Publishers
- Bemrose & Sons 4
- Bemrose & Sons Limited 3
- Ben Griffin 1
- Benedikt Taschen 1
- Benevenagh Books 1
- Benn Brothers Limited 1
- Bentley Drivers Club Ltd. 2
- Berg 2
- Berger-Levrault 1
- Bernard & Graefe Verlag 5
- Bernard Kaymar Ltd. 1
- Bernard McCall 1
- Bernardin-Bechet 1
- Bernhard Kraus Schwab 1
- Bernhard Richter 1
- Bernhard Tauchnitz 1
- Berrima District Historical And Family History Society 1
- BHS 1
- Bickers & Son 3
- Bickers & Son Ltd. 1
- Bird's Farm Books 1
- Birdlife International 3
- Birdworld 1
- Birkhauser 2
- Birkhauser Verlag 1
- Birlinn Limited 6
- Birmingham City Council 1
- Birn Brothers 2
- Birn Brothers Ltd. 22
- Bison Books 8
- Bison Group 1
- Black Belt Press 1
- Black Cat 2
- Black Dwarf Publications 1
- Blackfriars Press 1
- Blackie 18
- Blackie & Son 15
- Blackie & Son Ltd. 410
- Blackie Academic & Professional 1
- Blackie And Son Limited 36
- Blackie Children's Books 4
- Blackstaff Press 1
- Blackwell Publishers 1
- Blackwell Publishing 1
- Blackwell Science 5
- Blackwell Scientific Publications 17
- Blackwood Morton & Sons Ltd 1
- Blades, East & Blades 1
- Bladon Publishing 1
- Blaenau Gwent Heritage Forum 1
- Blandford 2
- Blandford Press 19
- Blandford Press Ltd. 5
- Bliss, Sands & Co. 1
- Blitz Editions 2
- Blockley Heritage Society 1
- Blond Educational 1
- Bloomsbury 35
- Bloomsbury Books 8
- Bloomsbury Children's Books 8
- Bloomsbury Publishing Plc 3
- Blorenge Books 6
- Bloud Et Gay 1
- Blue Book Publishing Company 1
- Blue Door 2
- Blumenthals Ltd 1
- Bma Cymru Wales 1
- Bmj Publishing Group 1
- Bob Englehart 1
- Bob Tuck 1
- Bodleian Library 1
- Boisterous Books Ltd 1
- Boivin & Cie, Editeurs 2
- Bonanza Books 1
- Bond Publications 1
- Bonechi 1
- Book Club 1
- Book Club Associates 20
- Book Guild Publishing 3
- Book Law Publications 20
- Bookano Strand Publications Ltd. 1
- Bookland Private Limited 3
- Booklaw Publications 2
- Booklaw Railbus 11
- Bookman Publishing 1
- Bookmarque Publishing 3
- Books UK Ltd. 1
- Booky Publisher 1
- Boolarong Publications 1
- Booth Museum Of Natural History 1
- Booth-Clibborn 2
- Boots the Chemists 3
- Bosch 1
- Bossiney Books 2
- Bothy Books 1
- Bound Biographies 1
- Bounty Books 6
- Boxtree Limited 1
- Bracken Books 9
- Bradbury 1