 N. S. Hardy Canada | 1 | 1891 |
 N.J. International Inc. USA | 2 | 1991 |
 N.S.W. Bookstall Co. Australia | 1 | 1908 |
 N.V. Scriptoria Antwerpen Belgium | 2 | 1981 - 1986 |
 N.W. Damm & Søn Norway | 2 | 1972 - 1994 |
 N/K Finland | 1 | 1967 |
 Nagel & Kimche Switzerland | 1 | 2018 |
| Nagel Publishers International | 1 | 1966 |
 NAi Uitgevers Netherlands | 1 | 2006 |
 Naïve France | 1 | 2008 |
| NAL USA | 3 | 1989 - 2013 |
 Naldrett Press UK | 1 | 1960 |
| Nan A. Talese USA | 2 | 2006 - 2014 |
| Naprijed Yugoslavia | 1 | 1965 |
 Narcis Romania | 1 | 1992 |
 Narodna Kultura Bulgaria | 22 | 1955 - 1990 |
| Narodna Mladezh Bulgaria | 13 | 1955 - 1987 |
| Naše Vojsko Czechoslovakia | 1 | 1959 |
| Nation Books USA | 1 | 2012 |
| Nation Publishing Canada | 1 | 1903 |
| National Association For Constitutional Government USA | 1 | 1923 |
| National Association Of Watch And Clock Collectors, Inc. USA | 2 | 1996 - 1998 |
| National Books USA | 3 | 1950 - 1951 |
| National Capital Commission / Commission De La Capitale Nationale Canada | 1 | 1979 |
| National Capital Trolley Museum Gift Shop USA | 1 | 1978 |
| National Council Of Teachers Of Mathematics USA | 1 | 1971 |
| National Extension College Trust Limited UK | 1 | 1981 |
| National Film Board Of Canada Canada | 1 | 1991 |
| National Geographic USA | 7 | 2003 - 2016 |
| National Geographic Kids USA | 1 | 2015 |
| National Geographic Society USA | 1 | 2008 |
| National Model Railroad Association USA | 1 | 2002 |
 National Museet Denmark | 1 | 1965 |
| National Museums Of Scotland UK | 1 | 1989 |
| National Park Service, U.S. Department Of The Interior USA | 2 | 1969 - 1978 |
| National Park Services, U.S. Department Of The Interior USA | 1 | 1974 |
| National Portrait Gallery UK | 1 | 2006 |
| National Portrait Gallery Publications UK | 1 | 2023 |
| National Railway Historical Society, Inc & Electric Railway Association, Inc. USA | 1 | |
| National Rock N Roll Archives USA | 2 | 1988 - 1991 |
| National Society's Depository UK | 1 | 1899 |
| National Trolleybus Association / British Trolleybus Society UK | 1 | 1974 |
| National Trust UK | 3 | 2019 - 2023 |
| Nationale Postcode Loterij Netherlands | 3 | 2022 - 2024 |
 Nationalmuseum Sweden | 1 | 2006 |
| Natula UK | 4 | 2007 - 2013 |
| Natur Och Kultur Sweden | 33 | 1955 - 2017 |
| Natural History Museum UK | 1 | 2006 |
| Nature Saskatchewan Canada | 1 | 2005 |
| Nauck's Vintage Records USA | 1 | 1992 |
 Naumann & Göbel Germany | 15 | 1956 - 1997 |
| Nautilus Germany | 1 | 2005 |
 NAVA Czech Republic | 3 | 2005 |
| Naval And Military Press UK | 1 | 2013 |
| Naval Institute Press USA | 1 | 1972 |
| Nb Filmverlag Germany | 1 | 2009 |
| NBM Graphic Novels USA | 1 | 2018 |
| Nebel Germany | 1 | 1988 |
| Nedac Sorbo Bv Netherlands | 1 | |
| Nederland Leest Netherlands | 1 | 2008 |
