| 1 | NDR | Andesmar Lineas Aereas, S.A. | Callsign: Andesmar, | RA | AVCODES |
| 2 | NDR | Nordair Ltd. | IATA: ND, Callsign: Nordair, | CDN | AVCODES |
| 3 | NDRC | NEDRAC INC | | | SCAC3 |
| 4 | NDRC | NEDRAC INC | | | SCAC4 |
| 5 | NDRF | NATIONAL DISASTER RELIEF | | | SCAC4 |
| 6 | NDRI | NEW DIREX INC | | | SCAC4 |
| 7 | NDRR | NATIONAL DUTCH RAILROAD | | | SCAC3 |
| 8 | NDRR | NATIONAL DUTCH RAILROAD | | | SCAC4 |
| 9 | NDRS | NODDING, DAVID R S | | | SCAC4 |
| 10 | NDRX | National Despatch Refrigerator Line | 7/1937-1/1950 | | NAKINA |
| 11 | NDRX | National Despatch Refrigerator Line (Chicago, New York & Boston Refrigerator Co.) | 7/1935 | | NAKINA |
| 12 | NDRX | National Despatch Refrigerator Line (Chicago, New York & Boston Refrigerator Line) | Apr-38 | | NRHS |
| 13 | NDRX | *NATIONAL DEFENSE RAILROAD CORPORATION | | | PWRC |
| 14 | NDRX | *NATIONAL DESPATCH REFRIGERATOR LINE | | | PWRC |
