Latham Railway Services is a Dallas-based planning and consulting firm. Recent work has included the design of intermodal freight terminals, the evaluation and testing of Maintenance-of-Way construction materials, and a comprehensive study of potential intercity passenger train routes throughout Texas and the southwestern United States. Notible past projects include feasibility and engineering studies for the proposed Dallas, Southeastern and Gulf Railway, and the Texas Boxcar Company (TexBox), as well as the design and development of various model and toy trains.