| 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 |
| Alimentation Raymond Drouin Inc | Longueuil | Not Profit, Grocery Stores |
| 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 |
Publicité (Desktop) Publicité (Mobile) |
| Aljamila Coiffure | Saint-Léonard | Beauty & Fitness, Hairdressers & Beauty Salons |
| Alkalima Christian Store | Montréal | Not Profit, library |
| 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 |
| Alliages Unifiés | Dorval | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| 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 |
| Allied Universal Security Services | Dorval | Tout Entreprises et services |
| Allo Pipo Le Clown | Saint-Léonard | Clowns |
| Allstate Assurance: Jonathan Viau | Saint-Léonard | Car Insurance |
| Alltech Distribution Inc | Saint-Michel | Tout Commerces au détail |
| Allyson Rhéaume Courtier Immobilier Résidentiel | Saint-Anselme | Real Estate Offices, Courtier immobilier |
| Allège et linteau De Montréal | Ville-Émard Et Côte-Saint-Paul | Tout Entreprises et services |
| Alpakine | Saint-Lambert | Clothing Stores |
Publicité (Desktop) Publicité (Mobile) |
| Alpen Secrets | Montréal | Tout Entreprises et services |
| Alpha Logistiques | Montréal | Tout Entreprises et services |
| Alpha Natura | Montréal | Physiotherapy |
| Alpha Toronto Series Inc | Saint-Léonard | Accountants |
| Alphacasting Inc. | Montréal | Aerospace, Tout Entreprises et services |
| Alphi Apparel Group | Montréal | Tout Entreprises et services |
| Alsago Entrepreneurs | Montréal | Startup Ecosystem |
| Alset Cars | Montréal | Automobiles, car Dealers |
| Alta Material Handling | Dorval | Tout Entreprises et services |
| Altano Inc | Cote Saint-Luc | Home Improvement |
