- Genedrive plc [Manchester]
- Generalitat de Catalunya = Generalidad de Cataluña = Government of Catalonia = Généralité de Catalogne
- Geneva University Hospital
- Geneva University Hospitals and Geneva University
- Geneva University Hospitals - HUG [Switzerland]
- GEOLAB S.A.
- German Cancer Research Center - Deutsches Krebsforschungszentrum [Heidelberg]
- German Heart Institute Berlin
- German Institute of Human Nutrition
- German Institute of Human Nutrition Potsdam-Rehbrücke
- German Institute of Human Nutrition Potsdam-Rehbruecke
- German Institute of Human Nutrition Potsdam-Rehbruecke [Nuthetal, Germany]
- German Research Centre for Geosciences - Helmholtz-Centre Potsdam
- Gesellschaft für Anlagen - und Reaktorsicherheit [Köln]
- Ghent University Hospital
- GHU Paris Psychiatrie et Neurosciences
- Glaxo Smith Kline
- GNS Science
- Goethe-Universität Frankfurt am Main
- Göteborgs Universitet = University of Gothenburg
- GPC-IP
- Graduate Program in Health Sciences, State University of Montes Claros, Montes Claros 39401-089, Brazil
- Grand Hôpital de l'Est Francilien
- Groupe de Recherche et d’Etude des Maladies Infectieuses-Paris Sud-Est
- Groupe hospitalier Broca
- Groupe Hospitalier Diaconesses Croix Saint-Simon
- Groupe Hospitalier Paris Saint-Joseph
- Groupe hospitalier Pellegrin
- Groupe hospitalier Saint-André
- Groupe Hospitalier Saint Louis - Lariboisière - Fernand Widal [Paris]
- Guy's and St. Thomas' NHS Foundation Trust