| 1 | RYS | Ryanair Sun S.A. | IATA: RR, Callsign: Magic Sun, Name changed to Ryanair Sun S.A. t/a BUZZ. Ryanair Holdings Group | PL | AVCODES |
| 2 | RYS | Ryanair Sun S.A. t/a BUZZ | IATA: RR, Callsign: Magic Sun, Name changed from Ryanair Sun S.A. Ryanair Holdings Group | PL | AVCODES |
| 3 | RYS | Royal Sky | | | ICAO1 |
| 4 | RYSB | RAYS SANDBLASTING | | | SCAC4 |
| 5 | RYSE | ROYSE TRANSPORTATION COMPANY | | | SCAC3 |
| 6 | RYSG | RYS LOGISTICS LLC | | | SCAC4 |
| 7 | RYSI | RECYCLING SPECIALTIES INC | | | SCAC4 |
| 8 | RYSK | RYTERSKI TRUCKING INC | | | SCAC3 |
| 9 | RYSN | RYAN, STANLEY | | | SCAC3 |
| 10 | RYSQ | RAYS MOVING SERVICE INC | | | SCAC3 |
| 11 | RYSR | RYAN SHIP SERVICES INC | | | SCAC4 |
| 12 | RYSS | RYDER TRANSPORTATION | | | SCAC3 |
| 13 | RYST | ROYAL S TRUCKING | | | SCAC3 |
| 14 | RYST | ROYAL SERVICE TRANSPORT INC | | | SCAC4 |
| 15 | RYSV | RYAN SERVICES INC | | | SCAC3 |
| 16 | RYSW | ROYAL INDIAN SWEETS | | | SCAC4 |
