Farmers Cooperative Association Inc. is a supplier in animal feed, fertilizer and petroleum products for more than 80 years. Located in Frederick County, Md., it has dealers across Maryland, Virginia, West Virginia and Pennsylvania. The association offers feeds for animals such as horses, sheep, goats, dogs, cats and rabbits. It also offers petro services, gasoline, kerosene and heating oil. Its fertilizer division provides products, such as grass seeds, crop seeds and hay tarps. Farmers Cooperative Association Inc. even organizes sale events and animal clinics.