| 1001 | RBIO | RUBIO BUS LINES | | | SCAC3 |
| 1002 | RBIO | RUBIO ALARCON, RAFAEL | | | SCAC4 |
| 1003 | RBIP | ROBINSON TRANSPORT COMPANY INC | | | SCAC4 |
| 1004 | RBIQ | RUBENS DELIVERY SERVICE | | | SCAC3 |
| 1005 | RBIS | ROBINSON TRANSFER | | | SCAC3 |
| 1006 | RBIT | ROBINSON TRANSFER CO INC | | | SCAC3 |
| 1007 | RBIT | ROBINSON TRANSFER COMPANY INC | | | SCAC4 |
| 1008 | RBIV | ROBINSON, IVAN E | | | SCAC4 |
| 1009 | RBJ | Aeroservicios Del Bajio, S.A. de C.V. | Callsign: Aerobajio, | MEX | AVCODES |
| 1010 | RBJ | Aeroserivios Del Bajio | | | ICAO1 |
| 1011 | RBJK | ROBINSON, B J TRUCKING INC | | | SCAC4 |
| 1012 | RBJL | ROBINSON, J L TRANSPORT | | | SCAC3 |
| 1013 | RBJM | ROBINSON, JAMES | | | SCAC3 |
| 1014 | RBJR | R B JR TRANSPORT | | | SCAC4 |
| 1015 | RBJT | RBJ TRANSPORT INC | | | SCAC3 |
| 1016 | RBK | Rio Baker | Callsign: Riobaker, | RCH | AVCODES |
| 1017 | RBK | Regionalbahn Kassel GmbH | Kassel | D | privat-bahn.de |
| 1018 | RBK | Reginalbahn Kassel | | D | TRAFFIC |
| 1019 | RBK | Regionalbahn Kassel GmbH | | DE | VKM |
| 1020 | RBKB | R B KIRKCONNELL BROS LTD | | | PWRC |
| 1021 | RBKB | READS-BROOKS RED BALL INC | | | SCAC4 |
| 1022 | RBKC | RAVENNA BULK CARRIERS INC. | | | SCAC3 |
| 1023 | RBKC | RBK CONSTRUCTION INC | | | SCAC4 |
| 1024 | RBKD | ROBERTS, KEITH TRUCKING LTD | | | SCAC4 |
| 1025 | RBKF | RIVERBROOK FARMS INC | | | SCAC4 |
| 1026 | RBKG | ROBERTS TRUCKING | | | SCAC3 |
| 1027 | RBKG | REBAK BROKERAGE LLC | | | SCAC4 |
| 1028 | RBKI | REVELLE, BILL TRUCKING INC | | | SCAC3 |
| 1029 | RBKN | ROBERTS & SONS TRUCKING INC | | | SCAC3 |
| 1030 | RBKN | R B K TRUCKING INC | | | SCAC4 |
| 1031 | RBKR | RED BANK RAILROAD COMPANY (PITTSBURG & SHAWMUT RAILROAD CO.) | | | PWRC |
| 1032 | RBKR | RED BANK RAILROAD COMPANY | | | SCAC3 |
| 1033 | RBKT | ROGERS, BUCK TRAVEL SERVICE INC | | | SCAC3 |
| 1034 | RBKU | RABANCO COMPANIES | | | SCAC4 |
| 1035 | RBKX | Red Bank R.R. Co. | 1/1994 | | NAKINA |
| 1036 | RBKX | Red Bank R.R. Co. | Jan-94 | | NRHS |
| 1037 | RBKX | RED BANK RAILROAD CO. | | | PWRC |
| 1038 | RBKY | ROBERTSON TRUCKING | | | SCAC4 |
| 1039 | RBL | Air Blanchard | | F | AVCODES |
| 1040 | RBL | Skymedia AG | Callsign: Red Bull, ICAO Designator changed to LAS. ICAO callsign changed to Lions Helicopter | CH | AVCODES |
| 1041 | RBL | Royal Belau Airways | Callsign: Royal Belau, | PAL | AVCODES |
| 1042 | RBLA | RELIABLE TRAILER INC | | | SCAC4 |
| 1043 | RBLC | RELIABLE CARRIERS INC | | | SCAC3 |
| 1044 | RBLC | RELIABLE CARRIERS INC | | | SCAC4 |
| 1045 | RBLD | RELIABLE DELIVERIES INC | | | SCAC3 |
| 1046 | RBLD | RBL INC | | | SCAC4 |
| 1047 | RBLE | ROBLES TRUCKING QUALITY SERVICE INC | | | SCAC4 |
| 1048 | RBLG | R & B LEASING CO | | | SCAC3 |
| 1049 | RBLH | RELIABLE HOLDINGS INC | | | SCAC3 |
| 1050 | RBLI | R B L INC | | | SCAC3 |
| 1051 | RBLI | RANGI BROTHERS LOGISTIC INC | | | SCAC4 |
