| 1 | ILN | Inter-Aviation Services d/b/a Inter-Air | IATA: D6, Callsign: Inline, IATA Prefix: 625, Name changed to Inter-Aviation Services d/b/a Interair South Africa | ZA | AVCODES |
| 2 | ILN | Inter Air Lines (Pty) Ltd South Africa | Callsign: Inline, | ZA | AVCODES |
| 3 | ILN | Inter-Aviation Services d/b/a Interair South Africa | IATA: D6, Callsign: Inline, IATA Prefix: 625, Name changed from Inter-Aviation Services d/b/a Inter-Air | ZA | AVCODES |
| 4 | ILN | Interair South Africa | IATA: D6 | | ICAO1 |
| 5 | ILNC | INDUSTRIAL LUBRICANT COMPANY | | | SCAC4 |
| 6 | ILNE | INTERLINE MOTOR FREIGHT INC | | | SCAC4 |
| 7 | ILNH | IN LINE HOTSHOT & TRUCKING INC | | | SCAC4 |
| 8 | ILNO | INLAND OIL & PROPANE | | | SCAC4 |
| 9 | ILNQ | ILLINI STATE TRUCKING CO | | | SCAC4 |
| 10 | ILNT | INTERNATIONAL NUTRITION | | | SCAC4 |
| 11 | ILNU | INVERSIONES LORD NELSON C/O O M P I | | | SCAC4 |
