Publishers
- Student Christian Movement Press 1
- Studio Editions 8
- Studio Vista 3
- Sudwest 1
- Suffolk County Council 1
- Suffolk Naturalists' society 1
- Sully & Kleinteich 1
- Sunbird Publishers 1
- Sunburst Books 1
- Sunshine Publishing Company 1
- Superprofile Ltd. 2
- Surrey Wildlife Trust 2
- Survey Of Cardiff 2
- Sutton Publishing 25
- Svensk Byggtjanst 1
- Swan Hill Press 9
- Swan Sonnenschein & Co. 1
- Swan Sonnenschein & Co. Ltd. 2
- Swan Sonnenschein, Lowrey & Co. 1
- Swansea Cricket & Footbal Club 1
- Swansea Philatelic Society 1
- Swedish Aviation Historical Society 1
- Swedish Natural Science Research Council 2
- Sydenham & Co. 1
- Sydney Lee 1
- Sylvan Press 3
- Synapse Gb Ltd. 1
- Synomic 1
- Syrawood Publishing House 2
- T. & A. Constable 1
- T. & A.D. Poyser 33
- T. Allman 1
- T. Buncle & Co. 1
- T. Buncle & Co. Ltd. 1
- T. Cadell 2
- T. Cadell and W. Davies 2
- T. Carnan 1
- T. Egerton 3
- T. Fisher Unwin 13
- T. Fisher Unwin Ltd. 1
- T. Gee 1
- T. Nelson & Sons 25
- T. Nelson & Sons Ltd. 3
- T. Richards 1
- T. Smart 1
- T. Tegg 1
- T. Waller 1
- T. Werner Laurie 1
- T. Werner Laurie Ltd. 5
- T. Woolmer 1
- T.C. & E.C. Jack 15
- T.C. & E.C. Jack Ltd. 11
- T.E. Schuster 2
- T.F.H. Kingdom 2
- T.F.H. Publications Ltd. 1
- T.J. Allman 1
- T.L. Ainsley 1
- T.M.R.S. 1
- T.N. Foulis 4
- T.V. Boardman & Co. Ltd. 1
- T.V. Boardman & Company Limited 2
- T.Y. Crowell & Co. 1
- TAB Books 1
- Tabb House 1
- Tally-Ho Books 1
- Tamarind Ltd. 1
- Tango Books 10
- Tank Archives Press 1
- Tankograd Publishing 1
- Taplinger Publishing Co., Inc. 1
- Tarquin 1
- Taschen 7
- Tate Gallery 6
- Tate Publishing 3
- Tauris Academic Studies 2
- Tavistock Publications 1
- Taylor & Francis 3
- Taylor Publishing Company 1
- Ted Smart 13
- Tegg, Wise & Tegg 1
- Telensky International Editions Limited 1
- Tempest Associates Limited 1
- Templar Publishing 3
- Temple Lodge Publishing 1
- Temple Nostalgia 1
- Temple Press 4
- Temple Press Limited 4
- Temple Smith 1
- Tempus 30
- Tempus Publishing Ltd 18
- Tenby Museum 1
- Tennessee University Press 1
- Tentmaker Publications 1
- Teredo Books 2
- Terence Dalton Limited 6
- Tern Press 1
- Terry Underwood 4
- Tess Press 1
- Teton Newmedia 1
- Text & Technik Verlag 1