| Barcelona Supercomputing Center – Centro Nacional de Supercomputación (BSC) | Barcelona | SO Centre |
| Basque Centre for Applied Mathematics (BCAM) | Bilbao | SO Centre |
| Catalan Institute of Nanoscience and Nanotechnology (ICN2) | Bellaterra, Cerdanyola del Vallès | SO Centre |
| Centre de Recerca Matemàtica (CRM) | Bellaterra, Cerdanyola del Vallès | MM Unit |
| Donostia International Physics Center (DIPC) | Donostia/San Sebastián | SO Centre |
| High Energy Physics Institute at the Universitat Autònoma de Barcelona (IFAE – UAB) | Bellaterra, Cerdanyola del Vallès | SO Centre |
| Institute for Theoretical Physics (IFT) | Madrid | SO Centre |
| Institute of Chemical Research of Catalonia (ICIQ) | Tarragona | SO Centre |
| Institute of Corpuscular Physics (IFIC) | Paterna | SO Centre |
| Institute of Materials Science of Barcelona (ICMAB-CSIC) | Bellaterra, Cerdanyola del Vallès | SO Centre |
| Institute of Mathematical Sciences (ICMAT) | Madrid | SO Centre |
| Institute of Photonic Sciences (ICFO) | Castelldefels | SO Centre |
| Instituto de Astrofísica de Andalucía (IAA-CSIC) | Granada | SO Centre |
| Instituto de Astrofísica de Canarias (IAC) | La Laguna | SO Centre |
| Instituto de Tecnología Química (ITQ, UPV – CSIC) | Valencia | SO Centre |
| International Centre for Numerical Methods in Engineering (CIMNE) | Barcelona | SO Centre |
| Madrid Institute of Advanced Studies in Nanoscience (IMDEA Nano) | Madrid | SO Centre |
| Basque Centre for Climate Change (BC3) | Leioa | MM Unit |
| Center for Cooperative Research in Biomaterials (CIC biomaGUNE) | Donostia/San Sebastián | MM Unit |
| Centro de Astrobiología (CAB, CSIC-INTA) | Torrejón de Ardoz | MM Unit |
| Condensed Matter Physics Centre at the Universidad Autónoma de Madrid (IFIMAC-UAM) | Madrid | MM Unit |
| Department of Signal Theory and Communications (COMMSENSLAB) | Barcelona | MM Unit |
| Galician Institute of High Energy Physics (IGFAE) | Santiago de Compostela | MM Unit |
| Information and Communication Technologies Engineering Department at Universitat Pompeu Fabra (DTIC – UPF) | Barcelona | MM Unit |
| Institute for Cross-Disciplinary Physics and Complex Systems (IFISC) | Palma | MM Unit |
| Institute of Cosmos Sciences of the University of Barcelona (ICCUB) | Barcelona | MM Unit |
| Institute of Molecular Science at University of Valencia (ICMOL-UV) | Paterna | MM Unit |
| Institute of Robotics and Industrial Informatics (IRI) | Barcelona | MM Unit |
| Instituto de Física de Cantabria (IFCA) | Santander | MM Unit |
| Madrid Institute for Advanced Studies in Energy (IMDEA Energy) | Móstoles | MM Unit |
| Madrid Institute of Advanced Studies in Materials Science (IMDEA Materials) | Getafe | MM Unit |
| nanoGUNE Cooperative Research Center (CIC nanoGUNE) | Donostia/San Sebastián | MM Unit |
| Particle Physics Unit at the Centre for Energy, Technology and Environmental Research (CIEMAT – FP) | Madrid | MM Unit |
| Theoretical and Computational Chemistry Institute (IQTC) | Barcelona | MM Unit |
| Institute of Mathematics of the University of Granada (IMAG) | Granada | MM Unit |