| 1 | OUR | Aerotour, S.A. de C.V. | Callsign: Mexitour, | MEX | AVCODES |
| 2 | OURA | OURADA, DANIEL TRUCKING CO | | | SCAC3 |
| 3 | OURA | OUT OF RUINS | | | SCAC4 |
| 4 | OURD | The Ogden Union Ry. and Depot Co. | 1/1975-7/2005 | | NAKINA |
| 5 | OURD | The Ogden Union Ry. and Depot Co. | 1/75-7/2000 | | NRHS |
| 6 | OURD | OGDEN UNION RAILWAY & DEPOT CO. | | | PWRC |
| 7 | OURD | Ogden Union Railway and Depot | | | RSRV |
| 8 | OURD | OGDEN UNION RAILWAY AND DEPOT COMPA | | | SCAC3 |
| 9 | OURK | OUR TRUCKING CO | | | SCAC3 |
| 10 | OURS | OUR SPECIALTY TRANSPORTATION SERVIC | | | SCAC4 |
| 11 | OURT | OUR TRUCK CO | | | SCAC3 |
| 12 | OURW | OUR WAY FREIGHT | | | SCAC3 |
| 13 | OURY | OGDENSBURG BRIDGE & PORT AUTHORITY | | | PWRC |
