- J. A. Baker Institute
- Jagiellonian Univ, Fac Chem
- Jan and Dan Duncan Neurological Research Institute
- Janelia Farm Research Campus
- Japanese French Laboratory for Informatics
- Japan Society for the Promotion of Science
- Jardin Zoologique, Mulhouse
- JCP-Consult [Cesson-Sévigné]
- J Craig Venter Institute
- Jennifer Milligan
- Jet Propulsion Laboratory
- J. Heyrovsky Institute of Physical Chemistry
- J. Heyrovský Institute of Physical Chemistry of the ASCR
- J Heyrovsky Institut of Physical Chemistry
- Jiangnan Institute of Computing Technology [Chine]
- Jiangsu Engineering Center of Network Monitoring
- Jiangsu Provincial Key Laboratory for Solid Organic Waste Utilization
- Jiangxi Academy of Sciences
- Jiangxi Agr Univ
- JIFRESSE
- Jiroft University of Medical Sciences
- JM Burgers Ctr Fluid Dynamics, Univ Twente
- Jodrell Laboratory
- Johann-Friedrich Blumenbach Institut für Zoologie und Anthropologie
- Johann Radon Institute for Computational and Applied Mathematics
- Johann Wolfgang Goethe University Medical Center
- Johnstown Castle, Environment Research Centre
- Joint ALMA Observatory
- Joint Global Change Research Institute
- Joint Institute for Laboratory Astrophysics
- Joint Japanese-French Robotics Research Laboratory [Japon]
- Joint Laboratory for Petascale Computing [Illinois]
- Joint Laboratory of Solid State Chemistry
- Joint Nature Conservation Committee of the UK
- Joint Quantum Institute
- Joint Research center
- Joint Research Centre Karlsruhe
- Joint Robotics Laboratory
- Joseph Louis LAGRANGE
- Journaliste
- JRC Institute for Environment and Sustainability
- JRC Institute for Health and Consumer Protection
- JRC Institute for Transuranium Elements [Karlsruhe]
- JST-CREST
- Judex Datasystemer A|S
- Juelich Centre for Neutron Science
- Jülich Centre for Neutron Science
- Jülich Supercomputing Centre
- Julius Center for Health Sciences and Primary Care
- Julius Kühn-Institute