| 110 Airconditioning | Laval | Air Conditioning Systems & Parts |
| 3CI OSBL INC. | Montréal | Bookkeeping Software & Accounting Systems |
| 4CB Groupe | Montréal | Air Conditioning Systems & Parts |
| 7 Brothers Landscaping Inc | Sainte-Geneviève | Christmas Trees |
| 9331-5422 Québec Inc | Sainte-Julie | Beauty & Fitness, Hairdressers & Beauty Salons |
| A Antiquité Arsène Enr | Sainte-Rose | Antique Dealers |
| A B C Nettoyage Industriel | Montréal | Central Vacuum Systems |
| A Couture | Sainte-Catherine | Couture, COUTURE |
| A Ky | Sainte-Marthe-Sur-Le-Lac | ky |
| A+ Bookkeeping | Montréal | Bookkeeping Software & Accounting Systems |
Publicité (Desktop) Publicité (Mobile) |
| A-Plus Systems Canada Ltd. | Kirkland | Tout Informatique et internet |
| AAA Canada | Montréal | Aerospace, Aircraft Maintenance, Service & Storage |
| Abb Canada | Montréal | Automation Systems & Equipment |
| ABEONA SYSTEMS INC. | Montréal | Life Sciences and Health Technologies (LSHT) |
| Abrasifs Primex Inc | Sainte-Julie | Abrasives |
| Abrasifs Primex Molemab Inc | Sainte-Julie | Abrasives |
| AC Lasalle | Sainte-Catherine | Cabinet Makers |
| Access Auto Montreal | Mont-Royal | Car Radios & Stereo Systems |
| Accounting and Tax Solutions | Montréal | Bookkeeping Software & Accounting Systems |
| Accélérateur HEC-Banque Nationale | Montréal | Startup Ecosystem |
Publicité (Desktop) Publicité (Mobile) |
| Acensi Canada | Montréal | Information Technologies (IT) |
| Acme Vacuum Cleaner Co Ltd | Montréal | Cleaning Services, Cleaning Service |
| Acme Vacuum Compagnie Ltée | Montréal | Tout Entreprises et services |
| ACRoyal | Saint-Léonard | Tout Entreprises et services |
| Acupuncture Julie Latour | La Prairie | Acupuncturists |
| Adex Systems Inc. | Riviere-Des-Prairies | Tout Entreprises et services |
| Admicom | Montréal | Bookkeeping Software & Accounting Systems |
| Ae Fournier | Sainte-Therese | ae |
| Aerus | Pointe-Claire | Central Vacuum Systems |
| Aesus Systems, Inc. | Pointe-Claire | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| AFX Medical (avant Arctic Fox AI) | Henri-Julien | Life Sciences and Health Technologies (LSHT) |
| Agotech | Laval | Car Alarm Systems |
| Aide a domicile-Isabelle | Sainte Julie | Cleaning Services, Cleaning Service |
| Airco Den Bec | Longueuil | Air Conditioning Systems & Parts |
| Airmax Climatisation | Sainte-Catherine | Air Purifiers |
| Airtec Contrôle | Saint-Hubert | Air Conditioning Systems & Parts |
| Alain Berthiaume CPA Inc | Longueuil | Bookkeeping Software & Accounting Systems |
| Alarme Securi-Tek | Montréal | Car Alarm Systems |
| Alarmes et Antivols Sécurimax Inc | Saint-Jérôme | Car Alarm Systems |
| ALDO Accessoires | Montréal | Air Conditioning Systems & Parts |
Publicité (Desktop) Publicité (Mobile) |
| Alert Fire Protection - Alert Sprinklers Inc | Châteauguay | Automatic Fire Sprinkler Systems |
| Alert Fire Protection - Alert Sprinklers Inc | Châteauguay | Automatic Fire Sprinkler Systems |
| Allia Expertise Inc | Saint-Bruno | Bookkeeping Software & Accounting Systems |
| Alphacasting Inc. | Montréal | Aerospace, Tout Entreprises et services |
| Alternateur Démarreur Roussillon Enr | Sainte-Catherine | Alternators & Starters |
| Amusez-Vous! | Sainte-Julie | Tout Arts et divertissement |
| Anastasia Psychic Consultant(E) Psychique, Voyan te | Sainte-Julie | Astrologers & Psychics |
| Anaya Enfants | Sainte-Catherine | Tout Commerces au détail |
| Anderson Accounting | Montréal | Bookkeeping Software & Accounting Systems |
| André Moto Sport | Sainte-Catherine | All-Terrain Vehicles |
