| Ad Auto | Montréal | Automobiles, car Dealers |
| Adanac Inc | Saint-Léonard | Garage Auto |
| Adele Zanni | Montréal | Tout Arts et divertissement |
| Adl Esthétique Automobile | Delson | Car Detailing |
| Adonis | Montréal | Automobiles, Bakery Equipment, Bakery Supplies, Grocery Stores |
| ADVANTECH INC. | Dorval | Aerospace |
| Aegon Dealer Services Inc - Eastern Office | Montréal | Automobiles, car Dealers, Car Dealers |
| Aeroneuf Instruments Ltée | Dorval | Aerospace, Aircraft Parts, Engines & Avionics |
| AEROPORT DORVAL/MIRABEL | Dorval | Blue Pages |
| Aerospatiale Kaycee | Dorval | Aircraft Parts, Engines & Avionics |
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| Affacturage Canada Inc. | Dorval | Tout Entreprises et services |
| AG Distribution | Montréal | Auto Body Shop |
| AGM Contrôle | Brossard | Automation Consultants |
| Agop Harboyian Auto Body | Laval | Auto Body Shop |
| Ahuntsic Auto Centre Inc | Montréal | Car Repair |
| Air Algerie | Dorval | Airline Ticket Agencies |
| Air Inuit (1985) Ltd | Dorval | Airlines |
| Air Inuit Ltd | Dorval | Airlines |
| Air Inuit Ltd | Dorval | Airlines |
| Air Inuit Ltée | Dorval | Airlines |
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| AIRCRAFT EQUIPMENT & SUPPORT SERVICES | Dorval | Aerospace |
| Airline Network Services | Dorval | Airlines |
| Airline Services International Inc | Dorval | Airlines |
| AIRNAV ELECTRONIC | Dorval | Aerospace |
| Airnav Électronique Ltée | Dorval | Tout Entreprises et services |
| Airtrades Transitaires | Dorval | Tout Entreprises et services |
| Al-Aman | Montréal | Auto Services |
| Alain Carrosserie | Terrebonne | Auto Body Shop |
| Alain Esthétique Auto | Montréal | Automobiles, car Dealers |
| Alarme Sentinelle | Dorval | Tout Entreprises et services |
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| Albi Le Géant | Mascouche | Tout Commerces au détail |
| Albi Mazda | Mascouche | Tout Commerces au détail |
| Alert Fire Protection - Alert Sprinklers Inc | Châteauguay | Automatic Fire Sprinkler Systems |
| Alert Fire Protection - Alert Sprinklers Inc | Châteauguay | Automatic Fire Sprinkler Systems |
| Alex Pneu et Mécanique-Détaillant Autorisé Michelin | Montréal | Car Repair |
| Alfa Romeo Montreal | Montréal | Tout Informations générales |
| Ali Baba Auto | Laval | Automobiles, car Dealers |
| Alibec Auto Parts Inc | Montréal | Garage Auto |
| Alignement M L Enrg | Montréal | Garage Auto |
| Aliments Ed Foods Inc. | Pointe-Claire | Agri-food |
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| Aliments Expresco Inc. | Montréal | Agri-food |
| Aliments Salamina (Les) | Laval | Agri-food |
| Alix Toyota | Petite-Patrie | Tout Commerces au détail |
| Alix Toyota | Montréal | Automobiles, car Dealers |
| Alix Toyota Inc | Montréal | Automobiles, car Dealers |
| Allard Motor Works Inc | Montréal | Automobiles, car Dealers |
| Alliages Unifiés | Dorval | Tout Entreprises et services |
| Alliance Collision Inc | Montréal | Auto Body Repair & Painting Shops |
| Allied Universal Security Services | Dorval | Tout Entreprises et services |
| Allstream | Anjou | Auto Services |
