| Aide Inc | Montréal | Care Homes |
| Aide à Domicile O | Montréal | Care Homes |
| AIM | Ahuntsic Et Cartierville | Tout Entreprises et services |
| Air Canada Cargo | Montréal | Airlines |
| Air Pro Transport 2009 | Lachine | Air Cargo Service |
| Aird joallier | Ahuntsic Et Cartierville | Tout Commerces au détail |
| Aja Assurances | Montréal | Car Insurance |
| Al Carriere Extincteur 1991 Ltee | Ste-Rose | Tout Entreprises et services |
| Alain Carle | Montréal | Architectural Technologists |
| Alain Carrosserie | Terrebonne | Auto Body Shop |
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| Alain Colpron | Ahuntsic Et Cartierville | Tout Entreprises et services |
| Alain Esthétique Auto | Montréal | Automobiles, car Dealers |
| Alarme Securi-Tek | Montréal | Car Alarm Systems |
| Alarme Transcanada | Ahuntsic Et Cartierville | Tout Entreprises et services |
| Alarmes et Antivols Sécurimax Inc | Saint-Jérôme | Car Alarm Systems |
| Alaya Care Inc (Alaya Soins Inc) | Laurent | Life Sciences and Health Technologies (LSHT) |
| Alb Industires Ltd | Montréal | Car Repair |
| Alex Mecanique | Montréal | Car Repair |
| Alex Pneu et Mécanique-Alliance Les professionnels Du Pneu | Montréal | Car Repair |
| Alex Pneu et Mécanique-Détaillant Autorisé Michelin | Montréal | Car Repair |
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| Alexander Lewis | Montréal | Car Insurance |
| Algo Design | Laval | Information Technologies (IT) |
| Ali Baba Auto | Laval | Automobiles, car Dealers |
| Ali Ibn Abi Talib School | Ahuntsic Et Cartierville | Tout Enseignement et savoir |
| Alignements Western | Montréal | Car Repair |
| Aliments Cargill (Les) | Chambly | Agri-food |
| Alix Toyota | Montréal | Automobiles, car Dealers |
| Alix Toyota Inc | Montréal | Automobiles, car Dealers |
| All Trees Service Co | Verdun | Car Repair |
| Allard Motor Works Inc | Montréal | Automobiles, car Dealers |
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| Alliance Santé Soutien a Domicile | Longueuil | Care Homes |
| Allie Sante | Montréal | Care Homes |
| Allo-Stop | Montréal | Carpooling & Car Sharing |
| Allstate Assurance: Antonino Scalia | Anjou | Car Insurance |
| Allstate Assurance: David Varano | Montréal | Car Insurance |
| Allstate Assurance: Filomena Galante | Montréal | Car Insurance |
| Allstate Assurance: Jonathan Viau | Saint-Léonard | Car Insurance |
| Allstate Assurance: Joseph Kamal | Montréal | Car Insurance |
| Allstate Assurance: Maria Campanelli | Montréal | Car Insurance |
| Allstate Assurance: Wissam Deir | Montréal | Car Insurance |
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| Aloha Espresso Bar | Montréal | Automobiles, Restaurants |
| Alpha Bêta Carrelage | Montréal | Ceramic Tile Installers & Contractors |
| Alset Cars | Montréal | Automobiles, car Dealers |
| Amenagement Ete-Hiver S.E.N.C | Brossard | Carpet Installers |
| American Airlines Inc | Hartford Conn | Air Cargo Service, Airlines |
| AMG Auto-Mécanique | Montréal | Auto Repair Garages, Not Profit, Car Repair |
| Amir Assurances | Montréal | Car Insurance |
| Amira Auto | Montréal | Automobiles, car Dealers |
| Amore Productions (That's) | Ahuntsic Et Cartierville | Tout Entreprises et services |
| Ana Patricia Cardoso de Souza Podologue | Brossard | Chiropodists |
