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Since the 1920s, FS has been reliably providing fuels to customers across the Midwest. Today, FS is a leading supplier of refined and renewable fuels from the Midwest to the east coast and in Ontario, Canada. Farmers, truckers, construction companies, municipalities and more rely on us to supply their fueling needs. In addition to fuels, we supply additized fuels that provide performance beyond conventional fuels. Sales of Dieselex® Gold, the high-performance diesel fuel with origins back to 1952, are growing rapidly as users experience the benefits of using the latest in fuel-additive chemistry.