| Alpha Electric | Montréal | Electricians |
| Alphatech Electrique Inc | Laval | Electricians |
| Ambiance Luminaire | Saint-Léonard | Electricians |
| American Transaction Elect Inc | Montréal | Electricians |
| Amesos Plumbing | Outremont | Plumbing |
| Amirco Electrique | Montréal | Electricians |
| Amircoelectrique | Montréal | Electricians |
| AMK Électrique | Montréal | Electricians |
| Amp Pro Electric | Deux-Montagnes | Electricians |
| Ampco Électrique Inc | Laval | Electricians |
Publicité (Desktop) Publicité (Mobile) |
| Ampire Électrique Inc | Marieville | Electricians |
| Ampère Electrique Inc | Montréal | Electricians |
| AMS ÉLECTRIQUE INC. | Montréal | Electricians |
| Anfatec Electrique Inc | Montréal | Electricians |
| Anjou Technologies Inc | Marieville | Plumbing |
| Aqua Viva | Montréal | Plumbing |
| Aquabrass Inc | Montréal | Plumbing |
| Aquaduct Plumbing And Heating | Montréal | Plumbing |
| Aqualine Plumbing Montréal | Montréal | Plumbing |
| Araz Technique Electrique | Montréal | Electricians |
Publicité (Desktop) Publicité (Mobile) |
| ARC Electrique Inc | Montréal | Electricians |
| Arc-Thac Services | Montréal | Electricians |
| Ares Électrique | Montréal | Electricians |
| ARJ Construction | Pointe-Aux-Trembles | Plumbing |
| Armstrong Darling Inc | Anjou | Plumbing |
| ASG Électrique Inc | Montréal | Electricians |
| Asolec Électrique inc | Saint-Bruno | Electricians |
| Atanas Plomberie Et Chauffage | Montréal | Plumbing |
| Atanas-Plumbing & Heating | Montréal | Plumbing |
| Ateliers Mobiles Compagnie Centrale de Plomberie & Chauffage (1981) Co Ltée | Montréal | Plumbing |
Publicité (Desktop) Publicité (Mobile) |
| Atomique Electrique | Montréal | Electricians |
| Audrey Plomberie Chauffage Inc | Montréal | Plumbing |
| Auto Electricite Lmc Enr | Mont-Royal | Electricians |
| Auto Electricite Sigel Ltee | Montréal | Electricians |
| Automatisation Pike | Mont-Royal | Electricians |
| AV Select | Montréal | Electricians |
| Av-Tech Inc | Anjou | Electricians |
| Avant-Garde Électrique Inc | Montréal | Electricians |
| Avenir Plomberie | Montréal | Plumbing |
| Axam Electrique | Montréal | Electricians |
Publicité (Desktop) Publicité (Mobile) |
| B2R Électricité | Brossard | Electricians |
| Bab | Mont-Royal | Plumbing |
| Back Flow Plumbing | Montréal | Plumbing |
| Backfloshop | Montréal | Plumbing |
| Banyan Électrique 9221-9864 Québec Inc | Pointe-Claire | Electricians |
| Bastien Mario Plomberie Enr | Montréal | Plumbing |
| Baz Électrique | L’ile-Perrot | Electricians |
| Bb Plumbing Supply | Mont-Royal | Plumbing |
| BCD Électrique | Montréal | Electricians |
| BEAUDAR ELECTRIQUE | Pointe-Aux-Trembles | Electricians |
