| ADDCON: |
+ 47 35 56 41 00 |
| Bilfinger: |
+ 47 032 47 |
| Equinor |
+47 51 99 00 00 |
| Evry: |
+47 065 00 |
| Siva Herøya: |
+47 35 57 33 00 |
| Hydro: |
+47 22 53 81 00 |
| Inovyn: |
+47 35 00 60 00 |
| RHI Magnesita: |
+47 480 99 500 |
| Yara: |
+47 24 15 70 00 |
| Main Reception |
+47 35 92 65 02 |
|
Reception |
+47 35 92 65 65 |
| Herøya Industripark AS |
+47 35 92 65 00 |