| 1 | CTD | Servicios Aereos Castaneda, S.A. de C.V. | Callsign: Castaneda, | MEX | AVCODES |
| 2 | CTD | Aerocorporativos, S.A. de C.V. | Callsign: Aerocorporativos, | MEX | AVCODES |
| 3 | CTD | PENN CENTRAL [CHERRY TREE & DIXONVILLE RR] | | | PWRC |
| 4 | CTD | Captrain Deutschland GmbH | | DE | VKM |
| 5 | CTDA | CHRISTOPHER, DARREN | | | SCAC3 |
| 6 | CTDA | C & T EXPRESS | | | SCAC4 |
| 7 | CTDC | CENTRAL TRANSFER AND DISTRIBUTION C | | | SCAC3 |
| 8 | CTDD | COMMERCIAL TRANSPORT DIV OF DANS OF | | | SCAC3 |
| 9 | CTDD | COMMERCIAL TRANSPORATION INC (DEDIC | | | SCAC4 |
| 10 | CTDE | CHATHAM, NORMA | | | SCAC3 |
| 11 | CTDE | CONTINTENTAL TOOL ADN DIE INC | | | SCAC4 |
| 12 | CTDF | COMMERCIAL TRADING & DISCOUNT CO LT | | | SCAC3 |
| 13 | CTDF | CONFIDENC TOOL & DESIGN INC | | | SCAC4 |
| 14 | CTDG | CTSH LLC | | | SCAC4 |
| 15 | CTDH | CIRCLE TRANSPORTATION INC | | | SCAC3 |
| 16 | CTDH | C AND T DURHAM TRUCKING | | | SCAC4 |
| 17 | CTDI | CONTROLLED DISTRIBUTION SERVICES | | | SCAC3 |
| 18 | CTDJ | CARDENAS TRUCKING INC | | | SCAC4 |
| 19 | CTDK | C A T TRANSPORT INC. | | | SCAC3 |
| 20 | CTDK | CHOKRI TRANSPORTATION SERVICE | | | SCAC4 |
| 21 | CTDL | CHRISTIAN TOURS | | | SCAC3 |
| 22 | CTDM | C T D TRANSPORT INC | | | SCAC3 |
| 23 | CTDM | COIL TRAN DE MEXICO S A DE C V | | | SCAC4 |
| 24 | CTDN | CLASSIC TRANSPORTATION INC | | | SCAC3 |
| 25 | CTDN | COMPANIA TRANSPORTISTA DEL NORTE DE | | | SCAC4 |
| 26 | CTDO | CONNECTICUT DELIVERY SERVICE | | | SCAC3 |
| 27 | CTDP | CONTROLLED TRANSPORT SYSTEM, INC | | | SCAC3 |
| 28 | CTDQ | CHERTUDI TRUCK LINE | | | SCAC3 |
| 29 | CTDR | COTNER TRANSPORT INC | | | SCAC4 |
| 30 | CTDS | COURTESY DELIVERY SERVICE | | | SCAC3 |
| 31 | CTDS | CROSSTOWN DELIVERY SERVICE INC | | | SCAC4 |
| 32 | CTDT | CERTIFIED TRANSPORTATION CO INC | | | SCAC3 |
| 33 | CTDU | CONTRADE SHIPPING & TRANSPORT S.A. | | GR | BIC |
| 34 | CTDU | BAW CONTANK | | | SCAC3 |
| 35 | CTDV | BLT TRANSPORTATION SERVICES | | | SCAC3 |
| 36 | CTDV | CATE DELIVERY SERVICE INC | | | SCAC4 |
| 37 | CTDW | COASTAL TRANSPORTATION | | | SCAC3 |
| 38 | CTDW | CLARK TRAVEL | | | SCAC4 |
