| 1 | NYS | Nyasa Express | Callsign: Nyasa, Name changed to Ulendo Airlink. | MW | AVCODES |
| 2 | NYS | Ulendo Airlink | IATA: W4, Callsign: Nyasas, | MW | AVCODES |
| 3 | NYS | Nyasa Express | | | ICAO1 |
| 4 | NYSA | NYSSA AIR SERVICE | | | SCAC3 |
| 5 | NYSA | MZK Nysa | Real: MZK | PL | TRAFFIC |
| 6 | NYSW | New York, Susquehanna and Western Ry. Corp. | added 4/1981; 1/1994; eliminated 4/1996; 7/2000-7/2005 | | NAKINA |
| 7 | NYSW | The New York, Susquehanna and Western Ry. Corp. | added 1/1981; eliminated 4/1981 | | NAKINA |
| 8 | NYSW | New York, Susquehanna and Western R.R., Co. (Walter G. Scott, Trustee) | added 10/1976; 1/1980; eliminated 1/1981 | | NAKINA |
| 9 | NYSW | New York, Susquehanna and Western R.R., Co. | 1/1941-10/1966 & 1/1975; eliminated 10/1976 | | NAKINA |
| 10 | NYSW | New York, Susquehanna and Western R.R., Co. | 1/52-10/66 & 1/75 | | NRHS |
| 11 | NYSW | New York, Susquehanna and Western R.R., Co. (Walter G. Scott, Trustee) | 1/80; eliminated 1/81 | | NRHS |
| 12 | NYSW | The New York, Susquehanna and Western Ry. Corp. | added 1/81; eliminated 4/81 | | NRHS |
| 13 | NYSW | New York, Susquehanna and Western Ry. Corp. | added 4/81; 1/94; eliminated 4/96; 7/2000 | | NRHS |
| 14 | NYSW | NEW YORK, SUSQUEHANNA & WESTERN RAILROAD CO. | | | PWRC |
| 15 | NYSW | New York, Susquehanna and Western Railway | | | RSRV |
| 16 | NYSW | NEW YORK SUSQUEHANNA AND WESTERN RA | | | SCAC3 |
| 17 | NYSW | New York, Susquehanna and Western Railroad Company | | USA | TRAFFIC |
| 18 | NYSX | New York State Electric & Gas Corp. | added 4/1953; 10/1957-1/1980; eliminated 10/1990; 1/1994 (not listed) | | NAKINA |
| 19 | NYSX | New York State Electric & Gas Corp. | 10/57-1/80; eliminated 10/90; 1/94 | | NRHS |
| 20 | NYSX | NEW YORK STATE ELECTRIC & GAS CORP. | | | PWRC |
| 21 | NYSX | New York State Electric and Gas Corporation | | | RSRV |
| 22 | NYSX | NEW YORK STATE ELECTRIC & GAS CORP | | | SCAC3 |