| Airmax Climatisation | Sainte-Catherine | Air Purifiers |
| Airmax Environnement | Montréal | Analytical & Testing Laboratories |
| Airmec Climatisation | Longueuil | Air Conditioning Contractors |
| AIRNAV ELECTRONIC | Dorval | Aerospace |
| Airnav Électronique Ltée | Dorval | Tout Entreprises et services |
| 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 |
| Airtech Armstrong | Lasalle | Air Purifiers |
Publicité (Desktop) Publicité (Mobile) |
| 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 |
| Airtrades Transitaires | Dorval | Tout Entreprises et services |
| Airviews | Montréal | Aerial Photographers |
| Airviews - Imageries Aériennes | Montréal | Aerial Photographers |
| Airy3D | Montréal | Information Technologies (IT) |
| Alain Berthiaume CPA Inc | Longueuil | Bookkeeping Software & Accounting Systems |
| Alarme Securi-Tek | Montréal | Car Alarm Systems |
Publicité (Desktop) Publicité (Mobile) |
| Alarmes et Antivols Sécurimax Inc | Saint-Jérôme | Car Alarm Systems |
| Alert Fire Protection - Alert Sprinklers Inc | Châteauguay | Automatic Fire Sprinkler Systems |
| Alert Fire Protection - Alert Sprinklers Inc | Châteauguay | Automatic Fire Sprinkler Systems |
| Alibec Auto Parts Inc | Montréal | Garage Auto |
| Allia Expertise Inc | Saint-Bruno | Bookkeeping Software & Accounting Systems |
| 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) |
| 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 |
| Anderson Accounting | Montréal | Bookkeeping Software & Accounting Systems |
| 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 |
| Apex Aérospatial Inc | Montréal | Aircraft Maintenance, Service & Storage |
| Apollo Appliance Parts | Sainte-Geneviève | Appliance Parts & Supplies |
Publicité (Desktop) Publicité (Mobile) |
| Appareils Electromenagers | Anjou | Appliance Parts & Supplies |
| Appareils Électroménagers 713 | Brossard | Appliance Parts & Supplies |
| Appliance Parts Club | Longueuil | Appliance Parts & Supplies |
| APS Aviation Inc | Montréal | Airlines |
| Aqua Feu Protection Incendie Inc | Laval | Automatic Fire Sprinkler Systems |
| Aqua-Jet | Greenfield Park | Chemical & Pressure Cleaning Systems |
| Aquajet Restauration Inc | Montréal | Tout Entreprises et services, Chemical & Pressure Cleaning Systems |
| Aquaxpert Inc | Greenfield Park | Air Conditioning Contractors |
| Arbrobec Parts Canada Ltd. | Mirabel | Tout Entreprises et services |
| Arvanitis & Fiacco Accounting Services Inc | Dollard Des Ormeaux | Bookkeeping Software & Accounting Systems |
