| Décimal Inc. | Longueuil | Tout Entreprises et services |
| Décor Experts Expo | Longueuil | Tout Entreprises et services |
| Déneigement Sanscartier | Longueuil | Landscaping |
| Dépanneur Nobert | Longueuil | Beer & Ale |
| Dépanneur Pétroles Aicardi | Longueuil | Beer & Ale |
| e kalengule ndunga wa | Longueuil | wa |
| Eau Renaissance | Longueuil | Bulk & Bottled Water |
| Eaux Saint-Léger Inc. (Les) | Longueuil | Agri-food |
| Ebenisterie D'Autrefois | Longueuil | Furniture Stores |
| EBOX | Longueuil | Tout Informatique et internet |
Publicité (Desktop) Publicité (Mobile) |
| Ecole de musique et de chant CODA | Longueuil | Tout Enseignement et savoir |
| Eglise Baptiste De La Rive-Sud | Longueuil | Churches & Other Places of Worship |
| Eglise Bethanie De Longueuil | Longueuil | Churches & Other Places of Worship |
| Eglise Des Apôtres De Jesus-Chris | Longueuil | Churches & Other Places of Worship |
| Electro-Frigo Inc. | Longueuil | Answering Machines & Equipment |
| Eliane Couture | Longueuil | Couture, COUTURE |
| Elka Coiffure | Longueuil | Beauty & Fitness, Hairdressers & Beauty Salons |
| Elyxium Spa Concept | Longueuil | Massage Therapy |
| Emerson Electric Canada Limited | Longueuil | Shopping Mall |
| Encan Showman | Longueuil | Auctions |
Publicité (Desktop) Publicité (Mobile) |
| Encre Multiple Ink | Longueuil | Computer Accessories & Supplies |
| Energie Cardio Boucherville-Longueuil | Longueuil | Fitness Gyms |
| Enertrak Inc | Longueuil | Air Purifiers, Tout Entreprises et services |
| Enjoliveur Taschereau Enr | Longueuil | Balancing Service |
| Enrouleur Simplicité Furler Enr. | Longueuil | Tout Entreprises et services |
| Enseignes Access | Longueuil | Tout Commerces au détail |
| Enterprise Location D'Autos | Longueuil | Car Rental |
| Enterprises B B M | Longueuil | Car Rental |
| Enterprises Cpm Inc | Longueuil | Car Rental |
| Entrepot De Matelas Haut De Gamme | Longueuil | Furniture Stores |
Publicité (Desktop) Publicité (Mobile) |
| Entreprises D'Evaluation Jc | Longueuil | Appraisers |
| Entreprises Jon Eakes Inc | Longueuil | Communications & Public Relations Consultants |
| Entreprises Millenium Plus Couvertures Millénium Plus | Longueuil | Roofing |
| Entretien et Mécanique St-Hubert Certifié Auto Service | Longueuil | Auto Repair Garages |
| Entretien Menager Trottier | Longueuil | Cleaning Services, Cleaning Service |
| Entretien Ménager Raissa | Longueuil | Cleaning Services, Cleaning Service |
| Entretien Pronick | Longueuil | Cleaning Services, Cleaning Service |
| Entretiens BLS | Longueuil | Chemical & Pressure Cleaning Systems |
| Equipements Haute Pression Ind | Longueuil | Chemical & Pressure Cleaning Systems |
| Eric Lemieux Massothérapeute | Longueuil | Massage Therapy |
Publicité (Desktop) Publicité (Mobile) |
| Erpm Inc. | Longueuil | Computer Networking |
| Espace B Coiffure | Longueuil | Beauty & Fitness, Hairdressers & Beauty Salons |
| Espace C | Longueuil | Communications & Public Relations Consultants |
| Espace de Collaboration Hedhofis | Longueuil | Business Centres |
| Essence+ de Canadian Tire | Longueuil | Beer & Ale |
| Esthétique Et Coiffure Chez-Soi | Longueuil | Beauty & Fitness, Hairdressers & Beauty Salons |
| Esthétique Huguette Turcotte | Longueuil | Beauty & Fitness, Beauty Institutes |
| Esthétique Manon Arguin et Ongles Mylène Mercier | Longueuil | Beauty & Fitness, Hairdressers & Beauty Salons |
| Estimatech | Longueuil | Appraisers |
| Etude | Longueuil | Bailiffs |
