| 1 | ORI | Orion Air Pte. Ltd. | Callsign: Orion Air, | SY | AVCODES |
| 2 | ORI | Orionair, S.L. | Callsign: Red Globe, Part of the TravelPlan group. Suspended operations on 04 June 2009. | E | AVCODES |
| 3 | ORIC | ORLANDO INDUSTRIAL CONTRACTORS INC | | | SCAC3 |
| 4 | ORIC | ONE TWO TWO SEVEN ZERO ZERO ONE (12 | | | SCAC4 |
| 5 | ORID | ORION DELIVERY SERVICE INC | | | SCAC3 |
| 6 | ORID | ORTIZ ORTIZ, IDELIO | | | SCAC4 |
| 7 | ORIE | ORIENT TRUCKING AND CONSTRUCTION CO | | | SCAC3 |
| 8 | ORIG | ORIGINAL HALL-LANE MOVING & STORAGE | | | SCAC3 |
| 9 | ORIL | ORIOLE CHEMICAL CARRIERS INC | | | SCAC3 |
| 10 | ORIN | ORIENTAL MOVERS INC | | | SCAC3 |
| 11 | ORIO | Orione S.r.L., Tito | | I | TRAFFIC |
| 12 | ORION | F.H.U. ORION Kolej Krzysztof Warchoł | | PL | VKM |
| 13 | ORIP | ORIENT PACIFIC | | | SCAC3 |
| 14 | ORIT | ORIOLE TRUCKING INC | | | SCAC3 |
| 15 | ORIU | VINCI & CAMPAGNA SPA | | I | BIC |
| 16 | ORIY | ORION ENERGY CORP | | | SCAC4 |
