Southwest Iowa Renewable Energy, LLC SWIOU

SWIOU Company Overview

Southwest Iowa Renewable Energy, LLC (commonly referred to as SIRE) is a privately held renewable fuels company headquartered in Council Bluffs, Iowa. The company operates in the biofuels and agricultural processing industries, primarily producing fuel-grade ethanol and related co-products derived from corn. Its core revenue drivers include ethanol sales, distillers grains used for livestock feed, corn oil, and other byproducts generated through the dry-mill ethanol production process. The company primarily serves fuel distributors, energy markets, agricultural feed customers, and industrial buyers across the United States.

SIRE was established in the mid-2000s during the expansion of the U.S. ethanol sector and began commercial operations in 2008. The company was formed through regional agricultural and investor participation focused on supporting renewable fuel production and local corn demand in southwest Iowa. Over time, SIRE expanded production capacity and operational efficiency through plant upgrades and process optimization. Its strategic positioning is tied to proximity to Midwest corn supplies, access to rail and transportation infrastructure, and participation in the U.S. renewable fuels market supported by blending mandates and low-carbon fuel initiatives.