| Pizza Hut | Lachine | Pizza & Pizzerias |
| Pizza Provost | Lachine | Pizza & Pizzerias |
| Pj Delli Colli | Lachine | pj |
| Plan B Montréal | Lachine | Cleaning Services, Cleaning Service |
| Planète Courrier Inc | Lachine | Tout Entreprises et services |
| Plastiques Dura | Lachine | Chemicals |
| Plomberie Costel 24H Inc | Lachine | Plumbing |
| Plomberie Dominion Inc. | Lachine | Plumbing |
| Plomberie et Chauffage Lachine Inc | Lachine | Plumbing |
| Plomberie Pro Solution Inc | Lachine | Plumbing |
Publicité (Desktop) Publicité (Mobile) |
| Plomberie Pro Solution Inc | Lachine | Plumbing |
| Pneus Lachine Inc | Lachine | Balancing Service |
| Pneus Lachine IncEntrepôt | Montréal | Tire Shop |
| PNEUTECH-ROUSSEAU | Lachine | Aerospace |
| Pole Air Aviation Inc | Lachine | Aerospace, Aircraft Parts, Engines & Avionics, Tout Entreprises et services |
| Precision Time | Lachine | Clock Repair |
| Prince Logistic Services | Lachine | Tout Entreprises et services |
| Protech Suspension | Lachine | Business & Trade Organizations |
| Pâtisserie Carvin Déli Inc. | Lachine | Agri-food |
| Quantum Lifecycle | Lachine | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Raymond Enone Babies & Kids RayEnone.ca Montreal - Lachine | Lachine | Baby Products & Accessories |
| Rees Colors | Lachine | Aquariums & Supplies |
| Reparations Fit-Fix inc. | Lachine | Tout Commerces au détail |
| Restaurant Il Fornetto | Lachine | Breakfast Restaurants |
| Riverain Services d'Appareils Ménagers Inc | Lachine | Appliance Repair & Service |
| Robert Burch Communications | Lachine | Tout Entreprises et services |
| Rockfield Church | Lachine | Churches & Other Places of Worship |
| Rolls-Royce Canada Ltée | Lachine | Aerospace, Tout Entreprises et services |
| RONA Lachine Famille Chartier Inc. | Lachine | Clothes Lines |
| Rose Ménage | Lachine | Cleaning Services, Cleaning Service |
Publicité (Desktop) Publicité (Mobile) |
| Rouemanie | Lachine | Bicycle Rental, Bicycle Stores |
| Ryf J N Dr | Lachine | Chiropractors |
| Résidence Jean-Placide-Desrosiers | Lachine | Tout Entreprises et services |
| Salon Lynn D | Lachine | Beauty & Fitness, Hairdressers & Beauty Salons |
| Salon Ruth Inter-Coiffure | Lachine | Beauty & Fitness, Hairdressers & Beauty Salons |
| Salon Sonia | Lachine | Beauty & Fitness, Hairdressers & Beauty Salons |
| Samuel, Son & Co | Lachine | Tout Entreprises et services |
| SAQ Classique | Lachine | City Halls |
| Sarah Larouche Extensions de cils | Lachine | Beauty & Fitness, Hairdressers & Beauty Salons |
| Savonnette | Lachine | Tout Bars et restaurants |
Publicité (Desktop) Publicité (Mobile) |
| Scale Tron Inc. | Lachine | Tout Entreprises et services |
| SEI | Lachine | Landscaping |
| Service D'Entretien Distinction | Lachine | Cleaning Services, Cleaning Service |
| Service De Transmission Express | Lachine | Car Repair |
| Services Location Informatique inc. | Lachine | Tout Informatique et internet |
| Servoflex Lachine | Lachine | Appliance Repair & Service |
| Seymour Taran | Lachine | Bookkeeping Software & Accounting Systems |
| Shanz Cleaning Services | Lachine | Cleaning Services, Cleaning Service |
| Site Internet de Afriwa Inc | Lachine | Beauty Salon Equipment & Supplies |
| Skyline Montreal | Lachine | Tout Entreprises et services |
