| Carrier Code | Carrier Name |
| RRVO | R R & V O LLC |
| RSCM | REPORT SHIPPING COMPANY LIMITED |
| RSCU | RAMSEY SCARLETT & CO INC |
| RSIU | RATHMORE INTERNATIONAL INC |
| RSME | RASMUSSEN MARITIME SERVICES A S |
| RSMR | ROSS MARITIME |
| RSMU | REMUS MARINE CO INC |
| RSPU | RS RAILSPED SA |
| RSSO | R & S STORES INC |
| RSWD | ROSEWOOD SHIPPING CORPORATION |
| RTCU | RAILTRANS LTD, OY |
| RTKA | ROSTOCK-ATLANTIK-LINE GMBH |
| RTRU | ROAD TRAILER RENTALS INC |
| RTSU | RENT TANK AG |
| RUBV | RUBY SERVICES LTD |
