Marktonderzoeksbureaus Zuid-Holland
| Plaats | Marktonderzoeksbureaus |
| 8 | |
| 2 | |
| 4 | |
| 1 | |
| 2 | |
| 3 | |
| 2 | |
| 11 | |
| 1 | |
| 27 | |
| 95 | |
| 1 | |
| 10 | |
| 3 | |
| 15 | |
| 1 | |
| 3 | |
| 1 | |
| 1 | |
| 2 | |
| 1 | |
| 2 | |
| 1 | |
| 37 | |
| 7 | |
| 5 | |
| 1 | |
| 1 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 1 | |
| 1 | |
| 4 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 3 | |
| 2 | |
| 1 | |
| 1 | |
| 3 | |
| 2 | |
| 5 | |
| 1 | |
| 2 | |
| 2 | |
| 122 | |
| 1 | |
| 2 | |
| 10 | |
| 3 | |
| 3 | |
| 1 | |
| 1 | |
| 6 | |
| 5 | |
| 2 | |
| 2 | |
| 3 | |
| 2 | |
| 3 | |
| 2 | |
| 23 | |
| 1 | |
| 2 |
| Plaats | Marktonderzoeksbureaus |
| 8 | |
| 2 | |
| 4 | |
| 1 | |
| 2 | |
| 3 | |
| 2 | |
| 11 | |
| 1 | |
| 27 | |
| 95 | |
| 1 | |
| 10 | |
| 3 | |
| 15 | |
| 1 | |
| 3 | |
| 1 | |
| 1 | |
| 2 | |
| 1 | |
| 2 | |
| 1 | |
| 37 | |
| 7 | |
| 5 | |
| 1 | |
| 1 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 1 | |
| 1 | |
| 4 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 3 | |
| 2 | |
| 1 | |
| 1 | |
| 3 | |
| 2 | |
| 5 | |
| 1 | |
| 2 | |
| 2 | |
| 122 | |
| 1 | |
| 2 | |
| 10 | |
| 3 | |
| 3 | |
| 1 | |
| 1 | |
| 6 | |
| 5 | |
| 2 | |
| 2 | |
| 3 | |
| 2 | |
| 3 | |
| 2 | |
| 23 | |
| 1 | |
| 2 |