Publishers
- Beaverbrook Newspapers Limited 7
- Beckton Transport Publishing 1
- Beddington, Carshalton & Wallington Archaeological Society 1
- Bedrock Press 1
- Bee Craft 1
- Beech Publishing House 1
- Beekay Publishers 1
- Beekman House 2
- Beginner Books 1
- Belford, Middlebrook & Co. 1
- Belhaven Press 4
- Belitha Press 1
- Belknap Press 1
- Bell & Daldy 2
- Bell & Hyman 1
- Bell & Hyman Ltd. 2
- Bell and Daldy 7
- Bellcode Books 1
- Bemrose & Sons 5
- Bemrose & Sons Limited 4
- Ben Griffin 1
- Benedikt Taschen 2
- Benn Brothers Limited 1
- Bentley Drivers Club Ltd. 1
- Berg 1
- Berger-Levrault 1
- Berghouse Floyd Tuckey Publishing Group 4
- Berkley Books 1
- Bernard & Graefe Verlag 1
- Bernard Jacobson 1
- Bernard McCall 7
- Bernard Quaritch 2
- Bernhard Kraus Schwab 1
- Bernhard Richter 1
- Bernhard Tauchnitz 1
- Berrow's International Publications Limited 1
- Bettany Press 1
- Bharathan 1
- Bibelot Publishers Limited 1
- Bickers & Son 5
- Bickers & Son Ltd. 1
- Bill Yoffee 1
- Binky Books 1
- Bird's Farm Books 1
- Birdlife International 3
- Birkhauser 4
- Birkhauser Verlag 1
- Birlinn Limited 5
- Birmingham City Council 1
- Birn Brothers 2
- Birn Brothers Ltd. 19
- Bison Books 3
- Bison Group 1
- Black Cat 1
- Black Country Society 1
- Black Dog Publishing 1
- Black Dwarf Publications 3
- Blackbarn Books 1
- Blackburn Aircraft Limited 1
- Blackfriars Press 1
- Blackie 31
- Blackie & Son 13
- Blackie & Son Ltd. 494
- Blackie And Son Limited 27
- Blackie Children's Books 5
- Blackwell 2
- Blackwell Publishers 1
- Blackwell Science 3
- Blackwell Scientific Publications 17
- Blades, East & Blades 2
- Bladon Publishing 1
- Blaisdell 1
- Blandford Press 17
- Blandford Press Ltd. 2
- Bliss, Sands & Co. 2
- Blitz Editions 3
- Blond Educational 1
- Bloomsbury 32
- Bloomsbury Books 14
- Bloomsbury Children's Books 6
- Bloomsbury Circus 1
- Bloomsbury Publishing Plc 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
- Bmj Publishing Group 1
- Board Of Commissioners Of Agriculture And Forestry 1
- Bob Englehart 1
- Bodleian Library 1
- Body And Breath, Inc. 1
- Boivin & Cie, Editeurs 1
- Bonanza 1
- Bonanza Books 1
- Bonechi 1
- Bonfini Press 4
- Bonhams 1
- Book Club 1