| Béa | Boutiques | bea-lingerie.ca |
| Bélanger Services Comptables & Conseils | Bookkeeping | belangercomptable.ca |
| C C T A | Community Service & Charitable Organizations | cctaride.org |
| C Sp | sp | — |
| Cabinet d'Ostéopathie Daniel Parent | Alternative Health | osteopathemontreal.com |
| Cadeaux D'Affaires Lucas & Voigt | Baskets | facebook.com |
| Café De L'Ecluse | Coffee Shops | facebook.com |
| Café Passion St-Lambert | Bagels, Breakfast Restaurants | cafepassion.ca |
| Caisse Desjardins Charles-LeMoyne | Banks | desjardins.com |
| Candace Margetek | Apartment Rental, Apartments | — |
| Carl Healey & Associates Inc | Aviation Consultants & Services | — |
| Castonguay Cycles & Sport | Bicycle Stores | castonguaysport.com |
| CBRS | Associations | benevolatrivesud.qc.ca |
| Centre Ayurvedique Transformation | Alternative Health | centredeyogatransformation.com |
| Centre Chiropratique Specifique | Chiropractors | dr-sante.com |
| Centre chiropratique Victoria | Chiropractors | facebook.com |
| Centre Chirurgie Dentaire Zeeba Inc | Dentists | facebook.com |
| Centre Communautaire La Rive Droite Inc | Community Care & Adult Care Facilities | facebook.com |
| Centre De La Petite Enfance De St Lambert | Childcare Services | — |
| Centre De La Petite Enfance Mouillepied | Childcare Services | aqcpe.com |
| Centre Dentaire Familial St-Lambert | Dentists | centredentairesaintlambert.ca |
| Centre intégré de santé et de services sociaux de la Montérégie-Centre | Clinics | — |
| Centre Medicale Dentaire G P | Medical Clinics | — |
| Centre Privée | Medical Clinics | centreblouinvalois.com |
| Centropolis St-Hubert | Amusement Places | facebook.com |
| Cepac Communication | Advertising Agencies | facebook.com |
| Chalet Préville | Not Profit, library, Library | — |
| Chalex | Camera & Photo Equipment Stores | facebook.com |
| Chambly County High School & Chambl... | Tout Enseignement et savoir | chamblycounty.com |
| Champlain College Saint-Lambert | Tout Enseignement et savoir | champlainsaintlambert.ca |
| Charbonneau Nathalie | Business Lawyers | avocatelongueuil.com |
| Charles-Etienne Robert Technologue | Architectural & Construction Specifications | planinspection.com |
| Chez Nous Chez Vous | Tout Commerces au détail, Childcare Services | cncv.ca |
| Chic&Beaute Par Dos | Beauty & Fitness, Hairdressers & Beauty Salons | — |
| Choses.co | Antique Dealers | facebook.com |
| ChowMein Jardin | Chinese Food Restaurants | facebook.com |
| Church St Andre'S Presbyterian | Churches & Other Places of Worship | presbycan.ca |
| CIBC Branch with ATM | Banks | locations.cibc.com |
| CISSS Centre Intégré de Santé et de Services Sociaux de la Montérégie-Centre | Clinics | — |
| Claude Charette Inc (Dr) | Dentists | dentisteclaudecharette.ca |
| Clinique Argyle | Not Profit, Medical Clinics | — |
| Clinique Chiropratique Normand Voisard | Chiropractors | chiropratiquevoisard.com |
| Clinique Chiropratique St-Lambert | Not Profit, Medical Clinics | chirost-lambert.com |
| Clinique Chiropratique Victoria Inc | Chiropractors | — |
| Clinique de Chirurgie Plastique et Esthétique | Health Services | facebook.com |
| Clinique De Physio Bois Boulogne | Physiotherapy | — |
| Clinique Dentaire Familiale De Saint-Lambert | Dentists | facebook.com |
| Clinique Dentaire N Bouchard Inc | Dentists | bouche.ca |
| Clinique Juvessence | Acupuncturists | facebook.com |
| Clinique Mass-Santé | Massage Therapy | ciblelocale.ca |
