| Agrocentre St-Hyacinthe Inc. | Saint-Hyacinthe | Tout Entreprises et services |
| Agroplus | Montréal | Chemicals |
| Agropur | Saint-Hubert | Cheese |
| Agropur Coopérative | Montréal | Agri-food |
| Agropur Division Fromages et Produits Fonctionnels | Saint-Hubert | Cheese |
| Agropur Divison Fromages Fins | Saint-Hubert | Cheese |
| Agropur Fine Cheese Division | Saint-Hubert | Cheese |
| AGUA Nettoyage Haute Pression | Montréal | Cleaning Services, Cleaning Service |
| Agylis | Du Saint-Sacrement | Information Technologies (IT) |
| Ahearn & Soper Inc. | Montréal | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Aide a domicile-Isabelle | Sainte Julie | Cleaning Services, Cleaning Service |
| Ainés En Mouvement | Saint-Hubert | Associations |
| Air Canada Cargo | Montréal | Airlines |
| Air Création Canada Inc | Saint-Mathieu-De-Beloeil | Aircraft & Flight Schools |
| Air Fortier | Saint-Hubert | Air Conditioning Contractors |
| Air Fusion | Saint-Léonard | Air Conditioning Contractors |
| Air Inuit | Montréal | Airlines |
| Air Mecanic | Saint-Ambroise-De-Kildare | Aircraft Maintenance, Service & Storage |
| Air Métropolitain 2000 | Montréal | Air Conditioning Repair & Cleaning |
| Air Pulsion | Lachenaie | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Air Spécialiste Inc | Saint-Léonard | Air Conditioning Contractors |
| Air Spécialiste Inc | Saint-Léonard | Air Conditioning Contractors |
| Air Transat | Montréal | Airlines |
| Airbnb | Montréal | Information Technologies (IT) |
| Airbrushextreme | Saint-Léonard | Artists |
| Aircam.ca | Saint Jean | Tout Entreprises et services |
| aire commune | Montréal | Tout Bars et restaurants, Tout Entreprises et services, Tout Tourisme et hôtels |
| Aire D3 Inc | Saint-Amable | Asbestos Removal & Abatement |
| Airline Network Services | Dorval | Airlines |
| Airmax Climatisation | Sainte-Catherine | Air Purifiers |
Publicité (Desktop) Publicité (Mobile) |
| 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 |
| Airtechni Inc. | Montréal | Tout Entreprises et services |
| Airtek Ltd-Ltée | Montréal | Abrasives, Tout Entreprises et services |
| Airy3D | Montréal | Information Technologies (IT) |
| AJ Hobbins | Saint-Luc | aj |
| Aj Tardif | Saint-Lambert | aj |
| AJA Construction Inc | Saint-Hubert | Bathroom Renovations |
Publicité (Desktop) Publicité (Mobile) |
| Akilon Technologies Inc | Longueuil | Computer Networking |
| Akzo Nobel Peintures Ltée | Saint-Jerome | Tout Entreprises et services |
| Alaby Joseph Dr | Saint-Lambert | Dentists |
| Alain Esthétique Auto | Montréal | Automobiles, car Dealers |
| Alarme Doven | Saint-Hubert | Tout Entreprises et services |
| Alarmes et Antivols Sécurimax Inc | Saint-Jérôme | Car Alarm Systems |
| ALCiE Integrated Business Solutions | Montréal | Tout Informatique et internet |
| Aldeavision Inc. | Montréal | Tout Entreprises et services |
| ALDO | Saint-Bruno-De-Montarville | Boots |
| Aldo Construction | Montréal | Tout Entreprises et services |
