| Aligo | Information Technologies (IT) | aligo.ca |
| Alimentation Cinq Sens Inc. | Agri-food | pizzastromboli.ca |
| Aliments Alasko Inc. | Agri-food | alasko.com |
| Aliments Cibona Foods | Agri-food | cibonafoods.com |
| Aliments Da Vinci Ltée (Les) | Agri-food | davincifoods.com |
| Aliments Expresco Inc. | Agri-food | exprescofoods.com |
| Aliments Fontaine Santé Inc. | Agri-food | fontainesante.com |
| Aliments Genesis - division de Puresource Inc | Agri-food | genesisfood.ca |
| Aliments Horium Inc. | Agri-food | horium.com |
| Aliments KOYO Inc. | Tout Entreprises et services | koyofoods.com |
| Aliments McCain | Agri-food | mccain.ca |
| Aliments Mello Inc. | Agri-food | mellofoods.com |
| Aliments Mia Inc. (Les) | Agri-food | non |
| Aliments MLW Inc | Chinese Food Manufacturers & Distributors | wongwing.ca |
| Aliments Multibar Inc. (Les) | Agri-food | multibar.com |
| Aliments Pasta Romana Inc. | Agri-food | pastaromana.com |
| Aliments Phillip Viens Inc | Shopping Mall | — |
| Aliments Roma Ltée (Les) | Agri-food | alimentsroma.com |
| Aliments Ronzoni du Canada (Les) | Agri-food | ronzonifoods.com |
| Alina4432 | Ceramic Tile Installers & Contractors | — |
| Alison Sheri | Clothing Manufacturers & Wholesalers | alisonsheri.com |
| Alix Toyota | Automobiles, car Dealers | — |
| Alix Toyota Inc | Automobiles, car Dealers | alixtoyota.com |
| Alkalima Christian Store | Not Profit, library | facebook.com |
| Alkiff Man | Auditoriums & Halls | facebook.com |
| All For You Now | Catalogue & Online Shopping | all4younow.net |
| All Net | Cleaning Services, Cleaning Service | facebook.com |
| All State Home Improvements | Home Improvement | allstatehomeimprovements.ca |
| All You Need | Arts & Crafts Stores | — |
| Allaire Finition De Ciment | Cement Finishing | — |
| Allali Brault | Business Lawyers | allali.ca |
| Allan & Son Construction Inc | Roofing | — |
| Allard Beauty Salon | Beauty & Fitness, Hairdressers & Beauty Salons | saloncanada.com |
| Allard Cpa Inc | Accountants | allard-cpa.com |
| Allard Motor Works Inc | Automobiles, car Dealers | allardj2x.com |
| Allard Plancher | Flooring | — |
| Allbudget Moving & Storage-Canada | Moving Companies | — |
| Allen Entreprise | Cleaning Services, Cleaning Service | — |
| Allergies Québec | Tout Communautés et société | allergies-alimentaires.org |
| Alley Cat Gallery | Art Galleries, Dealers & Consultants | alleycatgallery.weebly.com |
| Allez Interactif Inc | Shopping Mall | facebook.com |
| Allforyou | Catalogue & Online Shopping | — |
| Alliance Collision Inc | Auto Body Repair & Painting Shops | facebook.com |
| Alliance de la Fonction Publique du Canada | Community Service & Charitable Organizations | facebook.com |
| Alliance Forêt urbaine | Tout Communautés et société | allianceforeturbaine.com |
| Alliance Multi Énergie | Home Improvement | — |
| Alliance Nav | Boat Equipment & Supplies, Marine Equipment & Supplies | alliancenav.com |
| Alliance Web-Commerce | Business & Trade Organizations | awc.ca |
| AllianceOne | Collection Agencies | allianceoneinc.com |
| Allianceone Ltée | Collection Agencies | facebook.com |
