Manufacturers
- B & K Manufacturing Company
- Ballantine
- Bally Manufacturing Corporation
- Bang & Olufsen
- Barker & Williamson
- Barlow Wadley
- Bauknecht
- BBC Goerz Metrawatt
- Becker
- Beckman Industrial
- Behringer Spezielle Studiotechnik GmbH
- Beko
- Belles Research Corporation
- Bendix Radio
- Benefon
- BenQ
- Bernina
- Biomation
- Bionaire
- Bird Electronic Corporation
- BK Precision
- Black & Decker
- Black Box
- Blaupunkt
- Bliley Electric Company
- Bloomberg
- Boonton Electronic
- Bose
- Boss
- Braun
- British Military
- Broksonic
- Brookdeal
- Brother
- Brüel & Kjær
- Bryston
- BWD Electronics
