| 211 Grand Montréal | Montréal | Tout Informations générales |
| 9141-2148 Québec Inc | Westmount | Cleaning Services, Cleaning Service |
| 9265-6792 Québec Inc | Saint-Léonard | Baked Goods Wholesalers |
| 9265-6792 Québec Inc | Montréal | Baked Goods Wholesalers |
| ABP Consultants en personnel | Westmount | Tout Entreprises et services |
| Abu-Lasia/ Matamin | Lachine | Baked Goods Wholesalers |
| ABZ Assurances-Insurance | Westmount | Car Insurance |
| ACA | Westmount | Collection Agencies |
| Académie Ballet Flamenco Lina Moros | Westmount | Tout Enseignement et savoir |
| Accès Golf | Quartier Latin Et Centre-Sud | Tout Arts et divertissement |
Publicité (Desktop) Publicité (Mobile) |
| Acef du Nord de Montréal | Villeray | Tout Communautés et société |
| Acier Wirth Steel | Westmount | Aluminum |
| Action 500 | Dorval | Tout Arts et divertissement |
| Action Sport Physio | Westmount | Tout Entreprises et services, Physiotherapy |
| Acupuncteur Qi Gong Montréal | Montréal | Acupuncturists |
| Acupuncture Chinoise & Japonaise Goli Homaei Haddad | Montréal | Alternative Health |
| Acupuncture Dannie Goulet | Montréal | Acupuncturists, Alternative Health |
| Adam Leith Gollner | Montréal | Tout Arts et divertissement |
| Adams Viennese Bakery | Montréal | Baked Goods Wholesalers |
| Adelman, Adam | Westmount | Boutiques |
Publicité (Desktop) Publicité (Mobile) |
| Advanceit Financial Corp | Westmount | Computer Networking |
| Aegera Therapeutics, part of Pharmascience Inc. | Île-des-Soeurs | Life Sciences and Health Technologies (LSHT) |
| Affaires Goûter | Montréal | Caterers |
| Agence Goodwin | Montréal | Tout Entreprises et services |
| Agent Gourmand | Montréal | Caterers |
| Air-Therm Inc | Westmount | Plumbing |
| Altea Furniture | Westmount | Antique Restoration, Refinishing & Repair |
| AM1280 CFMB | Westmount | Tout Médias montréalais |
| Amadea S. Kezar Physiothérapie | Westmount | Physiotherapy |
| AmerisourceBergen Canada Corporation | Montréal | Life Sciences and Health Technologies (LSHT) |
Publicité (Desktop) Publicité (Mobile) |
| AmorChem Holdings Inc | Montréal | Life Sciences and Health Technologies (LSHT) |
| AmorChem Therapeutics Inc | Westmount Square | Life Sciences and Health Technologies (LSHT) |
| Aménagement Gopelouse | Longueuil | Landscaping |
| Aménagement GoPelouse | Longueuil | Landscaping |
| Andrea Flütsch | Westmount | Physiotherapy |
| Animation Gonflable | Longueuil | Computer Graphics Design & Animation |
| Anna Goodson Illustration Agency | Ndg | Tout Entreprises et services |
| Annie Go | Victoriaville | go |
| Antiquites Coach House Enr | Westmount | Antique Dealers |
| AP&C Revêtements et Poudres Avancées | Montréal | Aerospace |
Publicité (Desktop) Publicité (Mobile) |
| Aplast Canada Inc | Westmount | Home Improvement |
| Aquabounga | Mont-Tremblant | Tout Arts et divertissement, Tout Tourisme et hôtels |
| AQUACOUPE TECHNOLOGY INC. | Mirabel | Aerospace |
| AquaExpert | Westmount | Aquariums & Supplies |
| Architecture Jacques Goulet Inc | Laval | Architectural & Construction Specifications |
| Architecture Jacques Goulet Inc | Laval | Architectural & Construction Specifications |
| Arishma D. Gokhool Attorney | Toronto | Business Lawyers |
| Artgold Fine Art Inc | Westmount | Antique Dealers |
| Artisanat Gold Art Inc | Brossard | Arts & Crafts Supplies, Arts & Crafts Materials & Supplies |
| Arundel Golf | Arundel | Tout Arts et divertissement, Tout Bars et restaurants |
