| 1 | RGT | Airbourne School of Flying | Callsign: Airgoat, Ceased operations. | GB | AVCODES |
| 2 | RGT | Airbourne School of Flying | | | ICAO1 |
| 3 | RGT | REGIOTRANS SRL | | RO | VKM |
| 4 | RGTC | RIGGLE TRUCKING INC | | | SCAC4 |
| 5 | RGTD | REICHERT, GENE TRUCKING INC | | | SCAC3 |
| 6 | RGTF | ROGERS TRANSFER, INC | | | SCAC3 |
| 7 | RGTF | RIVERA GAS TRANSPORTADORA SA DE CV | | | SCAC4 |
| 8 | RGTI | ROGERS, LOREN TRUCKING COMPANY | | | SCAC3 |
| 9 | RGTJ | RGTS | | | SCAC4 |
| 10 | RGTL | RAGSDALE TRUCK LINE INC | | | SCAC3 |
| 11 | RGTL | R & G TRANSPORT LTD | | | SCAC4 |
| 12 | RGTM | ROGERS TRUCKING INC | | | SCAC3 |
| 13 | RGTN | ROME GEORGIA TRANSPORT INC | | | SCAC4 |
| 14 | RGTO | RANGER TRANSPORT (DIVISION OF LENS | | | SCAC4 |
| 15 | RGTP | R&G TRANSPORTATION, Cargo Systems, INC | | | SCAC3 |
| 16 | RGTQ | ROGERS TRANSFER | | | SCAC3 |
| 17 | RGTQ | RD G TRUCKIN LLC | | | SCAC4 |
| 18 | RGTR | REGAL WEST CORP | | | SCAC4 |
| 19 | RGTR | Regiotrans Brasov | | RO | TRAFFIC |
| 20 | RGTS | REGAL TRANSPORTATION SERVICES INC | | | SCAC3 |
| 21 | RGTS | RACING TRANSPORTS LLC | | | SCAC4 |
| 22 | RGTU | RIGTANK GLOBAL S.A. | | PA | BIC |
| 23 | RGTU | DENVER & RIO GRANDE WESTERN | | | PWRC |
| 24 | RGTU | Denver and Rio Grande Western Railroad (Union Pacific Railroad) | | | RSRV |
| 25 | RGTV | ROGERS, TROY VAN | | | SCAC3 |
| 26 | RGTW | RAYS GARAGE TOWING | | | SCAC3 |
| 27 | RGTW | ROLLING THUNDER INC | | | SCAC4 |
| 28 | RGTX | Residco | 1/1994-7/2005 (not listed) | | NAKINA |
| 29 | RGTX | Residco | 1/94-7/2000 | | NRHS |
| 30 | RGTX | RESIDCO | | | PWRC |
| 31 | RGTX | Denver and Rio Grande Western Railroad (Residco) | | | RSRV |
| 32 | RGTX | RESIDCO | | | SCAC4 |
| 33 | RGTY | RIO GRAND TRANSPORT | | | SCAC3 |
| 34 | RGTY | ROBINSON, GERALD TRUCKING | | | SCAC4 |
| 35 | RGTZ | UP [SP] [DENVER & RIO GRANDE WESTERN] | | | PWRC |
| 36 | RGTZ | Denver and Rio Grande Western Railroad (Union Pacific Railroad) | | | RSRV |
| 37 | RGTZ | UNION PACIFIC RAILROAD COMPANY | | | SCAC4 |
