| F J Davey Home | Other Public Sector Employers | 2025 | 18 | $124,113 |
| FACS - Guelph & Wellington County | Other Public Sector Employers | 2005 | 1 | $121,578 |
| FACS - Niagara | Other Public Sector Employers | 2005 | 5 | $114,144 |
| FACS - Renfrew County | Other Public Sector Employers | 2005 | 1 | $135,270 |
| FACS - Waterloo Region | Other Public Sector Employers | 2005 | 2 | $134,615 |
| Fair Chance Learning Inc | Other Public Sector Employers | 2025 | 1 | $120,000 |
| Fairhaven | Other Public Sector Employers | 2015 | 2 | $118,576 |
| Fairhaven Home for Senior Citizens | Other Public Sector Employers | 2025 | 20 | $122,701 |
| Fairview Mennonite Home | Other Public Sector Employers | 2015 | 1 | $103,582 |
| Fairview Mennonite Homes | Other Public Sector Employers | 2025 | 13 | $125,545 |
| Fam.& Chld.Srvs.of Brockville & Unit.Count. Leeds & Grenv | Other Public Sector Employers | 2006 | 2 | $111,087 |
| Family & Children Services of Niagara | Other Public Sector Employers | 2006 | 4 | $121,550 |
| Family & Children Services, St Thomas and Elgin | Other Public Sector Employers | 2006 | 1 | $112,990 |
| Family & Children's Services Lennox & Addington | Other Public Sector Employers | 2008 | 1 | $120,829 |
| Family & Children's Services of Guelph & Wellington County | Other Public Sector Employers | 2006 | 2 | $106,249 |
| Family & Children's Services of the District of Rainy River | Other Public Sector Employers | 2009 | 1 | $115,490 |
| Family & Children's Services of the Rainy River District | Other Public Sector Employers | 2010 | 1 | $114,261 |
| Family & Children's Services, Brockville/Leeds & Grenville | Other Public Sector Employers | 2009 | 5 | $112,958 |
| Family and Children's Services of Frontenac Lennox and Addington | Other Public Sector Employers | 2025 | 25 | $120,080 |
| Family and Children's Services of Lanark Leeds and Grenville | Other Public Sector Employers | 2025 | 25 | $118,060 |
| Family and Children's Services of Renfrew County | Other Public Sector Employers | 2025 | 19 | $125,981 |
| Family and Children's Services of St Thomas and Elgin | Other Public Sector Employers | 2025 | 19 | $133,526 |
| Family Councils of Ontario | Other Public Sector Employers | 2025 | 1 | $113,403 |
| Family Counselling Centre Niagara | Other Public Sector Employers | 2008 | 9 | $108,579 |
| Family Counselling Centre of Brant Inc | Other Public Sector Employers | 2021 | 1 | $155,192 |
| Family Counselling Centre of Cambridge and North Dumfries | Other Public Sector Employers | 2025 | 1 | $116,393 |
| Family Day Care Services | Other Public Sector Employers | 2017 | 2 | $130,095 |
| Family First Family Health Team | Other Public Sector Employers | 2023 | 3 | $112,136 |
| Family Health Team of Hamilton Inc | Other Public Sector Employers | 2023 | 5 | $121,215 |
| Family Serv. Assoc. of Metro Toronto | Other Public Sector Employers | 1998 | 1 | $101,578 |
| Family Service Assn. of Metro Toronto | Other Public Sector Employers | 1997 | 1 | $101,621 |
| Family Service Assn. of Metropolitan Toronto | Other Public Sector Employers | 1996 | 1 | $102,128 |
| Family Service Assoc. - Toronto | Other Public Sector Employers | 2002 | 2 | $112,822 |
| Family Service Association of Toronto | Other Public Sector Employers | 2007 | 3 | $113,045 |
| Family Service Ontario | Other Public Sector Employers | 2017 | 1 | $102,000 |
| Family Service Thames Valley | Other Public Sector Employers | 2025 | 1 | $113,563 |
| Family Service Toronto | Other Public Sector Employers | 2025 | 11 | $121,941 |
| Family Services a la Famille Ottawa | Other Public Sector Employers | 2017 | 1 | $125,089 |
| Family Services of Peel | Other Public Sector Employers | 2025 | 1 | $120,000 |
| Family Services of York Region | Other Public Sector Employers | 2012 | 1 | $102,392 |
| Family Services Ottawa | Other Public Sector Employers | 2025 | 2 | $154,487 |
| Family Services Perth-Huron | Other Public Sector Employers | 2025 | 1 | $115,790 |
| Family Services Windsor-Essex | Other Public Sector Employers | 2025 | 2 | $141,621 |
| Family Services York Region | Other Public Sector Employers | 2025 | 4 | $130,960 |
| Family Transition Place | Other Public Sector Employers | 2025 | 1 | $109,050 |
| Family, Youth & Child Services of Muskoka | Other Public Sector Employers | 2014 | 5 | $113,900 |
| Fanshawe College of Applied Arts and Technology | Colleges | 2025 | 639 | $128,595 |
| Farm & Food Care Ontario | Other Public Sector Employers | 2023 | 1 | $129,929 |
| Farm and Food Care Ontario | Other Public Sector Employers | 2014 | 1 | $160,576 |
| Farm Products Marketing Comm. | Crown Agencies | 1998 | 1 | $116,372 |
