| 1 Electricien | Montréal | Electricians |
| 2D Électriciens Inc | Montréal | Electricians |
| 8835 Québec Inc. | Montréal | Electricians |
| 911 Électrique | Laval | Electricians |
| A M A Electrique Inc | Montréal | Electricians |
| A N J Electrique | Montréal | Electricians |
| A Prince Entrepreneur Electricien Inc | Montréal | Electricians |
| A Tremblay Électrique Inc | Ménard | Electricians |
| AAA Electrique/Electric Inc | Montréal | Electricians |
| Abat John | Montréal | Electricians |
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| Abat-Jour Idéal | Montréal | Electricians |
| ABB | Montréal | Clean Technologies |
| ABB Inc | Montréal | Electricians |
| ABB Inc | Montréal | Electricians |
| Absolut Electric | Montréal | Electricians |
| Actron Electrique 2000 Inc | Lasalle | Electricians |
| Adco Electrique Inc | P A T | Electricians |
| ADI Electrique - Électricien Commercial et Industriel Saint-Laurent | Montréal | Electricians |
| ADI Électrique - Électricien Commercial Montréal | Montréal | Electricians |
| ADS Électrique Inc | Montréal | Electricians |
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| AF Electrique | Montréal | Electricians |
| Affutage-Aiguisage Saint-Jean | Saint-Jean-Sur-Richelieu | Electricians |
| Age | Montréal | Electricians |
| Agi Électrique 9377-0295 Québec Inc | Lasalle | Electricians |
| Ainsworth Montreal (Simpkin elect..mec) | Montréal | Electricians |
| AIR Electrique | Montréal | Electricians |
| Akom Electrique | Montréal | Electricians |
| Alcoa innovation | Montréal | Clean Technologies |
| Alex Breton Electrique Inc | Montréal | Electricians |
| Allen Électrique Inc | Saint-Sauveur | Electricians |
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| Alou-Tech Électrique Inc | Montréal | Electricians |
| Alpha Candela Électrique Inc. | Montréal | Electricians |
| Alpha Electric | Montréal | Electricians |
| Alphatech Electrique Inc | Laval | Electricians |
| Alto Design | Montréal | Clean Technologies, Tout Entreprises et services |
| Ambiance Luminaire | Saint-Léonard | Electricians |
| American Transaction Elect Inc | Montréal | Electricians |
| Amirco Electrique | Montréal | Electricians |
| Amircoelectrique | Montréal | Electricians |
| AMK Électrique | Montréal | Electricians |
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| 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 |
| Anfatec Electrique Inc | Montréal | Electricians |
| Araz Technique Electrique | Montréal | Electricians |
| ARC Electrique Inc | Montréal | Electricians |
| Arc-Thac Services | Montréal | Electricians |
| Ares Électrique | Montréal | Electricians |
