- Karolinska Institutet, Department of Clinical Neuroscience, Section of Psychiatry
- K.G. Jebsen Center for Influenza Vaccine Research
- KC Microbiome Communications Group
- KEDGE Business School [Marseille]
- KONARC
- KSV Instruments
- KUNMING INSTITUTE OF ZOOLOGY CHN
- KWS SAAT SE & Co.KGaA
- KYOTO UNIVERSITY YOSHIDA HONMACHI SAKYO-KU
- Kagoshima University
- Kaiserslautern University of Technology
- KaloBios Pharmaceuticals [San Francisco]
- Kalyani University
- Kansas State University
- Kantar – Health Division
- Kaposvár University
- Kapteyn Astronomical Institute [Groningen]
- Karari University
- Karl-Franzens-Universität Graz
- Karlsruhe Institute of Technology
- Karolinska Institute
- Karolinska Institute, Huddinge University Hospital
- Karolinska Institutet [Stockholm]
- Karolinska University Hospital [Stockholm]
- Karolinska University Hospital-Huddinge, Karolinska Institute
- Kart Masters
- Kasetsart University
- Katholieke Universiteit Leuven
- Kaunas University of Technology
- Kavli Institute of Nanosciences [Delft]
- Kazan Federal University
- Kazan State University
- Keck School of Medicine [Los Angeles]
- Kedge Business School
- Kedge Business School [Talence]
- Keio University
- Keller Pharmaconsult, Munich
- Kennedy Krieger Institute [Baltimore]
- Kent State University
- Keosys
- Kerala Veterinary and Animal Sciences University
- Kessler Institute for Rehabilitation, Kessler Foundation
- Key Laboratory for Neuroinformation
- Key Laboratory for Neuroinformation, School of Life Science and Technology, Center for Information in Medicine
- Key Laboratory of Orogenic Belts and Crustal Evolution - Ministry of Education
- Khalifa University for Science Technology [Abou Dabi]
- Khalifa University of Science and Technology
- Khon Kaen University [Thailand]
- Kidney Center
- Kidney Research Institute [Seattle]
- Kimron Veterinary Institute
- King Abdulaziz University
- King Abdullah Medical City
- King Abdullah University of Science and Technology
- King Edward Memorial Hospital for Women
- King Faisal University
- King Faisal University - College of Agriculture and Food Sciences
- King Faisal University, Materials Engineering Department, College of Engineering
- King Fasial University, Materials Engineering Department, College of Engineering
- King Mongkut's University of Technology Thonburi
- King Saud University [Riyadh]
- King‘s College London
- Kinki University
- Kinnaird College for Women
- Kitasato University
- Kiwa Water Research
- Kiwa Water research
- Klinik für Hämatologie und Onkologie
- Klinikum Dritter Orden [Munich]
- Klinikum Ernst von Bergmann
- Klinikum Ludwigshafen [Germany]
- Klinikum der Universität Heidelberg
- Klinikums rechts der Isar
- Knowledge representation, reasonning
- Knowledge Learning and Information Modelling
- Kobe University
- Kobe University Graduate School of Medicine
- Kochi Core Center
- Kochi University
- Kohat University of Science and Technology
- Koltsov Institute of Developmental Biology
- Koltzov Institute of Developmental Biology, RAS, Moscow
- Konrad Lorenz Forschungsstelle Grünau
- Konrad Lorenz Institute of Ethology
- Korea Advanced Institute of Science and Technology
- Korea University [Seoul]
- Korean Institute of Advanced Studies
- Korteweg-de Vries Institute for Mathematics
- KortexMed Institute of Medical Education Bad Harzburg
- Kos Genetic SRL
- Krankenhaus Mara [Bielefeld, Germany]
- Kreavet
- Kumaon University
- Kumaun University
- Kungliga Tekniska Hogskolan
- Kunming Institute of Zoology
- Kuopio University Hospital
- Kurukshetra University
- Kuruman River Reserve
- Kwame Nkrumah University of Science and Technology [GHANA]
- Kwara State Ministry of Agriculture and Rural Development
- Kymeris Santé
- Kyomed
- Kyoto Prefectural University
- Kyoto University
- Kyung Hee University
- Kyushu University
- karolinska institute