EnTech has supplied a wide variety of engineering and construction management (CM) services for over 50 commuter rail and rapid transit projects, spanning track expansions, new and renovated stations, systems upgrades, and improvements at rail shops and yards. The firm has provided services including environmental engineering, geotechnical engineering, civil and structural design, virtual design and construction (VDC), resident engineering inspection (REI), and safety and quality management for projects with Long Island Rail Road (LIRR), Metro-North Railroad, and New York City Transit (NYCT), among other clients.

EnTech has contributed to the success of numerous marquee passenger rail projects in New York. The firm provided resident engineering for the $1.6 billion development of Moynihan Train Hall; environmental services for the $2.6 billion LIRR Main Line Expansion; and CM and VDC services for the East Side Access megaproject. EnTech has supported a variety of projects for Metro-North, including providing geotechnical, structural, and environmental engineering for the rehabilitation of the Park Avenue Viaduct.  

In the rapid transit sector, EnTech is the prime consultant for two on-call contracts for environmental monitoring and remediation design across the NYCT subway system, spanning dozens of capital projects. The firm has provided site safety services for multiple other NYCT projects, including major improvements at the 207th Street Yard facility, as well as water remediation repairs throughout the subway network. The firm supplied BIM development for the Second Avenue Subway program and oversaw quality management for the 42nd Street Shuttle Reconstruction. Outside of New York, EnTech has provided civil, structural, and geotechnical design for a design-build project to rehabilitate deteriorated station platforms throughout the Washington Metro system.