| 40 Westt | Pointe-Claire | Tout Bars et restaurants |
| 7571470 Canada Inc. (Opus Pharma) | Montréal | Life Sciences and Health Technologies (LSHT) |
| 9032-2253 Québec Inc | Pointe-Aux-Trembles | Aluminum |
| A & D Prevost Inc | Richelieu | Aluminum Products |
| 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+ Products Canada Inc | Montréal | Buckles |
| Ab Mcmahon | Pointe-Claire | ab |
| Abbott Canada (Abbott Nutrition & Santé Animale) | Montréal | Life Sciences and Health Technologies (LSHT) |
Publicité (Desktop) Publicité (Mobile) |
| ABEONA SYSTEMS INC. | Montréal | Life Sciences and Health Technologies (LSHT) |
| ABP | Montréal | Tout Commerces au détail, Tout Entreprises et services |
| Acasti Pharma Inc. | Laval | Life Sciences and Health Technologies (LSHT) |
| 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 |
| Actumus | Cherrier | Life Sciences and Health Technologies (LSHT) |
| Acupuncteure Claire Lamarche | Drummondville | Acupuncturists |
| Adapta Space | Pointe-Claire | Computer Accessories & Supplies |
Publicité (Desktop) Publicité (Mobile) |
| ADD CANADA COMPANY | Pointe-Claire | Information Technologies (IT) |
| Adhesifs Forbo (Canada) Ltée | Pointe-Claire | Tout Entreprises et services |
| Adiantum Production (anciennement Laboratoires Capsulab Inc.) | Dollard | Life Sciences and Health Technologies (LSHT) |
| Aerofil | Pointe-Claire | Life Sciences and Health Technologies (LSHT) |
| 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 |
| Afmerica Technologie Inc | Châteauguay | Carbon Products |
Publicité (Desktop) Publicité (Mobile) |
| Ag Qureshi | Pointe-Claire | ag |
| AG3 Sécurité | Pointe-Saint-Charles | Tout Entreprises et services |
| Agence Fitz | Montréal | Baby Products & Accessories |
| AirScience | Pointe-Saint-Charles | Tout Entreprises et services |
| 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 |
| Aliments Cell Inc. | Pointe-Claire | Agri-food |
| Aliments Ed Foods Inc. | Pointe-Claire | Agri-food |
| Aliments LUDA | Pointe-Claire | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Aliments Noble Inc. | Pointe-Claire | Agri-food |
| Allez-Up | Pointe-Saint-Charles | Tout Commerces au détail |
| Allied Aluminum Products Compagny Inc | Montréal | Aluminum Products |
| Altamed Pharma | Montréal | Life Sciences and Health Technologies (LSHT) |
| Alumicor Limited | Montréal | Aluminum, Aluminum Products, Architects |
| Aluminium C Bouchard & Fils Inc | Terrebonne | Aluminum Products |
| Aluminium DP | Longueuil | Aluminum Products |
| Aluminium Elron Inc | Dollard Des Ormeaux | Aluminum Products |
| Aluminium Fenebel 1964 Inc | Montréal | Aluminum, Aluminum Products |
| Aluminium Maurice Forest Inc | Montréal | Aluminum, Aluminum Products, Balconies |
