S. Theis Rice

Arcosa Aggregates, Inc. engages in mining operations. The firm engages in mining of sand, gravel and limestone properties. The firm offers gravel, pea gravel, concrete sand and rip rap. The company was founded in 1993 and is headquartered in Arlington, TX.

Part of Trinity Industries, Inc., TrinityRail Maintenance Services, Inc. is a company that provides maintenance services for fleets, from minor repairs to major rebuilds. The company is based in Dallas, TX. The company's maintenance teams have the necessary resources, expertise, and craftsmanship to keep fleets moving.

Trinity Rail Group LLC manufactures railcars for customers in North America and Europe. It offers freight and tank cars, including auto racks, covered hopper cars, box cars, coal cars, gondolas and coil cars, intermodal equipment, and automotive carriers, as well as offers railcar repair services and railcar components. The firm also provides leasing, financing, and fleet management services for rail transportation. The company is headquartered in Dallas, TX.

Quixote Corp. develops, manufactures and markets highway and transportation safety products to protect, direct and inform motorists and highway workers. The company was founded in 1969 by Philip E. Rollhaus and is headquartered in Chicago, IL.