| Radiation Safety Institute of Canada | Other Public Sector Employers | 2016 | 2 | $142,500 |
| Radiation Safety Institute of Canada (RSIC) | Other Public Sector Employers | 2021 | 1 | $167,475 |
| Radius Child and Youth Services | Other Public Sector Employers | 2024 | 1 | $108,364 |
| Rainbow District School Board | School Boards | 2025 | 810 | $120,314 |
| Rainy River Dist Social Srvcs Admin Bd | Other Public Sector Employers | 2005 | 1 | $100,039 |
| Rainy River District School Board | School Boards | 2025 | 175 | $122,318 |
| Rainy River District Social Services Admin Board | Other Public Sector Employers | 2025 | 38 | $127,803 |
| Rainy River District Social Services Administration Board | Other Public Sector Employers | 2016 | 5 | $111,185 |
| Rainy River First Nations | Other Public Sector Employers | 2021 | 1 | $112,826 |
| Rainycrest-District Home for the Aged | Other Public Sector Employers | 2005 | 1 | $105,177 |
| Raisin Region Conservation Authority | Other Public Sector Employers | 2025 | 4 | $119,971 |
| Rapids Family Health Team | Other Public Sector Employers | 2023 | 6 | $124,499 |
| Ray of Hope Inc | Other Public Sector Employers | 2025 | 2 | $111,758 |
| Reach Out Centre for Kids | Other Public Sector Employers | 2025 | 9 | $143,652 |
| Reaching Out Family Homes Inc | Other Public Sector Employers | 2017 | 1 | $170,000 |
| Reading Partnership | Other Public Sector Employers | 2025 | 1 | $132,437 |
| Reception House Waterloo Region | Other Public Sector Employers | 2017 | 1 | $116,221 |
| Reconnect Health Services | Other Public Sector Employers | 2025 | 11 | $145,444 |
| Reconnect Men. Health Ser. | Other Public Sector Employers | 2005 | 1 | $121,800 |
| Reconnect Mental Health Services Inc. | Other Public Sector Employers | 2014 | 2 | $166,845 |
| Reconnect Mental Health Srvcs | Other Public Sector Employers | 2003 | 1 | $114,340 |
| Reconnect Mental Hlth. Srvcs. | Other Public Sector Employers | 2004 | 1 | $117,000 |
| Recycling Congress of Ontario | Other Public Sector Employers | 2010 | 1 | $107,856 |
| Red Lake Area Combined Roman Catholic Sep Sch Bd | School Boards | 2008 | 1 | $109,351 |
| Red Lake Family Health Team | Other Public Sector Employers | 2022 | 1 | $115,458 |
| Red Lake Margaret Cochenour Hospital | Hospitals & Boards of Public Health | 2008 | 3 | $121,821 |
| Red Lake Margaret Cochenour Mem. | Hospitals & Boards of Public Health | 2002 | 1 | $104,000 |
| Red Lake Margaret Cochenour Memorial | Hospitals & Boards of Public Health | 2003 | 1 | $113,142 |
| Red Lake Margaret Cochenour Memorial Hospital | Hospitals & Boards of Public Health | 2025 | 22 | $131,598 |
| Redwood Shelter | Other Public Sector Employers | 2025 | 3 | $116,926 |
| Reel Canada | Other Public Sector Employers | 2025 | 1 | $204,498 |
| Reena | Other Public Sector Employers | 2025 | 7 | $137,100 |
| Reena Foundation | Other Public Sector Employers | 2004 | 1 | $121,118 |
| REFLEXION – Wellness Services Inc. | Other Public Sector Employers | 2025 | 3 | $124,015 |
| Refrigeration Workers Local 787-ORAC Training Fund | Other Public Sector Employers | 2025 | 7 | $178,647 |
| Reg'l. Municipality of York - Rapidco | Municipalities & Services | 2005 | 3 | $127,520 |
| Reg'l. Municipality of York-Cntrl E HIP | Municipalities & Services | 2004 | 1 | $102,500 |
| Regeneration House Inc | Other Public Sector Employers | 2021 | 1 | $104,553 |
| Regent Park Community Health Centre | Other Public Sector Employers | 2025 | 17 | $174,637 |
| Regient Park Community Hlth Ctr | Other Public Sector Employers | 2000 | 2 | $113,763 |
| Regina Gardens | Other Public Sector Employers | 2025 | 3 | $119,648 |
| Region 9 Regional Tourism Organization | Other Public Sector Employers | 2025 | 1 | $116,269 |
| Region of Haldimand-Norfolk | Municipalities & Services | 1998 | 2 | $102,808 |
| Region of Hamilton-Wentworth | Municipalities & Services | 2000 | 15 | $114,937 |
| Region of Ottawa-Carlton | Municipalities & Services | 2000 | 49 | $123,473 |
| Region of Peel Health Unit | Hospitals & Boards of Public Health | 2003 | 3 | $146,618 |
| Regional Geriatric Program of Metropolitan Toronto | Other Public Sector Employers | 2018 | 2 | $132,943 |
| Regional Geriatric Program of Toronto | Other Public Sector Employers | 2025 | 6 | $134,610 |
| Regional Haldimand-Norfolk | Municipalities & Services | 1997 | 1 | $100,465 |
| Regional HIV/AIDS Connection | Other Public Sector Employers | 2025 | 1 | $109,427 |
| Regional Mun. of Waterloo | Municipalities & Services | 1999 | 6 | $113,707 |
| Regional Municipality of Durham | Municipalities & Services | 2025 | 2,933 | $132,068 |
