| J. D. Griffin Adolescent Centre Inc | Other Public Sector Employers | 2008 | 2 | $122,293 |
| J.D. Griffin Centre | Other Public Sector Employers | 2003 | 1 | $109,285 |
| J.W. MacIntosh Community Support Services | Other Public Sector Employers | 2025 | 1 | $118,808 |
| Jakes House for Autistic Children | Other Public Sector Employers | 2024 | 2 | $180,000 |
| James Bay Association for Community Living | Other Public Sector Employers | 2025 | 1 | $120,786 |
| James Bay General Hospital | Hospitals & Boards of Public Health | 2010 | 1 | $108,954 |
| James Bay Lowlands DSA | School Boards | 2003 | 1 | $107,777 |
| James Bay Lowlands Secondary SB | School Boards | 2005 | 1 | $112,757 |
| James Bay Lowlands Secondary School Board | School Boards | 2025 | 16 | $134,872 |
| James Bay Lowlands SSB | School Boards | 2004 | 1 | $106,856 |
| Jane-Finch Family Health Team | Other Public Sector Employers | 2023 | 2 | $116,417 |
| Japanese Canadian Cultural Centre of Toronto | Other Public Sector Employers | 2022 | 1 | $113,647 |
| Jasmine House (O/A Syrian Canadian Foundation) | Other Public Sector Employers | 2023 | 1 | $105,600 |
| Jean Tweed Centre | Other Public Sector Employers | 2016 | 2 | $118,297 |
| Jean Tweed Treatment Centre | Other Public Sector Employers | 2025 | 3 | $131,350 |
| Jeanne Sauvé Family Services | Other Public Sector Employers | 2009 | 1 | $115,215 |
| Jessie's the June Callwood Centre for Young Women | Other Public Sector Employers | 2025 | 1 | $119,877 |
| Jewish Fam. & Child Srvc, Metro Toronto | Other Public Sector Employers | 2004 | 1 | $150,324 |
| Jewish Family & Child Service | Other Public Sector Employers | 2008 | 6 | $118,595 |
| Jewish Family and Child Service of Greater Toronto | Other Public Sector Employers | 2025 | 45 | $119,156 |
| Jewish Family Services of Ottawa | Other Public Sector Employers | 2025 | 4 | $112,112 |
| Jewish Voc.-Srvcs, Metro Toronto | Other Public Sector Employers | 2001 | 1 | $124,291 |
| Jewish Vocational Service of Metropolitan Toronto | Other Public Sector Employers | 2025 | 8 | $138,618 |
| Jewish Vocational Services | Other Public Sector Employers | 2008 | 2 | $144,125 |
| Jewish Vocational Services Toronto | Other Public Sector Employers | 2009 | 4 | $130,708 |
| JIAS (Jewish Immigrant Aid Services) Toronto | Other Public Sector Employers | 2020 | 1 | $209,321 |
| Job Skills - Employment & Business Programs Support | Other Public Sector Employers | 2010 | 1 | $138,493 |
| Job Skills - Employment and Business Programs and Supports | Other Public Sector Employers | 2021 | 3 | $112,025 |
| Job Start | Other Public Sector Employers | 2011 | 1 | $119,542 |
| Jobs, Vision, Services - Toronto | Other Public Sector Employers | 2003 | 1 | $114,663 |
| Jobs, Vision, Srvcs. - Toronto | Other Public Sector Employers | 2004 | 1 | $118,750 |
| JobStart | Other Public Sector Employers | 2020 | 2 | $147,300 |
| John Howard Society of Durham Region | Other Public Sector Employers | 2025 | 1 | $120,000 |
| John Howard Society of Hamilton Burlington and Area | Other Public Sector Employers | 2024 | 1 | $122,800 |
| John Howard Society of Hamilton, Burlington & Area | Other Public Sector Employers | 2015 | 1 | $129,263 |
| John Howard Society of Kawartha Lakes and Haliburton | Other Public Sector Employers | 2024 | 1 | $113,398 |
| John Howard Society of Kingston | Other Public Sector Employers | 2025 | 1 | $117,602 |
| John Howard Society of London and District | Other Public Sector Employers | 2025 | 1 | $136,005 |
| John Howard Society of Niagara | Other Public Sector Employers | 2025 | 1 | $106,175 |
| John Howard Society of Ontario | Other Public Sector Employers | 2025 | 4 | $129,259 |
| John Howard Society of Ottawa | Other Public Sector Employers | 2025 | 8 | $120,216 |
| John Howard Society of Peel-Halton-Dufferin | Other Public Sector Employers | 2025 | 1 | $107,869 |
| John Howard Society of Thunder Bay and District | Other Public Sector Employers | 2025 | 1 | $107,491 |
| John Howard Society of Toronto | Other Public Sector Employers | 2025 | 2 | $118,846 |
| John Howard Society of Waterloo-Wellington | Other Public Sector Employers | 2025 | 1 | $124,853 |
| John Howard Society of Waterloo–Wellington | Other Public Sector Employers | 2012 | 1 | $102,333 |
| John Howard Society of Windsor and Essex County | Other Public Sector Employers | 2025 | 1 | $121,432 |
| John Howard Society of York Region | Other Public Sector Employers | 2025 | 2 | $116,424 |
| John McGivney Children's Centre | Other Public Sector Employers | 2025 | 4 | $130,481 |
| John McGivney Children's Centre School Authority | School Boards | 2025 | 6 | $126,532 |
| John McGivney Childrens Treatment Centre | Other Public Sector Employers | 2006 | 1 | $108,472 |
| John Noble Home | Other Public Sector Employers | 2025 | 9 | $126,839 |
| Joint Planning & Policy Committee | Other Public Sector Employers | 2001 | 1 | $115,406 |
| Joint Policy & Planning Committee | Other Public Sector Employers | 2008 | 2 | $103,617 |
| Joint Policy and Planning Committee | Other Public Sector Employers | 2006 | 1 | $120,000 |
| Joint Training and Apprenticeship Committee | Other Public Sector Employers | 2014 | 5 | $135,253 |
| Joint Training and Apprenticeship Committee Refrigeration Workers Local 787 Orac Training Fund | Other Public Sector Employers | 2016 | 4 | $130,749 |
| Joseph Brant Hospital | Hospitals & Boards of Public Health | 2025 | 464 | $125,024 |
| Joseph Brant Memorial | Hospitals & Boards of Public Health | 1999 | 5 | $142,088 |
| Joseph Brant Memorial Hosp., Burlington | Hospitals & Boards of Public Health | 1997 | 4 | $152,663 |
| Judicial Appointments Advisory Committee/Comité consultatif sur les nominations à la magistrature | Crown Agencies | 2017 | 1 | $112,068 |
| Justices of the Peace Appointments Advisory Committee | Crown Agencies | 2025 | 1 | $121,602 |
| Justices of the Peace Appointments Advisory Committee / Comité consultatif sur la nomination des juges de paix | Crown Agencies | 2017 | 1 | $113,766 |