| Company | Country | Expert certifications Sort ascending | Certified experts | Drupal certifications | Certified professionals | |
|---|---|---|---|---|---|---|
| 17 | 10 | 148 | 21 | |||
| 13 | 5 | 73 | 7 | |||
| 9 | 8 | 42 | 12 | |||
| 6 | 3 | 29 | 5 | |||
| 5 | 4 | 39 | 9 | |||
| 5 | 2 | 26 | 2 | |||
| 4 | 3 | 17 | 4 | |||
| 4 | 2 | 34 | 8 | |||
| 4 | 2 | 22 | 4 | |||
| 4 | 2 | 22 | 2 | |||
| 3 | 1 | 16 | 2 | |||
| 3 | 2 | 46 | 15 | |||
| 3 | 1 | 14 | 2 | |||
| 3 | 2 | 15 | 2 | |||
| 3 | 3 | 41 | 19 | |||
| 3 | 3 | 20 | 10 | |||
| 3 | 2 | 19 | 4 | |||
| 3 | 1 | 14 | 1 | |||
| 3 | 2 | 18 | 3 | |||
| 3 | 2 | 40 | 16 |
