| Scie O Bois | Laval | Arts & Crafts Stores |
| SCIENCES DE L'INFORMATIQUE CANADA INC | Montréal | Information Technologies (IT) |
| Scientific Games Canada | Montréal | Information Technologies (IT) |
| Scies Acme Plus Inc. | Pointe-Claire | Tout Entreprises et services |
| Scimega Recherche Inc. | Montréal | Life Sciences and Health Technologies (LSHT) |
| Scintillant comme un gant! | Longueuil | Cleaning Services, Cleaning Service |
| SCIREQ (Scientific Respiratory Equipment Inc) (Emka Technologies) | Montréal | Life Sciences and Health Technologies (LSHT) |
| SCIREQ Scientific Respiratory Equipement Inc. | Montréal | Life Sciences and Health Technologies (LSHT) |
| Scissorhands Salon & Spa | Montréal | Health and Beauty |
| Scodesign Distribution Inc | Baie-D'urfé | Tout Entreprises et services, Kitchen Cabinets |
Publicité (Desktop) Publicité (Mobile) |
| SCONE MONDE EST | Montréal | Bakeries |
| Scooop Dogg | Terrebonne | Cleaning & Janitorial Supplies |
| Scoot-E | Lemoyne | Shopping Mall |
| Scoot-R Location | Montréal | Bicycle Rental |
| Scooter Cité Vert | Montréal | All-Terrain Vehicles |
| Scootterre | Blainville | Tout Commerces au détail |
| Scoresort | Montréal | Shopping Mall |
| Scorpion Salon de Coiffure Elle & Lui | Montréal | Beauty & Fitness, Hairdressers & Beauty Salons |
| Scotiabank | Saint-Lambert | Banks |
| Scotiabank | Saint-Lambert | Banks |
Publicité (Desktop) Publicité (Mobile) |
| Scott Yetman Design | Montréal | Commercial Artists |
| Scottish Country Dancing in Montrea... | Montréal | Tout Arts et divertissement |
| Scotyz Bar | Saint-Hubert | Bars |
| Scout 9e Groupe de St-Thomas de Villeneuve | Saint-Hubert | Associations |
| Scouts du Montréal métropolitain | Montréal | Tout Communautés et société |
| SCOUTS GROUP/Laval Hellenic Community | Laval | Blue Pages |
| Scp Geotek | Montréal | Civil Engineers |
| SCP Science Inc. | Baie-D'urfé | Tout Entreprises et services |
| Scrap Monster Inc | Montréal | Shopping Mall |
| Scrap-Auto | Montréal | Car Wrecking & Recycling |
Publicité (Desktop) Publicité (Mobile) |
| Scratch Express | Saint-Amable | Auto Body Shop |
| Scripto Centris Inc | Longueuil | Computer Networking |
| Scrireq | Québec | Life Sciences and Health Technologies (LSHT) |
| Scrub Maid Service | Mont-Royal | Cleaning Services, Cleaning Service |
| Scène Scapin | Saint-Léonard | HVAC |
| Scènes de musique alternatives du Q... | Montréal | Tout Arts et divertissement |
| Scéno Plus | Rosemont | Tout Entreprises et services |
| 24h Tow Truck Montreal Car Accident Boost Scrap | Montréal | Boat Towing |
| 617e groupe Scouts Ste-Rose | Ste-Rose | Tout Communautés et société |
| 727 731 Chanoine scott SteFoy | Québec | Real Estate Offices, Courtier immobilier |
Publicité (Desktop) Publicité (Mobile) |
| Action Scuba | Pointe-Claire | Tout Commerces au détail |
| Acupuncteure Certifié Colette Poirier Ac. B.Sc. | Longueuil | Acupuncturists, Alternative Health |
| Aegera Therapeutics, part of Pharmascience Inc. | Île-des-Soeurs | Life Sciences and Health Technologies (LSHT) |
| Agence Science-Presse | Montréal | Tout Enseignement et savoir, Tout Médias montréalais |
| Algorithme Pharma Inc. - Une Compagnie d'Altasciences | Laval | Life Sciences and Health Technologies (LSHT) |
| Ali Ibn Abi Talib School | Ahuntsic Et Cartierville | Tout Enseignement et savoir |
| Allion Elementary School | Lasalle | Tout Enseignement et savoir |
| Allstate Assurance: Antonino Scalia | Anjou | Car Insurance |
| Alpha Scrap Metal | Montréal | Scrap metal – recycling |
| Altasciences (Algorithme Pharma Inc.) | Montréal | Life Sciences and Health Technologies (LSHT) |
