Based in Sioux Center, Iowa, Siouxland Energy and Livestock Cooperative (SELC) is a closed cooperative that operates and supplies ethanol. Owned by approximately 391 farmers, the cooperative produces a large amount of ethanol from corn and sells it for blending with gasoline as an octane enhancer and a fuel. Additionally, it offers feed products, wet distillers grains with solubles and feed grade syrup for beef and dairy operations. Siouxland Energy and Livestock Cooperative (SELC) also specializes in grain management and bidding offers.