- GAUGE-F Scientific Researches
- GF Machining Solutions
- GLOBOPE Research and Consulting [San Sebastián]
- Galatasaray University
- Ganko Food Service Co. Ltd. [Osaka]
- Ganko Food Service Co., Ltd.
- Garz und Fricke [Hamburg]
- Gaziantep University
- Gebze Teknik Üniversitesi [Gebze]
- Georg-August-University = Georg-August-Universität Göttingen
- Georgetown University [Washington]
- Georgia Institute of Technology [Atlanta]
- Georgian Technical University
- German Institutes of Textile and Fiber Research Denkendorf
- Gestion et Conduite des Systèmes de Production
- Gjøvik University College
- Glasgow Caledonian University
- Glorious Sun School of Business & Management
- Gorenje
- Grado Department of Industrial and Systems Engineering [Blacksburg]
- Graduate Program in Production Engineering and System
- Graduate School of Engineering Science [Toyonaka, Osaka]
- Graduate School of Natural Science and Technology [Okayama]
- 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]
- Greenhouse Horticulture & Flower Bulbs [Wageningen]
- Griffith University [Brisbane]
- Groningen University
- Groupe ISCAE: Institut supérieur de commerce et d’administration des entreprises
- Groupe OCP
- Groupe PSA - Centre Technique de Vélizy [Vélizy-Villacoublay]
- Groupe d’études et de recherche en analyse des décisions
- Grundfos
- Gröningen
- Guangdong University of Technology
- Génie des Matériaux Textiles - ULR 2461