| Airbnb | Montréal | Information Technologies (IT) |
| Airbrushextreme | Saint-Léonard | Artists |
| Aircam.ca | Saint Jean | Tout Entreprises et services |
| Aire D3 Inc | Saint-Amable | Asbestos Removal & Abatement |
| Airmax Climatisation | Sainte-Catherine | Air Purifiers |
| Airpro Confort inc. | Saint-Hubert | Air Conditioning Contractors |
| Airpure Shop | Montréal | Air Conditioning Contractors |
| AirScience | Pointe-Saint-Charles | Tout Entreprises et services |
| Airtec Contrôle | Saint-Hubert | Air Conditioning Systems & Parts |
| Airtechni Inc. | Montréal | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Airtek Ltd-Ltée | Montréal | Abrasives, Tout Entreprises et services |
| Airy3D | Montréal | Information Technologies (IT) |
| AJ Hobbins | Saint-Luc | aj |
| Aj Tardif | Saint-Lambert | aj |
| AJA Construction Inc | Saint-Hubert | Bathroom Renovations |
| Akzo Nobel Peintures Ltée | Saint-Jerome | Tout Entreprises et services |
| Alaby Joseph Dr | Saint-Lambert | Dentists |
| Alain Esthétique Auto | Montréal | Automobiles, car Dealers |
| Alarme Doven | Saint-Hubert | Tout Entreprises et services |
| Alarmes et Antivols Sécurimax Inc | Saint-Jérôme | Car Alarm Systems |
Publicité (Desktop) Publicité (Mobile) |
| ALCiE Integrated Business Solutions | Montréal | Tout Informatique et internet |
| Aldeavision Inc. | Montréal | Tout Entreprises et services |
| ALDO | Saint-Bruno-De-Montarville | Boots |
| Aleco | Saint-Léonard | Building Contractors |
| Alerte Aménagement Paysager | Saint-Bruno | Landscaping |
| Alexandra's Babysitting Services | Saint-Léonard | Babysitting Services |
| Alexandra's Nostalgic Memorabilia | Montréal | Antique Dealers |
| Alfa Clinique Médicale | Saint-Constant | Medical Clinics |
| Alfohno Pizzaria | Montréal | Pizza & Pizzerias |
| Aliment Congelés Alasko Inc. | Saint-Léonard | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Aliment Select Int | Saint-Léonard | Beverage Distributors & Bottlers |
| Alimentation O’Crock | Saint-Jean-De-Matha | Tout Commerces au détail |
| Aliments Ange-Gardien | Saint-Jean-Sur-Richelieu | Tout Entreprises et services |
| Aliments Fontaine Santé Inc. | Montréal | Agri-food |
| Aliments Horium Inc. | Montréal | Agri-food |
| Aliments KOYO Inc. | Montréal | Tout Entreprises et services |
| Aliments Parmalat Inc. (Les) | Momtréal | Agri-food |
| Aliments Roma Ltée (Les) | Montréal | Agri-food |
| Alina4432 | Montréal | Ceramic Tile Installers & Contractors |
| Aljamila Coiffure | Saint-Léonard | Beauty & Fitness, Hairdressers & Beauty Salons |
Publicité (Desktop) Publicité (Mobile) |
| All Set Consulting | Saint-Pierre | Information Technologies (IT) |
| All You Need | Montréal | Arts & Crafts Stores |
| Allanté Limousines | Saint-Léonard | Chauffeur Services |
| Allbuy | Cote Saint-Luc | Barter, Trades & Exchanges |
| Allen Électrique Inc | Saint-Sauveur | Electricians |
| Allez-Up | Pointe-Saint-Charles | Tout Commerces au détail |
| Allia Expertise Inc | Saint-Bruno | Bookkeeping Software & Accounting Systems |
| Alliance Nav | Montréal | Boat Equipment & Supplies, Marine Equipment & Supplies |
| Alliance Service d'Entretien Ménager | Saint-Paul-De-L'île-Aux-Noix | Cleaning Services, Cleaning Service |
| Allied Services D'Entretien D'Edifices (Québec) Inc | Montréal | Cleaning Services, Cleaning Service |
