| Affutage-Aiguisage Saint-Jean | Saint-Jean-Sur-Richelieu | Electricians |
| Afr Inspection Prévention | Montréal | Plumbing |
| Age | Montréal | Electricians |
| Agence Imapro Inc | Lachine | Business & Trade Organizations |
| Agi Électrique 9377-0295 Québec Inc | Lasalle | Electricians |
| AIDA Distribution | Lachine | Beverage Distributors & Bottlers |
| Ainsworth Montreal (Simpkin elect..mec) | Montréal | Electricians |
| AIR Electrique | Montréal | Electricians |
| Air Pro Transport 2009 | Lachine | Air Cargo Service |
| Air-Therm Inc | Westmount | Plumbing |
Publicité (Desktop) Publicité (Mobile) |
| Akom Electrique | Montréal | Electricians |
| Alain Normandin Rénovation | Lachine | Home Improvement |
| Alex Breton Electrique Inc | Montréal | Electricians |
| Aliments Morehouse Canada Inc | Lachine | Agri-food |
| Aliments T & N (Les) | Lachine | Agri-food |
| Allard & Ricard Inc | Lasalle | Plumbing |
| Allen Électrique Inc | Saint-Sauveur | Electricians |
| Allstream | Lachine | Information Technologies (IT), Tout Entreprises et services, Tout Informatique et internet |
| Alongi | Lachine | Tout Commerces au détail, Tout Entreprises et services |
| Alou-Tech Électrique Inc | Montréal | Electricians |
Publicité (Desktop) Publicité (Mobile) |
| Alpha Candela Électrique Inc. | Montréal | Electricians |
| Alpha Electric | Montréal | Electricians |
| Alphatech Electrique Inc | Laval | Electricians |
| Always B Clean | Lachine | Home Improvement |
| Ambiance Luminaire | Saint-Léonard | Electricians |
| AMD Ritmed Inc. | Québec | Life Sciences and Health Technologies (LSHT) |
| American Transaction Elect Inc | Montréal | Electricians |
| Amesos Plumbing | Outremont | Plumbing |
| Amirco Electrique | Montréal | Electricians |
| Amircoelectrique | Montréal | Electricians |
Publicité (Desktop) Publicité (Mobile) |
| AMJ Campbell Van Lines | Lachine | Tout Entreprises et services |
| AMK Électrique | Montréal | Electricians |
| Amp Pro Electric | Deux-Montagnes | Electricians |
| Ampco Électrique Inc | Laval | Electricians |
| Ampire Électrique Inc | Marieville | Electricians |
| Ampère Electrique Inc | Montréal | Electricians |
| AMS ÉLECTRIQUE INC. | Montréal | Electricians |
| Andrew & Friends - 90 Day Challenge | Lachine | Beauty Salon Equipment & Supplies |
| Anfatec Electrique Inc | Montréal | Electricians |
| Anixia | Lachine | Calendars |
Publicité (Desktop) Publicité (Mobile) |
| Anjou Technologies Inc | Marieville | Plumbing |
| Annie Cyr Conseillère Indépendante Scentsy | Lachine | Aromatherapy |
| Aqua Viva | Montréal | Plumbing |
| Aquabrass Inc | Montréal | Plumbing |
| Aquaduct Plumbing And Heating | Montréal | Plumbing |
| Aqualine Plumbing Montréal | Montréal | Plumbing |
| Araz Technique Electrique | Montréal | Electricians |
| ARC Electrique Inc | Montréal | Electricians |
| Arc-Thac Services | Montréal | Electricians |
| ARCHIVES IRON MOUNTAIN | Lachine | Information Technologies (IT) |
