Publishers
- Baumgartners Buchhandlung 1
- Bay View Books 4
- BBC 18
- BBC Books 5
- Bbpress 1
- BCA 3
- Beaufoy Books 1
- Beaulieu Books 2
- Beaver Books 1
- Beaver Publishing Limited 1
- Beaverbrook Newspapers Limited 6
- Beckton Transport Publishing 1
- Beddington, Carshalton & Wallington Archaeological Society 1
- Bedfordshire County Council 1
- Bedrock Press 1
- Bee Books New & Old 1
- Bee Craft 3
- Beech Publishing House 1
- Beekay Publishers 1
- Beekman House 1
- Beginner Books 2
- Belford, Middlebrook & Co. 1
- Belhaven Press 5
- Belitha Press 1
- Belknap Press 2
- Bell & Daldy 2
- Bell & Hyman 1
- Bell & Hyman Ltd. 2
- Bell and Daldy 6
- Bellcode Books 1
- Bemrose & Sons 5
- Bemrose & Sons Limited 5
- Ben Griffin 1
- Benedikt Taschen 2
- Benn Brothers Limited 1
- Bentley Drivers Club Ltd. 2
- Bentley Films Limited 1
- Berg 1
- Berger-Levrault 2
- Berghouse Floyd Tuckey Publishing Group 5
- Berkley Books 1
- Bernard & Graefe Verlag 1
- Bernard Jacobson 1
- Bernard McCall 1
- Bernard Quaritch 1
- Bernhard Kraus Schwab 1
- Bernhard Richter 1
- Bernhard Tauchnitz 1
- Berrow's International Publications Limited 1
- Bettany Press 1
- Bharathan 1
- Bibliotheque D'Education Et De Recreation 1
- Bickers & Son 5
- Bickers & Son Ltd. 1
- Biggar & Co. (publishers) Ltd. 1
- Bill Yoffee 1
- Binky Books 1
- Bioline 1
- Bird's Farm Books 1
- Birdlife International 3
- Birkhauser 4
- Birkhauser Verlag 1
- Birlinn Limited 3
- Birmingham City Council 1
- Birn Brothers 4
- Birn Brothers Ltd. 18
- Bison Books 2
- Bison Group 1
- Black Cat 1
- Black Dwarf Publications 4
- Blackfriars Press 1
- Blackie 35
- Blackie & Son 14
- Blackie & Son Ltd. 513
- Blackie And Son Limited 27
- Blackie Children's Books 5
- Blacklock Farries and Sons Ltd. 1
- Blackwell 3
- Blackwell Publishers 1
- Blackwell Science 2
- Blackwell Scientific Publications 15
- Blades, East & Blades 2
- Bladon Publishing 1
- Blaisdell 1
- Blandford Press 21
- Blandford Press Ltd. 2
- Blantyre Print And Publishing 1
- Bliss, Sands & Co. 2
- Blitz Editions 2
- Blond Educational 1
- Bloomsbury 34
- Bloomsbury Books 16
- Bloomsbury Children's Books 5
- Bloomsbury Circus 1
- Blorenge Books 3
- Bloud Et Gay 1
- Blue Book Publishing Company 1
- Blue Rock Publications 1
- Bluebell Railway Preservation Society 2
- Blumenthals Ltd 1