| 1 Electricien | Montréal | Electricians |
| 2D Électriciens Inc | Montréal | Electricians |
| 2G Solutions | Montréal | Tout Informatique et internet |
| 40 Westt | Pointe-Claire | Tout Bars et restaurants |
| 8835 Québec Inc. | Montréal | Electricians |
| 9032-2253 Québec Inc | Pointe-Aux-Trembles | Aluminum |
| 911 Électrique | Laval | Electricians |
| 99andbeyond (anciennement Solutions CognitiveChem inc.) | Dépatie | Life Sciences and Health Technologies (LSHT) |
| A & R Fourniture Inc | Pointe-Aux-Trembles | Appliance Repair |
| A + Solutions Home Healthcare Inc | Montréal | Care Homes |
Publicité (Desktop) Publicité (Mobile) |
| A Ct | Pointe-Calumet | ct |
| A E M Q Association des Entrepreneurs en Maçonnerie du Québec | Pointe-Aux-Trembles | Association Management |
| A M A Electrique Inc | Montréal | Electricians |
| A N J Electrique | Montréal | Electricians |
| A Prince Entrepreneur Electricien Inc | Montréal | Electricians |
| A Tremblay Électrique Inc | Ménard | Electricians |
| A V Solutions | Montréal | Audiovisual Equipment & Supplies, Audiovisual Equipment & Supplies Rental |
| AAA Electrique/Electric Inc | Montréal | Electricians |
| Ab Mcmahon | Pointe-Claire | ab |
| Abat John | Montréal | Electricians |
Publicité (Desktop) Publicité (Mobile) |
| Abat-Jour Idéal | Montréal | Electricians |
| ABB Inc | Montréal | Electricians |
| ABB Inc | Montréal | Electricians |
| ABEONA SYSTEMS INC. | Montréal | Life Sciences and Health Technologies (LSHT) |
| ABF Systèmes Inc. | Boucherville | Tout Entreprises et services |
| Abilis Solutions | Centre-Ville | Tout Informatique et internet |
| Abilis Solutions | Montréal | Information Technologies (IT) |
| ABP | Montréal | Tout Commerces au détail, Tout Entreprises et services |
| Absolut Electric | Montréal | Electricians |
| ACCEO Solutions | Montréal | Information Technologies (IT), Tout Informatique et internet |
Publicité (Desktop) Publicité (Mobile) |
| ACCEO Solutions | Montréal | Computer Consultants |
| ACCEO Solutions Inc. | Montréal | Tout Informatique et internet |
| Accounting and Tax Solutions | Montréal | Bookkeeping Software & Accounting Systems |
| 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 |
| Actron Electrique 2000 Inc | Lasalle | Electricians |
| Actweb Solutions | Petite-Patrie | Tout Commerces au détail, Tout Entreprises et services |
| Acupuncteure Claire Lamarche | Drummondville | Acupuncturists |
Publicité (Desktop) Publicité (Mobile) |
| Adapta Space | Pointe-Claire | Computer Accessories & Supplies |
| Adco Electrique Inc | P A T | Electricians |
| ADD CANADA COMPANY | Pointe-Claire | Information Technologies (IT) |
| Adhesifs Forbo (Canada) Ltée | Pointe-Claire | Tout Entreprises et services |
| ADI Electrique - Électricien Commercial et Industriel Saint-Laurent | Montréal | Electricians |
| ADI Électrique - Électricien Commercial Montréal | Montréal | Electricians |
| ADS Électrique Inc | Montréal | Electricians |
| Aerofil | Pointe-Claire | Life Sciences and Health Technologies (LSHT) |
| AERONAV NAVIGATION INTERNATIONAL | Pointe-Claire | Aerospace |
| AEROSPHERE | Pointe-Claire | Aerospace |
