| 1 | ROT | Compnia Nationala de Transporturi Aeriene Romane TAROM S.A. | IATA: RO, Callsign: Tarom, IATA Prefix: 281, Name changed from TAROM - Romanian Air Transport. | RO | AVCODES |
| 2 | ROT | Tarom | IATA: RO | | ICAO1 |
| 3 | ROT | RAIL OR TRAIL CORP. | | | PWRC |
| 4 | ROT | Rotterdamse Elektrische Tram | Real: RET, City: Rotterdam | NL | TRAFFIC |
| 5 | ROTA | ROOT, A L, TRANSPORTATION, INC | | | SCAC3 |
| 6 | ROTA | TAROM - Transporturile Aeriene Române | Real: ROT | RO | TRAFFIC |
| 7 | ROTB | ROSSI, THEODORE TRUCKING CO, INC | | | SCAC3 |
| 8 | ROTC | ROSE TRUCKING CORP | | | SCAC4 |
| 9 | ROTD | ROTENBERGER, DAVID M | | | SCAC3 |
| 10 | ROTD | ROOT, DALE S TRUCKING | | | SCAC4 |
| 11 | ROTE | ROBERTS TRADING CORP | | | SCAC3 |
| 12 | ROTE | ROTEC INTERNATIONAL | | | SCAC4 |
| 13 | ROTEDD | Die Rote Doppeldecker GmbH | | D | TRAFFIC |
| 14 | ROTER | TERMICA SA | | RO | VKM |
| 15 | ROTF | ROAD/TRAIN | | | SCAC3 |
| 16 | ROTH | ROTHROCK, J L, INC | | | SCAC3 |
| 17 | ROTH | ROTHROCK, J L INC | | | SCAC4 |
| 18 | ROTHC | Rotherham Corporation Transport | | GB | TRAFFIC |
| 19 | ROTI | ROGERS TRUCKING INC | | | SCAC3 |
| 20 | ROTI | ROGERS TRUCKING INC | | | SCAC4 |
| 21 | ROTJ | R ONE TWO (R12) PORK LTD | | | SCAC4 |
| 22 | ROTK | ROSS TRUCKING COMPANY | | | SCAC3 |
| 23 | ROTK | ROBERTS TRUCKING LLC | | | SCAC4 |
| 24 | ROTL | ROSS TRUCK LINES INC | | | SCAC3 |
| 25 | ROTL | RODELA TRANSPORTACION Y LOGISTICA | | | SCAC4 |
| 26 | ROTM | R O TRANSPORTATION | | | SCAC4 |
| 27 | ROTN | ROSS TRUCKING INC | | | SCAC3 |
| 28 | ROTN | R & O TRANSPORT | | | SCAC4 |
| 29 | ROTO | ROYAL TRANSPORT INC | | | SCAC3 |
| 30 | ROTO | ROTORCHROME | | | SCAC4 |
| 31 | ROTQ | ROGOVIN TRANSPORTATION | | | SCAC3 |
| 32 | ROTQ | ROLLINS TRANSPORT SERVICE INC | | | SCAC4 |
| 33 | ROTR | ROSS TRANSFER, INC | | | SCAC3 |
| 34 | ROTS | RED OAK TRANSFER AND STORAGE CO INC | | | SCAC3 |
| 35 | ROTT | ROSS'S FREEWAY TRANSIT | | | SCAC3 |
| 36 | ROTTAL | Rottal Auto AG | | CH | TRAFFIC |
| 37 | ROTU | ROTONDE INTERNATIONAL | | NL | BIC |
| 38 | ROTW | RONS TOWING & WRECKING | | | SCAC3 |
| 39 | ROTW | RENEWAL ONSITE TRUCKING | | | SCAC4 |
| 40 | ROTX | Pennsylvania-Conley Tank Line, a Division of General American Transportation Corp. | 4/1938 | | NAKINA |
| 41 | ROTX | Republic Oil Co. | 7/1932-7/1937 | | NAKINA |
| 42 | ROTX | Republic Oil Co. | Apr-38 | | NRHS |
| 43 | ROTX | *PENNSYLVANIA-CONLEY TANK LINE, DIV. GENERAL AMERICAN TRANSPORTATION CORP. | | | PWRC |
| 44 | ROTY | ROTHE, RAYMOND | | | SCAC3 |
| 45 | ROTY | ROTOCHOPPER INC | | | SCAC4 |
