| 1 | ATB | Atlantair Ltd. | Callsign: Starlite, | CDN | AVCODES |
| 2 | ATB | Atlantair Ltd. | | | ICAO1 |
| 3 | ATB | ATCHINSON BRIDGE CO. | | | PWRC |
| 4 | ATB | Azienda Trasporti Bergamo | City: Bergamo | I | TRAFFIC |
| 5 | ATBA | AUTO TRANSPORTES BLANCO S A DE C V | | | SCAC4 |
| 6 | ATBC | A & H TRUCK BROKERAGE LLC | | | SCAC4 |
| 7 | ATBD | ACROSS THE BOARD INC | | | SCAC3 |
| 8 | ATBD | ACROSS THE BOARD WOODWORKS | | | SCAC4 |
| 9 | ATBE | A T C EXPRESS INC | | | SCAC3 |
| 10 | ATBE | A T C EXPRESS INC | | | SCAC4 |
| 11 | ATBE | Alpha Trains Belgium NV | | BE | VKM |
| 12 | ATBF | ALVAREZ INC | | | SCAC4 |
| 13 | ATBG | ACTION TRUCK BROKERING INC | | | SCAC3 |
| 14 | ATBG | ATHENS STONECASTING INCORPORATED | | | SCAC4 |
| 15 | ATBH | ALANDIA TANKER COMPANY LTD | | | SCAC3 |
| 16 | ATBI | AUTOBUS TURISMOS RAPIDS INC | | | SCAC3 |
| 17 | ATBI | ANTHONYS TRANSPORT BROKER SERVICES | | | SCAC4 |
| 18 | ATBJ | A T BUS CO INC | | | SCAC3 |
| 19 | ATBK | ASSET TRANSPORTATION INC | | | SCAC3 |
| 20 | ATBK | AIROZA TRANSPORTATION BROKERS | | | SCAC4 |
| 21 | ATBL | ALTOBELL TRUCKING CO | | | SCAC3 |
| 22 | ATBM | ASSOCIATED TRANSPORTATION SERVICE I | | | SCAC3 |
| 23 | ATBM | ASSOCIATED TRANSPORTATION SERVICE I | | | SCAC4 |
| 24 | ATBN | ARLT TRUCKING | | | SCAC3 |
| 25 | ATBP | ADAMS TIMBER PRODUCTS INC | | | SCAC4 |
| 26 | ATBQ | ATHENIAN BEAUTY S A | | | SCAC3 |
| 27 | ATBR | AMERICAN TIMBER FRAME STRUCTURES | | | SCAC3 |
| 28 | ATBS | A TOUCH OF CLASS LIMOUSINE SERVICE | | | SCAC3 |
| 29 | ATBS | A TWO (2) B SYSTEMS INC | | | SCAC4 |
| 30 | ATBT | ATC TRANSPORTATION INC | | | SCAC3 |
| 31 | ATBT | AtB Trondheim | Real: AtB | N | TRAFFIC |
| 32 | ATBU | A-TAINER & SERVICE | | D | BIC |
| 33 | ATBU | A-TAINER & SERVICE | | | SCAC4 |
| 34 | ATBV | ATI | | | SCAC3 |
| 35 | ATBV | ATL TRANSPORT INC | | | SCAC4 |
| 36 | ATBW | AMERICAN TRANSPORTATION INC | | | SCAC3 |
| 37 | ATBW | ALLIANCE PRODUCTION | | | SCAC4 |
| 38 | ATBX | Lithcote Corp. | 4/1970 | | NAKINA |
| 39 | ATBX | Lithcote Corp. | Apr-70 | | NRHS |
| 40 | ATBX | LITHCOTE CORP. | | | PWRC |
