Publishers
- Beech Publishing House 2
- Beekay Publishers 2
- Beekman House 2
- Beginner Books 1
- Behemoth Publishing 1
- Belford, Middlebrook & Co. 1
- Belhaven Press 4
- Belitha Press 1
- Bell & Daldy 2
- Bell & Hyman Ltd. 2
- Bell and Daldy 7
- Bellcode Books 2
- Bellona Publications Limited 1
- Bemrose & Co. 1
- Bemrose & Sons 5
- Bemrose & Sons Limited 3
- Ben Griffin 1
- Benedikt Taschen 2
- Benn Brothers Limited 1
- Bentley Publishers 1
- Berg 2
- Berger-Levrault 1
- Berkley Books 1
- Bernard & Graefe Verlag 1
- Bernard McCall 1
- Bernard Quaritch 1
- Bernardin-Bechet 1
- Bernhard Kraus Schwab 1
- Bernhard Richter 1
- Bernhard Tauchnitz 1
- Bettany Press 1
- Beyond Words 1
- Bharathan 1
- Bickers & Son 5
- Bickers & Son Ltd. 1
- Biggar & Co. (publishers) Ltd. 1
- Bioline 1
- Bird's Farm Books 1
- Birdlife International 2
- Birdworld 2
- Birkhauser 3
- Birkhauser Verlag 1
- Birlinn Limited 5
- Birmingham City Council 1
- Birn Brothers 3
- Birn Brothers Ltd. 23
- Bishopsgate Press 1
- Bison Books 4
- Bison Group 1
- Bivouac Books 3
- Black Belt Press 1
- Black Cat 1
- Black Dog & Leventhal 1
- Black Dog Publishing 1
- Black Dwarf 1
- Blackbarn Books 1
- Blackfriars Press 1
- Blackie 24
- Blackie & Son 14
- Blackie & Son Ltd. 428
- Blackie And Son Limited 24
- Blackie Children's Books 4
- Blackstaff Press 1
- Blackwell 1
- Blackwell Science 4
- Blackwell Scientific Publications 17
- Blackwood Morton & Sons Ltd 2
- Blackwood, Le Bas & Co. 1
- Blades, East & Blades 1
- Bladon Publishing 1
- Blandford Press 20
- Blandford Press Ltd. 3
- Bliss, Sands & Co. 1
- Blitz Editions 2
- Blond Educational 1
- Bloomsbury 44
- Bloomsbury Books 14
- Bloomsbury Children's Books 8
- Bloomsbury Press 1
- Bloomsbury Publishing Plc 3
- Blorenge Books 3
- Bloud Et Gay 1
- Blue Book Publishing Company 1
- Blue Door 1
- Bluebell Railway Preservation Society 1
- Blumenthals Ltd 1
- Bmj Publishing Group 1
- BMW Group Mobile Tradition 1
- Bob Englehart 1
- Boivin & Cie, Editeurs 2
- Bonanza Books 1
- Bond Publications 1
- Bonechi 1
- Bonfini Press 2
- Book Club 1
- Book Club Associates 25
- Book Guild Publishing 3
- Book Law Publications 16
- Bookano Strand Publications Ltd. 1
- Bookland Private Limited 3