Publishers
- Audi Ag 1
- Augener Ltd. 14
- Augustus M. Kelley 2
- Aurora Art Publishers 3
- Aurora Publications Limited 2
- Aurum Press 5
- Australian Digest Pty. Ltd. 1
- Australian Publicity Council 1
- Australian War Memorial 2
- Autobooks Ltd. 1
- Autobus Review Publications 3
- Autocritica 1
- Automobile Year 1
- Automobilia 10
- Autopress 3
- Autosport 1
- Autotechnica 4
- Aventinum 1
- Avia Books Ltd. 1
- Aviation Supplies And Academic, Inc 1
- Aviation-Usk 1
- Avon - Anglia Publications & Services 1
- Avon Gloucestershire And Somerset Environmental Monitoring Committee 1
- Avots 1
- Award Publications 6
- B. Arthaud 1
- B. Finch & Co. Ltd. 1
- B.B. Ltd. 12
- B.G. Teubner 3
- B.T. Batsford 35
- B.T. Batsford Ltd. 29
- Babcock and Wilcox 1
- Back To Front 1
- Bailey Brothers and Swinfen Ltd. 1
- Bailey Newspaper Group 1
- Bairns Books 1
- Bairns Books Ltd. 1
- Baldwin And Cradock 1
- Balfour Publications 1
- Ballantine Books 1
- Ballantyne, Hanson & Co. 1
- Balzer And Bray 2
- Bancroft & Co. Ltd. 3
- Bancroft & Co.(Publishers) Ltd. 13
- Bantam Books 3
- Bantam Press 5
- Barbican Art Gallery 1
- Barefoot Books 3
- Barnard, Roberts & Co. Inc 3
- Barnes & Noble Books 2
- Barnes & Noble Inc. 1
- Barny Books 1
- Baron Books 1
- Barracuda Books 18
- Barre Publishers 1
- Barricade Books Inc. 1
- Barrie & Jenkins 5
- Barrie & Rockliff 1
- Barrie Law 1
- Barrington Stoke Ltd. 1
- Barron's 3
- Barron's Educational Series 2
- Barry Printing And Publishing Co. Ltd. 1
- Barthes And Lowell 1
- Bartletts Press 1
- Barton Publishers 1
- Basic Books 3
- Basil Blackwell 25
- Bath City Council 1
- Bath University Press 1
- Baton Transport 2
- Battle Of Britain Historical Society 1
- Battle Of Britain International Limited 2
- Battle of Britain Prints International Ltd. 6
- Baudouin Freres 1
- Baumgartners Buchhandlung 1
- Bay View Books 12
- BBC 12
- BBC Books 6
- Bbpress 1
- BCA 1
- Beaufoy Books 1
- Beaulieu Books 3
- Beaver Books 1
- Beaver Publishing Limited 2
- Beaverbrook Newspapers Limited 7
- Beckton Transport Publishing 1
- Beddington, Carshalton & Wallington Archaeological Society 1
- Bedrock Press 1
- Beech Publishing House 1
- Beekay Publishers 2
- Beekman House 2
- Beginner Books 1
- Belford, Middlebrook & Co. 1
- Belhaven Press 4
- Belitha Press 1
- Bell & Daldy 2
- Bell & Hyman Ltd. 2
- Bell and Daldy 9
- Bellcode Books 1