| Nederlandse Spoorwegen Netherlands | 1 | 1989 |
| Negro Universities Press USA | 2 | 1969 - 1970 |
| Neil Wilson Publishing UK | 1 | 2009 |
| Nelson UK | 2 | |
| Nelson USA | 1 | 1976 |
| Nelson Books USA | 1 | 2017 |
| Nelson Doubleday USA | 8 | 1971 - 1982 |
 Nelson Petrini Italy | 1 | 1990 |
| Nemira Romania | 53 | 1991 - 2022 |
| Nemo Finland | 2 | 2002 - 2017 |
| NEMS Enterprises UK | 1 | 1964 |
| Neptune USA | 1 | 2015 |
| Neri Pozza Italy | 13 | 2003 - 2019 |
| NESFA Press USA | 3 | 1993 - 2004 |
| Ness Publishing UK | 1 | 2015 |
| Nest Verlag Germany | 2 | 1949 - 1962 |
| Net-clip-verlag Germany | 1 | 2013 |
| Neue Presse Coburg Germany | 1 | 1990 |
 Neuen Kaiser Verlag, Klagenfurt Austria | 3 | 1956 |
| Neuer Honos Verlag Germany | 1 | |
| Neuer Jugendschriften-Verlag, Hannover Germany | 26 | 1955 - 1984 |
| Neuer Malik Verlag Germany | 2 | 1992 - 1995 |
| Neues Deutschland Berlin East Germany | 1 | 1964 |
| Neufeld & Henius Verlag, Berlin Germany | 3 | |
| Neville Ness House UK | 2 | 2015 - 2016 |
| Neville Spearman UK | 1 | 1963 |
| Neville Spearman (Jersey) Ltd. UK | 1 | 1976 |
| New Age Publishing USA | 1 | 2024 |
| New American Library USA | 4 | 1968 - 1986 |
| New Avon Library Canada | 1 | 1943 |
| New Breed Publishing UK | 2 | 1997 - 1998 |
| New Burlington UK | 3 | 2018 - 2020 |
| New Burlington Books UK | 1 | 2015 |
| New Century Publishers, Inc. USA | 2 | 1982 - 1983 |
| New Chapter Press USA | 1 | 2008 |
| New Directions USA | 15 | 1961 - 2021 |
| New England Electric Railway Historical Society, Inc. USA | 1 | 1986 |
| New English Library UK | 453 | 1966 - 2004 |
| New English Library / Hodder & Stoughton UK | 38 | 1974 - 1998 |
| New English Library / Hodder-Headline UK | 3 | 1994 - 1995 |
| New Falcon Publications USA | 2 | 1999 - 2002 |
| New Fiction Press UK | 9 | 1951 - 1953 |
| New Generation Publishing UK | 1 | 2009 |
| New Harbinger USA | 1 | 2015 |
| New Haven Publishing UK | 4 | 2021 - 2023 |
| New Holland UK | 5 | 2002 - 2007 |
| New Holland International | 1 | 2002 |
| New Holland Australia | 1 | 2005 |
| New Holland Publishers Australia | 1 | 2005 |
| New Horizon Press USA | 1 | 2008 |
| New Infinities / Ace USA | 1 | 1987 |
| New Internationalist Publications UK | 1 | 1990 |
| New Manchester Review UK | 1 | 1980 |
| New Media Books USA | 1 | 1985 |
| New Orchard Editions UK | 2 | 1982 - 1988 |
| New Sounds S.r.l. / Energie Italy | 1 | 1998 |
| New South Australia | 1 | 2010 |
| New South Wales Government Printer Australia | 1 | 1883 |
 New Ways To Ithaca Greece | 1 | 2001 |
| New Wine Press UK | 1 | 1993 |
| New York Graphic Society USA | 2 | 1969 - 1975 |
| New York Review Books USA | 6 | 2001 - 2018 |
| New York Review Comics USA | 1 | 2021 |
| New York Review Of Books USA | 1 | 2004 |
| New York Zoetrope USA | 2 | 1982 - 1986 |
 New Zealand Publicity Production New Zealand | 1 | 1933 |
