Growers
- Dairy Farmers of Ontario
- Ontario Corn Producers Association
- Ontario Federation of Agriculture
- Ontario Flue-Cured Tobacco Growers’ Marketing Board
- Ontario Fruit and Vegetable Growers Association
- Ontario Pork
- Ontario Processing Vegetable Growers
- Ontario Soil & Crop Improvement Association
- Ontario Soybean Growers
- Ontario Wheat Producers’ Marketing Board