Ingenieursbureaus Zuid-Holland
| Plaats | Ingenieursbureaus |
| 1 | |
| 4 | |
| 18 | |
| 1 | |
| 2 | |
| 9 | |
| 2 | |
| 6 | |
| 5 | |
| 5 | |
| 4 | |
| 4 | |
| 2 | |
| 17 | |
| 3 | |
| 4 | |
| 82 | |
| 1 | |
| 124 | |
| 4 | |
| 22 | |
| 1 | |
| 1 | |
| 1 | |
| 10 | |
| 22 | |
| 1 | |
| 2 | |
| 3 | |
| 3 | |
| 1 | |
| 3 | |
| 1 | |
| 1 | |
| 17 | |
| 4 | |
| 4 | |
| 1 | |
| 7 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 4 | |
| 3 | |
| 20 | |
| 2 | |
| 15 | |
| 1 | |
| 2 | |
| 5 | |
| 7 | |
| 1 | |
| 2 | |
| 3 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 3 | |
| 1 | |
| 1 | |
| 3 | |
| 3 | |
| 2 | |
| 4 | |
| 2 | |
| 7 | |
| 2 | |
| 5 | |
| 4 | |
| 1 | |
| 13 | |
| 2 | |
| 1 | |
| 3 | |
| 2 | |
| 2 | |
| 2 | |
| 1 | |
| 8 | |
| 1 | |
| 2 | |
| 117 | |
| 2 | |
| 3 | |
| 2 | |
| 17 | |
| 3 | |
| 2 | |
| 10 | |
| 2 | |
| 7 | |
| 2 | |
| 2 | |
| 2 | |
| 1 | |
| 1 | |
| 11 | |
| 8 | |
| 1 | |
| 5 | |
| 11 | |
| 1 | |
| 5 | |
| 5 | |
| 2 | |
| 28 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 11 |