| 40 Westt | Pointe-Claire | Tout Bars et restaurants |
| 9032-2253 Québec Inc | Pointe-Aux-Trembles | Aluminum |
| A & R Fourniture Inc | Pointe-Aux-Trembles | Appliance Repair |
| A A et Fils | Montréal | Flooring |
| A B X Télécommunication | Verdun | Cable Installation, Splicing & Detection |
| A B X Télécommunications | Verdun | Cable Installation, Splicing & Detection |
| A Ct | Pointe-Calumet | ct |
| A Decor Flooring Rosemont | Montréal | Flooring |
| A E M Q Association des Entrepreneurs en Maçonnerie du Québec | Pointe-Aux-Trembles | Association Management |
| A Planchers Décor West-Island | Montréal | Flooring |
Publicité (Desktop) Publicité (Mobile) |
| A-1 Sablage de Planchers Inc | Montréal | Flooring |
| A. Landry Peintre A. Landry, Rénovation | Saint-Léonard | Flooring |
| A.B.C Sols Inc. | Montréal | Flooring |
| Ab Mcmahon | Pointe-Claire | ab |
| Abc | Mont-Royal | Cable TV Providers |
| ABC Sablage Richard | Montréal | Flooring |
| ABC Sablage Richard | Montréal | Flooring |
| ABEONA SYSTEMS INC. | Montréal | Life Sciences and Health Technologies (LSHT) |
| ABP | Montréal | Tout Commerces au détail, Tout Entreprises et services |
| ACRoyal | Saint-Léonard | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| ACSP-Québec | Montréal | Tout Entreprises et services |
| Action Santé De Pointe St-Charles | Montréal | Health Services |
| Action Scuba | Pointe-Claire | Tout Commerces au détail |
| Action-Gardien | Pointe-Saint-Charles | Tout Informations générales |
| Acupuncteure Claire Lamarche | Drummondville | Acupuncturists |
| Adapta Space | Pointe-Claire | Computer Accessories & Supplies |
| ADD CANADA COMPANY | Pointe-Claire | Information Technologies (IT) |
| Adhesifs Forbo (Canada) Ltée | Pointe-Claire | Tout Entreprises et services |
| Adler H | Montréal | Flooring |
| Aerofil | Pointe-Claire | Life Sciences and Health Technologies (LSHT) |
Publicité (Desktop) Publicité (Mobile) |
| AERONAV NAVIGATION INTERNATIONAL | Pointe-Claire | Aerospace |
| AEROSPHERE | Pointe-Claire | Aerospace |
| Aerus | Pointe-Claire | Central Vacuum Systems |
| Aesthetique Tallie Inc | Pointe-Claire | Beauty & Fitness, Hairdressers & Beauty Salons |
| Aesus Systems, Inc. | Pointe-Claire | Tout Entreprises et services |
| Ag Qureshi | Pointe-Claire | ag |
| AG3 Sécurité | Pointe-Saint-Charles | Tout Entreprises et services |
| Agences Sdr Agencies Inc | Montréal | Flooring |
| Ah!Com | Brossard | Cable TV Providers |
| AirScience | Pointe-Saint-Charles | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| AkioSoft | Ouest | Life Sciences and Health Technologies (LSHT) |
| Albuca | Pointe-Claire | Life Sciences and Health Technologies (LSHT) |
| Alerte fissure inc. | Montréal | Tout Entreprises et services |
| Alias Informatique | Lemoyne | Computer Cabling, Installation & Service |
| Aliments Cell Inc. | Pointe-Claire | Agri-food |
| Aliments Ed Foods Inc. | Pointe-Claire | Agri-food |
| Aliments LUDA | Pointe-Claire | Tout Entreprises et services |
| Aliments Noble Inc. | Pointe-Claire | Agri-food |
| Allard Plancher | Montréal | Flooring |
| Allez-Up | Pointe-Saint-Charles | Tout Commerces au détail |
