| Canadian Mental Health Association – North Bay and District | Other Public Sector Employers | 2025 | 7 | $131,717 |
| Canadian Mental Health Association – Ontario Division | Other Public Sector Employers | 2025 | 16 | $152,302 |
| Canadian Mental Health Association – Peel Branch | Other Public Sector Employers | 2025 | 23 | $126,174 |
| Canadian Mental Health Association – Sault Ste Marie Branch | Other Public Sector Employers | 2020 | 1 | $100,311 |
| Canadian Mental Health Association – Sudbury/Manitoulin | Other Public Sector Employers | 2025 | 8 | $122,442 |
| Canadian Mental Health Association – Windsor-Essex County Branch | Other Public Sector Employers | 2025 | 21 | $144,288 |
| Canadian Mental Health Association, Brant-Haldimand-Norfolk Branches | Other Public Sector Employers | 2014 | 1 | $107,877 |
| Canadian Mental Health Association, Chatham-Kent | Other Public Sector Employers | 2011 | 1 | $135,000 |
| Canadian Mental Health Association, Cochrane–Timiskaming Branch / Association Canadienne pour la Santé Mentale–filiale Cochrane–Timiskaming | Other Public Sector Employers | 2012 | 3 | $112,942 |
| Canadian Mental Health Association, Elgin | Other Public Sector Employers | 2008 | 1 | $101,180 |
| Canadian Mental Health Association, Grand River Branch | Other Public Sector Employers | 2012 | 1 | $110,625 |
| Canadian Mental Health Association, Haldimand-Norfolk Branch | Other Public Sector Employers | 2013 | 1 | $100,502 |
| Canadian Mental Health Association, Kawartha Lakes Br. | Other Public Sector Employers | 2009 | 1 | $107,388 |
| Canadian Mental Health Association, Kawartha Lakes Branch | Other Public Sector Employers | 2011 | 1 | $100,295 |
| Canadian Mental Health Association, Lambton County | Other Public Sector Employers | 2010 | 2 | $104,663 |
| Canadian Mental Health Association, Lambton–Kent | Other Public Sector Employers | 2012 | 1 | $135,018 |
| Canadian Mental Health Association, London-Middlesex | Other Public Sector Employers | 2011 | 1 | $106,000 |
| Canadian Mental Health Association, London-Middlesex Branch | Other Public Sector Employers | 2013 | 1 | $106,015 |
| Canadian Mental Health Association, London–Middlesex | Other Public Sector Employers | 2012 | 1 | $106,005 |
| Canadian Mental Health Association, Ottawa | Other Public Sector Employers | 2008 | 1 | $142,027 |
| Canadian Mental Health Association, Peel | Other Public Sector Employers | 2013 | 3 | $117,866 |
| Canadian Mental Health Association, Peel Branch / Association canadienne pour la santé mentale l’agence Peel | Other Public Sector Employers | 2012 | 2 | $116,399 |
| Canadian Mental Health Association, Peterborough | Other Public Sector Employers | 2008 | 1 | $124,578 |
| Canadian Mental Health Association, Peterborough Branch | Other Public Sector Employers | 2012 | 1 | $145,144 |
| Canadian Mental Health Association, Simcoe County | Other Public Sector Employers | 2008 | 3 | $193,152 |
| Canadian Mental Health Association, Sudbury / Manitoulin | Other Public Sector Employers | 2014 | 1 | $110,467 |
| Canadian Mental Health Association, Thames Valley Addiction & Mental Health Services | Other Public Sector Employers | 2025 | 15 | $118,407 |
| Canadian Mental Health Association, Waterloo Wellington Dufferin Branch / Association canadienne pour la santé mentale Waterloo Wellington Dufferin Branch | Other Public Sector Employers | 2013 | 4 | $126,854 |
