| 1 | NCF | Norfolk County Flight College Ltd. | Callsign: County, | GB | AVCODES |
| 2 | NCF | Norfolk County Flight College | | | ICAO1 |
| 3 | NCFS | NAGROM CFS INC | | | SCAC3 |
| 4 | NCFT | NORTH CAROLINA FURNITURE TRANSPORTA | | | SCAC3 |
| 5 | NCFX | General Electric Rail Services Corp. | added 1/2000; 7/2000-7/2005 | | NAKINA |
| 6 | NCFX | General Electric Railcar Services Corp. | added 1/1984; 1/1994; eliminated 1/2000 | | NAKINA |
| 7 | NCFX | North American Car Corp. | added 1/1976; 1/1980; eliminated 1/1984 | | NAKINA |
| 8 | NCFX | North American Car (Canada) Ltd. | added 7/1963; 7/1965-1/1975; eliminated 1/1976 | | NAKINA |
| 9 | NCFX | North American Car (Canada) Ltd. | added 7/63; 7/65-1/75 | | NRHS |
| 10 | NCFX | North American Car Corp. | Jan-80 | | NRHS |
| 11 | NCFX | General Electric Railcar Services Corp. | 1/94; eliminated 1/2000 | | NRHS |
| 12 | NCFX | General Electric Rail Services Corp. | added 1/2000; 7/2000 | | NRHS |
| 13 | NCFX | (NATX) GENERAL ELECTRIC RAIL SERVICES CORP. [NORTH AMERICAN CAR CORP.] | | | PWRC |
| 14 | NCFX | GE Rail Services | | | RSRV |
| 15 | NCFX | GENERAL ELECTRIC RAILCAR SERVICES C | | | SCAC4 |
| 16 | NCFZ | NORTH CENTRAL FARM SERVICE | | | PWRC |
