Publishers – K
- Kagemusha Taiko
- Kahn & Averill
- Kahnt
- Kahurangi
- Kalmus (Alfred)
- Kalymi Music
- Kamama Books
- Kameleon-Editions
- Kamera Books
- Kaplan Publishing
- Kapon Editions
- Kar-Ben
- Karma
- Karnac Books
- Karnak House
- Karolinum
- Kathode Ray Enterprises
- Kaye Nutman
- Kegan Paul
- Kehrer Verlag
- Kendall/Hunt Publishing Co
- Kendor Music Inc.
- Kendrick Books
- Kennedy And Boyd
- Kenny Parker Books
- Kensington Publishing
- Kent State University Press
- Kerber Verlag
- Kevin Chiles
- Kevin Mayhew
- Kevin McDormand
- Kew Publishing
- KG Saur Verlag
- Khmp Forlag
- Kicking Ink Recordings
- Kids Can Press
- Kilsallagh Press
- Kingfisher Books
- Kingmaker Publishing
- Kingston Imperial
- Kingsway Publications
- Kissfaq Publishing
- Kite Press
- Kjos Music Company
- Klamath County Museum
- Kluwer Academic Publishers Group
- KMEC Books
- KMW Studio
- Knight Bros.
- Knives Forks and Spoons
- Koala Publications
- Kobyhadrian Books
- Koc University Press
- Koch Verlag
- Koehler Books
- Kombit Media
- Korinthian Violins
- Koza Productions
- Krause Publications
- Kregel Publications
- Krimskrams Island
- Krystina Powells
- Kudu Publishing
- Kunstfactor
- Kunzelmann
- Kwela Books
- Kyle Books
- Kyle Craig Publishing
- Kymotto Music
