| 3601 | RGUQ | REGNU INC | SCAC3 | ||
| 3602 | RGUS | REGENCY U S A TRANSPORTATION CORP I | SCAC3 | ||
| 3603 | RGVC | RGV CONCRETE | SCAC4 | ||
| 3604 | RGVI | RANGER ENVIRONMENTAL INC | SCAC4 | ||
| 3605 | RGVL | RGV LOGISTICS LLC | SCAC4 | ||
| 3606 | RGVS | REGIONAL TRANSIT SERVICES INC | SCAC4 | ||
| 3607 | RGVT | RGV TRUCKING INC | SCAC4 | ||
| 3608 | RGW | RIO GRANDE WESTERN RAILWAY | PWRC | ||
| 3609 | RGW | Rio Grande Western Railway (Union Pacific Railroad) | RSRV | ||
| 3610 | RGWD | ROGERS, WILLIAM D | SCAC3 | ||
| 3611 | RGWG | RGW GLOBAL LOGISTICS LLC | SCAC4 | ||
| 3612 | RGWK | REEDEREI GEBR WINTER GMBH & CO KG | SCAC4 | ||
| 3613 | RGWL | RIGHTWAY LINES | SCAC3 | ||
| 3614 | RGWL | RIGHTWAY LOGISTICS | SCAC4 | ||
| 3615 | RGWR | REDS GARAGE TOWING & RECOVERY INC | SCAC3 | ||
| 3616 | RGWR | ROYERS GENERAL WELDING & | SCAC4 | ||
| 3617 | RGWT | RIGHT WAY TRANSPORT INC | SCAC3 | ||
| 3618 | RGWT | RWT INC | SCAC4 | ||
| 3619 | RGWZ | (REAZ) TRANSAMERICAN LEASING, INC. | PWRC | ||
| 3620 | RGWZ | Rio Grande Western Railway (TAL International) | RSRV | ||
| 3621 | RGWZ | TRANSAMERICA LEASING INC | SCAC4 | ||
| 3622 | RGX | Rotary Gasoline Co. (Highway Oil Refining Corp.) | 7/1923-7/1930 | NAKINA | |
| 3623 | RGX | HIGHWAY OIL REFINING CO. [ROTARY GASOLINE CO.] | PWRC | ||
| 3624 | RGXC | REGIONAL EXPRESS COURIER LLC | SCAC4 | ||
| 3625 | RGXE | RIGGENS EXPRESS INC | SCAC4 | ||
| 3626 | RGXI | REGAL TRANSPORTATION INC | SCAC4 | ||
| 3627 | RGXL | RIEGEL TRANSPORTATION INDUSTRIES LL | SCAC4 | ||
| 3628 | RGXO | RG TRANSPORT | SCAC4 | ||
| 3629 | RGXP | REGENT EXPRESS INC | SCAC3 | ||
| 3630 | RGXS | ROGER EXPRESS SA DE CV | SCAC4 | ||
| 3631 | RGXT | RGX TRANSPORTE DE CARGA INTERNACION | SCAC4 | ||
| 3632 | RGXV | ROGUE TRANSPORTATION (REEFER DIVISI | SCAC4 | ||
| 3633 | RGY | Regency Airlines | ICAO1 | ||
| 3634 | RGZA | R-GARZA-A | SCAC4 | ||
| 3635 | RGZE | RODRIGUEZ EXPRESS S A DE C V | SCAC4 | ||
| 3636 | RGZM | RODRIGUEZ, MIKE TRUCKING | SCAC3 | ||
| 3637 | RHAD | RHOADES TRANSFER & STORAGE CO | SCAC3 | ||
| 3638 | RHAG | REINACHER HAULING | SCAC4 | ||
| 3639 | RHAS | RHINES, P & SONS TRUCKING | SCAC3 | ||
| 3640 | RHAT | REHA TRUCKING | SCAC3 | ||
| 3641 | RHAV | RHOADES AVIATION INC | SCAC4 | ||
| 3642 | RHAX | Sulphur Sales, Inc. | added 10/1974; 1/1975-1/1980; eliminated 1/1986 | NAKINA | |
| 3643 | RHAX | Sulphur Sales, Inc. | added 10/74; 1/75-1/80; eliminated 1/86 | NRHS | |
| 3644 | RHAX | SULPHUR SALES INC | PWRC | ||
| 3645 | RHAX | Sulphur Sales | RSRV | ||
| 3646 | RHAX | SULPHUR SALES INC | SCAC4 | ||
| 3647 | RHB | Rhein-Haardtbahn GmbH | Bad Dürkheim | D | privat-bahn.de |
| 3648 | RHB | Rhätische Bahn | CH | TRAFFIC | |
| 3649 | RHB | Rhätische Bahn (RhB) | CH | VKM | |
| 3650 | RHBA | Rhein-Haardt-Bahn | D | TRAFFIC | |
