| 201 | RBGK | R BAR G TRUCKING | | | SCAC4 |
| 202 | RBGN | RO-BAG TRANSPORTATION SERVICES | | | SCAC3 |
| 203 | RBGO | RIGEL BEREEDERUNGS GMBH & CO KG MT | | | SCAC4 |
| 204 | RBGP | ROSENBERGER TRANSPORT | | | SCAC4 |
| 205 | RBGQ | R B GREENE TRANSPORTATION INC | | | SCAC3 |
| 206 | RBGR | ROBEY, GARY TRUCKING INC | | | SCAC3 |
| 207 | RBGR | ROBEY, GARY TRUCKING INC | | | SCAC4 |
| 208 | RBGT | R B TOWING | | | SCAC3 |
| 209 | RBGT | ROBERGE TRANSPORT INC | | | SCAC4 |
| 210 | RBGU | LLC “RB CONTAINER” | | RUS | BIC |
| 211 | RBGV | RIGEL BEREEDERUNGS GMBH & CO KG MT | | | SCAC4 |
| 212 | RBGW | RIGEL BEREEDERUNGS GMBH & CO KG MT | | | SCAC4 |
| 213 | RBGX | National Oil Products Co. | 7/1935-7/1937 | | NAKINA |
| 214 | RBGX | NATIONAL OIL PRODUCTS CO. | | | PWRC |
| 215 | RBGY | ROBERT, GUY ENGR | | | SCAC3 |
| 216 | RBH | Regal Bahamas International Airways Limited | Callsign: Calypso, | BS | AVCODES |
| 217 | RBH | Regal Bahamas International Airways | | | ICAO1 |
| 218 | RBH | RAG Bahn- und Hafen GmbH | Gladbeck (RAG = Ruhrkohle AG) | D | privat-bahn.de |
| 219 | RBH | Ruhrkohle Bahn - Hafen | Successor of the RAG (Ruhrkohle AG) | D | TRAFFIC |
| 220 | RBH | RBH Logistics GmbH | | DE | VKM |
| 221 | RBHC | ROBIN HOOD CONTAINER EXPRESS NC | | | SCAC3 |
| 222 | RBHC | ROBIN HOOD CONTAINER EXPRESS NC | | | SCAC4 |
| 223 | RBHI | R B HIGH TECH TRANSPORT INC | | | SCAC4 |
| 224 | RBHL | ROBERTS BLUE HILLS TRANSPORT LLC | | | SCAC4 |
| 225 | RBHN | R & B CHARTERS INC | | | SCAC4 |
| 226 | RBHQ | R AND B HAULING INC | | | SCAC3 |
| 227 | RBHS | REC BOAT HOLDINGS LLC | | | SCAC4 |
| 228 | RBHT | RAY BROTHERS TRUCKING COMPANY INC | | | SCAC3 |
| 229 | RBHT | REHOBOTH TRANSPORTATION INC | | | SCAC4 |
| 230 | RBHX | ROBERT B HILL COMPANY INC | | | SCAC4 |
| 231 | RBHZ | *(REAZ) RETIRED 04-20-93 ATP (2489) | | | PWRC |
| 232 | RBHZ | *REBANCO HOUSE 7 | | | PWRC |
| 233 | RBI | Air Bright Ltd. | Callsign: Airbright, | BG | AVCODES |
| 234 | RBIA | RELIABLE TRANSPORTATION SERVICES IN | | | SCAC3 |
| 235 | RBIA | ROBINA VENTURES | | | SCAC4 |
| 236 | RBIB | ROBBINS BEEF CO INC | | | SCAC3 |
| 237 | RBIB | ROBBINS BEEF CO INC | | | SCAC4 |
| 238 | RBIC | ROBINS INTERSTATE CARRIERS INC | | | SCAC4 |
| 239 | RBIE | ROBINSON, EARL TRUCKING INC | | | SCAC3 |
| 240 | RBIF | RILEY BROTHERS INC | | | SCAC4 |
| 241 | RBII | RAINBOW INDUSTRIES INC | | | SCAC3 |
| 242 | RBIK | ROBINETTE TRUCKING INC | | | SCAC3 |
| 243 | RBIK | RAT SHOP CUSTOM BIKES/ROLLING THUND | | | SCAC4 |
| 244 | RBIL | ROBERSON TRANSPORTATION SERVICES IN | | | SCAC3 |
| 245 | RBIM | ROBIN MARITIME INC | | | SCAC3 |
| 246 | RBIM | ROBIN MARITIME INC | | | SCAC4 |
| 247 | RBIN | ROBINSON, C H CO | | | SCAC3 |
| 248 | RBIN | ROBINSON, C H WORLDWIDE (INTERMODAL | | | SCAC4 |
| 249 | RBIO | RUBIO BUS LINES | | | SCAC3 |
