| 1 (1693) | Foundation for Research and Technology Hellas * | GRC |  | |
| 2 (1769) | Demokritos, National Centre for Scientific Research | GRC | | |
| 3 (3166) | Academy of Athens | GRC | | |
| 4 (3424) | National Observatory of Athens | GRC | | |
| 5 (4147) | Centre for Research and Technology Hellas | GRC | | |
| 6 (4355) | Institute of Computer Science | GRC | | |
| 7 (4836) | National Hellenic Research Foundation | GRC | | |
| 8 (4950) | Institute of Electronic Structure and Laser | GRC | | |
| 9 (6668) | Institute of Chemical Engineering and High Temperature Chemical Processes | GRC | |