| Fast Track Community Centre for Skills Development and Training | Other Public Sector Employers | 2025 | 5 | $120,329 |
| Fedcap Canada | Other Public Sector Employers | 2024 | 8 | $121,229 |
| Federation de la Jeunesse Franco-ontarienne (FESFO) | Other Public Sector Employers | 2025 | 1 | $107,006 |
| Federation of Ontario Cottagers Associations Inc | Other Public Sector Employers | 2025 | 1 | $110,635 |
| Federation of Ontario Naturalists | Other Public Sector Employers | 2010 | 1 | $118,278 |
| Fenelon Family Health Team | Other Public Sector Employers | 2008 | 1 | $100,381 |
| Fernie House | Other Public Sector Employers | 2013 | 1 | $118,700 |
| Fernie Youth Service | Other Public Sector Employers | 2014 | 1 | $121,188 |
| Fernie Youth Services | Other Public Sector Employers | 2025 | 2 | $115,194 |
| Fields Inst.-Research in Math.Sci. | Crown Agencies | 1997 | 1 | $118,380 |
| Fields Institute for Research in Math Sciences | Other Public Sector Employers | 2025 | 5 | $121,335 |
| Fields Institute for Research in Mathematical Sciences | Other Public Sector Employers | 2016 | 2 | $127,177 |
| Fife House Foundation | Other Public Sector Employers | 2025 | 2 | $108,037 |
| Fife House Foundation Inc | Other Public Sector Employers | 2006 | 1 | $105,754 |
| Finance | Government of Ontario – Ministries | 2025 | 656 | $136,822 |
| Financial Accountability Officer | Government of Ontario – Legislative Assembly and Offices | 2025 | 13 | $182,682 |
| Financial Services Commission | Crown Agencies | 2019 | 25 | $129,930 |
| Financial Services Regulatory Authority of Ontario | Crown Agencies | 2025 | 444 | $152,583 |
| Financial Services Tribunal | Crown Agencies | 2025 | 1 | $127,025 |
| Findhelp Information Services | Other Public Sector Employers | 2025 | 6 | $130,912 |
| Finlandia Nursing Home Limited | Other Public Sector Employers | 2017 | 2 | $113,437 |
| Fire Marshal's Public Fire Safety Council | Crown Agencies | 2025 | 1 | $159,999 |
| Fire Marshal's Public Safety Council | Crown Agencies | 2016 | 1 | $167,346 |
| Fire Safety Commission | Crown Agencies | 2016 | 1 | $120,419 |
| FIREFLY (Lake of the Woods Child Development Centre) / FIREFLY (Centre de développement des enfants de Lake of the Woods | Other Public Sector Employers | 2011 | 1 | $105,750 |
| Firefly (Physical Emotional Developmental and Community Services) | Other Public Sector Employers | 2025 | 16 | $122,260 |
| FIREFLY - Physical, Emotional, Developmental & Community Services / FIREFLY - Services physique, émotifs, communautaires et pour le développement | Other Public Sector Employers | 2013 | 1 | $137,442 |
| First Nations Agriculture and Financing of Ontario | Other Public Sector Employers | 2025 | 2 | $130,670 |
| First Nations Technical Institute | Other Public Sector Employers | 2025 | 5 | $113,287 |
| First Robotics Canada | Other Public Sector Employers | 2025 | 5 | $130,914 |
| Five Counties Children's Centre | Other Public Sector Employers | 2025 | 10 | $129,967 |
| Flemingdon Health Centre | Other Public Sector Employers | 2025 | 28 | $168,726 |
| Flemingdon Hlth. Centre | Other Public Sector Employers | 2004 | 1 | $111,936 |
| Flowers Canada (Ontario) Inc | Other Public Sector Employers | 2017 | 1 | $108,039 |
| Food and Beverage Ontario | Other Public Sector Employers | 2016 | 1 | $150,000 |
| Food for Life Canada Charitable Corporation | Other Public Sector Employers | 2020 | 1 | $106,037 |
| Food Processing Skills Canada | Other Public Sector Employers | 2023 | 2 | $192,163 |
| Football Ontario | Other Public Sector Employers | 2025 | 1 | $107,500 |
| For Youth Initiative in Toronto | Other Public Sector Employers | 2024 | 1 | $105,365 |
| Forest Gene Conservation Association of Ontario | Other Public Sector Employers | 2024 | 1 | $100,000 |
| Forest Ontario | Other Public Sector Employers | 2016 | 2 | $131,899 |
| Forests Ontario | Other Public Sector Employers | 2023 | 2 | $160,000 |
| Fort Erie Economic Development & Tourism Corp | Other Public Sector Employers | 2008 | 1 | $117,420 |
| Fort Frances Community Clinic Inc | Other Public Sector Employers | 2024 | 2 | $122,664 |
| Fort Frances Tribal Area Health Services Inc | Other Public Sector Employers | 2022 | 7 | $123,653 |
| Fort Frances-Rainy River BE | School Boards | 1997 | 1 | $111,845 |
| Fort Frances-Rainy River Board of Education | School Boards | 1996 | 1 | $103,860 |
| Fort William Family Health Team Inc | Other Public Sector Employers | 2023 | 3 | $128,338 |
| Fort William First Nation | Other Public Sector Employers | 2025 | 2 | $168,566 |
| FortFrances&Dst.Assc.for Com.Liv. | Other Public Sector Employers | 2001 | 1 | $136,620 |