Installatiebedrijven Friesland
| Plaats | Installatiebedrijven |
| 2 | |
| 1 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 1 | |
| 1 | |
| 3 | |
| 1 | |
| 1 | |
| 3 | |
| 3 | |
| 1 | |
| 1 | |
| 2 | |
| 1 | |
| 5 | |
| 8 | |
| 1 | |
| 1 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 1 | |
| 3 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 4 | |
| 1 | |
| 1 | |
| 2 | |
| 3 | |
| 9 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 3 | |
| 1 | |
| 1 | |
| 3 | |
| 2 | |
| 1 | |
| 2 | |
| 1 | |
| 11 | |
| 3 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 3 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 6 | |
| 3 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 2 | |
| 8 | |
| 1 | |
| 2 | |
| 1 | |
| 4 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 1 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 3 | |
| 2 | |
| 1 | |
| 2 | |
| 2 | |
| 2 | |
| 1 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 2 |