| Activities along the river | Number | Localisation |
| Energy supply | 7 | Vänersborg Göteborg |
| Paper and wood products | 3 | Vänersborg, LillaEdet |
| Metal production | 4 | Vänersborg, Trollhätan |
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| Göteborg |
| Chemical production | 4 | Trollhätan |
| Waste or wastewater | 7 | Trollhätan Göteborg |
| Others activities | 3 | Trollhätan Göteborg |