Icahn Enterprises is a diversified holding company. It operates through seven business segments: Investment, Energy, Automotive, Food Packaging, Real Estate, Home Fashion, and Pharma. The Investment segment provides investment advisory and administrative, and back-office services to the investment funds. The Energy segment engages in the petroleum refining and marketing and nitrogen fertilizer manufacturing businesses. The Automotive segment offers automotive repair and maintenance services. Other segments are conducted through fully owned subsidiaries.