| 1 | NYG | Nyge Aero Trafikflyg AB | IATA: NG, Callsign: Nyge, Designator NG recalled by IATA | S | AVCODES |
| 2 | NYGL | New York & Greenwood Lake Ry. | 7/2000-7/2005 | | NAKINA |
| 3 | NYGL | New York & Greenwood Lake Ry. | Jul-00 | | NRHS |
| 4 | NYGL | NEW YORK & GREENWOOD LAKE RAILWAY | | | PWRC |
| 5 | NYGL | New York and Greenwood Lake Railway | | | RSRV |
| 6 | NYGL | NEW YORK & GREENWOOD LAKE RAILWAY | | | SCAC4 |
| 7 | NYGL | New York & Greenwood Lake Ry. | | USA | TRAFFIC |
| 8 | NYGR | NYGARD INTERNATIONAL PARTNERSHIP | | | SCAC4 |
