| 4701 | RKIC | ROCK-IT CARGO USA INC | SCAC3 | ||
| 4702 | RKIC | ROCK-IT CARGO USA LLC | SCAC4 | ||
| 4703 | RKIG | ROYAL KING ENTERPRISE LTD | SCAC4 | ||
| 4704 | RKIK | RKI | SCAC4 | ||
| 4705 | RKIP | ROCK IMPLEMENT INC | SCAC3 | ||
| 4706 | RKIT | RANKIN TRUCKING, INC | SCAC3 | ||
| 4707 | RKIW | ROCK-IT CARGO USA LLC | SCAC4 | ||
| 4708 | RKKG | ROOKS TRUCKING CO | SCAC4 | ||
| 4709 | RKKL | RKT TRUCKING LLC | SCAC4 | ||
| 4710 | RKLC | RK LOGISTICS GROUP INC, THE | SCAC4 | ||
| 4711 | RKLD | REEDEREI NORD KLAUS E OLDENDORFF LT | SCAC3 | ||
| 4712 | RKLE | RICKARD, LEE | SCAC3 | ||
| 4713 | RKLG | RK LOGISTICS GROUP INC, THE | SCAC4 | ||
| 4714 | RKLI | RKL ENTERPRISES INC | SCAC4 | ||
| 4715 | RKLL | ROAD KING LOGISTICS LLC | SCAC4 | ||
| 4716 | RKLU | RENTOKIL LTD | SCAC3 | ||
| 4717 | RKM | RAK Airways | ICAO1 | ||
| 4718 | RKMC | ROKUCHU MARINE CORPORATION | SCAC3 | ||
| 4719 | RKMC | ROCKY MOUNTAIN CARGO LLC | SCAC4 | ||
| 4720 | RKMD | ROCKY MOUNTAIN DELIVERY & TRANSPORT | SCAC3 | ||
| 4721 | RKMI | ROCKET MESSENGER SERVICE INC | SCAC3 | ||
| 4722 | RKMI | RK MACHINE INC | SCAC4 | ||
| 4723 | RKMK | RICKMAN TRUCKING CO INC | SCAC4 | ||
| 4724 | RKML | ROCKY MOUNTAIN LIVESTOCK TRUCKING I | SCAC3 | ||
| 4725 | RKMM | ROCKY MOUNTAIN MOVING & STORAGE INC | SCAC3 | ||
| 4726 | RKMN | RKM EQUIPMENT & TRUCKING INC | SCAC3 | ||
| 4727 | RKMO | ROCKY MOUNTAIN FREIGHT CONSOLIDATOR | SCAC3 | ||
| 4728 | RKMP | RKM TRANSPORT | SCAC3 | ||
| 4729 | RKMP | ROCK BOTTOM EXPRESS | SCAC4 | ||
| 4730 | RKMR | ROCKY MOUNTAIN RENTAL | SCAC3 | ||
| 4731 | RKMR | REKORD MARINE ENT LTD | SCAC4 | ||
| 4732 | RKMS | ROCKY MOUNTAIN SHIPPERS | SCAC3 | ||
| 4733 | RKMU | TARASCONI TRASPORTI SRL | SCAC4 | ||
| 4734 | RKMV | ROCKEYS MOVING & STORAGE LLC | SCAC4 | ||
| 4735 | RKMW | Chicago, Rock Island and Pacific R.R. Co. | 1/1980 | NAKINA | |
| 4736 | RKMW | Chicago, Rock Island and Pacific R.R. Co. | Jan-80 | NRHS | |
| 4737 | RKMW | CHICAGO, ROCK ISLAND & PACIFIC RAILROAD (ROCK ISLAND), MILWAUKEE ROAD OPERATIONS | PWRC | ||
| 4738 | RKMW | Chicago, Rock Island and Pacific Railroad | RSRV | ||
| 4739 | RKNC | ROCKTRANS INC | SCAC4 | ||
| 4740 | RKND | ROCKLAND MOVING & STORAGE | SCAC3 | ||
| 4741 | RKNE | RANKIN ENTERPRISES | SCAC3 | ||
| 4742 | RKNE | ROADLINK TRANSPORTATION SOLUTIONS ( | SCAC4 | ||
| 4743 | RKNG | R L TRUCKING INC | SCAC3 | ||
| 4744 | RKNI | RKN TRUCKING INC | SCAC4 | ||
| 4745 | RKNM | ROCK & MATERIALS INC | SCAC3 | ||
| 4746 | RKNQ | RANKINS SPECIAL DELIVERY | SCAC3 | ||
| 4747 | RKNT | ROECKNER TRUCKING INC | SCAC3 | ||
| 4748 | RKNY | RAY, KENNY TRUCKING INC | SCAC3 | ||
