| 5 6 7 8 9 10 11 12 |
| - | MA Healthcare  |
| - | Macalester College |
| - | Macedonian Scientific Society for Autism |
| - | Macrothink Institute |
| - | Mae Fah Luang University |
| - | Maejo University |
| - | Magna Publications |
| - | Mahachulalongkornrajavidyalaya University |
| - | Mahasarakham Rajabhat University |
| - | Mahidol University |
| - | Maison des Sciences de l'Homme de Montpellier |
| - | Managed Care and Healthcare Comm |
| - | Manchester University Press |
| - | Mandsaur Institute of Pharmacy |
| - | Mansoura University |
| - | Mardin Artuklu University |
| - | Marine Technology Society |
| - | MARIS B.V. |
| - | Mark Allen |
| - | Marmara University |
| - | Marquette University |
| - | Marshall University |
| - | Marshfield Clinic Research Foundation |
| - | Marxist Literary Group |
| - | Mary Ann Liebert |
| - | Maryland Institute of Research |
| - | Masaryk University |
| - | Mashhad University of Medical Sciences |
| - | Massey University |
| - | Materials Research Society |
| - | MATIS Translation Services |
| - | Mattioli 1885 srl |
| - | Max Planck Institute for Demographic Research |
| - | Mazandaran University of Medical Sciences |
| - | McGill University |
| - | McMaster University |
| - | MDPI |
| - | mediaGEO |
| - | Medical Education Solutions Limited |
| - | Medical Journals Limited |
| - | Medical Library Association |
| - | Medical Network |
| - | Medigent Foundation |
| - | MediMedia |
| - | MediNews |
| - | Medip Academy |
| - | Medknow Publishers |
| - | Medycyna Praktyczna |
| - | MEED MEDIA |
| - | Mega Publishing House |
| - | Mehmet Akif Ersoy Üniversitesi |
| - | Memorial University of Newfoundland |
| - | Mendelova Univerzita |
| - | Mercy College |
| - | Mersin Universitesi |
| - | Meteorological Society of Japan |
| - | MI-AN Publishing |
| - | Michigan Council of Teachers of English |
| - | Michigan Publishing |
| - | Michigan State University |
| - | Microbiology Research Foundation, The |
| - | Microtome Publishing |
| - | Middle East Institute |
| - | Middle East Research and Information Project |
| - | Middle Tennessee State University |
| - | Midwifery Today, Inc. |
| - | Mimesis Edizioni |
| - | Minda Masagi Press |
| - | Mineralogical Society, The |
| - | Minerva Medica |
| - | Minia University |
| - | Ministarstvo znanosti, obrazovanja i sporta Republike Hrvatske |
| - | Ministerio de Educación Superior de la República de Cuba |
| - | Ministerio Público de Honduras |
| - | Ministry of Defence of the Republic of Serbia |
| - | Ministry of Environment and Forestry Republic of Indonesia |
| - | Ministry of Health of the Russian Federation |
| - | MIREA - Russian Technological University |
| - | MISRC |
| - | Missouri Botanical Garden |
| - | Missouri State University |
| - | MIT Press |
| - | Modern Education and Computer Science Press |
| - | Modern Science Publishers |
| - | ModernMedicine |
| - | Momentum |
| - | Monash University |
| - | Mongolia Journals Online |
| - | Monti &Taft |
| - | Morgan and Claypool |
| - | Moscow Region Research and Clinical Institute (MONIKI) |
| - | Moscow State Technical University of Civil Aviation |
| - | Moscow State University of Civil Engineering |
| - | Moscow State University of Psychology and Education |
| - | Mount Royal University |
| - | Mount Saint Vincent Unviersity |
| - | MRI Publishers Pvt. Ltd. |
| - | MTT Agrifood Research Finland |
| - | Multimeans Media International |
| - | Multimed Inc |
| - | Multiscience |
| - | Museo Argentino de Ciencias Naturales |
| - | Museum and Institute of Zoology - PAS |
| - | Muséum national d'Histoire naturelle |
| - | Muséum national d’Histoire naturelle |
| - | Museums Association |
| - | Mustafa Hasbahceci |
| - | Mustafa Kemal University |
| - | Mycotaxon |
| - | MYJoVE Corp |
| - | Mykolas Romeris University |
| - | MYU K.K. |
| - | Nab'a Al-Hayat Foundation for Medical Sciences and Health Care |