| 3651 | RHBD | RED HOT BONDED DELIVERY | SCAC3 | ||
| 3652 | RHBD | RHENANIA TRANSPORT BV | SCAC4 | ||
| 3653 | RHBG | Rheingold-Zug Betriebsgesellschaft mbH | DE | VKM | |
| 3654 | RHBH | ROHRBACH TRUCKING | SCAC3 | ||
| 3655 | RHBH | ROHIT TRANSPORT LTD | SCAC4 | ||
| 3656 | RHBN | REHBEIN BUS SERVICE INC | SCAC3 | ||
| 3657 | RHBRN | Rheinbraun - Rheinische Braunkohlenwerke | D | TRAFFIC | |
| 3658 | RHBT | R H B TRUCKING INC | SCAC4 | ||
| 3659 | RHBX | R.H. Bogle Co. | 4/1947-1/1980; eliminated 5/1983 | NAKINA | |
| 3660 | RHBX | R.H. Bogle Co. | 1/52-1/80; eliminated 5/83 | NRHS | |
| 3661 | RHBX | R.H. BOGLE CO. | PWRC | ||
| 3662 | RHBX | R. H. Bogle | RSRV | ||
| 3663 | RHC | Redhill Aviation | IATA: 8L | ICAO1 | |
| 3664 | RHC | RheinCargo GmbH & Co. KG | DE | VKM | |
| 3665 | RHCA | RheinCargo | Real: RHC | D | TRAFFIC |
| 3666 | RHCB | RONA HOME CENTRE AND THE KITCHEN & | SCAC4 | ||
| 3667 | RHCD | RICHARDS | SCAC4 | ||
| 3668 | RHCE | RHODES, C E ENTERPRISES | SCAC3 | ||
| 3669 | RHCF | RICHCLIFF TRUCKING INC | SCAC3 | ||
| 3670 | RHCG | RICHMOND CARTAGE CO INC | SCAC3 | ||
| 3671 | RHCH | ROSENEATH CHINCHILLA | SCAC4 | ||
| 3672 | RHCI | RANDYS HIGH COUNTRY TOWING INC | SCAC4 | ||
| 3673 | RHCL | RICHMORE CO. LTD | SCAC3 | ||
| 3674 | RHCN | RIGHTWAY HAULING CORPORATION | SCAC4 | ||
| 3675 | RHCO | RAWHIDE CHEMOIL INC | SCAC4 | ||
| 3676 | RHCP | ROADS & HIGHWAYS CORP | SCAC4 | ||
| 3677 | RHCV | ROCKINGHAM CARRIAGE SERVICE INC | SCAC4 | ||
| 3678 | RHCX | The Roessler & Hasslacher Chemical Co., Inc. | 7/1932 | NAKINA | |
| 3679 | RHCX | The Roessler & Hasslacher Chemical Co. | 7/1930 | NAKINA | |
| 3680 | RHCX | ROESSLER & HASSLACHER CHEMICAL CO., INC. | PWRC | ||
| 3681 | RHCY | RICHANDORI COMPANY, THE | SCAC4 | ||
| 3682 | RHD | Bond Air Services | ICAO1 | ||
| 3683 | RHDA | RT TRANSPORT | SCAC4 | ||
| 3684 | RHDB | ROHNER DISTRIBUTORS INC | SCAC3 | ||
| 3685 | RHDC | RAHR DIRECT CO (BREWERS SUPPLY GROU | SCAC4 | ||
| 3686 | RHDE | RHODES SERVICE CENTER | SCAC3 | ||
| 3687 | RHDE | RHODES SERVICE CENTER | SCAC4 | ||
| 3688 | RHDG | RETTICH, DONALD | SCAC4 | ||
| 3689 | RHDI | RED HILL DELIVERY SERVICE | SCAC3 | ||
| 3690 | RHDJ | RHOADS ENERGY CORPORATION | SCAC4 | ||
| 3691 | RHDK | RICHARDSON TRUCKING | SCAC3 | ||
| 3692 | RHDL | RICHDALE CO S A PANAMA | SCAC4 | ||
| 3693 | RHDM | RICHARDS MOVING & STORAGE | SCAC3 | ||
| 3694 | RHDM | RUSH WORTH TRANSPORTATION INC | SCAC4 | ||
| 3695 | RHDN | RIEGOS HIDRAULICOS DEL NORTE S A | SCAC4 | ||
| 3696 | RHDO | RHODOS MARITIME COMPANY | SCAC3 | ||
| 3697 | RHDQ | RICHARDS TRANSPORT | SCAC3 | ||
| 3698 | RHDR | ROBICHAUD TRANSPORTATION SERVICES I | SCAC4 | ||
| 3699 | RHDS | RHODES, E R & SON | SCAC4 | ||
| 3700 | RHDT | RHODES TRUCKING CORPORATION | SCAC3 |