| 1 | NIN | Nurman Avia Indopura | Callsign: Nurvindo, | RI | AVCODES |
| 2 | NIN | Niger Airlines S.A. | IATA: 6N, Callsign: Niger Airlines, | RN | AVCODES |
| 3 | NIN | Nurman Avia Indopura | | | ICAO1 |
| 4 | NINB | NINA (BERMUDA) LTD AGOURA HILLS CA | | | SCAC4 |
| 5 | NIND | NORRIS INDUSTRIES | | | SCAC3 |
| 6 | NINH | NETMOVE INC | | | SCAC4 |
| 7 | NINI | NATIONAL INDUSTRIES INC | | | SCAC3 |
| 8 | NINJ | NAIJA MOTORS INC | | | SCAC4 |
| 9 | NINK | NEIER INC | | | SCAC4 |
| 10 | NINL | NOVELTY INC | | | SCAC4 |
| 11 | NINM | NINNEMAN, A J TRUCKING | | | SCAC3 |
| 12 | NINN | NOBLES INC | | | SCAC4 |
| 13 | NINO | NINO SHIPPING CO., LTD. | | | SCAC3 |
| 14 | NINO | NINE ZERO SIX ONE-ONE ONE | | | SCAC4 |
| 15 | NINP | NATIONEX INC | | | SCAC4 |
| 16 | NINR | NORTHSIDE INC | | | SCAC4 |
| 17 | NINT | NINE ONE THREE FOUR-FOUR SEVEN NINE | | | SCAC4 |
| 18 | NINU | REF TRANS 2013 LTD | | GE | BIC |
| 19 | NINV | NCT INC | | | SCAC4 |
| 20 | NINY | NEWMAN INDUSTRIES | | | SCAC4 |
