| 9201 | RTLE | RANGER TRUCK LINE INC | | | SCAC3 |
| 9202 | RTLE | ROSE TRANSPORT LLC | | | SCAC4 |
| 9203 | RTLH | RTL HOLDINGS INC | | | SCAC3 |
| 9204 | RTLH | REAL TALK LLC | | | SCAC4 |
| 9205 | RTLI | REIN TRUCK LINE INC | | | SCAC3 |
| 9206 | RTLK | RITCHIE LAKELAND TRANSPORT INC | | | SCAC4 |
| 9207 | RTLM | RANGE TRANSPORT LTD | | | SCAC3 |
| 9208 | RTLM | ROUND THE LAKES MOTOR EXPRESS INC | | | SCAC4 |
| 9209 | RTLN | RUSSELL TRUCKING LINE, INC | | | SCAC3 |
| 9210 | RTLO | R TRUCK LINE | | | SCAC3 |
| 9211 | RTLO | ROSA TRANSPORTATION LLC | | | SCAC4 |
| 9212 | RTLOG | Rail Time Logistics GmbH | | DE | VKM |
| 9213 | RTLP | RAMOS TANK | | | SCAC4 |
| 9214 | RTLQ | RTL RELIABLE TRANSPORTATION LINK | | | SCAC4 |
| 9215 | RTLR | R T S I | | | SCAC3 |
| 9216 | RTLR | RAPID TRUCK LINES INC | | | SCAC4 |
| 9217 | RTLT | R T L TRANSPORT | | | SCAC3 |
| 9218 | RTLU | RTS LOGISTIC CO., LTD | | RUS | BIC |
| 9219 | RTLW | RELIABLE TANK LINE LIMITED PARTNERS | | | SCAC3 |
| 9220 | RTLW | RELIABLE TANK LINE LIMITED PARTNERS | | | SCAC4 |
| 9221 | RTLX | Relco Tank Line, Inc. | 7/2000-7/2005 | | NAKINA |
| 9222 | RTLX | Relco Leasing Corp. | 1/1994 | | NAKINA |
| 9223 | RTLX | Relco Tank Line, Inc. | added 10/1986 | | NAKINA |
| 9224 | RTLX | Relco Tank Line Division of Relco Nevada Corp. | added 10/1976; 1/1980; eliminated 10/1986 | | NAKINA |
| 9225 | RTLX | Relco Tank Line, Inc. | added 1/1972; 1/1975; eliminated 10/1976 | | NAKINA |
| 9226 | RTLX | Relco Tank Line | added 7/1971; eliminated 1/1972 | | NAKINA |
| 9227 | RTLX | Relco Leasing Corp. | added 4/1970; 4/1970; eliminated 7/1971 | | NAKINA |
| 9228 | RTLX | Relco Tank Line, Inc. | added 10/1964; 7/1965-10/1966; eliminated 4/1970 | | NAKINA |
| 9229 | RTLX | Roby Tank Line | 7/1923-7/1935 | | NAKINA |
| 9230 | RTLX | American Maize Products Co. | 7/1937-4/1938 | | NAKINA |
| 9231 | RTLX | Roby Tank Line (American Maize Products Co.) | Apr-38 | | NRHS |
| 9232 | RTLX | Relco Tank Line, Inc. | 7/65-10/66; eliminated 4/70 | | NRHS |
| 9233 | RTLX | Relco Leasing Corp. | added 4/70; 4/70 | | NRHS |
| 9234 | RTLX | Relco Tank Line, Inc. | added 1/72; 1/75 | | NRHS |
| 9235 | RTLX | Relco Tank Line Division of Relco Nevada Corp. | 1/80; eliminated 10/86 | | NRHS |
| 9236 | RTLX | Relco Tank Line, Inc. | added 10/86 | | NRHS |
| 9237 | RTLX | Relco Leasing Corp. | Jan-94 | | NRHS |
| 9238 | RTLX | Relco Tank Line, Inc. | Jul-00 | | NRHS |
| 9239 | RTLX | *ROBY TANK LINE | | | PWRC |
| 9240 | RTLX | *AMERICAN MAIZE PRODUCTS CO. | | | PWRC |
| 9241 | RTLX | +RELCO NEVADA CORP., RELCO TANK LINE DIV. | | | PWRC |
| 9242 | RTLX | Relco Nevada Corporation (Relco Tank Line Division) | | | RSRV |
| 9243 | RTLX | RELCO TANK LINE | | | SCAC3 |
| 9244 | RTLX | RELCO TANK LINE INC | | | SCAC4 |
| 9245 | RTLY | RTL INC | | | SCAC3 |
| 9246 | RTLY | RICE TRANSPORT LLC | | | SCAC4 |
| 9247 | RTM | Aero Express Del Ecuador Trans AM | IATA: 7T, Callsign: Aero Transam, IATA Prefix: 144, DHL Ecuador | EC | AVCODES |
| 9248 | RTM | Trans Am Compania | | | ICAO1 |
| 9249 | RTM | The Railway Transfer Co. of the City of Minneapolis | 1/1975-1/1980; eliminated 4/1984 | | NAKINA |
| 9250 | RTM | The Railway Transfer Co. of the City of Minneapolis | 1/75-1/80; eliminated 4/84 | | NRHS |
