Publishers
- Touchstone Books 2
- Tourrett Publishing 2
- Towarzystwo Akcyjne 1
- Town & Country Press 1
- Town County Books 1
- Town House 1
- Town House & Country House 1
- Trackmaps 2
- Trade & Travel Publications 1
- Tramroad House 1
- Transatlantic Arts Limited 1
- Transatlantic Arts Ltd. 6
- Transport Bookman Publications 8
- Transport Treasury Publishing Ltd 1
- Transpress 1
- Transworld Publishers Ltd. 1
- Traplet Publications 1
- Travel Publishing 1
- Treasure Library 1
- Treasure Press 1
- Trefoil Books 1
- Trefoil Publications 1
- Trent Valley Publications 1
- Treowen Press 1
- Trevor A. Bevis 1
- Trevor Bevis 1
- Triangle Publishing 1
- Tribune 1
- Trident Press 1
- Trois Conils 1
- Trollius Publications 1
- Trondheim 1
- Trubner & Co. 1
- True North 2
- Tucann 1
- Tudor Journals 1
- Tudor Printing Works 1
- Tuna Roll Publications Ltd 1
- Tunbridge Wells High School 1
- Turbo Machinery 1
- Turner Publishing, Inc. 1
- Turntable Publications 3
- Turret Books 1
- Turton & Armstrong 1
- Turton & Chambers 1
- Tweenbrook Publishing 1
- Twelveheads Press 1
- Two Crows Books 1
- Two Hoots 2
- Two Lions 1
- Tyndall 1
- Tyne And Wear Museums 1
- Tyne Bridge Publishing 1
- Tynron Press 1