| La Boutique Du Village Inc | Arts & Crafts Manufacturers & Wholesalers | — |
| La Brasserie Sleeman Ltée | Tout Entreprises et services | sleeman.ca |
| La Capitale Centre Coop | Co-operative Organizations | — |
| La Carterie St Martin | Collectibles | facebook.com |
| La Cedriere Barbe Inc | Christmas Trees | — |
| La Coiff Africaine | Beauty & Fitness, Hairdressers & Beauty Salons | — |
| La Compagnie de Construction CRIE (... | Tout Entreprises et services | ccdc.qc.ca |
| La Coopérative D'Habitation Le Sommet Vert | Co-operative Organizations | facebook.com |
| La Fromagerie Des Nations | Cheese | fromageriedesnations.com |
| La Fruits | Beverage Distributors & Bottlers | facebook.com |
| La grande école des affaires | Tout Enseignement et savoir | lagrandeecoledesaffaires.com |
| LA GRÂCE DES FLEURS | Weddings / Baptisms & Occasions | lagracedesfleurs.com |
| La Maison D'Art | Balloons | — |
| La Maison de l'Aspirateur | Tout Commerces au détail, Central Vacuum Systems | maisonaspirateur.com |
| La Maison De Soins Palliatifs De Laval | Associations | msplaval.ca |
| La Maison Du Cheveux | Beauty Institutes, Beauty Salon Equipment & Supplies | facebook.com |
| La préférence | Agri-food | lapreference.com |
| La Santé par vos Pieds | Chiropodists | facebook.com |
| La Trattoria Giusta | Pizza & Pizzerias | trattoriagiusta.com |
| La Vie En Rose Aqua | Bikinis, Swimsuits & Swimming Accessories | lavieenrose.com |
| Labofine Analytical Services and Solutions | Life Sciences and Health Technologies (LSHT) | labofine.com |
| Laboratoire Victhom | Life Sciences and Health Technologies (LSHT) | victhom.com |
| Laboratoires BNK | Life Sciences and Health Technologies (LSHT) | labobnk.com |
| Labrecque Jacques Dr | Chiropractors | — |
| Lacroix Médecine Privée - Laval | Medical Clinics | cliniquesmedicaleslacroix.com |
| Lacroix Médecine Privée - Laval Rue Curé-Labelle | Medical Clinics | — |
| Laflamme Auto | Auto Body Shop | facebook.com |
| Lagune Bleue | Beauty & Fitness, Hairdressers & Beauty Salons | — |
| Lamarche Pierre | Bankruptcy Lawyers | g1bonavocat.com |
| Lamontagne Limousine | Chauffeur Services | — |
| Lanciault Electrique | Electricians | — |
| Las D'Aves | Book Stores | facebook.com |
| Latraverse Huissiers | Bailiffs | latraversehuissiers.com |
| Latraverse Huissiers De Justice Inc | Bailiffs | — |
| Laura Secord Inc | Chocolate | — |
| Laura Transport Inc | Bus & Coach Rental & Charter | facebook.com |
| Laurin Inc. | Tout Entreprises et services | laurinconteneurs.com |
| Lavage À Pression Yannick Joron | Chemical & Pressure Cleaning Systems | facebook.com |
| LAVAL (CHOMEDEY) | Blue Pages | — |
| Laval hydrographics | Auto Body Shop | — |
| Laval Moto | All-Terrain Vehicles | lavalmoto.com |
| Laval Poinçons & Matrices Ltée | Tout Entreprises et services | lavalpoincon.com |
| Laval Towing 24h | Boat Towing | laval-towing-24h.business.site |
| Laval Transmission | Transmission Repair | laval-transmission.com |
| Lavallée Dominique (VIA CAPITALE) | Home Decoration & Maintenance, Real Estate Agencies / Agents | — |
| Lave Auto Prestige | Car Upholstery Cleaning | — |
| Lave-Auto Libre Service Vimont | Car Detailing | facebook.com |
| LAVOD (LES INDUSTRIES) INC. | Aerospace | lavod-inc.com |
| Laz-Boy Galeries de Meubles | Furniture Stores | jcperreault.com |
| Lazz Construction | Home Improvement | facebook.com |
