- Babysitting Service
- Backflow Testing
- Badges
- Bagels
- Bailiffs
- Baked Goods Wholesalers
- Bakeries
- Balancing Service
- Balconies
- Balloons
- Banks
- Banquet Rooms
- Barbecue Accessories
- Barbers
- Barges
- Barrels
- Bars
- Bartenders
- Baskets
- Bathroom Renovations
- Bearings
- Beauty Salons
- Beauty Schools
- Beauty Spas
- Bed and Breakfasts
- Bedding
- Beds
- Beer
- Beverage Bottlers
- Beverage Dealers
- Bicycle Stores
- Bingo Halls
- Birth Control Information Centres
- Bistros
- Blacksmiths
- Blasting Contractors
- Blowers
- Boat Builders
- Boat Covers
- Boat Dealers
- Boat Rental
- Boat Repair
- Boating Courses
- Body Art
- Boiler Service
- Boilers
- Book Publishers
- Book Stores
- Bookkeeping
- Boots
- Bottle Return Depots
- Boutiques
- Bowling
- Brake Linings
- Brasseries
- Breakfast Restaurants
- Brewers
- Brewing Supplies
- Bridal Shops
- Buffets
- Building Contractors
- Building Inspectors
- Building Maintenance
- Building Material Manufacturers
- Building Movers
- Building Supplies
- Bulk Water
- Bumpers
- Burger Restaurants
- Bus Charters
- Bus Lines
- Business Brokers
- Business Centres
- Business Forms
- Business Insurance
- Business Lawyers
- Business Management Consultants
- Business Organizations
- Butcher Shops
- Buttons