | Other Public Sector Employers | 2023 | 1 | $176,516 |
| Saugeen First Nation (29) | Other Public Sector Employers | 2025 | 3 | $136,413 |
| Saugeen Valley Conservation Authority | Other Public Sector Employers | 2018 | 1 | $105,453 |
| Sault Area Hospital | Hospitals & Boards of Public Health | 2025 | 561 | $121,273 |
| Sault College of Applied Arts and Technology | Colleges | 2025 | 129 | $130,436 |
| Sault Community Information and Career Centre | Other Public Sector Employers | 2025 | 3 | $108,140 |
| Sault Ste Marie Innovation Centre | Other Public Sector Employers | 2025 | 3 | $109,783 |
| Sault Ste Marie Police Services | Municipalities & Services | 2025 | 148 | $136,751 |
| Sault Ste. Marie & Dis. Grp Hlth Assoc. | Other Public Sector Employers | 2002 | 1 | $149,425 |
| Sault Ste. Marie and District Group Health Association | Other Public Sector Employers | 2025 | 27 | $127,951 |
| Sault Ste. Marie BE | School Boards | 1997 | 1 | $108,428 |
| Sault Ste. Marie Board of Education | School Boards | 1996 | 1 | $104,821 |
| Sault Ste. Marie Distirct R.C. Separate School Board | School Boards | 1996 | 1 | $102,704 |
| Sault Ste. Marie Distirct RCSSB | School Boards | 1997 | 1 | $112,931 |
| Sault Ste. Marie Economic Development Corporation | Other Public Sector Employers | 2012 | 3 | $118,733 |
| Scadding Court Community Centre | Other Public Sector Employers | 2024 | 2 | $114,905 |
| Scarborough Academic Family Health Team | Other Public Sector Employers | 2023 | 3 | $117,856 |
| Scarborough Board of Education | School Boards | 1997 | 21 | $115,661 |
| Scarborough CCAC | Other Public Sector Employers | 1999 | 1 | $105,551 |
| Scarborough Centre for Healthy Communities | Other Public Sector Employers | 2025 | 24 | $177,609 |
| Scarborough General Hospital | Hospitals & Boards of Public Health | 1998 | 8 | $152,966 |
| Scarborough Grace Hospital | Hospitals & Boards of Public Health | 1998 | 3 | $128,290 |
| Scarborough Health Network | Hospitals & Boards of Public Health | 2025 | 1,843 | $124,816 |
| Scarborough Hospital | Hospitals & Boards of Public Health | 2016 | 236 | $118,285 |
| Scarborough Public Library Board | Other Public Sector Employers | 1997 | 1 | $106,370 |
| Scarborough Salvation Army Grace Hosp. | Hospitals & Boards of Public Health | 1997 | 3 | $128,704 |
| Scarborough Support Services for the Elderly Inc. | Other Public Sector Employers | 2009 | 1 | $126,173 |
| Schizophrenia Society of Ontario | Other Public Sector Employers | 2019 | 2 | $123,250 |
| Schlegel-University of Waterloo Research Institute for Aging Foundation | Other Public Sector Employers | 2015 | 1 | $154,000 |
| Schlegel-UW Research Institute for Aging Foundation | Other Public Sector Employers | 2025 | 5 | $142,839 |
| School Bus Association of Ontario | Other Public Sector Employers | 2023 | 1 | $192,751 |
| Science Media Centre of Canada | Other Public Sector Employers | 2011 | 1 | $130,000 |
| Science North | Crown Agencies | 2025 | 10 | $123,322 |
| Seaway Valley Community Health Centre Inc | Other Public Sector Employers | 2025 | 15 | $147,283 |
| Sedna Women's Shelter and Support Services Inc | Other Public Sector Employers | 2025 | 1 | $113,702 |
| Seneca College of Applied Arts and Technology | Colleges | 2025 | 989 | $135,890 |
