- Kafrelsheikh University
- Kafrelskeikh University
- Kaiser Permanente Washington Health Research Institute [Seattle]
- Kamerlingh Onnes Laboratorium
- Kanagawa Institute of Technology
- Kanazawa University
- Kansas Lipidomics Research Center, Division of Biology
- Kansas State University
- Kantar Media
- Kapteyn Astronomical Institute [Groningen]
- Karl-Franzens-Universität Graz
- Karlsruhe Institute of Technology = Karlsruher Institut für Technologie
- Karlsruhe Inst Technol, Inst Phys, D-76131 Karlsruhe, Germany
- Karlsruhe Nano Micro Facility
- Karlstad University [Sweden]
- Karolinska Institutet [Stockholm]
- Karolinska University Hospital [Stockholm]
- Karpenko Physico-Mechanical [ Lviv]
- Kasetsart University [Bangkok, Thailand]
- Kassel Institute for Sustainability
- KAUST, Adv Membranes & Porous Mat Ctr
- KAUST Catalysis Center
- Kavli Institute for Astronomy and Astrophysics [Beijing]
- Kavli Institute for Cosmology [Cambridge]
- Kavli Institute of Nanosciences [Delft]
- Kayrros
- Kedge Business School
- Keenan Research Centre of the Li Ka Shing Knowledge Institute [Toronto]
- Kenneth S. Pitzer Center for Theoretical Chemistry
- Kenya Medical Research Institute
- kenyatta University
- KEY LAB
- Key Laboratory for Advanced Materials Processing Technology
- Key Laboratory for Crop Genetic Resources and Germplasm Enhancement [Beijing]
- Key Laboratory for Earth Surface Processes of the Ministry of Education
- Key Laboratory of Beam Technology and Material Modification of Ministry of Education [Beijing]
- Key Laboratory of Cenozoic Geology & Environment
- Key Laboratory of Investigation and Monitoring, Protection and Utilization for Cultivated Land Resources, Ministry of Natural Resources, Chengdu
- Key Laboratory of Land Surface Pattern and Simulation
- Key Laboratory of Plant-Soil Interactions - College of Resources and Environmental Sciences
- Key Laboratory of Soft Chemistry and Functional Materials
- Key Laboratory of Thermo-Fluid Science and Engineering of Ministry of Education
- Key Laboratory of Zoological Systematics and Evolution
- Khon Kaen University [Thailand]
- KinCom
- King Abdul Aziz Specialist Hospital
- King Abdulaziz University
- King Abdullah University of Science and Technology [Saudi Arabia]
- King Abdullah University of Sciences & Technologie
- King Fahd University of Petroleum and Minerals
- King Mongkut’s Institute of Technology Ladkrabang
- King Saud University [Riyadh]
- King's College Hospital
- King‘s College London
- Kitware, Inc.
- Klimatologie, Klimadynamik und Klimawandel [Giessen]
- Klinikum Augsburg
- Klinikum der Universität [München]
- Kobe University
- Konvergen AI
- Korea Advanced Institute of Science and Technology
- Korea Astronomy and Space Science Institute
- Korea Institute for Advanced Study
- Korea Institute of Energy Technology
- Korea Institute of Marine Science and Technology Promotion
- Korea National University of Education
- Korean Research Institute of Chemical Technology
- Korea University [Seoul]
- KTH Royal Institute of Technology [Kista]
- KTH Royal Institute of Technology [Stockholm]
- KTH School of Electrical Engineering
- KU Leven
- Kulturhistorisk museum
- KVI Atomic and Molecular Physics
- Kwame Nkrumah University of Science and Technology
- Kyoto Prefectural University
- Kyoto Sangyo University
- Kyoto University
- Kyoto University Katsura nishikyo-ku
- Kyung Hee University
- Kyushu University