| 4749 | RKO | RKO GENERAL | PWRC | ||
| 4750 | RKOL | RUN KOOL | SCAC4 | ||
| 4751 | RKOP | RIKO TRANSPORTATION INC | SCAC3 | ||
| 4752 | RKOT | RAN-KO TRUCKING INC | SCAC3 | ||
| 4753 | RKPD | RAYMARK PETROLEUM DELIVERY | SCAC3 | ||
| 4754 | RKPD | ROCKY PRODUCE INC | SCAC4 | ||
| 4755 | RKPF | RICKS PERFORMANCE INC | SCAC4 | ||
| 4756 | RKRB | ROCKING ROBIN TRUCK LINES | SCAC3 | ||
| 4757 | RKRC | ROCKINR COMPANY | SCAC3 | ||
| 4758 | RKRE | ROCK RIVER EXPRESS INC | SCAC4 | ||
| 4759 | RKRM | ROCK ROSE MARITIME S A | SCAC4 | ||
| 4760 | RKRO | ROCK-N-ROAD CONSTRUCTION | SCAC3 | ||
| 4761 | RKRQ | ROCK RIVER CARTAGE INC | SCAC3 | ||
| 4762 | RKRS | R K R SERVICE COMPANIES INC | SCAC3 | ||
| 4763 | RKRT | RICKER TRUCKING COMPANY LLC | SCAC4 | ||
| 4764 | RKRV | ROCK RIVER TRANSIT | SCAC3 | ||
| 4765 | RKRV | ROCK RIVER TRANSIT INC | SCAC4 | ||
| 4766 | RKSC | ROCKFORD SPECIALIZED CARRIERS | SCAC3 | ||
| 4767 | RKSI | ROKAITIS INDUSTRIES INC | SCAC3 | ||
| 4768 | RKSI | RKS TRUCKING LLC | SCAC4 | ||
| 4769 | RKSM | RICKS MOVING AND STORAGE INC | SCAC3 | ||
| 4770 | RKSN | RICK & SONS TRUCKING | SCAC3 | ||
| 4771 | RKSP | ROCK SPRING TRANSPORT | SCAC3 | ||
| 4772 | RKSP | ROCK ISLAND EXPRESS | SCAC4 | ||
| 4773 | RKSQ | ROCK SOLID CONCRETE PRODUCTS INC | SCAC4 | ||
| 4774 | RKSR | ROOKS TRANSPORT INC | SCAC4 | ||
| 4775 | RKSV | ROOT TRUCK SERVICES LLC | SCAC4 | ||
| 4776 | RKSW | R K STORAGE & WAREHOUSING INC | SCAC3 | ||
| 4777 | RKT | Rotormotion | ICAO1 | ||
| 4778 | RKTA | RICKS TRANSFER INC | SCAC3 | ||
| 4779 | RKTC | R & K TRUCKING INC | SCAC3 | ||
| 4780 | RKTE | R K TRANSPORT INC | SCAC4 | ||
| 4781 | RKTF | R K TRANSFER INC | SCAC3 | ||
| 4782 | RKTG | RICKS TRUCKING | SCAC3 | ||
| 4783 | RKTG | RICKYS TRUCKING | SCAC4 | ||
| 4784 | RKTH | RICKERT TRANSPORTATION | SCAC3 | ||
| 4785 | RKTH | RICKERT TRANSPORTATION | SCAC4 | ||
| 4786 | RKTI | RELIABLE KIRSCHBAUM TRUCKING CORP | SCAC3 | ||
| 4787 | RKTI | RADEVSKI TRANSPORT INC | SCAC4 | ||
| 4788 | RKTJ | ROCKING L TRUCKING | SCAC4 | ||
| 4789 | RKTM | ROCK TRANSPORT INC | SCAC3 | ||
| 4790 | RKTN | ROCKYS TRUCKING | SCAC3 | ||
| 4791 | RKTN | RAIKO TRANSPORT INC | SCAC4 | ||
| 4792 | RKTO | R K TRANSPORT OF ALEXANDRIA INC | SCAC3 | ||
| 4793 | RKTO | RK TRANSPORT OF ALEXANDRIA INC | SCAC4 | ||
| 4794 | RKTP | RAC-KUHN TRANSPORT INC | SCAC3 | ||
| 4795 | RKTQ | R & K TRUCKING INC | SCAC3 | ||
| 4796 | RKTR | R & K TRUCKING | SCAC3 | ||
| 4797 | RKTS | RICKS TRANSPORT INC | SCAC3 | ||
| 4798 | RKTT | ROCKING T TRANSPORTATION | SCAC3 | ||
| 4799 | RKTV | ROCKING K TRUCKING LLC | SCAC4 | ||
| 4800 | RKTW | R & K TOWING INC | SCAC3 |