- Biz
- Broan
- Bee Seasonal
- Big Blue
- Blind Spot Gear
- Bayco
- Blizzard Pro
- Boston Rare Maps
- Big Rock Supply
- BestPush
- Betco
- Bubba Rope
- Bel-Art
- Botanicare
- Bogue Milk Soap
- Bogleech
- Best Choice
- Better Oats
- Beanitos
- Busch's
- Belgioioso
- Banquet
- Brown Cow
- Best Foods
- Buitoni
- Button Shy Games
- Board Game Extras
- Bacon's Heir
- Buddy By The Sea
- Bark Industry
- Baru
- Barnabylane
- Bassett Mirror
- BarcaLounger
- Bridgman
- Basement Finishing University
- Bauhaus
- Blinds and Wallpaper Wholesaler
- Bell Plantation
- Bare Candle Company
- Bambo Nature by ABENA
- Basil Hayden's
- Ballantine's
- Boom!
- Baby Moc Shop
- Baby Sense
- BreathableBaby
- B-X Vapor
- BFC Creations
- Brewtality
- Black Wolf Brewery
- Behind the Bar
- Bloomingmore
- Beth Chatto
- Big Plant Nursery
- Badger Airbrush
- Bernzomatic
- Bang Curry
- BioPedic
- Bristol Novelty
- Buster Rhino's
- BuonItalia
- Blk & Bold
- Baby Comfy Care
- Beautiful Bambino Online
- Bamboo Juices
- Beer Bong
- Beistle
- Barsetto
- Blix
- Bella Housewares
- Brewbot
- Brewie
- Bräu Supply
- BREWHA Equipment
- Brew-Boss
- Bobo and Nana
- Bold Lead Designs
- Buah
- Bullfrog Spa Parts