| 9251 | RTM | RAILWAY TRANSFER COMPANY OF MINNEAPOLIS | | | PWRC |
| 9252 | RTM | Rotterdamsche Tramweg Maatschappij | | NL | TRAFFIC |
| 9253 | RTMA | RTM COMPANY LLC | | | SCAC4 |
| 9254 | RTMA | | Real: RTM, City: Marseille | F | TRAFFIC |
| 9255 | RTMB | ROBINSON ENTERPRISES INVESTMENT COM | | | SCAC4 |
| 9256 | RTMC | RAP TRUCKING MINORITY CO | | | SCAC3 |
| 9257 | RTME | RM TRUCKING | | | SCAC4 |
| 9258 | RTMF | READY TO MOVE | | | SCAC4 |
| 9259 | RTMG | REALTIME TRANSPORT LLC | | | SCAC4 |
| 9260 | RTMH | R3 MOTORSPORTS | | | SCAC4 |
| 9261 | RTMI | RAYS TRUCKING INC | | | SCAC3 |
| 9262 | RTMIN | Rio Tinto Minera | Real: RT | E | TRAFFIC |
| 9263 | RTMJ | R T M TRANSPORTATION INC | | | SCAC4 |
| 9264 | RTML | RAPID TRANS-MOVERS LLC | | | SCAC4 |
| 9265 | RTMM | RTM TRUCKING | | | SCAC3 |
| 9266 | RTMN | RTM NAVIGATION INC | | | SCAC3 |
| 9267 | RTMN | RTM NAVIGATION INC | | | SCAC4 |
| 9268 | RTMP | RTM TRANSPORT LTD | | | SCAC4 |
| 9269 | RTMQ | ROTHERMEL & SONS LTD | | | SCAC3 |
| 9270 | RTMQ | RTM TRANSPORTATION LLC | | | SCAC4 |
| 9271 | RTMR | RETRAMAR S A | | | SCAC4 |
| 9272 | RTMS | REED TRUCKING INC | | | SCAC3 |
| 9273 | RTMU | ROTTERDAM TANKCONTAINERS LEASING | | NL | BIC |
| 9274 | RTMU | ROTTERDAM TANKCONTAINER LEASING | | | SCAC4 |
| 9275 | RTMV | R T M SERVICES | | | SCAC3 |
| 9276 | RTMV | RTM SERVICES | | | SCAC4 |
| 9277 | RTMX | General Electric Rail Services Corp. | added 1/2000; 7/2000-7/2005 | | NAKINA |
| 9278 | RTMX | General Electric Railcar Services Corp. | added 4/1988; 1/1994; eliminated 1/2000 | | NAKINA |
| 9279 | RTMX | Richmond Leasing Co. | added 4/1974; 1/1975-1/1980; eliminated 4/1988 | | NAKINA |
| 9280 | RTMX | Marathon Leasing Co. | added 10/1970; eliminated 4/1974 | | NAKINA |
| 9281 | RTMX | Richmond Tank Car & Manufacturing Co. | added 4/1968; eliminated 1/1969; added 7/1970; eliminated 10/1970 | | NAKINA |
| 9282 | RTMX | Richmond Tank Car & Manufacturing Co. | added 4/68; eliminated 1/69; added 7/70; eliminated 10/70 | | NRHS |
| 9283 | RTMX | Marathon Leasing Co. | added 10/70 | | NRHS |
| 9284 | RTMX | Richmond Leasing Co. | 1/75-1/80; eliminated 4/88 | | NRHS |
| 9285 | RTMX | General Electric Railcar Services Corp. | added 4/88; 1/94; eliminated 1/2000 | | NRHS |
| 9286 | RTMX | General Electric Rail Services Corp. | added 1/2000; 7/2000 | | NRHS |
| 9287 | RTMX | (NATX) GENERAL ELECTRIC RAIL SERVICES CORP. [RICHMOND LEASING CO.; MARATHON LEASING CO.] | | | PWRC |
| 9288 | RTMX | Richmond Leasing | | | RSRV |
| 9289 | RTMX | GENERAL ELECTRIC RAILCAR SERVICES C | | | SCAC4 |
| 9290 | RTMY | RTM LINES | | | SCAC4 |
| 9291 | RTMZ | (REAZ) TRANSAMERICA LEASING, INC. | | | PWRC |
| 9292 | RTMZ | TIP Intermodal Services | | | RSRV |
| 9293 | RTMZ | TRANSPORT INTERNATIONAL POOL INC | | | SCAC4 |
| 9294 | RTN | Raytheon Aircraft Company | Callsign: Raytheon, | USA | AVCODES |
| 9295 | RTN | Raytheon Aircraft Company | | | ICAO1 |
| 9296 | RTNA | REMICK TRANS AMERICA INC | | | SCAC3 |
| 9297 | RTNB | ROTTER TRUCKING | | | SCAC3 |
| 9298 | RTNB | RTRANS | | | SCAC4 |
| 9299 | RTND | REILES TRANSFER & DELIVERY INC | | | SCAC3 |
| 9300 | RTND | REED TRADING LTD | | | SCAC4 |
