| 10|20 Marketing | Dorval | Button Advertising |
| 1982 Transportation | Dorval | Car & Truck Transporting Companies |
| 2 Sorelle Gelato | Saint-Lambert | Not Profit, Grocery Stores |
| 24k Auto Inc | Dorval | Auto Body Shop |
| 41 Autoworks Ltd | Montréal | Auto Repair Garages, Balancing Service, Not Profit, Car Repair |
| A La Clinique Dentaire Dr Joseph Henry | Montréal | Automobiles, Dentists, Not Profit |
| A P S Aviation Inc | Dorval | Aviation Consultants & Services |
| AB auto | Dorval | Auto Body Shop |
| Abou-Nasr Mona Dr | Saint-Léonard | Automobiles, Dentists, Not Profit |
| Abrasicorp & Equipment | Dorval | Abrasives |
Publicité (Desktop) Publicité (Mobile) |
| Abrasive Technology N A Inc | Dorval | Abrasives, Tout Entreprises et services |
| Accès pharma chez Walmart | Dorval | Pharmacy |
| Acier Vanguard Ltée | Dorval | Tout Entreprises et services |
| Action 500 | Dorval | Tout Arts et divertissement |
| ADVANTECH INC. | Dorval | Aerospace |
| Aeroneuf Instruments Ltée | Dorval | Aerospace, Aircraft Parts, Engines & Avionics |
| AEROPORT DORVAL/MIRABEL | Dorval | Blue Pages |
| Aerospatiale Kaycee | Dorval | Aircraft Parts, Engines & Avionics |
| Affacturage Canada Inc. | Dorval | Tout Entreprises et services |
| Agence Parcs Canada | Montréal | Not Profit, library |
Publicité (Desktop) Publicité (Mobile) |
| Ahuntsic Cartierville Culture Sports Récreation Libraries Ahuntsic | Montréal | Not Profit, library |
| 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 |
| AIRCRAFT EQUIPMENT & SUPPORT SERVICES | Dorval | Aerospace |
| Airline Network Services | Dorval | Airlines |
| Airline Services International Inc | Dorval | Airlines |
| AIRNAV ELECTRONIC | Dorval | Aerospace |
Publicité (Desktop) Publicité (Mobile) |
| Airnav Électronique Ltée | Dorval | Tout Entreprises et services |
| Airtrades Transitaires | Dorval | Tout Entreprises et services |
| Alain-Grandbois Bibliotheques | Laval | Not Profit, library |
| Alarme Sentinelle | Dorval | Tout Entreprises et services |
| Alimentation Raymond Drouin Inc | Longueuil | Not Profit, Grocery Stores |
| Alkalima Christian Store | Montréal | Not Profit, library |
| Alliages Unifiés | Dorval | Tout Entreprises et services |
| Allied Universal Security Services | Dorval | Tout Entreprises et services |
| Alta Material Handling | Dorval | Tout Entreprises et services |
| Altrom/Auto-Camping - Dorval | Dorval | Auto Body Shop Equipment & Supplies |
Publicité (Desktop) Publicité (Mobile) |
| Amacor Marketing | Dorval | Tout Commerces au détail |
| Amber Esthetics & Makeup Studio | Dorval | Beauty & Fitness, Hairdressers & Beauty Salons |
| Amcor | Dorval | Tout Entreprises et services |
| AMEC AMÉRIQUES LIMITÉE | Dorval | Life Sciences and Health Technologies (LSHT) |
| Amenzone Fitness | Dorval | Fitness Gyms |
| American Airlines | Dorval | Airlines |
| Ameublement Euro Style | Dorval | Tout Commerces au détail |
| Ameublements De Bureau Intrtch | Dorval | Furniture Stores |
| AMG Auto-Mécanique | Montréal | Auto Repair Garages, Not Profit, Car Repair |
| AMS Physiotherapy & Rehabilitation Centre | Dorval | Physiotherapy |
