Publishers – H
Publishers: H Cube - Hinshaw Music
- H Cube
- Hachette
- Hachette Audio
- Hackett Publishing Co, Inc
- Hal Leonard
- Haldane Mason
- Hamilcar Publications
- Hamilton Books
- Hammeron Press
- Hammonasset House Books
- Hammond Textbooks
- Hampton Press
- Handelsware
- Handheld Press
- Handspring Publishing
- Hansebooks
- Hansib Publications Limited
- Harbour Books (East)
- Harcamlow Press
- Hardie Grant Books
- Harmonia
- Harper
- Harper Design
- Harper Fire
- Harper Inspire
- HarperCollins
- HarperFestival
- HarperNorth
- HarperOne
- HarperPerennial
- Hart Publishing House
- Harvard Department of the Classics
- Harvard University Press
- Harvey Miller Publishers
- Harwood-Academic Publishers
- Hat & Beard
- Hatje Cantz
- Haus Publishing Limited
- Hawes Music
- Hawksmoor Publishing
- Hawthorn Press
- Hay House Inc
- Haymarket Books
- Haynes Publishing
- Hays (Nicolas) Ltd , U.S.
- Hazan
- Hazy Dell Press
- Hdw Publications
- Head of Zeus
- Headline Book Publishing
- Headline Home
- Headline Publishing Group
- Headline Review
- Headpress
- Healing Arts Press
- Health Professions Press
- Heathway Press
- Hedingham Fair
- Heinemann
- Helion & Company
- Helter Skelter Publishing
- Heni Publishing
- Henle Verlag
- Henry Bradshaw Society
- Herb Lester Associates
- Herbert & Cie Lang
- Herbert Press
- Heritage House Publishing Co
- Heritage Music Press
- Hertfordshire Publications
- Hetmoet-Menard
- Heugel
- Heuwekemeijer Muziekuitgeverij
- Hey Presto Strings
- Heyday Publishing
- Highbury Safika Media
- HigherLife
- Hinkler Book Distributors
- Hinrichsen
- Hinshaw Music
Publishers: Hinton House - Hyperion
- Hinton House
- Hips Road
- Hirmer Verlag
- Hisarlik Press
- Historic England
- Historic New Orleans Collection
- Historika
- History Press
- Histria
- Hodder & Stoughton
- Hoeflich
- Hoffnung Partnership
- Hofmeister
- Hogarth
- Holders Hill
- Holiday House
- Holy Trinity Publications
- Home Brew Press
- Hong Kong University Press
- Hoover Institution Press
- Hope Publishing Company
- Hot Press Books
- Houghton Library of the Harvard College Library
- Houghton Mifflin
- House of Anansi Press
- House of Joy Publishing
- Houston Publishing, Inc.
- HQ
- HSRC Press
- Hub City Press
- Hudson Music
- HUG Musikverlage
- Human Kinetics Publishers
- Humana Press
- Humm Publishing
- Hungry Minds, Inc
- Hunter House Inc., U.S.
- Hunter Press
- Hutchinson
- Hyperion