| Third Avenue Railway System (until 1942) | |
| Third Avenue Transit System (1942-1952) | |
| New York Railways | |
| Eighth & Ninth Avenues Railway | |
| Second Avenue Railroad | |
| Brooklyn-Manhattan Transit (until 1940) | |
| New York City Board of Transportation (1940-1953) | |
| New York City Transit Authority (1953-1956) | |
| Steinway Lines (until 1939) | |
| Queensboro Bridge Railway (1939-1957) | |
| New York & Queens County Railway | |
| Manhattan & Queens Traction | |
| Jamaica Central Railways | |
| Richmond Railways | |
| Public Service Coordinated Transport | |
| double-ended passenger ferry routes (various operators) |