Installatiebedrijven Groningen
| Plaats | Installatiebedrijven |
| 1 | |
| 4 | |
| 1 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 23 | |
| 4 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 4 | |
| 1 | |
| 2 | |
| 2 | |
| 3 | |
| 1 | |
| 3 | |
| 1 | |
| 4 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 2 | |
| 1 | |
| 2 | |
| 3 | |
| 1 | |
| 3 | |
| 1 | |
| 1 | |
| 4 | |
| 1 | |
| 2 | |
| 7 | |
| 1 | |
| 2 | |
| 5 | |
| 1 | |
| 4 | |
| 2 | |
| 1 | |
| 3 | |
| 3 | |
| 2 | |
| 1 | |
| 4 | |
| 1 | |
| 2 | |
| 4 |
| Plaats | Installatiebedrijven |
| 1 | |
| 4 | |
| 1 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 23 | |
| 4 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 1 | |
| 4 | |
| 1 | |
| 2 | |
| 2 | |
| 3 | |
| 1 | |
| 3 | |
| 1 | |
| 4 | |
| 2 | |
| 1 | |
| 1 | |
| 1 | |
| 2 | |
| 2 | |
| 1 | |
| 2 | |
| 3 | |
| 1 | |
| 3 | |
| 1 | |
| 1 | |
| 4 | |
| 1 | |
| 2 | |
| 7 | |
| 1 | |
| 2 | |
| 5 | |
| 1 | |
| 4 | |
| 2 | |
| 1 | |
| 3 | |
| 3 | |
| 2 | |
| 1 | |
| 4 | |
| 1 | |
| 2 | |
| 4 |