| As As Systemes D Accrochage | Brossard | Shopping Mall |
| As du Lavage à Pression | Montréal | Building Exterior Cleaning |
| As Du Rangement | Saint-Constant | Closet Organizers & Accessories |
| As du rangement | Montréal | Home Improvement |
| AS Hanging Display Systems | Brossard | Shopping Mall |
| As Hanging Systems | Brossard | Shopping Mall |
| As Marleau | Montréal | as |
| As Silverman | Outremont | as |
| As-tu vu mon logo ? | Rosemère | Calendars |
| ASA Cleaning Service | Montréal | Cleaning Services, Cleaning Service |
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| ASA Rénovation et Ébénisterie | Sainte-Julienne | Cabinet Makers |
| Asamae | Brossard | Boutiques |
| Asbex | Laval | Asbestos Removal & Abatement |
| ASC Nova | Montréal | Circular & Sample Distribution |
| Ascendie Goliath | Boucherville | Automatic Fire Sprinkler Systems |
| Ascenseurs Lumar | Saint-Félix-De-Valois | Tout Entreprises et services |
| Ascenseurs Savaria Concord | Laval | Life Sciences and Health Technologies (LSHT) |
| Ascenseurs Savaria Concord Inc. | Montréal | Life Sciences and Health Technologies (LSHT) |
| Ascension Lutheran Church | Montréal | Tout Communautés et société |
| ASCO Valve Canada | Dorval | Tout Entreprises et services |
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| ASE Equipements Inc | Saint-Jean-Sur-Richelieu | Automation Systems & Equipment |
| ASentretien | Montréal | Cleaning Services, Cleaning Service |
| ASEQ Alliance Pour La Santé Étudiante Au Québec | Montréal | Health Services |
| Asg Autoart | Saint-Lambert | Car Repair |
| ASG Canada | Montréal | Information Technologies (IT) |
| ASG Électrique Inc | Montréal | Electricians |
| ASGEMSQ | Longueuil | Associations |
| ASGQ | Bromont | Tout Entreprises et services |
| Ash Gallery | Montréal | Art Galleries, Dealers & Consultants |
| Ashley Els Beauty Academy | Verdun | Beauty & Fitness, Hairdressers & Beauty Salons |
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| Ashley Entrepôt De Rallonge | Montréal | Beauty & Fitness, Hairdressers & Beauty Salons |
| Ashley's Little Gift Shop | Lachine | Candles |
| ASI Computer Technologies (Canada) Corp | Montréal | Information Technologies (IT) |
| Asi Corporation | Montréal | Computer Manufacturers & Wholesalers |
| ASI Group Financier Inc | Lasalle | Car Insurance |
| Asiatica | Montréal | Tout Commerces au détail, Furniture Stores |
| Asiatis | Montréal | Tout Entreprises et services |
| ASKLIPIOS, Citoyens Ages de Montreal | Montréal | Blue Pages |
| Aslen Stratégies D'Affaires | Brossard | Bookkeeping Software & Accounting Systems |
| Aslen Stratégies D'affaires | Longueuil | Bookkeeping Software & Accounting Systems |
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| Asli Yasar Makeup Artist | Saint-Lambert | Artists |
| ASM MOTOSPORT | Saint-Jean-Sur-Richelieu | Aircraft & Flight Schools |
| ASM Performing Arts - Acting School | Ahuntsic Et Cartierville | Tout Enseignement et savoir |
| Asmr salon | Montréal | Massage Therapy |
| Asolec Électrique inc | Saint-Bruno | Electricians |
| Aspectair Inc. | Chateauguay | Tout Entreprises et services |
| Asphalte Les Pros | Riviere-Des-Prairies | Tout Entreprises et services |
| ASPIDA TIS ATHINAS (Services) | Laval | Blue Pages |
| Aspido Inc | Montréal | Information Technologies (IT) |
| Aspira Nettoyage | Montréal | Cleaning Services, Cleaning Service |
