Houston Belt & Terminal Railway Company is a terminal and switching railroad and owner of industrial property in Houston, Texas, United States that also formerly operated Houston's Union Station. It was incorporated on August 31, 1905 and was initially owned by four line-haul railway companies that it connected with, Trinity and Brazos Valley Railway Company, the Beaumont, Sour Lake and Western Railway Company, the St. Louis, Brownsville and Mexico Railway Company and the Gulf, Colorado and Santa Fe Railway Company. As a result of mergers and consolidations in the railway industry, the company's shareholders changed. As of 2024, BNSF Railway and Union Pacific Railroad each owned 50% of the company's shares. As of 2023, the company is still covered by the Railroad Retirement Act.