Grain Farmers of OntarioGrain Farmers of Ontario - Virtual BoothGrain Farmers of Ontario is the province’s largest commodity organization, representing Ontario’s 28,000 barley, corn, oat, soybean and wheat farmers. The crops they grow cover 6 million acres of farm land across the province, generate over $4.1 billion in farm gate receipts, result in over $18 billion in economic output and are responsible for over 75,000 jobs in the province.