| 1 | NRA | Nitra Air | Callsign: Nitra Air, | SK | AVCODES |
| 2 | NRA | Santi Airlines Limited | Callsign: Santi Airlines, | WAG | AVCODES |
| 3 | NRA | Noar Linhas Aereas | Callsign: Airnoar, Founded in 2009. Commenced operations in 2010. Ceased operations 20 September 2011. | BR | AVCODES |
| 4 | NRAC | NIAGARA RACE CRAFTERS INC | | | SCAC4 |
| 5 | NRAD | NATIONAL ROUTING AND DISTRIBUTION I | | | SCAC4 |
| 6 | NRAF | NORAM FORWARDING INC | | | SCAC3 |
| 7 | NRAIL | Northrail GmbH | | DE | VKM |
| 8 | NRAO | NATIONAL RADIO ASTRONOMY OBSERVATORY | | | PWRC |
| 9 | NRAO | NORTHERN REFRIGERATED TRANSPORTATIO | | | SCAC4 |
| 10 | NRAT | NORTH AMERICAN TRANSPORT COMPANY IN | | | SCAC3 |
| 11 | NRAU | AEROGAS PROCESSORS LIMITED | | TT | BIC |
| 12 | NRAW | NORTHLAND CARRIERS INC | | | SCAC4 |
| 13 | NRAX | Newell Recycling of Atlanta Inc. | 7/2005 (not listed) | | NAKINA |
| 14 | NRAX | NEWELL RECYCLING OF ATLANTA, INC. | | | PWRC |
| 15 | NRAX | NEWELL RECYCLING OF ATLANTA INC | | | SCAC4 |
