| 1 | RTI | Rotor Italia S.A.S. Di Vanni Claudio E.C. | Callsign: Rotoritalia, AOC revoked by ENC on 26 September 2019. | I | AVCODES |
| 2 | RTI | RAIL TOURS, INC. | | | PWRC |
| 3 | RTI | Railtrans International, s.r.o | | SK | VKM |
| 4 | RTIA | REGIONAL TOURS INC | | | SCAC3 |
| 5 | RTIA | ROHRER TRUCKING INC | | | SCAC4 |
| 6 | RTIB | R T INC | | | SCAC3 |
| 7 | RTIB | RTI TRANSPORTATION SERVICES INC | | | SCAC4 |
| 8 | RTID | REMMED TRANSPORTATION INC | | | SCAC4 |
| 9 | RTIE | ROCKMAN TRANSPORT INC | | | SCAC4 |
| 10 | RTIF | RESPONSIVE TRUCKING INC | | | SCAC3 |
| 11 | RTIF | RESPONSIVE TRUCKING INC | | | SCAC4 |
| 12 | RTIG | ROUSH TRUCKING | | | SCAC3 |
| 13 | RTIG | ROUSH TRUCKING | | | SCAC4 |
| 14 | RTIH | RICHTER TRANSPORT LLC | | | SCAC4 |
| 15 | RTII | RANDOM TASKS INC. | | | SCAC4 |
| 16 | RTIK | RTI BROKERAGE INC | | | SCAC4 |
| 17 | RTIL | RHENUS TRANSPORT INTERNATIONAL CORP | | | SCAC3 |
| 18 | RTIM | R.T.I., Riegel Transportation, INC | | | SCAC3 |
| 19 | RTIO | RAUTIO, DAN TRUCKING | | | SCAC3 |
| 20 | RTIO | REPROGRAPHIC TECHNOLOGY INTERNATION | | | SCAC4 |
| 21 | RTIP | R & T INC | | | SCAC3 |
| 22 | RTIP | RAM TRANSPORTATION INC | | | SCAC4 |
| 23 | RTIQ | ROUNTREE TRANSPORTATION INC | | | SCAC4 |
| 24 | RTIS | RAIL TRAILER SERVICE | | | SCAC3 |
| 25 | RTIS | R T I RESEARCH LTD | | | SCAC4 |
| 26 | RTIT | RTI TRANSPORT INC | | | SCAC3 |
| 27 | RTIT | RTI TRANSPORT INC | | | SCAC4 |
| 28 | RTIV | RIVAS TRUCKING INC | | | SCAC4 |
| 29 | RTIW | ROME TRANSPORTATION INC | | | SCAC4 |
| 30 | RTIW | FERMIPO, s.r.o. | | SK | VKM |
| 31 | RTIX | RTI—Railroad Services | 7/2000-7/2005 (not listed) | | NAKINA |
| 32 | RTIX | RTI--Railroad Services | Jul-00 | | NRHS |
| 33 | RTIX | RTI-RAILROAD SERVICES [RAIL EQUIPMENT & TRANSPORTATION, INC.} | | | PWRC |
| 34 | RTIX | RTI - Railroad Services | | | RSRV |
| 35 | RTIX | RTI RAILROAD SERVICES | | | SCAC4 |
