| Bayfield Agricultural Society, Agricultural Park | Bluewater |
| Beef Farmers of Ontario, No Physical Address - Perth County | |
| Brussels Agricultural Society, Brussels, Morris and Grey Community Centre | Huron East |
| Dungannon Agricultural Society | Ashfield-Colborne-Wawanosh |
| Ecological Farmers Association of Ontario | Guelph |
| Essa and District Agricultural Society, Essa Agriplex | Essa |
| Foley Agricultural Society, Foley Agricultural Society and Thrift Store | Seguin |
| Howick Agricultural Society | Howick |
| Huron Central Agricultural Society | Central Huron |
| Jersey Club - Perth Huron, No Physical Address | Milverton |
| Kirkton Agricultural Society, Kirkton Fall Fair | West Perth |
| Listowel Agricultural Society | North Perth |
| Milverton Agricultural Society, Milverton Agri Centre | Perth East |
| Mitchell & District Agricultural Society | West Perth |
| Ontario Canola Growers' Association | Grey Highlands |
| Ontario Federation of Agriculture | Guelph |
| Ontario. Ministry of Agriculture, Food and Agribusiness, Lindsay Resource Centre | Kawartha Lakes |
| Orillia and District Agricultural Society, Severn | Severn |
| Oro Agricultural Society | Oro-Medonte |
| Perth County Holstein Club | Stratford |
| Perth County Plowmen's Association | Stratford |
| REACH Huron | Central Huron |
| Seaforth Agricultural Society | Huron East |
| Simcoe County Federation of Agriculture, Simcoe County Administration Building | Springwater |
| Soil and Crop Improvement Association, Mailing Address Only - Perth County | Perth County |
| Stratford & District Agricultural Society, Burnside Agriplex | Stratford |