Publishers
- Boivin & Cie, Editeurs 2
- Bolton Museum And Art Gallery 1
- Bonanza Books 1
- Bond Publications 1
- Bonechi 1
- Bonfini Press 1
- Book Club 1
- Book Club Associates 24
- Book Guild Publishing 3
- Book Law Publications 15
- Book World 1
- Bookano Strand Publications Ltd. 1
- Bookland Private Limited 3
- Booklaw Publications 2
- Booklaw Railbus 4
- Bookman Publishing 1
- Bookmarque Publishing 3
- Books For Children 1
- Books UK Ltd. 1
- Boolarong Publications 1
- Booth Museum Of Natural History 1
- Booth-Clibborn 3
- Boots the Chemists 3
- Bosch 2
- Bossiney Books 3
- Bothy Books 1
- Bound Biographies 1
- Bounty Books 9
- Bountyhunter Publications 1
- Boxtree 1
- Boxtree Limited 2
- Bracken Books 9
- Bradan Publishing 2
- Bradbury & Evans 3
- Bradbury Press 3
- Bradbury, Agnew & Co. 2
- Bradbury, Agnew & Co. Ltd. 5
- Bradford Barton 2
- Bradley Publications Of Hull 1
- Bramhall House 1
- Bramley Books 4
- Brassbounders (publishing) 1
- Brassey's 13
- Brassey's Defence Publishers 1
- Braun & Schneider 1
- Brecknock Museum 1
- Breedon Books Publishing Co. 11
- Brehmer & Minuth 1
- Brent Press Ltd 2
- Brentano's 2
- Brentano's Ltd 1
- Brevet Press 1
- Brewin Books 3
- Brian A.F. Elks 1
- Brian Bridgeman 1
- Brian Trodd 2
- Bridge Books 2
- Brill 7
- Brimax Books 2
- Bristol and Gloucestershire Archaeological Society 5
- Bristol Branch Of The Historical Association 1
- Bristol City Council 1
- Bristol Printers Ltd. 1
- Bristol Record Society 2
- British Association for the Advancement of Science 2
- British Aviation Publications Ltd 1
- British Aviation Research Group 1
- British Books Ltd. 1
- British Broadcasting Corporation 2
- British Bryological Society 1
- British Bus Publishing 2
- British Electrical Development Association 1
- British Gas Council 1
- British Geological Survey 1
- British Leyland 2
- British Mountaineering Council 1
- British Museum 5
- British Museum (Natural History) 2
- British Museum Press 1
- British Museum Publications 5
- British Ornithologists' union 25
- British Railways 2
- British Railways Board 1
- British Steel Corporation 2
- British Transport Commission 1
- British Trust for Ornithology 22
- Broads 1
- Brockhampton Press 109
- Brockhampton Press Ltd. 36
- Brooke Bond 1
- Brooke Bond Oxo 1
- Brooklands Books 19
- Brooks Cole 2
- Brookside Publishing 1
- Browcom Group Plc. 2
- Brown & Bibby 1
- Brown & Co. 1
- Brown and Brown 1
- Brown Fox Books 1
- Brown Watson 4