| Acupuncteur Louis Lafrenière | Carignan | Acupuncturists |
| Acupuncteure Caroline Yoo | Montréal | Acupuncturists |
| Acupuncture Karine Bazinet | Carignan | Acupuncturists |
| Acupuncture Zen & Self-Care | Brossard | Acupuncturists |
| Ad Auto | Montréal | Automobiles, car Dealers |
| ADI Global Distribution | Lachine | Tout Entreprises et services |
| Adl Esthétique Automobile | Delson | Car Detailing |
| ADM Canada | Lachine | Tout Entreprises et services |
| Adonis | Montréal | Automobiles, Bakery Equipment, Bakery Supplies, Grocery Stores |
| Aegon Dealer Services Inc - Eastern Office | Montréal | Automobiles, car Dealers, Car Dealers |
Publicité (Desktop) Publicité (Mobile) |
| AES Chemunex Canada | Laval | Life Sciences and Health Technologies (LSHT) |
| Affiliated Sport Group | Lachine | Tout Entreprises et services |
| Afmerica Technologie Inc | Châteauguay | Carbon Products |
| Agence Imapro Inc | Lachine | Business & Trade Organizations |
| Agence Privée ParaSanté | Montréal | Care Homes |
| Agence TOPO | Montréal | Tout Arts et divertissement |
| Agent Par Courriel | Montréal | Car Insurance |
| Agotech | Laval | Car Alarm Systems |
| Ahuntsic Auto Centre Inc | Montréal | Car Repair |
| Ahuntsic Cartierville Culture Sports Récreation Libraries Ahuntsic | Montréal | Not Profit, library |
Publicité (Desktop) Publicité (Mobile) |
| AIDA Distribution | Lachine | Beverage Distributors & Bottlers |
| 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 |
Publicité (Desktop) Publicité (Mobile) |
| Alain Carrosserie | Terrebonne | Auto Body Shop |
| Alain Colpron | Ahuntsic Et Cartierville | Tout Entreprises et services |
| Alain Esthétique Auto | Montréal | Automobiles, car Dealers |
| Alain Normandin Rénovation | Lachine | Home Improvement |
| 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 |
Publicité (Desktop) Publicité (Mobile) |
| Alex Pneu et Mécanique-Alliance Les professionnels Du Pneu | Montréal | Car Repair |
| Alex Pneu et Mécanique-Détaillant Autorisé Michelin | Montréal | Car Repair |
| 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 |
| Aliments Morehouse Canada Inc | Lachine | Agri-food |
| Aliments T & N (Les) | Lachine | Agri-food |