| Canadian Mental Health Association, York Region | Other Public Sector Employers | 2013 | 2 | $114,658 |
| Canadian Mental Health Association, York Region Branch | Other Public Sector Employers | 2025 | 29 | $145,603 |
| Canadian Mental Health Association- Fort Frances Branch | Other Public Sector Employers | 2025 | 6 | $119,237 |
| Canadian Mental Health Association-Simcoe County Branch | Other Public Sector Employers | 2025 | 10 | $133,584 |
| Canadian Mental Health Association-Sudbury/Manitoulin\Association Canadienne Pour la Sante Mentale-Sudbury/Manitoulin | Other Public Sector Employers | 2018 | 2 | $121,676 |
| Canadian Mental Heatlh Association - Metro Toronto | Other Public Sector Employers | 2006 | 2 | $119,130 |
| Canadian MH Association, Ont. | Other Public Sector Employers | 2005 | 2 | $107,662 |
| Canadian Mothercraft Society | Other Public Sector Employers | 2017 | 3 | $114,306 |
| Canadian Nat. Institute for the Blind | Other Public Sector Employers | 1999 | 7 | $128,697 |
| Canadian National Institute for the Blind (CNIB) | Other Public Sector Employers | 2020 | 37 | $144,457 |
| Canadian Opera House Corporation | Other Public Sector Employers | 2006 | 2 | $171,202 |
| Canadian Paraplegic Assoc. ON | Other Public Sector Employers | 2004 | 1 | $128,339 |
| Canadian Paraplegic Association Ont. | Other Public Sector Employers | 2005 | 1 | $135,277 |
| Canadian Paraplegic Association Ontario | Other Public Sector Employers | 2011 | 3 | $132,031 |
| Canadian Parents for French Ontario | Other Public Sector Employers | 2025 | 1 | $132,004 |
| Canadian Red Cross - Ont. Zone | Other Public Sector Employers | 1997 | 1 | $112,141 |
| Canadian Red Cross Society | Other Public Sector Employers | 2025 | 132 | $133,866 |
| Canadian Reformed Society for a Home for the Aged Inc. | Other Public Sector Employers | 2012 | 1 | $105,673 |
| Canadian Reformed Society for a Home for the Aged Inc. o/a Mount Nemo Christian Nursing Home | Other Public Sector Employers | 2013 | 1 | $109,912 |
| Canadian Reformed Society for a Home for the Aged Incorporated | Other Public Sector Employers | 2011 | 1 | $106,077 |
| Canadian Safe School Network | Other Public Sector Employers | 2013 | 1 | $135,000 |
| Canadian Sport Centre | Other Public Sector Employers | 2009 | 4 | $118,167 |
| Canadian Sport Centre - Ontario | Other Public Sector Employers | 2011 | 4 | $122,881 |
| Canadian Sport Institute Ontario | Other Public Sector Employers | 2025 | 6 | $142,442 |
| Canadian Stroke Network | Other Public Sector Employers | 2005 | 2 | $111,967 |
| Canadian Tire Jumpstart Charities | Other Public Sector Employers | 2025 | 2 | $109,126 |
| Canadian Ukrainian Immigrant Aid Society | Other Public Sector Employers | 2025 | 2 | $114,741 |
| Canadian Urban Institute | Other Public Sector Employers | 2018 | 3 | $127,649 |
| Canadian Wheelchair Basketball Association | Other Public Sector Employers | 2017 | 3 | $110,899 |
| Canadian Women & Sport | Other Public Sector Employers | 2025 | 3 | $161,017 |
| Canadian Working Group on HIV and Rehabilitation (CWGHR) | Other Public Sector Employers | 2018 | 1 | $111,540 |
| Canadian Youth Business Foundation | Other Public Sector Employers | 2012 | 6 | $173,812 |
| Canadore College of Applied Arts and Technology | Colleges | 2025 | 144 | $130,324 |
| Cancer Care Ontario | Crown Agencies | 2019 | 208 | $129,749 |
