Otis Elevator Company (originator), Underground Electric Railways Company of London (associated name), London Underground Limited. Piccadilly Line (associated name)
Otis Elevator Company (originator), Underground Electric Railways Company of London (associated name), Underground Electric Railways Company of London. Baker Street and Waterloo Railway (associated name)
Otis Elevator Company (originator), Underground Electric Railways Company of London (associated name), London Underground Limited. Piccadilly Line (associated name)
