| 1 | OME | Omega Air, S. de R.L. | | HN | AVCODES |
| 2 | OME | Omega Aerial Refueling Services, Inc. | Callsign: Oemga Tanker, | USA | AVCODES |
| 3 | OME | Ostmecklenburgische Eisenbahngesellschaft mbH | Neubrandenburg (Connex-Gruppe > Veolia Verkehr > OLA) | D | privat-bahn.de |
| 4 | OME | Ostmecklenburgische Eisenbahn | | D | TRAFFIC |
| 5 | OMEA | OMEGA ASSOCIATES LTD | | | SCAC3 |
| 6 | OMEC | OMEGA TOOL CORP | | | SCAC4 |
| 7 | OMEG | OMEGA TRAVEL INC | | | SCAC3 |
| 8 | OMEI | OMEIR TRAVEL AGENCY | | | SCAC3 |
| 9 | OMEP | OMNI ENTERPRISES INC | | | SCAC3 |
| 10 | OMET | OKON METALS INCORPORATED | | | SCAC4 |
| 11 | OMEU | ODOM MARITIME ENTERPRISES | | | SCAC3 |
