| 1 | SEJ | Servicio Aereo Ejecutivo S.A. (SAE) | Callsign: Ejecutivo Peru, | PE | AVCODES |
| 2 | SEJ | Royal Airlines Limited d/b/a Spice Jet | IATA: SG, Callsign: Spicejet, ICAO designator changed from MOD. ICAO callsign changed to Modiluft. Name changed from Royal Airlines Limited. IATA designator changed from 0S. | IND | AVCODES |
| 3 | SEJ | SpiceJet Ltd | IATA: SG, Callsign: Spicejet, IATA Prefix: 775, ICAO designator changed from MOD. ICAO callsign changed to Modiluft. Name changed from Royal Airlines Limited. IATA designator changed from 0S. | IND | AVCODES |
| 4 | SEJ | Spicejet | IATA: SG | | ICAO1 |
| 5 | SEJ | Svartälfs Järnväg | 1882 - 1910 | S | svenska-lok.se |
| 6 | SEJ | SpiceJet Ltd | Real: SG / SEJ, Established as air taxi provider ModiLuft in 1994, the company was acquired by Indian entrepreneur Ajay Singh in 2004 and renamed to SpiceJet | IND | TRAFFIC |
| 7 | SEJA | SANTOS EQUESTRIAN INVESTMENTS INC | | | SCAC4 |
| 8 | SEJB | STEALTH TRUCKING | | | SCAC4 |
| 9 | SEJC | SAMRATH ENTERPRISES INC | | | SCAC4 |
| 10 | SEJD | SERENA TRANSPORT LTD | | | SCAC4 |
| 11 | SEJG | SE JUNG SHIPPING CO LTD | | | SCAC4 |
| 12 | SEJJ | SEAGO LINE | | | SCAC4 |
| 13 | SEJK | SENTRY ENGINEERING GROUP INC | | | SCAC4 |
| 14 | SEJL | SEELAND INC | | | SCAC4 |
| 15 | SEJM | SEJIN MARINE CO LTD | | | SCAC4 |
| 16 | SEJQ | SPECIAL EVENTS PARTY RENTAL INC | | | SCAC4 |
| 17 | SEJR | SERJO CAMIONNAGE INC | | | SCAC4 |
| 18 | SEJU | SEA EXPRESS LINE | | SY | BIC |
