Trinity Industries, Inc. engages in the provision of products and services to the energy, transportation, chemical, and construction sectors. It operates through the following segments: Rail Group, Construction Products Group, Inland Barge Group, Energy Equipment Group, and Railcar Leasing and Management Services Group. The Rail Group segment involves in manufacturing and selling railcars and related parts and components. The Construction Products Group segment includes manufacturing and selling highway products and other steel products for infrastructure related projects and produces and sells aggregates. The Inland Barge Group segment offers manufacturing and selling barges and related products for inland waterway services. The Energy Equipment Group segment comprises of manufacturing and selling products for energy related businesses, including structural wind towers, storage containers, tank heads for pressure and non-pressure vessels and utility, traffic, and lighting structures.