| Refugees and Newcomers, Simcoe County, Local Groups and Committees (Donations & Volunteers) | Simcoe County |
| Rainbows For All Children Canada, Canadian National Office, Rainbows For All Children Canada, Canadian National Office | Barrie |
| Rainbows For All Children Canada, Canadian National Office, Silver Linings Program | Barrie |
| Recycle My Electronics, Online/Web Service | Mississauga |
| Redwood Park Communities, Barrie, Furniture Bank | Barrie |
| Reflection Centre, Barrie | Barrie |
| Renascent | Toronto |
| Renegade Derby Dames Roller Derby League, Alliston - No Physical Address | Alliston |
| Resource Productivity and Recovery Authority | Toronto |
| Retired Teachers of Ontario/Les Enseignantes et Enseignants Retraités de l'Ontario (RTOERO), District 17-Simcoe County | Simcoe County |
| RNR Patient Transfer Services, Orillia | Orillia |
| Road to Recovery Addiction Clinic, Bradford, Addiction Clinic | Bradford West Gwillimbury |
| Rogers TV Barrie. Community Television | Barrie |
| Ronald McDonald House Charities Toronto | Toronto Downtown Central |
| Royal Canadian Legion | Barrie |
| Royal Canadian Legion., New Lowell, New Lowell Branch 516. George Duff Memorial | Clearview (Simcoe County) |
| Royal Canadian Mounted Police, Online Service, Find an RCMP Detachment | Ontario |
| Royal Victoria Regional Health Centre | Barrie |
| Royal Victoria Regional Health Centre, Alliston, Simcoe County Preschool Speech and Language Program | New Tecumseth |
| Royal Victoria Regional Health Centre, Barrie - 201 Georgian Dr - 1st Floor -1 SA, Audiology and Hearing Instrument Dispensing | Barrie |
| Royal Victoria Regional Health Centre, Barrie - 201 Georgian Dr - 1st Floor, Ontario Breast Screening Program | Barrie |
| Royal Victoria Regional Health Centre, Barrie - 201 Georgian Dr - 1st Floor, Simcoe Muskoka Parry Sound Infant Hearing Program | Barrie |
| Royal Victoria Regional Health Centre, Barrie - 201 Georgian Dr - 2nd Floor, RVH Health Library | Barrie |
| Royal Victoria Regional Health Centre, Barrie - 201 Georgian Dr - 3rd Floor, Adult Outpatient Mental Health | Barrie |
| Royal Victoria Regional Health Centre, Barrie - 201 Georgian Dr - 3rd Floor, Community Treatment Order Coordination Service | Barrie |
| Royal Victoria Regional Health Centre, Barrie - 201 Georgian Dr - 3rd Floor, Medication Clinic | Barrie |
| Royal Victoria Regional Health Centre, Barrie - 201 Georgian Dr - Cancer Centre, David and Catherine Hudson Regional Cancer Centre | Barrie |
| Royal Victoria Regional Health Centre, Barrie - 201 Georgian Dr - Mental Health Suite, Emergency Department, Crisis Services | Barrie |
| Royal Victoria Regional Health Centre, Barrie - 201 Georgian Dr - Rotary Place, 2nd Floor, David and Catherine Hudson Regional Cancer Centre, Rotary House Lodge | Barrie |
| Royal Victoria Regional Health Centre, Barrie - 201 Georgian Dr, Cardio-Respiratory Treatment Clinics | Barrie |
| Royal Victoria Regional Health Centre, Barrie - 201 Georgian Dr, Indigenous Patient Services | Barrie |
| Royal Victoria Regional Health Centre, Barrie - 201 Georgian Dr, Patient and Family Experience Office | Barrie |
| Royal Victoria Regional Health Centre, Barrie - 201 Georgian Dr, Rehabilitation Treatment Clinics | Barrie |
| Royal Victoria Regional Health Centre, Barrie - 201 Georgian Dr, RVH Frozen Meals To Go | Barrie |
| Royal Victoria Regional Health Centre, Barrie - 201 Georgian Dr, Simcoe Muskoka Parry Sound Blind Low Vision Early Intervention Program | Barrie |
| Royal Victoria Regional Health Centre, Barrie - 201 Georgian Dr, Simcoe Muskoka Regional Eating Disorder Service | Barrie |
| Royal Victoria Regional Health Centre, Barrie - 66 Wellington St W, Regional Renal Program - Hemodialysis/Peritoneal Dialysis/Multi Care Kidney Clinic | Barrie |
| Royal Victoria Regional Health Centre, Barrie - 70 Wellington St W - Upper Level, Withdrawal Management Services | Barrie |
| Royal Victoria Regional Health Centre, Barrie - Bradford St, Occupational Therapy | Barrie |
| Royal Victoria Regional Health Centre, Bradford, Simcoe County Preschool Speech and Language Program | Bradford West Gwillimbury |
| Royalty Care | Barrie |
| Rural Ottawa South Support Services, Telephone Service, A Friendly Voice | Ottawa |