| 1 | RRT | Transportes Aereos Sierra Alta. S.A. de C.V. | Callsign: Sierra Alta, | MEX | AVCODES |
| 2 | RRT | Transportes Aereos Sierra | | | ICAO1 |
| 3 | RRTA | R & R TRANSPORTATION | | | SCAC3 |
| 4 | RRTA | ROAD RUNNER TRAILER MANUFACTURING L | | | SCAC4 |
| 5 | RRTB | R & R TRUCKING | | | SCAC3 |
| 6 | RRTC | RED RIVER TRUCKING COMPANY | | | SCAC3 |
| 7 | RRTD | R & R TRUCKING | | | SCAC3 |
| 8 | RRTE | R & R TRUCKING (HUMBERSTONE) LIMITE | | | SCAC3 |
| 9 | RRTE | R & R TRANSPORTATION | | | SCAC4 |
| 10 | RRTG | REEDER, ROBERT TRUCKING | | | SCAC3 |
| 11 | RRTH | R & R TRUCKING | | | SCAC3 |
| 12 | RRTH | REDRICK TECHNOLOGIES INC | | | SCAC4 |
| 13 | RRTI | R & R TRUCKING INC | | | SCAC3 |
| 14 | RRTI | R & R TRANSPORT INC | | | SCAC4 |
| 15 | RRTJ | RRT LOGISTICS INC | | | SCAC4 |
| 16 | RRTL | ROLLAND ROSE TRUCKING INC | | | SCAC4 |
| 17 | RRTM | R & R TRUCKING INC | | | SCAC3 |
| 18 | RRTN | RED RIVER TRANSPORTATION | | | SCAC3 |
| 19 | RRTO | RODRIGUEZ TRANSPORT | | | SCAC4 |
| 20 | RRTP | ROAD-RAIL TRANSPORTATION COMPANY | | | SCAC3 |
| 21 | RRTQ | ROADRUNNER TRUCKING, INC | | | SCAC3 |
| 22 | RRTQ | R & R TRUCKING | | | SCAC4 |
| 23 | RRTS | R & R TRUCKING SERVICE | | | SCAC3 |
| 24 | RRTT | R & R TRANSPORTATION COMPANY | | | SCAC3 |
| 25 | RRTV | R & R TRUCKING | | | SCAC3 |
| 26 | RRTX | *(TTX) UMLER TEST ROAD NO.14 | | | PWRC |
| 27 | RRTX | +RAILROAD TECHNOLOGY CORP. | | | PWRC |
| 28 | RRTX | RAILROAD TECHNOLOGY CORPORATION | | | SCAC4 |
| 29 | RRTY | R & R TRANSFER | | | SCAC3 |
| 30 | RRTY | ROBERTSONS TRANSPORT | | | SCAC4 |