| Canes Community Care | Other Public Sector Employers | 2025 | 13 | $124,466 |
| Canes Family Health Team | Other Public Sector Employers | 2014 | 1 | $128,271 |
| Canoe Ontario | Other Public Sector Employers | 2025 | 1 | $101,031 |
| Canopy Support Services | Other Public Sector Employers | 2025 | 8 | $113,213 |
| Canton d'Alfred et Plantagenet | Municipalities & Services | 2014 | 2 | $109,629 |
| Canton d'Alfred-Plantagenet / Township of Alfred-Plantagenet | Municipalities & Services | 2013 | 1 | $115,851 |
| Capability Support Services Inc | Other Public Sector Employers | 2017 | 1 | $110,426 |
| Capacity Canada | Other Public Sector Employers | 2016 | 1 | $148,505 |
| Capacity Waterloo Region | Other Public Sector Employers | 2015 | 1 | $144,179 |
| Capreol Nurse Pracititioner Led Clinic | Other Public Sector Employers | 2023 | 4 | $124,991 |
| Capreol Nurse Practitioner Led Clinic | Other Public Sector Employers | 2016 | 1 | $106,870 |
| Care Centre for Internationally Educated Nurses | Other Public Sector Employers | 2025 | 2 | $120,161 |
| Career Foundation | Other Public Sector Employers | 2025 | 7 | $141,280 |
| Career Services of Brockville | Other Public Sector Employers | 2025 | 1 | $116,338 |
| Careers for Inclusion Inc | Other Public Sector Employers | 2023 | 1 | $116,200 |
| Carefirst Family Health Team | Other Public Sector Employers | 2023 | 12 | $202,701 |
| Carefirst Seniors and Community Services Association | Other Public Sector Employers | 2025 | 6 | $133,130 |
| Carefor Health and Community Services | Other Public Sector Employers | 2025 | 30 | $126,449 |
| Caribbean African Canadian (CAFCAN) Social Services | Other Public Sector Employers | 2024 | 3 | $112,174 |
| Caritas School of Life | Other Public Sector Employers | 2025 | 1 | $118,700 |
| Carizon Family and Community Services | Other Public Sector Employers | 2022 | 6 | $118,227 |
| Carleton Board of Education | School Boards | 1997 | 6 | $119,112 |
| Carleton Place | Hospitals & Boards of Public Health | 2005 | 1 | $123,188 |
| Carleton Place and District Memorial Hospital | Hospitals & Boards of Public Health | 2025 | 31 | $124,943 |
| Carleton RCSSB | School Boards | 1997 | 4 | $111,415 |
| Carleton Roman Catholic School Board | School Boards | 1996 | 1 | $113,424 |
| Carleton University | Universities | 2025 | 1,390 | $159,897 |
| Carlington Community & Health Srvcs | Other Public Sector Employers | 2003 | 1 | $133,120 |
| Carlington Community & Hlth. Srvcs. | Other Public Sector Employers | 2004 | 4 | $118,162 |
| Carlington Community Health Centre | Other Public Sector Employers | 2025 | 10 | $209,191 |
| Carlo Biasucci Consulting Inc(O/A Elite Practice) | Other Public Sector Employers | 2023 | 2 | $143,216 |
| Caroline Family Health Team of Burlington | Other Public Sector Employers | 2023 | 3 | $119,460 |
| Carpenters & Joiners Local 494 Benefit | Other Public Sector Employers | 2025 | 2 | $113,157 |
| Carpenters District Council of Ontario | Other Public Sector Employers | 2024 | 2 | $119,273 |
| Carpenters Local 1669 Training Centre | Other Public Sector Employers | 2025 | 1 | $108,745 |
| Carpenters Local 93 Training Centre Association | Other Public Sector Employers | 2025 | 3 | $116,333 |
| Carpenters' Regional Council | Other Public Sector Employers | 2025 | 1 | $117,212 |
| CAS - Algoma | Other Public Sector Employers | 2006 | 1 | $118,595 |