Our Portfolio STV works on some of North America’s largest and most complex infrastructure projects. Filter projects Delta JFK Terminal Redevelopment ProgramView detailRosslyn Station Access ImprovementsView detailScience Building at Susquehanna UniversityView detailI-385 WideningView detailThe Predictive Index HeadquartersView detailWashington Terminal Yard Master PlanView detailSkyway RehabilitationView detailArthur J. DiTommaso Cable-Stayed BridgeView detailP.S./I.S. 102View detailVirginia Railway Express Commuter Rail Car ProcurementView detailSaugus High School ModernizationView detailPark Avenue Viaduct ReplacementView detailAcela Northeast Corridor High-Speed Rail Maintenance FacilitiesView detailAstraZeneca Pharmaceuticals U.S. Business CenterView detailMetra Gallery Bi-Level Commuter Railcars ProcurementView detailGlenwood Houses Exterior RenovationsView detail