| Chimène Hair Style | Beauty & Fitness, Hairdressers & Beauty Salons | facebook.com |
| Christine Limousine Inc | Chauffeur Services | facebook.com |
| Chromex Electrique Inc | Electricians | chromexelectrique.com |
| Château Cream Hill Ltée | Agri-food | creamhillestates.com |
| Clean Bee Services | Cleaning Services, Cleaning Service | — |
| Cleaning Lady | Cleaning Services, Cleaning Service | femmeatf.com |
| Cleaning Services Nyasha | Cleaning Services, Cleaning Service | — |
| Clifton Dram Inc | Landscaping | cliftondram.ca |
| Clinique Centre Dentaire Attara | Dentists | — |
| Clinique d'Acupuncture de LaSalle | Acupuncturists | — |
| Clinique De Réadaptation Du Travailleur | Physiotherapy | cliniquecrt.com |
| Clinique Dentaire Lasalle Inc | Dentists | ledentiste.com |
| Clinique Mon Dentiste du Carrefour Angrignon | Dentists | — |
| Clinique Médicale Becs Et Bobos | Health Services | cliniquemedicalebecsetbobos.placeweb.site |
| Clinique Psychiatrique Lasalle | Health Services | — |
| Clinique Sommeil et Santé | Tout Entreprises et services | sommeilsante.com |
| Clinique Vétérinaire Dollard | Tout Entreprises et services | flairetcie.com |
| Cliniquique Vétérinaire Dollard Enr | Animal Medications | cliniqueveterinairedollard.com |
| Cloture MJM | Home Improvement | facebook.com |
| CLSC LaSalle | Blue Pages | — |
| Club de Water-polo Tiburon | Tout Arts et divertissement | tiburonpolo.com |
| Club Tir L'Arc Des Archers De Lasalle Inc. | Archery & Crossbows, Archery & Crossbow Equipment & Supplies | — |
| CMAX Lasalle | Auto Body Shop Equipment & Supplies | facebook.com |
| Coiffeur André Léon | Beauty & Fitness, Hairdressers & Beauty Salons | — |
| Coiffure COIFURE K STYLE | Beauty & Fitness, Hairdressers & Beauty Salons | facebook.com |
| Coiffure Commodore Esthétique | Beauty & Fitness, Hairdressers & Beauty Salons | — |
| Coiffure Et Esthétique Unisexe Huot | Beauty & Fitness, Hairdressers & Beauty Salons | sumhom.com |
| Coiffure Unité Mobile | Beauty & Fitness, Hairdressers & Beauty Salons | — |
| Coiffure-Ama | Beauty & Fitness, Black Hair Salons | marianacoiffurebeaute.ca |
| Collège Saint-Louis | Tout Enseignement et savoir | collegesaintlouis.ecolelachine.com |
| Complexe aquatique Michel-Leduc (Aq... | Tout Arts et divertissement | montreal.ca |
| Comptabilité Selon Vos Besoins | Bookkeeping | — |
| Concept Chocolat | Tout Commerces au détail | conceptchocolat.com |
| Conciergerie Speico | Cleaning Services, Cleaning Service | speico.com |
| Connect Lan | Audiologists | — |
| Constant America | Chemical Storage & Handling | constantamerica.com |
| Construction et Mines Atlas Copco A... | Tout Entreprises et services | atlascopco.com |
| Construction Paysagiste G & S | Landscaping | gslandcon.com |
| Constructions Renaissance | Building Contractors | construction-renaissance.com |
| Consultation Pédiatrique de lasalle | Medical Clinics | facebook.com |
| Conteneurs Conterm Montréal | Tout Entreprises et services | conterm.ca |
| Cosme Inc. | Tout Entreprises et services | cosmeinc.com |
| Couvreur Raymond Cormier | Roofing | maitrescouvreurs.com |
| Crane Supply | Plumbing | cranesupply.com |
| CrossFit Pow | Fitness Gyms | — |
| Créavox Inc | Audiovisual Production Services | facebook.com |
| Cuisine Europeene | Kitchen Cabinets | cuisineeuropeene.com |
| Cycle & Sports Robert | Tout Commerces au détail | cyclerobert.com |
| DAC Aviation International | Aircraft Maintenance, Service & Storage | dacaviation.com |
| Dac Aviation International | Aircraft Maintenance, Service & Storage | — |
