| 10|20 Marketing | Dorval | Button Advertising |
| 1982 Transportation | Dorval | Car & Truck Transporting Companies |
| 24/7 Towing Anjou | Anjou | Boat Towing |
| 24/7 TOWING MONTREAL / Survoltage Crevaison D茅v茅rrouillage / | Montr茅al | Boat Towing |
| 24h Tow Truck Montreal Car Accident Boost Scrap | Montr茅al | Boat Towing |
| 24k Auto Inc | Dorval | Auto Body Shop |
| A Bas Prix Extermination | Repentigny | Tout Commerces au d茅tail |
| A P S Aviation Inc | Dorval | Aviation Consultants & Services |
| AB auto | Dorval | Auto Body Shop |
| Abat Extermination | Repentigny | Tout Commerces au d茅tail |
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| Abrasicorp & Equipment | Dorval | Abrasives |
| Abrasive Technology N A Inc | Dorval | Abrasives, Tout Entreprises et services |
| Abscoa Industries Inc. | Montr茅al | Boat Dealers & Brokers |
| Absolute Kutz | Repentigny | Health and Beauty |
| Acc猫s pharma chez Walmart | Dorval | Pharmacy |
| Acier Vanguard Lt茅e | Dorval | Tout Entreprises et services |
| ACP Repentigny | Le Gardeur | Archery & Crossbows, Archery & Crossbow Equipment & Supplies |
| Action 500 | Dorval | Tout Arts et divertissement |
| Acupuncture 脿 Repentigny | Repentigny | Tout Entreprises et services |
| Addisson 脡lectronique | Repentigny | Antennas, Battery Chargers |
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| ADVANTECH INC. | Dorval | Aerospace |
| Aeroneuf Instruments Lt茅e | 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 |
| Air Algerie | Dorval | Airline Ticket Agencies |
| Air Inuit (1985) Ltd | Dorval | Airlines |
| Air Inuit Ltd | Dorval | Airlines |
| Air Inuit Ltd | Dorval | Airlines |
| Air Inuit Lt茅e | 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 脡lectronique Lt茅e | Dorval | Tout Entreprises et services |
| Airtrades Transitaires | Dorval | Tout Entreprises et services |
| Alarme Sentinelle | Dorval | Tout Entreprises et services |
| Alliages Unifi茅s | Dorval | Tout Entreprises et services |
| Alliance Nav | Montr茅al | Boat Equipment & Supplies, Marine Equipment & Supplies |
| Allied Universal Security Services | Dorval | Tout Entreprises et services |
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| Alta Material Handling | Dorval | Tout Entreprises et services |
| Altrom/Auto-Camping - Dorval | Dorval | Auto Body Shop Equipment & Supplies |
| Amacor Marketing | Dorval | Tout Commerces au d茅tail |
| Amber Esthetics & Makeup Studio | Dorval | Beauty & Fitness, Hairdressers & Beauty Salons |
| Amcor | Dorval | Tout Entreprises et services |
| AMEC AM脡RIQUES LIMIT脡E | Dorval | Life Sciences and Health Technologies (LSHT) |
| Amenzone Fitness | Dorval | Fitness Gyms |
| American Airlines | Dorval | Airlines |
| Ameublement Euro Style | Dorval | Tout Commerces au d茅tail |
| Ameublements De Bureau Intrtch | Dorval | Furniture Stores |