| Regional Municipality of Halton | Municipalities & Services | 2025 | 2,135 | $135,015 |
| Regional Municipality of Hamilton-Wentworth | Municipalities & Services | 1996 | 10 | $118,293 |
| Regional Municipality of Niagara | Municipalities & Services | 2025 | 904 | $128,121 |
| Regional Municipality of Niagara - Police | Municipalities & Services | 2013 | 2 | $102,841 |
| Regional Municipality of Niagara PHD | Hospitals & Boards of Public Health | 2003 | 2 | $152,785 |
| Regional Municipality of Niagara – Niagara Reg. Police | Municipalities & Services | 2025 | 957 | $149,587 |
| Regional Municipality of Ottawa-Carleton | Municipalities & Services | 1996 | 17 | $113,841 |
| Regional Municipality of Peel | Municipalities & Services | 2025 | 2,780 | $131,585 |
| Regional Municipality of Peel Police Services | Municipalities & Services | 2025 | 2,639 | $151,241 |
| Regional Municipality of Peel Police Services Board | Municipalities & Services | 2025 | 2 | $265,590 |
| Regional Municipality of Waterloo | Municipalities & Services | 2025 | 952 | $123,853 |
| Regional Municipality of Waterloo – Police | Municipalities & Services | 2025 | 1,052 | $138,422 |
| Regional Municipality of York | Municipalities & Services | 2025 | 2,400 | $126,411 |
| Regional Municipality of York - Rapid Transit Corp. | Municipalities & Services | 2014 | 20 | $134,893 |
| Regional Municipality of York - Rapidco | Municipalities & Services | 2008 | 4 | $160,606 |
| Regional Municipality of York Police Services | Municipalities & Services | 2025 | 2,072 | $135,752 |
| Regional Municipality of York – York Region Rapid Transit Corporation | Municipalities & Services | 2025 | 25 | $152,201 |
| Regional Toronto (Metro) | Municipalities & Services | 1997 | 34 | $114,121 |
| Regional Tourism Office Four | Other Public Sector Employers | 2015 | 1 | $135,000 |
| Regional Tourism Organization 12 Parry Sound/Muskoka | Other Public Sector Employers | 2025 | 1 | $139,433 |
| Regional Tourism Organization 4 Inc | Other Public Sector Employers | 2014 | 2 | $120,000 |
| Regional Tourism Organization 7 | Other Public Sector Employers | 2025 | 3 | $132,739 |
| Regional Tourism Organization 8 | Other Public Sector Employers | 2025 | 1 | $106,390 |
| Regional Tourism Organization Four Inc | Other Public Sector Employers | 2025 | 2 | $116,975 |
| Registered Nurses Association of Ontario | Other Public Sector Employers | 2025 | 41 | $130,701 |
| Registered Practical Nurses Association of Ontario | Other Public Sector Employers | 2025 | 4 | $199,813 |
| Rehab. Foundation for the Disabled | Other Public Sector Employers | 2002 | 3 | $133,307 |
| Rehabilitation Foundation for the Disabled | Other Public Sector Employers | 2010 | 7 | $135,603 |
| Rekai Centres | Other Public Sector Employers | 2025 | 20 | $144,199 |
| Rel Hsp St. Joseph s Hth Ctr Cornwa | Hospitals & Boards of Public Health | 1999 | 1 | $140,278 |
| Rel Hsp St. Jsph Health Ctr Cornwall | Hospitals & Boards of Public Health | 1998 | 1 | $146,214 |
| Rel Hsp St.Joseph Hlth Ctr Cornwall | Hospitals & Boards of Public Health | 2000 | 1 | $147,188 |
| Rel. Hosp. of St. Joseph Health Centre(Cornwall) | Hospitals & Boards of Public Health | 1996 | 1 | $122,663 |
| Rel. Hosp., St. Joseph, Cornwall, SJCCC | Hospitals & Boards of Public Health | 2005 | 1 | $122,585 |
| Rel.Hos.,St.Joseph.Hlth Ctr.,Cornwall | Hospitals & Boards of Public Health | 2002 | 2 | $126,755 |
| Religious Hosp., St. Joseph, Cornwall, SJCCC | Hospitals & Boards of Public Health | 2010 | 3 | $120,251 |
| Religious Hospitallers of St Joseph of the Hotel Dieu of St Catharines | Hospitals & Boards of Public Health | 2025 | 85 | $124,734 |
| Religious Hospitallers of St. Joseph of Cornwall, Ontario | Hospitals & Boards of Public Health | 2025 | 32 | $125,006 |
| Religious Hospitallers of,St.Joseph Health Centre,Cornwall | Hospitals & Boards of Public Health | 2003 | 3 | $121,265 |
| Renascent Fellowship | Other Public Sector Employers | 2025 | 1 | $110,087 |
| Renfrew County | Municipalities & Services | 2002 | 1 | $118,089 |
| Renfrew County & Dist. Hlth. Unit | Hospitals & Boards of Public Health | 2004 | 1 | $178,962 |
| Renfrew County & District Hlth Unit | Other Public Sector Employers | 2001 | 1 | $173,570 |
| Renfrew County and DHU | Other Public Sector Employers | 2002 | 1 | $164,645 |
| Renfrew County and District Health Unit | Hospitals & Boards of Public Health | 2025 | 24 | $127,375 |
| Renfrew County Catholic District School Board | School Boards | 2025 | 300 | $123,036 |
| Renfrew County DHU | Other Public Sector Employers | 2000 | 1 | $152,676 |
| Renfrew County District School Board | School Boards | 2025 | 481 | $119,372 |