- GAUGE-F Scientific Researches
- GECAD (Knowledge Engineering and Decision Support Research Group)
- GECAD [Knowledge Engineering and Decision Support Research Group]
- GEM Recherche
- GEN TRIZ
- GF Machining Solutions
- GIM
- GINA Software s.r.o.
- GIPSA - Machines parlantes, Gestes oro-faciaux, Interaction Face-à-face, Communication augmentée
- GKN Aerospace Engine Systems Sweden
- GKN Aerospace Sweden AB
- GLOBOPE Research and Consulting [San Sebastián]
- GME Engineering Measurements and Calibration Service
- GRASIA
- Gadjah Mada University
- Galatasaray University
- Gamma Remote Sensing Research and Consulting AG
- Ganko Food Service Co. Ltd. [Osaka]
- Ganko Food Service Co., Ltd.
- Garz und Fricke [Hamburg]
- Gaziantep University
- Gazprom Neft NTC
- Gdańsk University of Technology
- Gebze Teknik Üniversitesi [Gebze]
- General Bureau of State Farms of Heilongjiang Province
- Geographic Information Systems [Bologna]
- Georg-August-University = Georg-August-Universität Göttingen
- George Mason University [Fairfax]
- Georgetown University [Washington]
- Georgia Institute of Technology [Atlanta]
- Georgia Tech Lorraine [Metz]
- Georgian Technical University
- Geoscience Australia
- German Aerospace Center
- German Institutes of Textile and Fiber Research Denkendorf
- Gerstner Laboratory - Agent Technology Center, Faculty of Electrical Engineering
- Gestion et Conduite des Systèmes de Production
- Gfi Informatique
- Gjøvik University College
- Glasgow Caledonian University
- Global Climate Forum
- Global Vision
- Glorious Sun School of Business & Management
- Goldratt consulting
- Gomal University
- Gorenje
- Grado Department of Industrial and Systems Engineering [Blacksburg]
- Graduate Program in Production Engineering and System
- Graduate School of Design
- Graduate School of Engineering Science [Toyonaka, Osaka]
- Graduate School of Environment and Information Sciences [Yokohama]
- Graduate School of Excellence advanced Manufacturing Engineering [Stuttgart]
- Graduate School of Informatics [Kyoto]
- Graduate School of Information, Production and Systems
- Graduate School of System Design and Management [Yokohama]
- Graduate School of System Informatics [Kobe]
- Graduação em Engenharia de Produção da Universidade Paulista
- Grande Dourados Federal University
- Graz University of Technology
- Graz University of Technology [Graz]
- Great Wall Computer Software and System Inc.
- Green Mountain Analytics
- GreenLight-IT [Saint Priest]
- Greenhouse Horticulture & Flower Bulbs [Wageningen]
- Grenoble Images Parole Signal Automatique
- Grenoble Institut d'Administration des Entreprises
- Griffith University [Brisbane]
- Groningen University
- Groupe AREVA
- Groupe ISCAE: Institut supérieur de commerce et d’administration des entreprises
- Groupe OCP
- Groupe POULT
- Groupe PSA - Centre Technique de Vélizy [Vélizy-Villacoublay]
- Groupe d'Analyse et de Théorie Economique Lyon - Saint-Etienne
- Groupe d'Imagerie Neurofonctionnelle
- Groupe de Recherche en Informatique, Image et Instrumentation de Caen
- Groupe d’études et de recherche en analyse des décisions
- Grundfos
- Grupo Dinamex
- Grupo INSISOC, Dpto. de Organización de Empresasy CIM, Escuela de Ingenierías Industriales
- Grupo INSISOC, Área de Organización de Empresas, Dpto. de Ingeniería Civil, Escuela Politécnica Superior
- Grupo de Investigação em Aplicações Avançadas de Potência Pulsada
- Gröningen
- Guangdong Entry-Exit Inspection and Quarantine Bureau
- Guangdong Ocean University
- Guangdong University of Technology
- Guangxi University [Nanning]
- Guangzhou University
- Guilbert EXPRESS
- Guilin University of Aerospace Technology
- Guilin University of Electronic Technology
- Guizhou Academy of Agricultural Sciences
- Gunadarma University
- Gyeongsang National University
- Génie des Matériaux Textiles - ULR 2461
- Göteborgs Universitet = University of Gothenburg
- giCentre