| 1 | LZB | Balkan Air Tours Ltd. | IATA: FB, Callsign: Balkan Tour, Name changed to Bulgaria Air. New State Airline to replace bankrupt Balkan - Bulgarian Airlines. | BG | AVCODES |
| 2 | LZB | Bulgaria Air | IATA: FB, Callsign: Balkan Tour, IATA Prefix: 623, ICAO callsign changed to Flying Bulgaria. Name changed from Balkan Air Tours Ltd. | BG | AVCODES |
| 3 | LZB | Bulgaria Air | IATA: FB, Callsign: Flying Bulgaria, IATA Prefix: 623, ICAO callsign changed from Balkan Tour. Name changed from Balkan Air Tours Ltd. | BG | AVCODES |
| 4 | LZB | Bulgaria Air | IATA: FB | | ICAO1 |
| 5 | LZBT | LA-Z-BOY TRANSPORTATION | | | SCAC4 |
