| 1 | MNR | Monair Executive SA | Callsign: Monair, | CH | AVCODES |
| 2 | MNR | Monara Air (Pvt) Ltd. | Callsign: Monara Air, | CL | AVCODES |
| 3 | MNR | Mann Air Ltd. t/a Mann Air Charter | Callsign: Teemol, | GB | AVCODES |
| 4 | MNR | Mann Air | | | ICAO1 |
| 5 | MNR | Burlington Northern Inc. | added 10/1975; 1/1980; eliminated 4/1981 | | NAKINA |
| 6 | MNR | Burlington Northern Inc. | 1/80; eliminated 4/81 | | NRHS |
| 7 | MNR | BURLINGTON NORTHERN INC. [MICHIGAN NORTHERN RAILROAD] | | | PWRC |
| 8 | MNR | MAINE NORTHERN RAILWAY COMPANY | | | SCAC4 |
| 9 | MNRB | MACON, ROBERT L | | | SCAC4 |
| 10 | MNRC | MANN, R TRUCKING LTD | | | SCAC4 |
| 11 | MNRE | M & N TRANSPORTATION SERVICES INC | | | SCAC4 |
| 12 | MNRF | M & R EXPRESS INC | | | SCAC4 |
| 13 | MNRM | MINERAL TRASNPORT SERVICE INC | | | SCAC4 |
| 14 | MNRN | MONITOR TRANSPORTATION SERVICES INC | | | SCAC4 |
| 15 | MNRQ | M N R TRUCKING INC | | | SCAC4 |
| 16 | MNRR | MODOC NORTHERN RAILROAD CO. | | | PWRC |
| 17 | MNRR | MODOC NORTHERN RAILROAD COMPANY | | | SCAC4 |
| 18 | MNRR | Modoc Northern Railroad Co. | | USA | TRAFFIC |
| 19 | MNRU | RAME RUBIS ASPHALT MIDDLE EAST DMCC | | UAE | BIC |
| 20 | MNRV | MACLEAN, R FORESTRY LTD | | | SCAC4 |
| 21 | MNRX | METROPOLITAN COUNCIL | | | PWRC |
| 22 | MNRX | Northstar Line | | | RSRV |
| 23 | MNRX | METROPOLITAN COUNCIL | | | SCAC4 |
| 24 | MNRY | MASONRY STOVE BUILDERS | | | SCAC4 |
