| Membership fee (€) | Number of employees |
| 225 | 1 – 4 persons |
| 260 | 5 – 9 persons |
| 375 | 10 – 19 persons |
| 500 | 20 – 49 persons |
| 730 | 50 – 99 persons |
| 1375 | 100 – 249 persons |
| 2340 | 250 – 499 persons |
| 3485 | 500 – 999 persons |
| 4940 | 1000 – persons |
| 350 | Organizations and public entities |
| 0,45/resident | Municipalities |
