| 7201 | ROSO | ROSALIUS, CURTIS H | | | SCAC3 |
| 7202 | ROSO | ROSARIO E N E | | | SCAC4 |
| 7203 | ROSP | ROSEMAN, E, COMPANY | | | SCAC3 |
| 7204 | ROSQ | ROSAS TRANSPORTATION & EQUIPMENT LE | | | SCAC3 |
| 7205 | ROSQ | ROSSER TRUCKING | | | SCAC4 |
| 7206 | ROSR | ROSS, ROY TRUCKING COMPANY | | | SCAC3 |
| 7207 | ROSS | ROSS TRANSPORTATION | | | SCAC3 |
| 7208 | ROSS | RANGER OILFIELD SERVICES | | | SCAC4 |
| 7209 | ROST | ROBLIN STEEL | | | PWRC |
| 7210 | ROSU | ROOS SPEDITION GMBH | | D | BIC |
| 7211 | ROSU | ROOS SPEDITION GMBH | | | SCAC4 |
| 7212 | ROSV | ROSES TRANSPORTATION | | | SCAC4 |
| 7213 | ROSX | Ross and Company, Inc. | 7/1935 | | NAKINA |
| 7214 | ROSY | ROSE-WAY INC | | | SCAC3 |
| 7215 | ROSY | ROBINSON OIL SUPPLY & TRANSPORT INC | | | SCAC4 |
| 7216 | ROSZ | ROSS TRUCKING LLC | | | SCAC4 |
| 7217 | 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 |
| 7218 | ROT | Tarom | IATA: RO | | ICAO1 |
| 7219 | ROT | RAIL OR TRAIL CORP. | | | PWRC |
| 7220 | ROT | Rotterdamse Elektrische Tram | Real: RET, City: Rotterdam | NL | TRAFFIC |
| 7221 | ROTA | ROOT, A L, TRANSPORTATION, INC | | | SCAC3 |
| 7222 | ROTA | TAROM - Transporturile Aeriene Române | Real: ROT | RO | TRAFFIC |
| 7223 | ROTB | ROSSI, THEODORE TRUCKING CO, INC | | | SCAC3 |
| 7224 | ROTC | ROSE TRUCKING CORP | | | SCAC4 |
| 7225 | ROTD | ROTENBERGER, DAVID M | | | SCAC3 |
| 7226 | ROTD | ROOT, DALE S TRUCKING | | | SCAC4 |
| 7227 | ROTE | ROBERTS TRADING CORP | | | SCAC3 |
| 7228 | ROTE | ROTEC INTERNATIONAL | | | SCAC4 |
| 7229 | ROTEDD | Die Rote Doppeldecker GmbH | | D | TRAFFIC |
| 7230 | ROTER | TERMICA SA | | RO | VKM |
| 7231 | ROTF | ROAD/TRAIN | | | SCAC3 |
| 7232 | ROTH | ROTHROCK, J L, INC | | | SCAC3 |
| 7233 | ROTH | ROTHROCK, J L INC | | | SCAC4 |
| 7234 | ROTHC | Rotherham Corporation Transport | | GB | TRAFFIC |
| 7235 | ROTI | ROGERS TRUCKING INC | | | SCAC3 |
| 7236 | ROTI | ROGERS TRUCKING INC | | | SCAC4 |
| 7237 | ROTJ | R ONE TWO (R12) PORK LTD | | | SCAC4 |
| 7238 | ROTK | ROSS TRUCKING COMPANY | | | SCAC3 |
| 7239 | ROTK | ROBERTS TRUCKING LLC | | | SCAC4 |
| 7240 | ROTL | ROSS TRUCK LINES INC | | | SCAC3 |
| 7241 | ROTL | RODELA TRANSPORTACION Y LOGISTICA | | | SCAC4 |
| 7242 | ROTM | R O TRANSPORTATION | | | SCAC4 |
| 7243 | ROTN | ROSS TRUCKING INC | | | SCAC3 |
| 7244 | ROTN | R & O TRANSPORT | | | SCAC4 |
| 7245 | ROTO | ROYAL TRANSPORT INC | | | SCAC3 |
| 7246 | ROTO | ROTORCHROME | | | SCAC4 |
| 7247 | ROTQ | ROGOVIN TRANSPORTATION | | | SCAC3 |
| 7248 | ROTQ | ROLLINS TRANSPORT SERVICE INC | | | SCAC4 |
| 7249 | ROTR | ROSS TRANSFER, INC | | | SCAC3 |
| 7250 | ROTS | RED OAK TRANSFER AND STORAGE CO INC | | | SCAC3 |
| 7251 | ROTT | ROSS'S FREEWAY TRANSIT | | | SCAC3 |
| 7252 | ROTTAL | Rottal Auto AG | | CH | TRAFFIC |
| 7253 | ROTU | ROTONDE INTERNATIONAL | | NL | BIC |
| 7254 | ROTW | RONS TOWING & WRECKING | | | SCAC3 |
| 7255 | ROTW | RENEWAL ONSITE TRUCKING | | | SCAC4 |
