| 6101 | TMGP | TIME GROUP, THE | | | SCAC4 |
| 6102 | TMGU | TRANSPORTACION MARITIMA GRANCOLOMBIANA | | | SCAC1 |
| 6103 | TMGU | TRANSPORT MARITIMA GRANCOLOMBIANA | | | SCAC4 |
| 6104 | TMGV | TMT LONGHAUL | | | SCAC4 |
| 6105 | TMGX | Transporte Multimodal de Granos | 1/1994-7/2005 (not listed) | | NAKINA |
| 6106 | TMGX | Transporte Multimodal de Granos | 1/94-7/2000 | | NRHS |
| 6107 | TMGX | (TRLX) TRANSPORTE MULTIMODAL DE GRANOS | | | PWRC |
| 6108 | TMGX | Transporte Multimodal de Granos | | | RSRV |
| 6109 | TMGX | TEXAS RAILCAR LEASING COMPANY | | | SCAC4 |
| 6110 | TMGY | TALLMAN CONTRACTING INC | | | SCAC4 |
| 6111 | TMH | Transmanche Aviation | Callsign: Transmanche, | F | AVCODES |
| 6112 | TMH | Taxis Turisticos Marakame | | | ICAO1 |
| 6113 | TMHA | TIGER MATERIAL HANDLING INC | | | SCAC4 |
| 6114 | TMHD | TAM-LINHAS AEREAS S A | | | SCAC4 |
| 6115 | TMHE | TRANSPORTES MONTERREY HERMOSILLO S | | | SCAC4 |
| 6116 | TMHG | TRANSPORT M & H GENDRON LTD | | | SCAC4 |
| 6117 | TMHI | TRANSPORT MARCHESSAULT INC | | | SCAC4 |
| 6118 | TMHK | TRANSPORT M HARIS INC | | | SCAC4 |
| 6119 | TMHL | TEAM HOLLIE TRANSPORT | | | SCAC4 |
| 6120 | TMHM | TRANSPORTES MACS | | | SCAC4 |
| 6121 | TMHN | THURSTON MACHINE CO LTD | | | SCAC4 |
| 6122 | TMHO | TRANSPORTES MENDOZA HERMANOS S A DE | | | SCAC4 |
| 6123 | TMHS | TOMS, STEVE | | | SCAC4 |
| 6124 | TMHT | TOMAHAWK TRUCKING, INC | | | SCAC1 |
| 6125 | TMHT | TOMAHAWK TRUCKING INC | | | SCAC4 |
| 6126 | TMHU | TRIMODAL EUROPE B.V | | NL | BIC |
| 6127 | TMHU | TRIMODAL EUROPE B V | | | SCAC4 |
| 6128 | TMHZ | GE INTERMODAL INC | | | SCAC4 |
| 6129 | TMI | Tamir Airways | Callsign: Tamirways, | IL | AVCODES |
| 6130 | TMI | Tamir Airways | | | ICAO1 |
| 6131 | TMIA | TRANSPORTES SIS MERCANTILES | | | SCAC4 |
| 6132 | TMIC | TRANSPORT MICHEL RONDEAU INC | | | SCAC4 |
| 6133 | TMID | TRANSIT MD INC | | | SCAC4 |
| 6134 | TMIE | TEAMREP LOGISTIQUE INTERNATIONAL IN | | | SCAC4 |
| 6135 | TMIF | TRANSPORT M B INTERNATIONAL INC | | | SCAC4 |
| 6136 | TMIG | TRANSPORTES MIGANO | | | SCAC4 |
| 6137 | TMIH | TRIPLE M INC | | | SCAC4 |
| 6138 | TMII | TMS INTERMODAL INC | | | SCAC4 |
| 6139 | TMIJ | TMI | | | SCAC4 |
| 6140 | TMIL | TMI OCEAN LINE B V | | | SCAC4 |
| 6141 | TMIM | TRANSPORTES DEL MILLENIUM SA DE CV | | | SCAC4 |
| 6142 | TMIP | TAMCO INTERPRISES | | | SCAC4 |
| 6143 | TMIU | TRIFLEET LEASING HOLDING B.V. | | NL | BIC |
| 6144 | TMIU | TRIFLEET LEASING (THE NETHERLANDS) | | | SCAC4 |
| 6145 | TMIX | TransMatrix, Inc. | added 4/1989; 1/1994-7/2000; eliminated 1/2004; 7/2005 (not listed) | | NAKINA |
| 6146 | TMIX | TransMatrix, Inc. | added 4/89; 1/94-7/2000 | | NRHS |
| 6147 | TMIX | TRANSMATRIX, INC. | | | PWRC |
| 6148 | TMIX | TransMatrix | | | RSRV |
