| 40 Westt | Pointe-Claire | Tout Bars et restaurants |
| 9032-2253 Québec Inc | Pointe-Aux-Trembles | Aluminum |
| 9132-1000 Québec Inc | Lachine | Business & Trade Organizations |
| A & R Fourniture Inc | Pointe-Aux-Trembles | Appliance Repair |
| A Ct | Pointe-Calumet | ct |
| A E M Q Association des Entrepreneurs en Maçonnerie du Québec | Pointe-Aux-Trembles | Association Management |
| A S T Inc | Montréal | Business & Trade Organizations |
| A+Quick Socal Media Business | Montréal | Advertising Agencies |
| Ab Mcmahon | Pointe-Claire | ab |
| ABEONA SYSTEMS INC. | Montréal | Life Sciences and Health Technologies (LSHT) |
Publicité (Desktop) Publicité (Mobile) |
| ABP | Montréal | Tout Commerces au détail, Tout Entreprises et services |
| ACI World | Montréal | Airports |
| ACSP-Québec | Montréal | Tout Entreprises et services |
| Action Graphix Longueil | Longueuil | Business Centres |
| 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 |
| Active Business & Realty Inc | Mont-Royal | Business Brokers |
| Acupuncteure Claire Lamarche | Drummondville | Acupuncturists |
| Adapta Space | Pointe-Claire | Computer Accessories & Supplies |
Publicité (Desktop) Publicité (Mobile) |
| ADD CANADA COMPANY | Pointe-Claire | Information Technologies (IT) |
| Adelson Et Associés | Montréal | Business Insurance |
| Adhesifs Forbo (Canada) Ltée | Pointe-Claire | Tout Entreprises et services |
| Advanced Business Analytics Inc. | Montréal | Physiotherapy |
| Aerofil | Pointe-Claire | Life Sciences and Health Technologies (LSHT) |
| AERONAV NAVIGATION INTERNATIONAL | Pointe-Claire | Aerospace |
| AEROSPHERE | Pointe-Claire | Aerospace |
| Aerotek | Montréal | Business Centres |
| Aerus | Pointe-Claire | Central Vacuum Systems |
| Aesthetique Tallie Inc | Pointe-Claire | Beauty & Fitness, Hairdressers & Beauty Salons |
Publicité (Desktop) Publicité (Mobile) |
| Aesus Systems, Inc. | Pointe-Claire | Tout Entreprises et services |
| Ag Qureshi | Pointe-Claire | ag |
| AG3 Sécurité | Pointe-Saint-Charles | Tout Entreprises et services |
| Agence Imapro Inc | Lachine | Business & Trade Organizations |
| Agences Roger Boutin Inc | Boucherville | Business Brokers |
| AirScience | Pointe-Saint-Charles | Tout Entreprises et services |
| AkioSoft | Ouest | Life Sciences and Health Technologies (LSHT) |
| Alain Lessard | Montréal | Business Lawyers |
| Albert Seliger | Montréal | Business Insurance |
| Albuca | Pointe-Claire | Life Sciences and Health Technologies (LSHT) |
Publicité (Desktop) Publicité (Mobile) |
| ALCiE Integrated Business Solutions | Montréal | Tout Informatique et internet |
| Alerte fissure inc. | Montréal | Tout Entreprises et services |
| Alexandre Germain | Longueuil | Business Lawyers |
| 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 |
| Allali Brault | Montréal | Business Lawyers |
| Allez-Up | Pointe-Saint-Charles | Tout Commerces au détail |
| Alliance Web-Commerce | Montréal | Business & Trade Organizations |
