| XPS Platform | Umeå University | Sweden | Umeå |
| Surface Science XPS Laboratory | Institute of Surface Chemistry and Catalysis | Germany | Ulm |
| Surface Analytics | Max Planck Institute for Chemical Energy Conversion | Germany | Mülheim an der Ruhr |
| Nanoscale and Microscale Research Centre | University of Nottingham | United Kingdom | Nottingham |
| Institute of Functional Interfaces | Kahrlsruhe Institute of Technology | Germany | Eggenstein-Leopoldshafen |
| Innovative Station for In Situ Spectroscopy | Fritz Haber Institute | Germany | Berlin |
| HarwellXPS (Harwell Hub) | HarwellXPS | United Kingdom | Didcot |
| HarwellXPS (Cardiff Hub) | Cardiff University | United Kingdom | Cardiff |
| foo | My fancy institution | Afghanistan | Kabul |
| Catalysis and Surface Chemistry | Leiden Institute of Chemistry | Netherlands | Leiden |