| - | NACE International |
| - | Nakhon Sawan Rajabhat University |
| - | NAPICU |
| - | Naresuan University |
| - | Narr Francke Attempto Verlag |
| - | Nationaal Herbarium Nederland |
| - | National Academy of Sciences |
| - | National Academy of Sciences of the Republic of Armenia |
| - | National Academy of Sciences of Ukraine |
| - | National Aerospace University |
| - | National Association of Student Financial Aid Administrators |
| - | National Aviation University |
| - | National Botanic Garden of Belgium |
| - | National Bureau of Economic Research |
| - | National Centre for Information and Documentation (NIDOC) |
| - | National Council for the Social Studies |
| - | National Council of State Boards of Nursing |
| - | National Council of Teachers of Mathematics |
| - | National Defence University of Ukraine named after Ivan Cherniakhovsky |
| - | National Dendrological Park “Sofiyivka” of NAS of Ukraine |
| - | National Institute for Economic Research, Moldova |
| - | National Institute of Adult Continuing Education |
| - | National Institute of Development Administration |
| - | National Institute of Standards and Technology |
| - | National Law University, Jodhpur |
| - | National Museum in Prague |
| - | National Pirogov Memorial Medical University |
| - | National Research University Higher School of Economics |
| - | National Society of Professional Surveyors, The American Association for Geodetic Surveying, and The Geographic and Land Information Society |
| - | National Taiwan Normal University |
| - | National Technical University of Ukraine |
| - | National University Of Architecture And Construction Of Armenia, |
| - | National University of Kyiv-Mohyla Academy |
| - | National University of Life and Environmental Sciences of Ukraine |
| - | National University of Pharmacy |
| - | National University of Science and Technology |
| - | National-Louis University |
| - | Natural Areas Association |
| - | Natural History Magazine, Inc |
| - | Nature Kenya/East African Natural History Society |
| - | NCTU School of Law |
| - | Necmettin Erbakan Üniversitesi |
| - | NEICON |
| - | Nepal Journals Online |
| - | Netherlands Ornithologists' Union |
| - | Nevsehir Haci Bektas Veli University |
| - | New African |
| - | New Bulgarian University |
| - | New Century Science Press |
| - | New England Journal of Medicine |
| - | New Internationalist |
| - | New Left Review |
| - | New Prairie Press |
| - | New School University |
| - | New York Law School |
| - | New Zealand Archaeological Association |
| - | New Zealand Veterinary Association |
| - | New Zealand Veterinary Nursing Association |
| - | Newcastle University |
| - | Nicolaus Copernicus University in Toruń |
| - | NIDA |
| - | NISCAIR |
| - | Nomos |
| - | Nordic Africa Research Network |
| - | Nordic Institute of Asian Studies |
| - | Nordic Research Councils for the Humanities and the Social Sciences |
| - | Nordic Society of Aesthetics |
| - | Nordic Wittgenstein Society |
| - | Nordiskt Forum för Forskning och Utvecklingsarbete inom Utbildning i Slöjd |
| - | Norsk arkeologisk selskap |
| - | Norsk forening for epidemiologi - The Norwegian Epidemiological Association |
| - | Norsk Ornitologisk Forening |
| - | Norske Dansekunstnere |
| - | North American Cartographic Information Society |
| - | North Atlantic Marine Mammal Commission |
| - | North Carolina Library Association |
| - | North Carolina State University |
| - | Northern (Arctic) Federal University named after M.V. Lomonosov. |
| - | Northumbria University |
| - | Northwestern University |
| - | Norwegian Academy of Music |
| - | Norwegian Society of Automatic Control |
| - | Notre Dame Law School |
| - | Notyreg Hispania, SL |
| - | Nova Southeastern University |
| - | Novus forlag |
| - | Now Publishers |
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