| 110 Airconditioning | Laval | Air Conditioning Systems & Parts |
| 123 Plomberie & Chauffage Limite | Montréal | Plumbing |
| 2Mc Plumbing Montréal Ltd. | Montréal | Plumbing |
| 4CB Groupe | Montréal | Air Conditioning Systems & Parts |
| 6Temik | Montréal | Aircraft Maintenance, Service & Storage |
| 9258 3228 Québec Inc | Montréal | Plumbing |
| A & L Plomberie Inc | Laval | Plumbing |
| A Asselin & Fils Inc | Lachine | Plumbing |
| A C Forest Inc | Montréal | Plumbing |
| A C L Inc | Montréal | Plumbing |
Publicité (Desktop) Publicité (Mobile) |
| A D Ventilation Enr | Anjou | Air Conditioning Contractors |
| A L F A Aviation Services Inc | Chomedey | Aircraft Parts, Engines & Avionics |
| A Merulla Plomberie Inc | Montréal | Plumbing |
| A Roy. Dementellement | Anjou | Plumbing |
| A1 Agences Techniques Inc. | Montréal | Tout Entreprises et services |
| A1 Agencies Techniques | Montréal | Air Conditioning Contractors |
| AAA Canada | Montréal | Aerospace, Aircraft Maintenance, Service & Storage |
| ABC Drain | Montréal | Plumbing |
| ABC Inc | Montréal | Plumbing |
| ABE Climatisation Inc. | Saint-Léonard | Air Purifiers |
Publicité (Desktop) Publicité (Mobile) |
| Abe Cohen Plumbing & Heating Inc | Montréal | Plumbing |
| Abe Cohen Plumbing Heating Inc | Montréal | Plumbing |
| Abel Excavation Enr | Saint-Léonard | Plumbing |
| Abnakaccbi | Montréal | Airline Ticket Agencies |
| Académie Aéronautique Inc | Mascouche | Aircraft & Flight Schools |
| Acass Canada Inc | Montréal | Aircraft & Private Jet Charter |
| Accessoires de camping Belco | Longueuil | Tout Commerces au détail |
| Accessoires de Plomberie Ahuntsic Inc | Montréal | Plumbing |
| ACGM Plomberie & Chauffage | Montréal | Plumbing |
| ACI World | Montréal | Airports |
Publicité (Desktop) Publicité (Mobile) |
| ACRoyal | Saint-Léonard | Tout Entreprises et services |
| ADT Plomberie | Montréal | Plumbing |
| ADT Security Services | Saint-Léonard | Aircraft Parts, Engines & Avionics |
| Adven | Lasalle | Airline Ticket Agencies |
| Aei Aviation (Canada) Inc. | Brossard | Aircraft Parts, Engines & Avionics |
| Aerolineas Argentinas | Montréal | Airlines |
| Aeroneuf Instruments Ltée | Dorval | Aerospace, Aircraft Parts, Engines & Avionics |
| Aerospace Development Corp | Montréal | Aircraft & Private Jet Charter |
| Aerospace Group | Montréal | Aircraft Dealers |
| Aerospatiale Kaycee | Dorval | Aircraft Parts, Engines & Avionics |
Publicité (Desktop) Publicité (Mobile) |
| Aerotechnick Inc | Montréal | Aircraft Parts, Engines & Avionics |
| Aerus | Montréal | Air Purifiers |
| Afr Inspection Prévention | Montréal | Plumbing |
| Air Algerie | Dorval | Airline Ticket Agencies |
| Air Ambiant | Brossard | Air Conditioning Contractors |
| Air Bermuda Inc | Montréal | Aircraft & Private Jet Charter |
| Air Bourotte Ventilation | Montréal | HVAC |
| Air Canada Cargo | Montréal | Airlines |
| Air Canada Reservations | Montréal | Airlines |
| Air Création Canada Inc | Saint-Mathieu-De-Beloeil | Aircraft & Flight Schools |
