| Club de Golf Meadowbrook | Lachine | Tout Arts et divertissement |
| Coca Cola Bottling Company | Lachine | Agri-food |
| Coiffure | Delson | Beauty & Fitness, Hairdressers & Beauty Salons |
| Collège Sainte-Anne de Lachine | Lachine | Tout Enseignement et savoir |
| Communications Fg Cellier | Lachine | fg |
| COMO Pizzeria | Delson | Tout Bars et restaurants |
| Complexe Canal Lachine | Saint-Henri | Tout Entreprises et services |
| Complexe du Canal Lachine | Saint-Henri | Tout Commerces au détail, Tout Entreprises et services |
| Compta Solutions | Montréal | Chartered Professional Accountants (CPA) |
| Concept Vénus Coiffure | Delson | Beauty & Fitness, Hairdressers & Beauty Salons |
Publicité (Desktop) Publicité (Mobile) |
| Construction Michel Dubé Inc | Delson | Building Contractors |
| Consultants Navigant | Montréal | Chartered Professional Accountants (CPA) |
| Corporate Aircraft Charters | Lachine | Aircraft & Private Jet Charter |
| Corporation des Bijoutiers du Québec | Lachine | Tout Commerces au détail |
| Courrier Can-Us Liaison | Lachine | Cans |
| Couvreur Sipa 2002 Inc | Lachine | Roofing |
| Cowper Inc. | Lachine | Tout Entreprises et services |
| CPA-ERP | Montréal | Chartered Professional Accountants (CPA) |
| CPD Construction Products | Lachine | Tout Entreprises et services |
| Cpd Lachine | Lachine | Caisses Populaires |
Publicité (Desktop) Publicité (Mobile) |
| Crate & Barrel Warehouse | Lachine | Shopping Mall |
| Crazy Haircut | Lachine | Beauty & Fitness, Hairdressers & Beauty Salons |
| CRS Vamic Inc. | Delson | Tout Entreprises et services |
| Cuisines Jean Bernard | Lachine | Kitchen Cabinets |
| Custom Downstream Systems Inc. | Lachine | Tout Entreprises et services |
| David Chemtob Chartered Accountant | Mont-Royal | Accountants |
| David Chemtob Chartered Accountant | Mont-Royal | Accountants |
| Day & Ross | Lachine | Tout Entreprises et services |
| Debra Wi | Lachine | wi |
| Denis Dompierre CPA | Montréal | Chartered Professional Accountants (CPA) |
Publicité (Desktop) Publicité (Mobile) |
| Desjardins | Lachine | Caisses Populaires |
| Directed Electronics | Lachine | Tout Commerces au détail |
| Directed Electronics Canada Inc | Lachine | Car Alarm Systems |
| Directed Electronics Canada Inc | Lachine | Car Alarm Systems |
| Directed Electronics Canada Inc | Lachine | Car Alarm Systems |
| Directed Electronics Canada Inc | Delson | Car Alarm Systems |
| DL Rénovation | Lachine | Home Improvement |
| Dor Docteur | Lachine | Tout Entreprises et services |
| Dorais Pomerleau | Montréal | Chartered Professional Accountants (CPA) |
| Dorex | Lachine | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Doverco Inc. | Lachine | Tout Entreprises et services |
| Dr Amanda Cristinziano | Lachine | Dentists |
| Drainspection inc. - Plombier, Débouchage de drain Lachine | Montréal | Plumbing |
| Dre Nathalie Leduc | Lachine | Dentists |
| Dtech Pro | Lachine | Computer Repair & Cleaning |
| Dubo Rénove Inc | Lachine | Home Improvement |
| Duro Dyne Canada Inc. | Lachine | Tout Entreprises et services |
| Dyfotech Inc. | Delson | Tout Entreprises et services |
| Déménagement Wind Movers | Lachine | Building & House Movers |
| EASTERN AEROCAST | Lachine | Aerospace |
