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FS - A System of Strength, Stability, & Reliable Supply


T​he GROWMARK System of FS cooperatives has been distributing quality energy products across the Midwest since the 1920s. GROWMARK, a regional cooperative, is the fourth largest propane retailer in the US. With a history of more than 35 years as a propane supplier, our team of propane specialists possesses a level of knowledge, experience, and expertise that is difficult for others to match. As a result of long-term relationships with multiple energy suppliers, we have extensive storage, logistics, and distribution capabilities to ensure a dependable supply of product.


The FS Brand


Introduced more than 50 years ago, the FS brand represents a standard of excellence for agricultural and energy-related products. Farmers, businessmen, and consumers count on the people at local FS cooperatives throughout Illinois, Iowa, Wisconsin, and Ontario, Canada and in FS companies on the East Coast. In fact, it’s the people of the FS brand that set it apart. Always professional and dependable, FS specialists are trusted advisors with unmatched technical expertise and a genuine interest in partnering in a customer’s success.

Propane from FS offers reliable heating and fueling solutions to farm and non-farm customers.​ ​