| CERN Council and its committees (2,397) | | Management (11,768) | | Theory (244) | | Accelerators (construction and running) (12,045) | | Experimental Physics (5,852) - Experimental Physics divisions (2,119)
- Experiments, Detectors and Committees (SC, Synchro-Cyclotron) (369)
- Experiments, Detectors and Committees (PS, Proton Synchrotron) (568)
- Experiments, Detectors and Committees (ISR, Intersecting Storage Rings) (2)
- Experiments, Detectors and Committees (SPS, Super Proton Synchrotron) (1,851)
- Experiments and Committees (LEP, Large Electron-Positron Collider) (185)
- Experiments and Committees (LHC, Large Hadron Collider) (750)
- Experiments and Committees (CLIC, Compact Linear Collider) (8)
| | Engineering (286) | | Information Technology (880) | | Supporting Services, Technical and Administration (1,813) | | CERN Archives Temporary (162) | |