| Senior Peoples' Resources in North Toronto Inc. | Other Public Sector Employers | 2016 | 2 | $123,190 |
| Senior Persons Living Connected | Other Public Sector Employers | 2025 | 6 | $127,401 |
| Senior Support Services-Lanark, Leeds and Grenville | Other Public Sector Employers | 2025 | 1 | $120,513 |
| Seniors Affairs | Government of Ontario – Ministries | 2018 | 17 | $115,893 |
| Seniors and Accessibility | Government of Ontario – Ministries | 2025 | 96 | $136,493 |
| Sensenbrenner Hospital | Hospitals & Boards of Public Health | 2025 | 62 | $121,976 |
| Serenity House Inc | Other Public Sector Employers | 2025 | 2 | $120,833 |
| Serv. aux enfants et adultes de P-R | Other Public Sector Employers | 2004 | 1 | $142,875 |
| Service Comm. de la géronto-psychiatrie d'Ottawa | Hospitals & Boards of Public Health | 2009 | 1 | $123,452 |
| Service communautaire de la géronto-psychiatrie d'Ottawa | Other Public Sector Employers | 2014 | 1 | $140,766 |
| Service communautaire de la géronto–psychiatrie d'Ottawa | Other Public Sector Employers | 2012 | 1 | $132,200 |
| Service Coordination for Persons With Special Needs | Other Public Sector Employers | 2025 | 7 | $132,563 |
| Services and Housing in the Province (SHIP) | Other Public Sector Employers | 2025 | 8 | $129,028 |
| Services aux enfants et adultes de Prescott–Russell | Other Public Sector Employers | 2007 | 5 | $118,060 |
| Services Communautaires de Prescott-Russell | Other Public Sector Employers | 2024 | 1 | $100,652 |
| Services de Counselling Hearst-Kapuskasing-Smooth Rock Falls | Other Public Sector Employers | 2014 | 1 | $134,682 |
| Services de Counselling Hearst–Kapuskasing–Smooth Rock Falls | Other Public Sector Employers | 2015 | 1 | $139,400 |
| Services de santé de Chapleau | Hospitals & Boards of Public Health | 2008 | 1 | $134,004 |
| Services de Santé de Chapleau Health Services | Hospitals & Boards of Public Health | 2025 | 16 | $117,931 |
| Services familiaux Jeanne Sauvé Family Services | Other Public Sector Employers | 2011 | 7 | $128,355 |
| Services à l'enfance et à la famille du Timiskaming Child & Family Services | Other Public Sector Employers | 2011 | 4 | $127,420 |
| Services, counselling Hearst/Kapuskasing/Smooth Rock Falls | Other Public Sector Employers | 2010 | 1 | $112,470 |
| Seven Generations Education Institute | Other Public Sector Employers | 2025 | 17 | $124,504 |
| Sex Information and Education Council of Canada | Other Public Sector Employers | 2025 | 2 | $110,621 |
| Sexual Assault and Violence Intervention Services of Halton | Other Public Sector Employers | 2025 | 1 | $133,083 |
| Sexual Assault Centre Kingston Inc | Other Public Sector Employers | 2024 | 1 | $100,844 |
| Sexual Assault Crisis Centre of Essex County Inc | Other Public Sector Employers | 2025 | 1 | $114,231 |
| Sexual Assault Support Centre of Ottawa | Other Public Sector Employers | 2024 | 1 | $104,384 |
| Sexual Assault Support Centre of Waterloo Region | Other Public Sector Employers | 2025 | 1 | $117,412 |
| Sexual Assault/Rape Crisis Centre of Peel | Other Public Sector Employers | 2022 | 1 | $110,000 |
| Shad Valley International | Other Public Sector Employers | 2016 | 6 | $179,281 |
| Shalom Community Village | Other Public Sector Employers | 2025 | 1 | $142,632 |
| Shalom Manor Long Term Care Home | Other Public Sector Employers | 2025 | 11 | $123,704 |