| Airomax | Longueuil | Tout Entreprises et services |
| Airpro Confort inc. | Saint-Hubert | Air Conditioning Contractors |
| Airpure Shop | Montréal | Air Conditioning Contractors |
| AirScience | Pointe-Saint-Charles | Tout Entreprises et services |
| Airtec Contrôle | Saint-Hubert | Air Conditioning Systems & Parts |
| Airtech Armstrong | Lasalle | Air Purifiers |
| Airtechni Inc. | Montréal | Tout Entreprises et services |
| Airteck Propulsion | Longueuil | Air Conditioning Contractors |
| Airtek Ltd-Ltée | Montréal | Abrasives, Tout Entreprises et services |
| Airtop-Ventilation | Montréal | Cleaning Services, Cleaning Service |
Publicité (Desktop) Publicité (Mobile) |
| Airtrades Transitaires | Dorval | Tout Entreprises et services |
| Airviews | Montréal | Aerial Photographers |
| Airviews - Imageries Aériennes | Montréal | Aerial Photographers |
| Airy3D | Montréal | Information Technologies (IT) |
| ALDO Accessoires | Montréal | Air Conditioning Systems & Parts |
| Altitude Aerospace Inc | Montréal | Aircraft Maintenance, Service & Storage |
| Altitude Aerospace Inc | Montréal | Aircraft Maintenance, Service & Storage |
| Amc Canada | Montréal | Airlines |
| American Airlines | Dorval | Airlines |
| American Airlines Inc | Hartford Conn | Air Cargo Service, Airlines |
Publicité (Desktop) Publicité (Mobile) |
| AMM mécanique mobile | Montréal | HVAC |
| AMP Réfrigération | Saint-Jean | Air Conditioning Contractors |
| AMPHENOL AIR LB NORTH AMERICA INC. | Saint-Hubert | Aerospace |
| Amphenol Air LB North America, Inc | Brossard | Tout Entreprises et services |
| André Lemieux Climatisation | Brossard | Air Conditioning Contractors |
| Ang Heating Products Inc | Montréal | Air Conditioning Contractors |
| Angel Climatisation Inc | Pierrefonds | Air Purifiers |
| Anjuna Airline Solutions-Canada | Montréal | Airlines |
| Annexair Inc | Montréal | Air Conditioning Systems & Parts |
| Apex Aérospatial Inc | Montréal | Aircraft Maintenance, Service & Storage |
Publicité (Desktop) Publicité (Mobile) |
| APS Aviation Inc | Montréal | Airlines |
| Aquaxpert Inc | Greenfield Park | Air Conditioning Contractors |
| ASM MOTOSPORT | Saint-Jean-Sur-Richelieu | Aircraft & Flight Schools |
| Association des scouts du Canada | Villeray | Tout Arts et divertissement, Tout Communautés et société |
| Association pour l'air pur (ALAP) | Verchères | Tout Communautés et société |
| Atd Design & Manufacturing Services Inc. | Montréal | Aircraft Parts, Engines & Avionics |
| Ateliers Mobiles Paul Grondin (1969) Inc. | Montréal | HVAC |
| Ats | Montréal | Air Cargo Service |
| Auto Mécanique | Montréal | HVAC |
| Autologicpro Garage Porsche - BMW - Mercedes - Changement de pneu Blainville | Blainville | HVAC |
Publicité (Desktop) Publicité (Mobile) |
| Aviall Canada Ltd | Boisbriand | Aircraft Parts, Engines & Avionics |
| Aviation B L Inc | Brossard | Aircraft & Flight Schools |
| Aviation Led | Montréal | Aircraft Maintenance, Service & Storage |
| Aviation Zenith | Saint-Hubert | Aircraft Parts, Engines & Avionics |
| Avior Integrated Products Inc | Laval | Aircraft Parts, Engines & Avionics |
| Avsup Aviation Support | Sainte-Thérèse | Airlines |
| Aéro Portail | Montréal | Airlines |
| Aéro-Mag 2000 Inc | Lachine | Aircraft Maintenance, Service & Storage |
| Aéroclub De Montréal | Saint-Hubert | Aircraft & Flight Schools |
| Aéroport De St Hubert | Saint-Hubert | Airports |