| 7256 | ROTX | Pennsylvania-Conley Tank Line, a Division of General American Transportation Corp. | 4/1938 | | NAKINA |
| 7257 | ROTX | Republic Oil Co. | 7/1932-7/1937 | | NAKINA |
| 7258 | ROTX | Republic Oil Co. | Apr-38 | | NRHS |
| 7259 | ROTX | *PENNSYLVANIA-CONLEY TANK LINE, DIV. GENERAL AMERICAN TRANSPORTATION CORP. | | | PWRC |
| 7260 | ROTY | ROTHE, RAYMOND | | | SCAC3 |
| 7261 | ROTY | ROTOCHOPPER INC | | | SCAC4 |
| 7262 | ROU | Transportes Aereos I.R. Crusoe Ltda. | Callsign: Robinson Crusoe, | RCH | AVCODES |
| 7263 | ROU | Routair Flying Services Limited | Callsign: Routair, | GB | AVCODES |
| 7264 | ROU | 8165343 Canada Inc. dba Air Canada rouge | IATA: RV, Callsign: Rouge, Name changed to Air Canada rouge LP w.e.f. 09 January 2014. | CDN | AVCODES |
| 7265 | ROU | Air Canada rouge LP | IATA: RV, Callsign: Rouge, Name changed from 8165343 Canada Inc. dba Air Canada rouge w.e.f. 09 January 2014. | CDN | AVCODES |
| 7266 | ROU | Transportes Aereos I.R. Crusoe | | | ICAO1 |
| 7267 | ROUA | ROUX, NORMAN W | | | SCAC3 |
| 7268 | ROUA | ROUNDABOUT ENTERPRISES INC | | | SCAC4 |
| 7269 | ROUC | ROSS, JOHN L TRUCKING | | | SCAC3 |
| 7270 | ROUD | ROUSEY DELIVERY SERVICE | | | SCAC3 |
| 7271 | ROUE | ROUTE MESSENGERS OF PENNSYLVANIA IN | | | SCAC3 |
| 7272 | ROUEN | | City: Rouen | F | TRAFFIC |
| 7273 | ROUF | ROUNTREE, FRANK, PRODUCE COMPANY | | | SCAC3 |
| 7274 | ROUH | ROUTHIER, J P & SONS INC | | | SCAC3 |
| 7275 | ROUH | ROUTHIER, J P & SONS INC | | | SCAC4 |
| 7276 | ROUI | ROUTES TRANSPORT INTERNATIONAL INC | | | SCAC3 |
| 7277 | ROUK | ROUES-ALEX INC | | | SCAC4 |
| 7278 | ROUN | ROUNTREE TRANSPORT & RIGGING INC | | | SCAC4 |
| 7279 | ROUO | ROMAC EXPRESS | | | SCAC3 |
| 7280 | ROUO | ROUNDERS TRANSPORTATION AND LOGISTI | | | SCAC4 |
| 7281 | ROUP | ROUND-UP TRUCKING INC | | | SCAC3 |
| 7282 | ROUR | ROUGHRIDER TRANSPORTATION INC | | | SCAC4 |
| 7283 | ROUS | ROUSSIN, ALDEE TRANSPORT INC | | | SCAC3 |
| 7284 | ROUT | ROUNSAVILLE TRUCKING INC | | | SCAC4 |
| 7285 | ROUU | ITA ROUTE | | F | BIC |
| 7286 | ROUV | ROUSH VAN LINES INC | | | SCAC3 |
| 7287 | ROUY | ROCKET SUPPLY CORPORATION | | | SCAC4 |
| 7288 | ROV | Rover Airways International, Inc. | IATA: 5R, Callsign: Roverair, Designator 5R recalled by IATA | USA | AVCODES |
| 7289 | ROV | Rover Airways International, Inc. | Callsign: Roverair, Designator 5R recalled by IATA | USA | AVCODES |
| 7290 | ROV | Rover Airways International | | | ICAO1 |
| 7291 | ROVH | ROUST VEHICLES INC | | | SCAC3 |
| 7292 | ROVI | ROYAL VAN & STORAGE INC | | | SCAC3 |
| 7293 | ROVM | RAINIER OVERSEAS MOVERS INC | | | SCAC3 |
| 7294 | ROVO | RONNANS TRANSFER AND STORAGE COMPAN | | | SCAC3 |
| 7295 | ROVS | ROGERS VAN & STORAGE, INC | | | SCAC3 |
| 7296 | ROVT | ROSS TRUCKING | | | SCAC3 |
| 7297 | ROVTR | VEST TRANS RAIL SRL | | RO | VKM |
| 7298 | ROVU | STEINWEG HANDLSVEEM BV | | | SCAC4 |
| 7299 | ROW | Nor Aviation | Callsign: Rotorwing, | N | AVCODES |
| 7300 | ROWA | ROADCAP, WARD, JR, INC | | | SCAC3 |
