| 1 | ADU | Airdeal Oy | Callsign: Airdeal, | FIN | AVCODES |
| 2 | ADU | Airdeal Oy | | | ICAO1 |
| 3 | ADUA | A D E AUCTIONEERS & APPRAISERS INC | | | SCAC3 |
| 4 | ADUC | ANDREUCI, M & SONS TRUCKING INC | | | SCAC3 |
| 5 | ADUC | ANDREUCI, M & SONS TRUCKING INC | | | SCAC4 |
| 6 | ADUE | ADVANCE-UNITED EXPRESS WAYS | | | PWRC |
| 7 | ADUK | ANDRULONIS, S ENTERPRISES LLC | | | SCAC4 |
| 8 | ADUL | AUTOBUS DU LITTORAL INC | | | SCAC3 |
| 9 | ADUM | AMERICAN DISTRIBUTION | | | SCAC3 |
| 10 | ADUN | APPLIED DISTRIBUTION SYSTEMS | | | SCAC3 |
| 11 | ADUN | AMAR DISTRIBUTING | | | SCAC4 |
| 12 | ADUO | ADDUONO | | | SCAC4 |
| 13 | ADUP | ALL CANADIAN COURIER CORPORATION | | | SCAC4 |
| 14 | ADUR | ANDERSON, CURTIS R & SON TRUCKING | | | SCAC3 |
| 15 | ADUR | ASIAN DESIGN SOURCING 2007 LTD | | | SCAC4 |
| 16 | ADUS | ADS BUS | | | SCAC3 |
| 17 | ADUS | ANDRUS, FRED | | | SCAC4 |
| 18 | ADUT | ADVENTURE TOURS | | | SCAC3 |
| 19 | ADUV | AMCO DISTRIBUTION SERVICES INC | | | SCAC4 |
