Publishers – M
Publishers: M. Evans & Co - Mills & Boon
- M. Evans & Co
- M.E. Sharpe
- M.P. Belaieff
- Macater Press
- MacLehose Press
- Macmillan
- Mad Creek Books
- Magic Cat Publishing
- Magpie
- Mainstream Publishing
- Make Community
- Manchester University Press
- Mandala Publishing Group
- Maney Publishing
- Mango Media
- Manic D Press, U.S.
- Manilla Press
- Manohar Publishers and Distributors
- Manor House Publishing Inc
- Mapin Publishing
- Marco Musica
- Marion Boyars Publishers
- Marix Verlag
- Mark Foster Music
- Mark O'Connor Musik International
- Marquand Books
- Marquette University Press
- Mary Go Wild
- Masala Noir
- Massey University Press
- Matador
- Matas Petrikas Digitale Produktionen
- Matthias Hohner
- Max Eschig
- Max Kade Institute
- McFarland & Co
- McGill-Queen's University Press
- McGraw-Hill
- McNidder & Grace
- McPherson & Co Publishers, U.S.
- Mdpi AG
- mdwPress
- Media Lab Books
- Medieval Institute Publications
- Medina Publishing
- Mel Bay Publications
- Melbourne Books
- Melbourne University Press
- Melos Musik
- Melville House
- Melville House Publishing
- Memoirs Publishing
- Memorial University Press
- MENC - The National Association for Music Education
- Mensch Publishing
- Meredith Music
- Mereo Books
- Meriwether Publishing, U.S.
- Merky Books
- Merrion Press
- Meta4Books
- Methuen Publishing
- Metropolis Business Publishing
- Metropolis Music Publications
- Metropolitan Museum of Art
- Michael Glazier
- Michael Joseph
- Michael O'Mara Books
- Michael Steen
- Michel Haddi Studio
- Michigan Publishing Services
- Michigan State University Press
- Microcosm Publishing
- Midsea Books
- Miegunyah Press, The
- Mike Warner
- Miles Kelly Publishing
- Milet Publishing
- Miller Freeman Books
- Mills & Boon
Publishers: Mimesis Edizioni - Mythoprint Publishing
- Mimesis Edizioni
- mineditionUS
- Minor Compositions
- Mint Editions
- Mirador Publishing
- Mirror Books
- Mirror Series
- Miss Rosen Editions
- Missouri Historical Society Press
- MIT Press
- Mitchell Beazley
- Modern Drummer Publications
- Modern Language Association of America
- Monacelli Press
- Monash University Publishing
- Mondadori
- Monkfish Book Publishing Company
- Monoray
- Monthly Review Press
- Moravian Museum, Brno
- Morgan James Publishing
- MorningStar Music Publishers
- Morpheus International, U.S.
- Mortimer
- Mortimer Children's Books
- Mortons Media Group
- Möseler Verlag
- Motilal Banarsidass
- Motorbooks
- Motorbooks International
- Mousse Publishing
- Mouton de Gruyter
- MTV Books
- Mudlark
- Munch Museum
- Mundo Arts
- Museum of Contemporary Art Detroit
- Museum of Fine Arts, Boston
- Museum of Modern Art
- Museum of New Mexico Press
- Museum Tusculanum Press
- Music Gift Portugal
- Music Hound
- Music Mentor Books
- Music Minus One
- Music Press Books
- Music Sales
- Musica Practica
- Musica Rara
- Musicalities
- Musicians Institute Press
- Musicom
- Musik & Theater
- Musik Fabrik
- Musikverlag Margarete Klotz
- Musikverlag Ortus
- Musikverlag Siegfried Rundel
- Musikverlag Wolfram Heinlein
- Musikwissenschaftlicher Verlag Wien
- Muska & Lipman Publishing
- Muswell Press
- Muzika
- MWK Verlag
- Mystic Seaport Museum Stores Inc.
- Mythoprint Publishing
