| 1 | RYN | Ryan International Airlines | IATA: 1I, Callsign: Ryan International, IATA Designator changed to RD | USA | AVCODES |
| 2 | RYN | Ryan International Airlines | IATA: RD, Callsign: Ryan International, Founded in 1972. Filed for Chapter 11 Bankrupcy protection on 06 March 2012. Ceased operations on 11 January 2013. IATA Designator changed from 1I | USA | AVCODES |
| 3 | RYN | Ryan Aviation Corp. d/b/a Ryan International Airlines | IATA: IN, Callsign: Ryan International, Desigantor IN rcalled by IATA | USA | AVCODES |
| 4 | RYN | Ryan International Airlines | IATA: RD | | ICAO1 |
| 5 | RYNC | REYNOLDS SHIPPING CO INC | | | SCAC3 |
| 6 | RYNC | REYNOLDS WAREHOUSE INC | | | SCAC4 |
| 7 | RYND | REYNOLDS NATIONWIDE | | | SCAC4 |
| 8 | RYNE | RYNONE INDUSTRIES, INC | | | SCAC3 |
| 9 | RYNE | RYAN ENTERPRISES | | | SCAC4 |
| 10 | RYNF | RYANS EXPRESS FREIGHT INC | | | SCAC4 |
| 11 | RYNH | RYANS HORSE EXPRESS | | | SCAC3 |
| 12 | RYNH | RYAN LOGISTICS INC | | | SCAC4 |
| 13 | RYNI | REYNOLDS FASTENERS | | | SCAC3 |
| 14 | RYNJ | RYAN, JOHN TRUCKING INC | | | SCAC3 |
| 15 | RYNJ | RYAN AND SONS TRUCKING INC | | | SCAC4 |
| 16 | RYNK | RYAN TRANSPORTATION SERVICE INC | | | SCAC3 |
| 17 | RYNK | RYAN TRANSPORTATION SERVICE INC | | | SCAC4 |
| 18 | RYNL | REYNOLDS OIL COMPANY | | | SCAC4 |
| 19 | RYNM | RYANS MOVING & STORAGE CO | | | SCAC3 |
| 20 | RYNM | RYANS MOVING & STORAGE CO | | | SCAC4 |
| 21 | RYNN | RYNN TRANSPORTATION INC | | | SCAC4 |
| 22 | RYNO | REYNOLDS, RICHARD L | | | SCAC3 |
| 23 | RYNP | RAYNOR EXPRESS | | | SCAC4 |
| 24 | RYNQ | RYAN-WALSH STEVEDORING COMPANY | | | SCAC3 |
| 25 | RYNR | ROYAL PRINCESS CARRIERS INC | | | SCAC3 |
| 26 | RYNR | REYNOSO TRUCKING | | | SCAC4 |
| 27 | RYNT | RYAN TRUCKING COMPANY INC | | | SCAC3 |
| 28 | RYNV | RYNO TRANSPORT | | | SCAC4 |
| 29 | RYNX | Ryan Industries | added 1/2002; eliminated 7/2003; 7/2005 (not listed) | | NAKINA |
| 30 | RYNX | RYAN INDUSTRIES | | | PWRC |
| 31 | RYNX | RYAN Industries | | | RSRV |