| 1052 | RBLJ | REBEL TRUCKING | | | SCAC3 |
| 1053 | RBLJ | RB LOGISTICS | | | SCAC4 |
| 1054 | RBLL | RELIABLE LOGISTICS LLC | | | SCAC4 |
| 1055 | RBLM | ROBINSON LUMBER CO | | | SCAC4 |
| 1056 | RBLN | ROWAN BUS LINES | | | SCAC3 |
| 1057 | RBLN | REBEL TRANSPORTATION INC | | | SCAC4 |
| 1058 | RBLO | ROBELLO AND SONS TRANSPORTATION | | | SCAC3 |
| 1059 | RBLP | REBEL TRANSPORTATION | | | SCAC3 |
| 1060 | RBLP | ROBERTS LANDSCAPING COMPANY INC | | | SCAC4 |
| 1061 | RBLQ | RELIABLE AUTO TRANSPORT | | | SCAC3 |
| 1062 | RBLR | ROBINSON, LEROY G | | | SCAC3 |
| 1063 | RBLS | ROBLES, ED TRUCKING | | | SCAC3 |
| 1064 | RBLT | ROBINSON, C H WORLDWIDE (LTL DIVISI | | | SCAC4 |
| 1065 | RBLUE | Royal Blue Coach Services | | GB | TRAFFIC |
| 1066 | RBLV | RED BALL VAN LINES INC | | | SCAC3 |
| 1067 | RBLW | R B L WISCONSIN INC | | | SCAC3 |
| 1068 | RBLW | ROBERTS BROS LUMBER CO INC | | | SCAC4 |
| 1069 | RBLX | Brent C. Lewis | 7/2000-7/2005 (not listed) | | NAKINA |
| 1070 | RBLX | Brent C. Lewis | Jul-00 | | NRHS |
| 1071 | RBLX | BRENT C. LEWIS | | | PWRC |
| 1072 | RBLX | Brent C. Lewis | | | RSRV |
| 1073 | RBLX | BRENT C LEWIS | | | SCAC4 |
| 1074 | RBLY | RAYLIN BUS LINES | | | SCAC3 |
| 1075 | RBLY | ROBLES TRUCKING | | | SCAC4 |
| 1076 | RBM | | City: Merseburg | D | TRAFFIC |
| 1077 | RBMB | R B T LIMITED | | | SCAC4 |
| 1078 | RBMC | ROBINSON MOTORCYCLE LTD | | | SCAC4 |
| 1079 | RBMD | ROBERTS, MARK D | | | SCAC3 |
| 1080 | RBMD | ROBINSON MAPLE PRODUCTS | | | SCAC4 |
| 1081 | RBMF | RED BALL MOTOR FREIGHT INC | | | PWRC |
| 1082 | RBMF | RED BALL MOTOR FREIGHT INC | | | SCAC3 |
| 1083 | RBMG | RED BALL MOVING & STORAGE LLC | | | SCAC4 |
| 1084 | RBMI | RUBYMAR LIMITED | | | SCAC4 |
| 1085 | RBML | RAINBOW MOTOR LINES | | | SCAC3 |
| 1086 | RBML | RBM HOLD SOLUTIONS | | | SCAC4 |
| 1087 | RBMN | Reading Blue Mountain & Northern R.R. Co. | 1/1994; added 4/2000; 7/2000; eliminated 7/2000; 7/2005; added 1/2009; eliminated 4/2009 | | NAKINA |
| 1088 | RBMN | Reading Blue Mountain & Northern R.R. Co. | 1/94; added 4/2000; 7/2000; eliminated 7/2000 | | NRHS |
| 1089 | RBMN | READING BLUE MOUNTAIN & NORTHERN RAILROAD COMPANY | | | PWRC |
| 1090 | RBMN | Reading Blue Mountain and Northern Railroad | | | RSRV |
| 1091 | RBMN | READING BLUE MOUNTAIN & NORTHERN RA | | | SCAC3 |
| 1092 | RBMN | READING BLUE MOUNTAIN & NORTHERN RA | | | SCAC4 |
| 1093 | RBMN | Reading Blue Mountain & Northern Railroad Company | | USA | TRAFFIC |
| 1094 | RBMO | R B S INC | | | SCAC3 |
| 1095 | RBMO | R B S INC | | | SCAC4 |
| 1096 | RBMQ | RED BALL MOVING AND STORAGE OF | | | SCAC4 |
| 1097 | RBMR | RBM REFRIGERATED DISTRIBUTION COMPA | | | SCAC3 |
| 1098 | RBMR | RUBY MARINE INCORPORATED | | | SCAC4 |
| 1099 | RBMS | ROSSI BROS MOTOR SERVICE, INC | | | SCAC3 |
| 1100 | RBMS | RBM CARRIERS INC | | | SCAC4 |
