• Aachen University of Technology
• The Albert Einstein Institute (AEI)
• The Alfred Wegener Institute
• The Bavarian Consortium for High Performance Scientific Computing (FORTWIHR)
• The Regional Computing Centre of the University of Köln (RRZK)
• The Computing Centre at Garching (RZG)
• Computing Centre of Martin Luther University
• The Federal Maritime and Hidrografic Agency (BSH)
• The Research Centre of the German Aerospace Research Establishment (DLR)
• The German Centre for Cancer Research (DKFZ)
• The German Climate Computer Centre (DKRZ)
• The German Weather Service
• The HLRZ Supercomputing Centre
• The Computer Centre of the University of Stuttgart (RUS)
• The Institute of Parallel and Distributed High-Performance Systems (IPVR)
• The Interdisciplinary Centre for Scientific Computing (IWR)
• The Konrad-Zuse-Centre for Information Technology, Berlin (ZIB)
• The Leibniz-Rechenzentrum (LRZ)
• The Paderborn Centre for Parallel Computing (PC2)
• The Potsdam Institute for Climate Impact Research (PIK)
• Technic University Berlin.
• Technic University Braunschweig.
• University of Dortmund.
• University of Dresden.
• University of Karlsruhe
• University of Leipzig.
• University of Mainz.
• University of Rostok.

• Australian National University Supercomputer Facility
• Deakin University Symbolic Computation
• New South Astralian Centre for Parallel Computing
• The Advanced Computing Research Centre
• The South Australian Centre for Parallel Computing
• The Sydney Regional Scientific Visualisation

• Austrian Centre for Parallel Computation (ACPC)
• European Centre of Excellence for Parallel Computing at Vienna (VCPC)
• EDV-Zentrum (EDVZ)

• Automatic Control and Computer Architectures research unit (ESAT/ACCA)
• Brussels Free University Computing Center (BFUCC)
• Leuven University Service Centre for Informatics and Telematics (LUDIT)

• Centre de Supercomputació de Catalunya.
• Centre de Computació i Comunicacions de Catalunya
• Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas
• Centro Informático Científico de Andalucía
• Centro de Supercomputación Complutense
• Ente Público Puertos del Estado
• European Center for Parallelism of Barcelona

• The Danish Computing Centre for Research and Education
• Danish Meteorological Institute (DMI)

• Centre for Scientific Computing (CSC)

• Centre of Computing Resources of Haute-Normandie (CRIHAN)
• Computation, Research and Network Centre of Jussieu (CCR)
• Computing and Parallel Calculation of Strasbourg (ICPS)
• Meteorological Operation Center, Meteo-France (SCEM)
• European Centre for Research and Advanced Training in Scientific Computation (CERFACS)
• French Atomic Energy Comission (CEA)
• French national Institute for Research in Computer Science and Control (INRIA)
• Institute for Development and Resources in Intensive Scientific Computing (IDRIS)
• National Office for Aerospace Studies and Research (ONERA)
• Associative Organization for Parallelism (ORAP)
• Grenoble's Institute for Applied Mathematics and Computer Science (IMAG)
• Institute for Research in Computer Science and Random Systems (IRISA)
• Laboratory for Computing Research of Bordeaux (LaBRI)
• Laboratory for Parallel Computing (LIP)
• Research Laboratory in Computer Science of Versailles (PRISM)

• The Cambridge University High Performance Computing Facility (HPCF)
• The Cardiff High Performance Computing Training & Education Centre
• The Central Laboratory of the Research Councils (CLRC)
• The Centre for High Performance Computing and Networking (CHPCN)
• The Centre for Novel Computing (CNC)
• The Computer Science at Bristol (CS)
• The Edinburgh Parallel Computing Centre (EPCC)
• The European Centre for Medium-Range Weather Forecasts (ECMWF)
• Imperial College
• The Manchester Computing (MCC)
• The Meteorological Office
• The Oxford Parallel
• The Oxford Supercomputing Centre (OSC)
• The Parallel Computing Centre (PCC)
• The Parallel Computing Research Group (PCRG)
• The Reading High Performance Computing Centre (HPCC)
• The Scalable Systems and Algorithms Group
• The University of Southampton High Performance Computing Centre (HPCC)
• Wessex Institute of Technology

• Athens High Computing Laboratory (AHPCL)
• High Performance Computing Unit

• The Centre for Advanced Studies, Research and Development in Sardinia (CRS4)
• The Consortium for the Application of the Supercomputing for the University and Research (CASPUR)
• The Interuniversity Consortium of the NorthEastern Italy for Automatic Computing (CINECA)
• The Italian Aerospace Research Centre (CIRA)
• The Italian National Agency for New Technologies, Energy and the Environment (ENEA)
• The Lombard Interuniversity Consortium for Computing (CILEA)
• The Piedmont Supercomputing Centre (CSP)
• The Thermal Research Centre (CRT)

• Laboratory for Parallel Computation (Parallab)
• Norwegian University of Science and Technology in Trondheim (NTNU)

• Academic Computing Services of Amsterdam (SARA)
• Interdisciplinary Centre for Complex Computer Facilities in Amsterdam (IC3A)
• National Aerospace Laboratory (NLR)
• Centre for High-Performance Computing (DUG)
• Centre for High Performance Applied Computing (HPaC)
• Computing Centre of Delft University

• Parallel Computing service at Centre of Informatics at University of Minho

• Centre for Parallel Computers (PDC)
• Chalmers University of Technology
• High Performance Computing Centre North (HPC2N)
• National Supercomputer Centre (NSC)

 
Suiza

• CERN