S
- SAGE Publications
- Sams Publishing
- St. Martin's Press
- Salt Publishing
- Schocken Books
- Scholastic Press
- Scribner (UK)
- Secker & Warburg
- Sensorotika Press
- Shambhala Publications
- Shire Books
- Shoemaker & Hoard Publishers
- Shuter & Shooter Publishers
- Sidgwick & Jackson
- Signet Books an imprint of New American Library
- Simon and Schuster
- Sounds True
- Sourcebooks
- South End Press
- SPCK
- Spinster's ink books
- Spottiswoode, an earlier form of Eyre & Spottiswoode
- Springer Science+Business Media (formally Springer Verlag)
- Stanford University Press
- The Stationery Office - Publishers of UK government publications etc. Was the printing arm of the HMSO.
- Stein and Day, defunct US publisher
- Summerwild Productions - a Canadian independent book publisher.
- Summit Media
- SUNY Press
- Sussex Academic Press
Read more about this topic: List Of English-language Book Publishing Companies