| 6201 | TMLP | TOTAL METAL SERVICES LLC | | | SCAC4 |
| 6202 | TMLR | TRANSPORTES MORALES & RIOS | | | SCAC4 |
| 6203 | TMLT | TOMLINSON TRUCKING | | | SCAC4 |
| 6204 | TMLU | EUROTAINER SA | | F | BIC |
| 6205 | TMLU | TAYLOR MINSTER LEASING LTD | | | PWRC |
| 6206 | TMLU | Taylor Minster Leasing Limited | | | RSRV |
| 6207 | TMLU | TAYLOR MINSTER LEASING | | | SCAC4 |
| 6208 | TMLV | TRIANGLE FREIGHT SERVICES LTD | | | SCAC4 |
| 6209 | TMLX | Temco Corp. | added 1/1988; 1/1994; eliminated 10/1996; 7/2000-7/2005 (not listed) | | NAKINA |
| 6210 | TMLX | Temco Corp. | added 1/88; 1/94; eliminated 10/96; 7/2000 | | NRHS |
| 6211 | TMLX | (TMCX) TEMCO CORPORATION | | | PWRC |
| 6212 | TMLX | Temco Corporation | | | RSRV |
| 6213 | TMLY | TASMAN LOGISTICS INC | | | SCAC4 |
| 6214 | TMLZ | SEABOARD MARINE LTD. | | | PWRC |
| 6215 | TMLZ | Seaboard Marine Limited | | | RSRV |
| 6216 | TMLZ | SEABOARD MARINE LTD. | | | SCAC4 |
| 6217 | TMM | Traffic Management Corporation (TMC) Airlines | Callsign: Willow Run, | USA | AVCODES |
| 6218 | TMM | TMC Airlines | | | ICAO1 |
| 6219 | TMMA | TAPIA MENDOZA, ARIEL | | | SCAC4 |
| 6220 | TMMB | TRANSPORT ST-MICHEL INC | | | SCAC4 |
| 6221 | TMMC | TOBLES MILLS & MISSION CREEK RAILROAD | | | PWRC |
| 6222 | TMMD | TRANSPORTACION MARITIMA MEXICANA S | | | SCAC4 |
| 6223 | TMME | TRAMP MARITIME ENTERPRISES LTD | | | SCAC4 |
| 6224 | TMMF | TRIMAR MACHINE INC | | | SCAC4 |
| 6225 | TMMG | TIME MACHINES MOTORSPORTS LLC | | | SCAC4 |
| 6226 | TMMI | TRANSPORT MARCEL MORIN INC | | | SCAC4 |
| 6227 | TMMJ | TRANSMART | | | SCAC4 |
| 6228 | TMML | TIMMLINE BUILDING PRODUCTS INC | | | SCAC4 |
| 6229 | TMMM | TRIPLE M TRANSPORTATION & | | | SCAC4 |
| 6230 | TMMN | TRIMASTER MANUFACTURING INC | | | SCAC4 |
| 6231 | TMMP | TECATE METAL MANUFACTURING | | | SCAC4 |
| 6232 | TMMR | TRANSPORTES MATAMOROS GOPASA | | | SCAC4 |
| 6233 | TMMS | TRANSPORTES MUNOZ | | | SCAC4 |
| 6234 | TMMU | HAPAG LLOYD A.G | | D | BIC |
| 6235 | TMMU | TRANSPORTACION MARITIMA MEXICANA, SA | | | PWRC |
| 6236 | TMMU | Transportacion Maritima Mexicana SA | | | RSRV |
| 6237 | TMMU | TRANSPORTACION MARITIMA MEXICANA | | | SCAC1 |
| 6238 | TMMU | CP SHIPS | | | SCAC4 |
| 6239 | TMMV | TIMMERMA | | | SCAC4 |
| 6240 | TMMW | TWO M | | | SCAC4 |
| 6241 | TMMX | TMM Logistics, S.A. de C.V. | 7/2005 (not listed) | | NAKINA |
| 6242 | TMMX | TMM LOGISTICS SA DE CV | | | PWRC |
| 6243 | TMMX | TMM Logistics | | | RSRV |
| 6244 | TMMX | TMM LOGISTICS SA DE CV | | | SCAC4 |
| 6245 | TMMZ | TMM Logistics | | | RSRV |
| 6246 | TMMZ | TMM LOGISTICS SA DE CV | | | SCAC4 |
| 6247 | TMN | Tyumen Airlines | IATA: 7M, IATA Prefix: 691, IATA designator changed to P2 | RUS | AVCODES |
| 6248 | TMN | Tyumenavyatrans Aviation Joint-Stock Company | IATA: P2, Callsign: Tjumavi, IATA Prefix: 298, Name changed from Joint Stock Air Carrier Company Tjumenaviatrans. IATA designator changed from 7M | RUS | AVCODES |
| 6249 | TMN | Joint Stock Air Carrier Company Tjumenaviatrans | IATA: P2, Callsign: Tjumavi, Name changed to Tyumenavyatrans Aviation Joint-Stock Company. IATA designator changed from 7M | RUS | AVCODES |
| 6250 | TMN | Tyumenaviatrans Joint Stock Air Carrier Company | IATA: P2, Name changed to Tyumenavyatrans Aviation Joint-Stock Company | RUS | AVCODES |
