| 1 | NCH | Chanchangi Airlines Nigeria Limited | IATA: 3U, Callsign: Chanchangi, Designator 3U* recalled by IATA | WAN | AVCODES |
| 2 | NCH | Chanchangi Airlines | | | ICAO1 |
| 3 | NCHA | NORTHSTAR CHEMICAL | | | SCAC4 |
| 4 | NCHH | NEW COLONY HOME HEATING OIL INC | | | SCAC4 |
| 5 | NCHI | NELCHINA LODGE | | | SCAC3 |
| 6 | NCHK | NATIONAL CONTAINER LINE | | | SCAC3 |
| 7 | NCHK | NICHOLSON, KEITH & SONS LTD | | | SCAC4 |
| 8 | NCHL | NICHOLAS MOVING SYSTEMS INC | | | SCAC4 |
| 9 | NCHO | NICHOLS TRANSPORT INC | | | SCAC3 |
| 10 | NCHO | NICHOLS TRANSPORT INC | | | SCAC4 |
| 11 | NCHR | NICHOLAS TRANSPORT INC | | | SCAC3 |
| 12 | NCHR | NCH PROMOTIONAL SERVICES DE MEXICO | | | SCAC4 |
| 13 | NCHT | NYCONN HORSE TRANSPORTATION CORPORA | | | SCAC3 |
| 14 | NCHT | NYCONN HORSE TRANSPORTATION CORPORA | | | SCAC4 |
| 15 | NCHU | TIP INTERMODAL SERVICES | | | PWRC |
| 16 | NCHU | TIP Intermodal Services | | | RSRV |
| 17 | NCHW | NICHOLS, W E III TRUCKING INC | | | SCAC3 |
| 18 | NCHX | General Electric Rail Services Corp. | added 1/2000; 7/2000-7/2005 | | NAKINA |
| 19 | NCHX | General Electric Railcar Services Corp. | added 1/1984; 1/1994; eliminated 1/2000 | | NAKINA |
| 20 | NCHX | North American Car Corp. | added 1/1976; 1/1980; eliminated 1/1984 | | NAKINA |
| 21 | NCHX | North American Car (Canada) Ltd. | added 1/1964; 7/1965-1/1975; eliminated 1/1976 | | NAKINA |
| 22 | NCHX | North American Car (Canada) Ltd. | 7/65-1/75 | | NRHS |
| 23 | NCHX | North American Car Corp. | Jan-80 | | NRHS |
| 24 | NCHX | General Electric Railcar Services Corp. | 1/94; eliminated 1/2000 | | NRHS |
| 25 | NCHX | General Electric Rail Services Corp. | added 1/2000; 7/2000 | | NRHS |
| 26 | NCHX | ((NATX) GENERAL ELECTRIC RAIL SERVICES CORP. [NORTH AMERICAN CAR CORP.] | | | PWRC |
| 27 | NCHX | GE Capital Railcar Services | | | RSRV |
| 28 | NCHX | GENERAL ELECTRIC RAILCAR SERVICES C | | | SCAC4 |
| 29 | NCHZ | FORTISCHEM a.s. | | SK | VKM |
