B
- Balmar
- Banjo
- Bao Long
- Battery Tender
- Bayou Classic
- Bearing Buddy
- Beau Mac
- Beckman Fishing Nets
- Beckson Marine
- Benchmade
- Bending Branches
- Bennett Marine
- Bentley's Manufacturing
- BEP Marine
- Bernard
- Biobor
- BJM Distributors
- Blue Fox
- Blue Sea Systems
- Blue-Ox
- Boat Bling
- Boat Leveler
- BoatBuckle
- BoatLIFE
- Bobs Machine
- BODI Company
- Body Glove
- Boeshield
- Bogs
- Boker
- Bomar / Pompanette
- Borg-Warner
- Boss Audio
- Bradley Smokers
- Brand Hydraulics
- Brist Corp
- Bristol Finish
- Brophy
- Brownell Boat Stands
- B.S. Fish Tales
- Bubba Blade
- Buck Algonquin / Hydrasearch
- Buffalo Industries
- Burt's Bees
- Bushings
- Bushnell
- Boretied
- Berkley
- Berne Apparel
- Bio-Kleen
- B&B Molders
- Bulletproof Nets