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Founded more than 100 years ago, STV is a recognized leader in the transportation industry. A multidisciplined engineering, planning, architectural and program/construction management firm, our full spectrum of services range from feasibility and environmental studies, infrastructure engineering and vehicle procurement to design-build-operate- maintain projects. Our expertise covers all aspects of railroad systems, including commuter rail, light rail, mass transit, and high speed rail as well as freight. STV is 100 percent employee owned.