| 1 | OSN | Aerosan, S.A. de C.V. | Callsign: Aerosan, | MEX | AVCODES |
| 2 | OSN | Aerosan | | | ICAO1 |
| 3 | OSN | Stadtwerke Osnabrück | | D | TRAFFIC |
| 4 | OSND | ONE SEVEN NINE FOUR TWO ONE SIX (17 | | | SCAC4 |
| 5 | OSNF | ONE SEVEN NINE THREE FIVE SIX THREE | | | SCAC4 |
| 6 | OSNG | OSENGA TRANSPORT SYSTEM INC | | | SCAC3 |
| 7 | OSNG | OVERSEAS LNG S1 CORPORATION | | | SCAC4 |
| 8 | OSNK | OVERSEAS NIKISKI LLC | | | SCAC4 |
| 9 | OSNL | OVERSEAS NAVIGATION LTD | | | SCAC3 |
| 10 | OSNT | OWENSBY & SONS TRUCKING INC | | | SCAC3 |
| 11 | OSNV | OPAL SEAS NAVIGATION LTD | | | SCAC3 |
| 12 | OSNV | OPAL SEAS NAVIGATION LTD | | | SCAC4 |
| 13 | OSNX | Osnabrook Farmers Cooperative Elevator | added 1/2008; eliminated 4/2008 | | NAKINA |
| 14 | OSNX | OSNABROCK FARMERS COOPERATIVE ELEVATOR | | | PWRC |
| 15 | OSNX | OSNABROCK FARMERS COOPERATIVE ELEVA | | | SCAC4 |
| 16 | OSNY | OVERSEAS NEW YORK LLC | | | SCAC4 |
