- Watkins Publishing
- Wattle Publishing
- White Pine Press
- Wildside Press
- Wiley
- William Morrow
- Willis Music Company
- Wine Appreciation Guild
- Wisdom Publications
- Wizards of the Coast
- Women's Press
- Wrox Press
- Y Lolfa: Welsh Books
- Yale University Press
- ZED BOOKS
- Zettler Kalenderverlag
- iUniverse
- teNeues Media