| 1 | ROU | Transportes Aereos I.R. Crusoe Ltda. | Callsign: Robinson Crusoe, | RCH | AVCODES |
| 2 | ROU | Routair Flying Services Limited | Callsign: Routair, | GB | AVCODES |
| 3 | 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 |
| 4 | 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 |
| 5 | ROU | Transportes Aereos I.R. Crusoe | | | ICAO1 |
| 6 | ROUA | ROUX, NORMAN W | | | SCAC3 |
| 7 | ROUA | ROUNDABOUT ENTERPRISES INC | | | SCAC4 |
| 8 | ROUC | ROSS, JOHN L TRUCKING | | | SCAC3 |
| 9 | ROUD | ROUSEY DELIVERY SERVICE | | | SCAC3 |
| 10 | ROUE | ROUTE MESSENGERS OF PENNSYLVANIA IN | | | SCAC3 |
| 11 | ROUEN | | City: Rouen | F | TRAFFIC |
| 12 | ROUF | ROUNTREE, FRANK, PRODUCE COMPANY | | | SCAC3 |
| 13 | ROUH | ROUTHIER, J P & SONS INC | | | SCAC3 |
| 14 | ROUH | ROUTHIER, J P & SONS INC | | | SCAC4 |
| 15 | ROUI | ROUTES TRANSPORT INTERNATIONAL INC | | | SCAC3 |
| 16 | ROUK | ROUES-ALEX INC | | | SCAC4 |
| 17 | ROUN | ROUNTREE TRANSPORT & RIGGING INC | | | SCAC4 |
| 18 | ROUO | ROMAC EXPRESS | | | SCAC3 |
| 19 | ROUO | ROUNDERS TRANSPORTATION AND LOGISTI | | | SCAC4 |
| 20 | ROUP | ROUND-UP TRUCKING INC | | | SCAC3 |
| 21 | ROUR | ROUGHRIDER TRANSPORTATION INC | | | SCAC4 |
| 22 | ROUS | ROUSSIN, ALDEE TRANSPORT INC | | | SCAC3 |
| 23 | ROUT | ROUNSAVILLE TRUCKING INC | | | SCAC4 |
| 24 | ROUU | ITA ROUTE | | F | BIC |
| 25 | ROUV | ROUSH VAN LINES INC | | | SCAC3 |
| 26 | ROUY | ROCKET SUPPLY CORPORATION | | | SCAC4 |
