Standard Underground Cable Company, Cables.
Tucker Electrical Construction Company, Wiring for Tunnel and Passenger Station Lights.
Westinghouse Electric & Manufacturing Company, Alternators, Exciters, Transformers, Motors, Converters, Blower Outfits.
Westinghouse Machine Company, Turbo Alternators.
Mechanical and Architectural Department
John Van Vleck, Mechanical and Construction Engineer.
Power house and sub-station, steam plant, repair shop, tunnel drainage, elevators.
Power House
Alberger Condenser Company, Condensing Equipment.