Opar Press
1 publication
1973
Publisher directory
REH Publications 1.3.35
Publishers
Browse publishers, imprints and publishing organizations represented in the REH Publications catalogue.
Oppian
8 publications
2019–2025
Opta (See notes)
2 publications
Orbit
7 publications
1976–1990
Orecchio Acerbo Editore
1 publication
2019
Original Watts
4 publications
2024
Oxford City Press
2 publications
2011–2012
Oxford University Press
3 publications
1994–2003
Ozymandias Press
13 publications
2016
Paizo Publishing
1 publication
2008
Pan/Ballantine
1 publication
1971
Panini Comics
1 publication
2024
Panini España S. A.
2 publications
2022
Panther
8 publications
1964–1979
Panther Books
1 publication
1975
Panther's Cage
2 publications
2005
Paradox Entertainment Inc.
32 publications
2007–2012
Parallel Universe Publications
1 publication
2015
Partenon
1 publication
2016
Passage Publishing
4 publications
2024
Paul Herman
1 publication
Penguin Books (UK)
1 publication
2009
Penguin Classics
2 publications
2007–2013
Perennial Press
10 publications
2015–2016
Peter Haddock
3 publications
1972
Peter Pan
1 publication
1982
Peter Smith Publishing
1 publication
1975
Phantagraph Press
1 publication
1967
Phantasmo Press
1 publication
2016
Phoenix Könyvkiadó
3 publications
1991–1993
Piccadilly Press
1 publication
2014
Pictus (Argentina)
1 publication
2013
Pierre Charles
1 publication
Pipoca e Nanquim
13 publications
2017–2026
Planeta Cómic
10 publications
2022–2026
Planeta DeAgostini (Spain)
1 publication
2007
Pluricom
1 publication
1999
Pocket Books
1 publication
1992
Polaris
1 publication
1994
Polskie Stowarzyszenie Miłośników Fantastyki
1 publication
1986
Polymancer Studios, Inc.
1 publication
2010
Pomorze (Pomerania)
1 publication
1990
Popular Fiction Publishing Company
121 publications
1925–1939
Popular Publications, Inc.
4 publications
1936–1953
Populibros La Prensa (Mexico)
1 publication
1956
Portal Ediciones (Spain)
3 publications
2025–2026
Power Records
2 publications
1976
PR Põhjarannik
1 publication
1997