| Newastle City Libraries UK | 1 | 1986 |
| Newcasle Upon Tyne City Libraries And Arts UK | 1 | |
| Newcastle City Libraries UK | 3 | 1985 - 1988 |
| Newcastle Libraries UK | 1 | 2011 |
| Newcastle Upon Tyne City Libraries And Arts UK | 3 | 1989 - 1994 |
| NeWest Press Canada | 4 | 1978 - 2001 |
| NeWest Publishers Canada | 2 | 1993 |
| Newmarket Press USA | 3 | 1986 - 2005 |
| Newmat UK | 1 | 1988 |
| Newnes UK | 1 | 2004 |
| Newnes Books UK | 1 | 1985 |
| Newnes Technical Books UK | 1 | 1978 |
| News Alliance USA | 1 | 2007 |
| News Chronicle UK | 4 | 1945 - 1955 |
| News Of The World Ltd UK | 1 | 1977 |
| News Stand Library Canada | 17 | 1947 - 1951 |
| Newspaper Enterprise Association USA | 1 | 1977 |
| Newsquest Media UK | 1 | 2014 |
| Newsstand Library USA | 10 | 1959 - 1961 |
| Newt Italy | 1 | 1995 |
| Newton Italy | 2 | 1988 - 1995 |
| Newton Compton Italy | 7 | 1972 - 2015 |
| Newton Gregg USA | 1 | 1978 |
| Nexus Enthusiast UK | 1 | 2006 |
| Nexus Publishing Australia | 1 | 1995 |
| NGV Denmark | 1 | |
| Nicholas Brealey Publishing UK | 1 | 2011 |
| Nicholas Vane UK | 1 | 1966 |
| Nicholson & Watson France | 1 | 1949 |
| Nicholson & Watson UK | 1 | 1949 |
| Nick Hern Books UK | 2 | 2014 - 2017 |
| Nick Lyons Books USA | 1 | 1984 |
| Nicolai Germany | 1 | |
| Nicotext Sweden | 1 | 2009 |
| Niculescu Romania | 1 | 2010 |
| Niederländisches Büro Für Milcherzeugnisse Germany | 1 | |
| Nieuw Amsterdam Netherlands | 1 | 2006 |
| Night & Day Library - Bonsaï Music France | 1 | 2005 |
| Night Shade Books USA | 3 | 2005 - 2019 |
| Night Shadow USA | 1 | 1966 |
| Nightengale Press USA | 1 | 2007 |
| Nightstand USA | 2 | 1959 - 1961 |
| Nijgh & Van Ditmar Netherlands | 4 | 1999 - 2006 |
| NikMa Musikbuch-Verlag Germany | 4 | 2006 - 2015 |
| Nikol Verlag Germany | 2 | 1994 - 2009 |
| Nils Wide Sweden | 1 | 1982 |
| Nimbus Romania | 1 | 1992 |
| Nimbus Publishing Canada | 3 | 2017 - 2019 |
 Nin-gensha (人間社) Japan | 1 | 2015 |
| Nine Eight Books UK | 1 | 2022 |
| Nintendo Of America USA | 1 | 1993 |
| Nintendo Power USA | 2 | 1996 - 1998 |
| Nirvana UK | 2 | 2004 - 2010 |
| Nisbet & Co. UK | 1 | 1921 |
 Nivaria Ediciones Spain | 2 | 2010 - 2018 |
| Njurunda Kyrkoråd Sweden | 2 | 1978 - 1984 |
| NKS Netherlands | 1 | 2002 |
| NMRA USA | 1 | 1972 |
| No Exit Press UK | 8 | 2002 - 2020 |
 No Publisher Shown Kenya | 1 | |
| No Starch Press USA | 2 | 2005 - 2011 |
| Nobrow UK | 1 | 2022 |
| Noguer Spain | 1 | 1975 |
| Nolit Yugoslavia | 1 | 1963 |
| Non Greece | 4 | 1965 - 2002 |
| Non Basic Stock Line UK | 1 | 2003 |
| Non Stop Germany | 2 | 1951 |
| NoNa Sweden | 4 | 2012 - 2021 |
| Nonsuch UK | 1 | 2006 |
| Nook Press USA | 1 | 2017 |
| Noonday Press USA | 1 | 1953 |
| Norbert Hethke Verlag Germany | 2 | 1987 - 1991 |
| Norbert Ruecker Germany | 2 | 1985 |
| Nord Italy | 1 | 2017 |