Publishers
- The Richards Press 4
- The Richards Press Ltd. 23
- The Richmond Publishing Co. Ltd. 1
- The Rifle Brigade Club And Association 1
- The Rissingtons Local History Society 1
- The Rockingham Press 2
- The Rolls House Publishing Co., Ltd. 1
- The Ronald Press Company 2
- The Royal Anthroplogical Institute Of Great Britain And Ireland 2
- The Royal Commission On The Ancient And Historical Monuments Of Scotland 2
- The Royal Green Jackets Museum Trust 1
- The Royal Historical Society 3
- The Royal Institute of British Architects 2
- The Royal Society 3
- The Royal Statistical Society 1
- The Royal Swedish Commission 2
- The Rubicon Press 2
- The Saalfield Publishing Company 3
- The Sabah Society 1
- The Salmon And Trout Association 1
- The Saturn Press 1
- The Scientific Book Club 1
- The Scientific Publishing Co. 1
- The Scottish Railway Preservation Society 1
- The Scout Association 5
- The Self Publishing Association Ltd. 4
- The Sheldon Press 7
- The Shetland Times 1
- The Shoe Lane Publishing Co. 1
- The Shoe String Press 1
- The Sidney Press 1
- The Simon Archery Foundation 1
- The Society 1
- The Society For Theatre Research 1
- The Society of Antiquaries 3
- The Society Of Antiquaries Of London 2
- The Society Of British Aerospace Companies Ltd 1
- The Society Of The Classic Guitar 2
- The Soman-Wherry Press Ltd. 1
- The Sound Approach 1
- The South Wales Institute Of Engineers 1
- The Sphere And Tatler 1
- The Sportsman's Press 5
- The Ss Uganda Trust 1
- The St. Margaret's Technical Press Limited 1
- The Stanborough Press Ltd. 2
- The Standfast Press 1
- The Stanmore Press 1
- The Starling Press 11
- The Stationery Office 1
- The Stephenson Locomotive Society 2
- The Stockton-On-Tees Railway Centenary Committee 1
- The Stonehill Publishing Company 3
- The Studio 4
- The Studio Limited 1
- The Studio Ltd. 1
- The Sunday School Union 8
- The Sunshine Press 2
- The Surtees Society 1
- The Syndicate Publishing Co. 1
- The Talbot Press Limited 1
- The Talyllyn Railway Preservation Society 1
- The Technical Publishing Co. Ltd. 1
- The Temple Press 3
- The Thames Publishing Co. 3
- The Tiger House Press 1
- The Tothill Press 13
- The Trade Papers Publishing Co. Ltd. 1
- The Trades Union Congress General Council 1
- The Transport Publishing Company 4
- The Travel Press & Publicity Co. 1
- The Tree Council 2
- The Trendine Press 1
- The Trustees Of The British Museum 1
- The Trustees Of The Fusiliers Museum Of Northumberland 1
- The Tryon Gallery 1
- The Tuttle, Morehouse & Taylor Company 1
- The University Of Arkansas Press 2
- The University of Georgia Press 5
- The University Press 1
- The University Press, Glasgow 2
- The Upper Eden History Society 1
- The Viking Press 4
- The Violet Needham Society 1
- The War Office 3
- The Warplane Wreck Investigation Group 1
- The Waterways Museum 2
- The Waverley Book Company Ltd. 2
- The Wellesbourne Village Society 1
- The Wellfleet Press 1
- The Welsh Outlook Press 2
- The Westminster Press 1
- The White Eagle Publishing Trust 1
- The Whitefriar's Press Ltd. 1
- The Wiggins Teape Group 1
- The William Herschel Society 1
- The Williams Press Limited 2
- The Wincanton Press 1
- The Windermere Nautical Trust 1
- The Windrush Press 1