| A Piece of Heaven Cakes | Longueuil | Bakeries |
| A Votre Sante HB | Montréal | Medical Clinics |
| A Way of Life , CDL centre Sportif | Montréal | Fitness Gyms |
| A&C American Chemicals | Montréal | Life Sciences and Health Technologies (LSHT) |
| A+ Products Canada Inc | Montréal | Buckles |
| A. E. Blake Sales Ltd. | Montréal | Tout Entreprises et services |
| A. Landry Peintre A. Landry, Rénovation | Saint-Léonard | Flooring |
| A.C.C.E.S Ltée | Saint-Philippe | Furniture Stores |
| A.D.I. Art Design International Inc... | Saint-Hubert | Tout Entreprises et services |
| A.E. Blake Sales | Montréal | Adhesives & Glues |
Publicité (Desktop) Publicité (Mobile) |
| A.Fucito Landscaping Inc. | Côte Saint-Luc | Landscaping |
| A.J.M. International Sports Promoti... | Montréal | Tout Entreprises et services |
| A1 Agences Techniques Inc. | Montréal | Tout Entreprises et services |
| A1 Agencies Techniques | Montréal | Air Conditioning Contractors |
| A1 Isolation | Varennes | Cold & Heat Insulation Contractors |
| A1 Machinery | Saint-Bruno | Tout Entreprises et services |
| A1 Tires 514 | Montréal | Balancing Service |
| A2D | Duvernay Et Saint-Vincent-De-Paul | Tout Entreprises et services |
| AA Electroménagers | Montréal | Appliance Repair |
| AA Studios | Montréal | Information Technologies (IT) |
Publicité (Desktop) Publicité (Mobile) |
| AAA Canada | Montréal | Aerospace, Aircraft Maintenance, Service & Storage |
| AAF International | Montréal | Life Sciences and Health Technologies (LSHT) |
| Aaron Balaban Leasing Enr | Montréal | Car Leasing |
| Abattage élagage Saint-Laurent | Blainville | Tout Entreprises et services |
| ABB Inc | Montréal | Electricians |
| ABB Inc | Montréal | Electricians |
| ABB Inc. | Montréal | Tout Entreprises et services |
| Abbaye Val Notre-Dame | Saint-Jean-De-Matha | Tout Commerces au détail, Tout Communautés et société |
| Abbott Canada (Abbott Nutrition & Santé Animale) | Montréal | Life Sciences and Health Technologies (LSHT) |
| Abbott Laboratories Limited | Montréal | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Abbvie | Boisbriand | Life Sciences and Health Technologies (LSHT) |
| Abbvie (Corporation) | Montréal | Life Sciences and Health Technologies (LSHT) |
| AbbVie Corporation | Montréal | Life Sciences and Health Technologies (LSHT) |
| AbbVie Inc. | Montréal | Tout Entreprises et services |
| ABC Emballuxe Inc | Montréal | Tout Entreprises et services, Bakery Supplies |
| ABC Emballuxe Inc | Montréal | Bakery Supplies |
| Abdel Wajed Doumi El Baqqali | Saint-Lambert-De-Lauzon | el |
| Abe & Mary's | Montréal | Boutiques |
| ABE Climatisation Inc. | Saint-Léonard | Air Purifiers |
| Abe Cohen Plumbing & Heating Inc | Montréal | Plumbing |
Publicité (Desktop) Publicité (Mobile) |
| Abe Cohen Plumbing Heating Inc | Montréal | Plumbing |
| Abel Excavation Enr | Saint-Léonard | Plumbing |
| ABEONA SYSTEMS INC. | Montréal | Life Sciences and Health Technologies (LSHT) |
| Abio Cosmetic | Bois-Des-Filion | Health and Beauty |
| Able Chinese Acupuncture Clinic | Montréal | Acupuncturists, Alternative Health |
| Abloy Canada Inc. | Montréal | Tout Entreprises et services |
| Abou-Nasr Mona Dr | Saint-Léonard | Automobiles, Dentists, Not Profit |
| Abra Electronics Corp. | Montréal | Tout Commerces au détail, Tout Entreprises et services |
| Abra Electronique Corp | Montréal | Antennas |
| Abra-Dhesif Inc | Saint-Bruno | Abrasives |
