| Business | Phone |
| Aai Apex Aerospatial Inc 2075 Rue University, Montreal H3A 2L1 | (514) 844-2739 |
| Apa Airport Planning Assoc 1245 Rue Du Sussex, Montreal H3H 2A1 | (514) 939-2507 |
| Applied Aeronautical Systs Inc 31 Place Upper Trafalgar, Montreal H3H 1T2 | (514) 934-0656 |
| Aps Aviation Inc 1100 Boul Rene-Levesque O #1340, Montreal H3B 4N4 | (514) 878-4388 |
| Aviation Strategies Intl 440 Boul Rene-Levesque O #1120, Montreal H2Z 1V7 | (514) 398-0909 |
| Aviatrans Intl Aviation Inc 1253 Av Mcgill College #195, Montreal H3B 2Y5 | (514) 393-3379 |
| Median Aviation Resources Corp 1751 Rue Richardson, Montreal H3K 1G6 | (514) 846-1662 |