| 6149 | TMIX | TRANSMATRIX INC | | | SCAC4 |
| 6150 | TMIY | TRANSPORTES MIRAMAR | | | SCAC4 |
| 6151 | TMIZ | TILDEN MINE | | | PWRC |
| 6152 | TMJB | TIME LOGISTICS INC | | | SCAC4 |
| 6153 | TMJC | TRANSPORTES MOJICA | | | SCAC4 |
| 6154 | TMJE | T M J ENR | | | SCAC4 |
| 6155 | TMJF | THREE M LOGISTICS INC | | | SCAC4 |
| 6156 | TMJH | T M T TRUCKING | | | SCAC4 |
| 6157 | TMJL | TRENDSETTERS METALS LLC | | | SCAC4 |
| 6158 | TMJM | TART, MARCUS REED | | | SCAC4 |
| 6159 | TMJN | TRANSPORT MAJYC INTERNATIONAL INC | | | SCAC4 |
| 6160 | TMJO | TRANSPORTES MORENO | | | SCAC4 |
| 6161 | TMJP | TRANSPORT MAXI JP NC | | | SCAC4 |
| 6162 | TMJR | TEAM MOORE RACING LLC | | | SCAC4 |
| 6163 | TMJS | TRANSPORTES M J SA DE CV | | | SCAC4 |
| 6164 | TMJT | TJT | | | SCAC4 |
| 6165 | TMJY | TRANSPORTES MAVERYK | | | SCAC4 |
| 6166 | TMK | Tomahawk Airways, Inc. | Callsign: Tomahawk, | USA | AVCODES |
| 6167 | TMK | TMK Air Commuter | Ceased operations on 31 August 2011. | ZRE | AVCODES |
| 6168 | TMK | Tomahawk Airways | | | ICAO1 |
| 6169 | TMK | TMK - RESITA S.A. | | RO | VKM |
| 6170 | TMKA | TUMALO CREEK TRANSPORTATION LLC | | | SCAC4 |
| 6171 | TMKA | TMK-ARTROM SA | | RO | VKM |
| 6172 | TMKD | TRADEMARK OIL LTD | | | SCAC4 |
| 6173 | TMKH | TOMPKINS HARDWARE LIMITED | | | SCAC4 |
| 6174 | TMKI | TRANS MARK INC | | | SCAC4 |
| 6175 | TMKJ | TOMLIN TRUCKING LLC | | | SCAC4 |
| 6176 | TMKK | TEAM TRUCKING INC | | | SCAC4 |
| 6177 | TMKL | T-MAC TRUCKING | | | SCAC4 |
| 6178 | TMKM | TRADEMARK METALS RECYCLING LLC | | | SCAC4 |
| 6179 | TMKO | T AND M TRUCKING INC | | | SCAC4 |
| 6180 | TMKP | TOMKEN TRANSPORTATION | | | SCAC4 |
| 6181 | TMKS | TRADEMARK TRANSPORT INC | | | SCAC4 |
| 6182 | TMKU | ES AT-ABRAY | | TM | BIC |
| 6183 | TMKV | TRIPLE M TRUCKING LLC | | | SCAC4 |
| 6184 | TMKW | TAYLOR & MESSICK INC | | | SCAC4 |
| 6185 | TMKY | TAMPA CONTAINER TRANSPORT LLC | | | SCAC4 |
| 6186 | TMKZ | TRANSPORT INTERNATIONAL POOL INCORPORATED | | | PWRC |
| 6187 | TMKZ | Transport International Pool | | | RSRV |
| 6188 | TML | Transports et Travaux Aériens de Madagascar | IATA: OF, Callsign: Tam Airline, | RM | AVCODES |
| 6189 | TML | TAM | | | ICAO1 |
| 6190 | TMLC | TEXMECANA LOGISTICS LLC | | | SCAC4 |
| 6191 | TMLF | TERMINAL FREIGHT SYSTEMS INC | | | SCAC4 |
| 6192 | TMLH | TRANSAMERICA LOGISTIC INC | | | SCAC4 |
| 6193 | TMLI | TRANSPORT M LECLERC INC | | | SCAC4 |
| 6194 | TMLJ | TMC INC | | | SCAC4 |
| 6195 | TMLL | TOWANDA-MONROETON SHIPPERS LIFELINE, INC. | | | PWRC |
| 6196 | TMLL | TILES & MORE LLC | | | SCAC4 |
| 6197 | TMLM | TRUCKMASTER LOGISTICS SYSTEMS INC | | | SCAC4 |
| 6198 | TMLN | TEAM LOGISTICS INC | | | SCAC4 |
| 6199 | TMLO | TRANSPORT M L N OUELLET INC | | | SCAC4 |
| 6200 | TMLP | TRANSMARINE ALABAMA, INC. | | | SCAC1 |
