| Alert Ready - Emergency Alert System | Ontario |
| Canada. Transport Canada, Sarnia, Office of Boating Safety - Pleasure Craft Operator Card | Sarnia |
| Canadian Red Cross - Simcoe Muskoka, Simcoe Muskoka Branch, Prevention and Safety, First Aid, CPR, Water Safety, Psychological First Aid | Barrie |
| CBEAC - Civic Beautification and Environmental Awareness Committee, No Physical Address | Stratford |
| CLEAResult Canada, Central East, Enbridge Home Winterproofing and IESO Energy Affordability Programs | Toronto |
| Ducks Unlimited Canada, Barrie | Barrie |
| E K Gillin & Associates Inc | Stratford |
| General Topics and Information - Central East, Huron County, Flu Clinic Schedules, Central East Ontario | Goderich |
| General Topics and Information - Central East, Perth County, Flu Clinic Schedules, Central East Ontario | Stratford |
| General Topics and Information - Central East, Disease Information and Facts - Zika Virus | |
| Goderich. Municipal Office, Goderich Fire Services, Fire Services | Goderich |
| Heinbuch Wildlife Control, No Physical Address | Perth East |
| Huron Perth Public Health, Clinton - London Rd, Food Safety | Central Huron |
| Huron Perth Public Health, Clinton - London Rd, Rabies Control | Central Huron |
| Huron Perth Public Health, Clinton - London Rd, Safe Beach Water | Central Huron |
| Huron Perth Public Health, Clinton - London Rd, Safe Drinking Water | Central Huron |
| Huron Perth Public Health, Clinton - London Rd, School Health - Huron County | Central Huron |
| Huron Perth Public Health, Stratford - West Gore St., Huron Perth Public Health - Stratford Office | Stratford |
| Huron Perth Public Health, Stratford - West Gore St., School Health - Perth County | Stratford |
| Maitland Valley Conservation Authority, Wroxeter | Howick |
| Maitland Valley Conservation Authority, Wroxeter, Middle Maitland Rejuvenation Committee | Howick |
| Mitchell and Area Community Outreach, Congregate Dining & Social Programs | West Perth |
| Mitchell and Area Community Outreach, West Perth - Various Locations, Exercise and Falls Prevention Group program | West Perth |
| North Perth. Municipal Office, North Perth Fire Department | North Perth |
| North Perth. Municipal Office, SET7 Skills and Technology North Perth and Region | North Perth |
| Ontario Nature | Toronto Downtown |
| Ontario Poison Centre | Toronto Downtown Central |
| Ontario Woodlot Association, Huron Perth Chapter | Stratford |
| Ontario. Ministry of Environment, Conservation and Parks, Peterborough - Mailing Address, Natural Resources Information and Support Centre | Peterborough |
| Perth East. Municipal Office, Milverton - Mill St E, Fire Department | Perth East |
| General Topics and Information - Central East, Reporting Sick, Orphaned or Injured Wild Animals | |
| Sawyer Preservation Woodlot Association | West Perth |
| St John Ambulance Midwestern Ontario, St John Ambulance Stratford-Perth, Various Locations | |
| St Marys. Municipal Office, St. Marys - 172 James St S, St Marys. Fire Department | St Marys |
| Stratford & District Horticultural Society, GardenStratford | Stratford |
| Stratford Field Naturalists, Mailing Address | Stratford |
| Stratford. Municipal Office, Stratford - 388 Erie St, Stratford Fire Department | Stratford |
| Tillsonburg Power & Sail Squadron, Stratford Teaching Satelite, No physical address | Stratford |
| Upper Avon River Conservation Club | Perth East |
| Victorian Order of Nurses - Perth-Huron Branch, Listowel, VON SMART Group & Exercise Program | North Perth |
| West Perth. Municipal Office, West Perth Fire Department, Fire Department - Wellington St | West Perth |
| West Perth. Municipal Office, West Perth Thames Nature Trail and Wetlands | West Perth |
| General Topics and Information - Central East, Winter Storms Information | |
| Workers Health and Safety Legal Clinic | Toronto |