Icahn Enterprises is a diversified holding company controlled by Carl Icahn that operates through seven segments: Investment, Energy, Automotive, Food Packaging, Real Estate, Home Fashion, and Pharma. The company follows a value-investment philosophy, identifying deeply undervalued companies and actively intervening through proxy contests, board engagement, and acquiring controlling stakes to unlock shareholder value and improve operations. Its largest segment is Energy, conducted through majority-owned CVR Energy which operates refineries and produces petroleum products, renewable diesel, and nitrogen fertilizer; other major segments include Automotive services, Food Packaging through Viskase, Real Estate holdings, Home Fashion through WestPoint Home, and specialty Pharma through Vivus. The company generates revenue primarily from selling refined petroleum products, automotive repair and maintenance services, casings for processed meats, real estate leases, home furnishings, and pharmaceutical products.