| 250 | RBIO | RUBIO ALARCON, RAFAEL | | | SCAC4 |
| 251 | RBIP | ROBINSON TRANSPORT COMPANY INC | | | SCAC4 |
| 252 | RBIQ | RUBENS DELIVERY SERVICE | | | SCAC3 |
| 253 | RBIS | ROBINSON TRANSFER | | | SCAC3 |
| 254 | RBIT | ROBINSON TRANSFER CO INC | | | SCAC3 |
| 255 | RBIT | ROBINSON TRANSFER COMPANY INC | | | SCAC4 |
| 256 | RBIV | ROBINSON, IVAN E | | | SCAC4 |
| 257 | RBJ | Aeroservicios Del Bajio, S.A. de C.V. | Callsign: Aerobajio, | MEX | AVCODES |
| 258 | RBJ | Aeroserivios Del Bajio | | | ICAO1 |
| 259 | RBJK | ROBINSON, B J TRUCKING INC | | | SCAC4 |
| 260 | RBJL | ROBINSON, J L TRANSPORT | | | SCAC3 |
| 261 | RBJM | ROBINSON, JAMES | | | SCAC3 |
| 262 | RBJR | R B JR TRANSPORT | | | SCAC4 |
| 263 | RBJT | RBJ TRANSPORT INC | | | SCAC3 |
| 264 | RBK | Rio Baker | Callsign: Riobaker, | RCH | AVCODES |
| 265 | RBK | Regionalbahn Kassel GmbH | Kassel | D | privat-bahn.de |
| 266 | RBK | Reginalbahn Kassel | | D | TRAFFIC |
| 267 | RBK | Regionalbahn Kassel GmbH | | DE | VKM |
| 268 | RBKB | R B KIRKCONNELL BROS LTD | | | PWRC |
| 269 | RBKB | READS-BROOKS RED BALL INC | | | SCAC4 |
| 270 | RBKC | RAVENNA BULK CARRIERS INC. | | | SCAC3 |
| 271 | RBKC | RBK CONSTRUCTION INC | | | SCAC4 |
| 272 | RBKD | ROBERTS, KEITH TRUCKING LTD | | | SCAC4 |
| 273 | RBKF | RIVERBROOK FARMS INC | | | SCAC4 |
| 274 | RBKG | ROBERTS TRUCKING | | | SCAC3 |
| 275 | RBKG | REBAK BROKERAGE LLC | | | SCAC4 |
| 276 | RBKI | REVELLE, BILL TRUCKING INC | | | SCAC3 |
| 277 | RBKN | ROBERTS & SONS TRUCKING INC | | | SCAC3 |
| 278 | RBKN | R B K TRUCKING INC | | | SCAC4 |
| 279 | RBKR | RED BANK RAILROAD COMPANY (PITTSBURG & SHAWMUT RAILROAD CO.) | | | PWRC |
| 280 | RBKR | RED BANK RAILROAD COMPANY | | | SCAC3 |
| 281 | RBKT | ROGERS, BUCK TRAVEL SERVICE INC | | | SCAC3 |
| 282 | RBKU | RABANCO COMPANIES | | | SCAC4 |
| 283 | RBKX | Red Bank R.R. Co. | 1/1994 | | NAKINA |
| 284 | RBKX | Red Bank R.R. Co. | Jan-94 | | NRHS |
| 285 | RBKX | RED BANK RAILROAD CO. | | | PWRC |
| 286 | RBKY | ROBERTSON TRUCKING | | | SCAC4 |
| 287 | RBL | Air Blanchard | | F | AVCODES |
| 288 | RBL | Skymedia AG | Callsign: Red Bull, ICAO Designator changed to LAS. ICAO callsign changed to Lions Helicopter | CH | AVCODES |
| 289 | RBL | Royal Belau Airways | Callsign: Royal Belau, | PAL | AVCODES |
| 290 | RBLA | RELIABLE TRAILER INC | | | SCAC4 |
| 291 | RBLC | RELIABLE CARRIERS INC | | | SCAC3 |
| 292 | RBLC | RELIABLE CARRIERS INC | | | SCAC4 |
| 293 | RBLD | RELIABLE DELIVERIES INC | | | SCAC3 |
| 294 | RBLD | RBL INC | | | SCAC4 |
| 295 | RBLE | ROBLES TRUCKING QUALITY SERVICE INC | | | SCAC4 |
| 296 | RBLG | R & B LEASING CO | | | SCAC3 |
| 297 | RBLH | RELIABLE HOLDINGS INC | | | SCAC3 |
| 298 | RBLI | R B L INC | | | SCAC3 |
| 299 | RBLI | RANGI BROTHERS LOGISTIC INC | | | SCAC4 |
| 300 | RBLJ | REBEL TRUCKING | | | SCAC3 |
