- Danmarks Tekniske Universitet = Technical University of Denmark
- Darmstadt University of Technology [Darmstadt]
- Dassault Systèmes
- David Geffen School of Medicine [Los Angeles]
- Defense Research and Development Organization
- Delhi Technological University [New Delhi]
- DeltaCAD
- Departamento de Engenharia da Produção [São Paulo]
- Department Industrial Research and Innovation [Berlin]
- Department of Business Information Management and Logistics [Tampere]
- Department of Computer Integrated Design [Darmstad]
- Department of Computer Science & Engineering [Qatar]
- Department of Computer science
- Department of Economics, Management and Industrial Engineering
- Department of Finance and Operations Management [Amhers]
- Department of Health Sciences Research [Mayo Clinic]
- Department of Industrial Engineering
- Department of Industrial Management
- Department of Innovation Engineering
- Department of Management and Production Engineering [Politecnico di Torino]
- Department of Management, Economics and Industrial Engineering [Milan]
- Department of Mechanical Engineering
- Department of Mechanical Engineering [Montréal]
- Department of Mechanical Systems Engineering BP60319
- Department of Mechanical and Industrial Engineering
- Department of Product and Production development
- Department of Product and Systems Design Engineering [Aegean]
- Department of Signals and Systems (Chalmers University of Technology)
- Department of Systems Management Engineering [Sungkyunkwan University]
- Department of the Built Environment [Eindhoven]
- Dept. of Industrial Engineering
- Detecon International GmbH
- Detecon International GmbH, Deutsche Telekom Group
- Deutsche Telekom Group
- Deutsches Forschungszentrum für Künstliche Intelligenz GmbH = German Research Center for Artificial Intelligence
- Digital Process Ltd.
- Dipartimento di Ingegneria dell'Innovazione
- Dublin City University [Dublin]
- Décision et Information pour les Systèmes de Production
- Département d'Ingénierie des Systèmes Complexes