| 6251 | TMN | Utair Aviation Joint-Stock Company | IATA: P2, Callsign: Tjumavi, IATA Prefix: 298, IATA desigantor changed to UT. Name changed from Tyumenavyatrans Aviation Joint-Stock Company. Name changed from Joint Stock Air Carrier Company Tjumenaviatrans | RUS | AVCODES |
| 6252 | TMN | Utair Aviation Joint-Stock Company | IATA: UT, Callsign: Tjumavi, IATA Prefix: 298, IATA desigantor changed from P2. ICAO desigantor changed to UTA. Name changed from Tyumenavyatrans Aviation Joint-Stock Company. Name changed from Joint Stock Air Carrier Company Tjumenaviatrans | RUS | AVCODES |
| 6253 | TMN | Tasman Cargo Airlines Pty Ltd | IATA: HJ, Callsign: Freightexpress, ICAO designator changed from AXF. Name changed from Asian Express Airlines Pty Limited | AUS | AVCODES |
| 6254 | TMNA | TRANSPORT MAXAN INC | | | SCAC4 |
| 6255 | TMNC | THAI MARITIME NAVIGATION CO. | | | SCAC1 |
| 6256 | TMNC | TRANSPORT MTL INC | | | SCAC4 |
| 6257 | TMNE | T & M MARINE INC | | | SCAC4 |
| 6258 | TMNG | TRANSPORTES MEDINA | | | SCAC4 |
| 6259 | TMNH | TERMINEL | | | SCAC4 |
| 6260 | TMNI | TRANSPORT MILAN EXPRESS INC | | | SCAC4 |
| 6261 | TMNJ | TRANS MANAGEMENT SYSTEMS OF NJ INC | | | SCAC4 |
| 6262 | TMNL | TIMOR NAVIGATION LTD | | | SCAC4 |
| 6263 | TMNM | TWO M (2M) CONSTRUCTION SERVICES | | | SCAC4 |
| 6264 | TMNO | TRANSPORTES MUNOZ | | | SCAC4 |
| 6265 | TMNQ | TRANSPORTES A MENA | | | SCAC4 |
| 6266 | TMNS | TIMMONS, K D INC | | | SCAC4 |
| 6267 | TMNU | TRANSMARES NAVIERA CHILEAN LIMITADA | | | SCAC4 |
| 6268 | TMNV | TMC LOGISTICS | | | SCAC4 |
| 6269 | TMNX | TROLLEY MUSEUM OF NEW YORK | | | PWRC |
| 6270 | TMO | COPAC RAIL [CONTINENTAL PACIFIC RWY.; VITEBSK SEAWAY & CONTINENTAL RWY.] | | | PWRC |
| 6271 | TMO | Vitebsk Seaway and Continental Railway (Lincoln Pacific Railway) | | | RSRV |
| 6272 | TMOC | TRANSPORTES MOCTEZUMA | | | SCAC4 |
| 6273 | TMOD | TRI-MODAL DISTRIBUTION SERVICES, INC | | | SCAC1 |
| 6274 | TMOD | TRI-MODAL DISTRIBUTION SERVICES INC | | | SCAC4 |
| 6275 | TMOE | TRANSPORTES MONTES | | | SCAC4 |
| 6276 | TMOF | TRADITIONAL MARINE OUTFITTERS | | | SCAC4 |
| 6277 | TMOI | TOMCO INC | | | SCAC4 |
| 6278 | TMOL | TRANSPORTES MOLINA | | | SCAC4 |
| 6279 | TMOM | THOMAS OIL COMPANY INC | | | SCAC4 |
| 6280 | TMON | TRANSMONDE 2000 INC | | | SCAC4 |
| 6281 | TMOR | TRANSPORT MORNEAU INC | | | SCAC4 |
| 6282 | TMOS | TRANSPORTES MONROY SCHIAVON SA DE C | | | SCAC4 |
| 6283 | TMOT | TURNER MOTORSPORT | | | SCAC4 |
| 6284 | TMOV | THORNTON MOVING & STORAGE | | | SCAC4 |
| 6285 | TMOX | Textiles Monterrey, S.A. | 1/1950-7/1954; eliminated 1/1956 | | NAKINA |
| 6286 | TMOX | Textiles Monterrey, S.A. | Jan-52 | | NRHS |
| 6287 | TMOX | TEXTILES MONTERREY, SA | | | PWRC |
| 6288 | TMOY | TRANSPORTES MONTEBLANCO | | | SCAC4 |
| 6289 | TMP | Arizona Express Airlines, Inc. | IATA: K7, Callsign: Tempe, | USA | AVCODES |
| 6290 | TMP | Arizona Express Airlines | | | ICAO1 |
| 6291 | TMPB | TAMPA BAY LOGISTICS INC | | | SCAC4 |
| 6292 | TMPC | TRANSPORT CMP | | | SCAC4 |
| 6293 | TMPG | THOMPSON TRUCKING INC | | | SCAC4 |
| 6294 | TMPH | TIMPSON TRANSPORT INC | | | SCAC4 |
| 6295 | TMPJ | TIMS SPOTTING SERVICE INC | | | SCAC4 |
| 6296 | TMPN | TEMP-CONTROL TRANSPORT INC | | | SCAC4 |
| 6297 | TMPO | TECHNO METAL POST OF NEW YORK INC | | | SCAC4 |
| 6298 | TMPP | TRUMP TRANSPORT | | | SCAC4 |
| 6299 | TMPQ | TECHNOMETAL POST OF CONNECTICUT | | | SCAC4 |
| 6300 | TMPR | TRANSPORT MP | | | SCAC4 |
