About

Keystone Cooperative, Inc. is a 100% farmer-owned cooperative serving customers across Indiana, Ohio, Michigan, and Illinois. Keystone specializes in energy, agronomy, grain, animal nutrition, and swine production. We proudly provide CountryMark premium fuels to commercial businesses, municipalities, schools, and farmers. With 80,000 home heat customers, we’re focused on the highest quality safety, and service. Headquartered in Indianapolis, Indiana, Keystone serves as a center point in local family farms and rural communities, ensuring today’s successes and securing tomorrow’s opportunities.