| 1 | ADD | Adastra Aviation | Callsign: Adastra, | CDN | AVCODES |
| 2 | ADD | Advanced Air Co. Ltd. | | J | AVCODES |
| 3 | ADD | Advanced Air Co. | | | ICAO1 |
| 4 | ADDA | ALADDIN FUEL SERVICE INC | | | SCAC4 |
| 5 | ADDB | ADJER DISTRIBUTION SYSTEM INC | | | SCAC3 |
| 6 | ADDD | A D D TRUCKING INC | | | SCAC4 |
| 7 | ADDF | AAA DEPENDABLE FREIGHT INC | | | SCAC4 |
| 8 | ADDG | ATLANTIC DOMINION DISTRIBUTORS | | | SCAC4 |
| 9 | ADDJ | ALADDIN PETROLEUM CORP | | | SCAC4 |
| 10 | ADDK | ADIRONDACK SHIPPING CORP OF MONROVI | | | SCAC3 |
| 11 | ADDL | ANDERSON, DALE L | | | SCAC4 |
| 12 | ADDM | ADDISONS MOVING & STORAGE COMPANY | | | SCAC3 |
| 13 | ADDN | ALADDIN, A MOVING & STORAGE COMPANY | | | SCAC3 |
| 14 | ADDO | ADAMS, DON OIL CO INC | | | SCAC4 |
| 15 | ADDP | ALADDIN TRANSPORTATION AND WAREHOUS | | | SCAC4 |
| 16 | ADDQ | ANDERSON, DONAL C | | | SCAC3 |
| 17 | ADDR | ALADDIN TRAVEL | | | SCAC3 |
| 18 | ADDR | AGUILAS DEL DESIERTO DE BAJA CALIFO | | | SCAC4 |
| 19 | ADDT | ADD DISTRIBUTION INC | | | SCAC4 |
| 20 | ADDU | ADDED LOGISTICS N V | | | SCAC4 |
| 21 | ADDV | ANDYS DELIVERY SERVICE | | | SCAC3 |
| 22 | ADDW | ANDRUS, DAVID W TRUCKING | | | SCAC3 |
| 23 | ADDW | ANDREW TELECOMMUNICATIONS DE REYNOS | | | SCAC4 |
| 24 | ADDY | ADDY TRUCKING | | | SCAC3 |
| 25 | ADDY | AGENCIA ADVANAL IBARROLA ELIAS S C | | | SCAC4 |
