| Bleu De Plume | Longueuil | Beds |
| Boardwalk - Domaine D'Iberville Apartments | Longueuil | Camps |
| Boflex | Longueuil | Aluminum Products |
| Boflex - Imperial | Longueuil | Life Sciences and Health Technologies (LSHT) |
| Bois de Champbellé | Longueuil | Apartments |
| Boja Pneus | Longueuil | Balancing Service |
| Bonheur En Soie Inc | Longueuil | Clothing Manufacturers & Wholesalers |
| Bonita Beauty Studio - Rive Sud | Longueuil | Beauty & Fitness, Hairdressers & Beauty Salons |
| Bopied | Longueuil | Boots |
| Bosch Rexroth Canada Corp. | Longueuil | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Boucherie Aux Saveurs Des Sévelin | Longueuil | Butcher Shops |
| Boucherie El Ihcene | Longueuil | Butcher Shops |
| Boucherie Sevelin | Longueuil | Butcher Shops |
| Boulangerie du Pain Frais | Longueuil | Bagels |
| Boulangerie Longueuil | Longueuil | Bagels, Bakeries |
| Boulangerie Pâtisserie Confiserie Scilis | Longueuil | Bakeries |
| Boulangeries Weston (Québec) Inc | Longueuil | Baked Goods Wholesalers |
| Boulangeries Weston Québec Ltée | Longueuil | Agri-food |
| Bouquet & Brindille | Longueuil | Baskets |
| Bourassa Jodoin Evaluateurs | Longueuil | Business Valuation |
Publicité (Desktop) Publicité (Mobile) |
| Boutique Chaleur | Longueuil | Tout Entreprises et services |
| Boutique Chantal B | Longueuil | Boutiques |
| Boutique Gaby Corsetière | Longueuil | Boutiques |
| Boutique Le Tambourin | Longueuil | Child Care Equipment & Supplies |
| Boutique Mondo Bimbi | Longueuil | Boutiques |
| Boutique Mère et Mousses | Longueuil | Children's Clothing Stores |
| Boutique Orange Metallique | Longueuil | Candles |
| Boutique Vidéotron | Longueuil | Cable TV Providers |
| Brailletab | Longueuil | Not Profit, library, Library |
| Brasserie Du Sud | Longueuil | Bars, Brasseries |
Publicité (Desktop) Publicité (Mobile) |
| Brasserie L'Excentrique | Longueuil | Bars, Brasseries |
| Brasserie Tremblay | Longueuil | Bars, Brasseries |
| Breton Ruest | Longueuil | Accountants |
| Brian Xavier | Longueuil | Pharmacy |
| Briocherie Utica Inc | Longueuil | Coffee Shops |
| Browsbysamira | Longueuil? | Beauty & Fitness, Hairdressers & Beauty Salons |
| Bucca Sante Dentaire | Longueuil | Tout Entreprises et services |
| BUCCA santé dentaire | Longueuil | Dentists |
| Buffet casse-croute Lady-Christine | Longueuil | Buffets |
| Bumper to Bumper Auto Service - Les Entreprises Donald Viens et Fils Inc. | Longueuil | Car Brake Service |
Publicité (Desktop) Publicité (Mobile) |
| Bungalow Bar Salon | Longueuil | Bars |
| Bébé Bagatelle | Longueuil | Clothing Stores |
| C A I J | Longueuil | Not Profit, library, Library |
| C A R M | Longueuil | Churches & Other Places of Worship |
| C Couture | Longueuil | Couture, COUTURE |
| C.F.P Charlotte-Tassé | Longueuil | Camps |
| CAA | Longueuil | Associations |
| Cafeteria Kevin | Longueuil | Coffee Stores |
| Café Dépôt Tour SSQ | Longueuil | Coffee Shops |
| Café Sé-Bon | Longueuil | Coffee Stores |
