- Kantha Bopha Hospitals Foundation
- Kapteyn Astronomical Institute [Groningen]
- Kasetsart University, Department of Parasitology, Faculty of Veterinary Medicine
- Kasuza DNA Research Institute
- Katedra Informatyki
- Kavli Institute for Cosmological Physics [Chicago]
- Kavli Institute for Cosmology [Cambridge]
- Kavli Institute for Particle Astrophysics and Cosmology
- Kavli Institute for the Physics and Mathematics of the Universe [Tokyo]
- Kellogg School of Management
- K-Epsilon
- Kernfysisch Versneller Instituut, Univ. of Groningen
- Key Lab for Microorganism and Bio-transformation
- Key Laboratory for Anisotropy and Texture of Materials
- Key Laboratory for Earth Surface Processes of the Ministry of Education
- Key Laboratory for Fishery Resources and Eco-Environment
- Key Laboratory for Information System Security
- Key Laboratory of Adaptation and Evolution of Plateau Biota
- Key Laboratory of Applied Statistics under Ministry of Education
- Key Laboratory of Computer Network and Information Integration [Nanjing China]
- Key Laboratory of Eco-Environments of Three Gorges Reservoir Region
- Key Laboratory of Freshwater Biodiversity Conservation, Ministry of Agriculture of China, Yangtze River Fisheries Research Institute
- Key Laboratory of Functional Inorganic Material Chemistry
- Key Laboratory of Heavy Ion Radiation Medicine of Gansu Province
- Key Laboratory of Intelligent Perception and Image Understanding
- Key Laboratory of Machine Perception (MOE)
- Key Laboratory of Major Diseases in Children
- Key Laboratory of Mariculture
- Key Laboratory of Marine Geology and Environment [China
- Key Laboratory of Mathematics Mechanization
- Key Laboratory of Orogenic Belts and Crustal Evolution
- Key Laboratory of Quantitative Remote Sensing in Agriculture
- Key Laboratory of Systems Biology
- Key Laboratory of Zoological Systematics and Evolution
- KEY LAB SILICATE MAT & ENGN
- KG Jebsen Centre for Psychosis Research
- Kharkevich Institute for Information Transmission Problems
- Khawarizmi Laboratory of Mathematics and Applications
- Khoury College of Computer Sciences [Boston]
- KIMEP, Almaty, Kazakhstan
- Kirstenbosch Research Centre
- Kitware, Inc.
- KM FSv CVUT
- Knossos University
- Knowledge Discovery and Bioinformatics
- KNU [Kiev]
- Kochi University
- Kodak European Research
- Komarov Botanical Institute of Russian Academy of Science
- Kooaba
- Korteweg-de Vries Institute for Mathematics
- Kroto Research Institute
- KTH Matematik
- KU Leuven Plant Institute
- Kunming Institute of Botany [CAS]
- Kuwait Univ
- Kyoto University, Department of Nuclear Engineering