Watertreathment.
Hedehusene, Capital Region of Denmark
Birkerod, Capital Region of Denmark
Mandal, Vest-Agder
Landskrona, Skåne County
Oslo, Oslo
Nurmijarvi, Southern Finland
Jarfalla, Stockholm County
Riihimaki, Southern Finland
Skedsmokorset, Akershus
Legal name: Aktiebolaget Ifo Vattenrening
Ekero, Stockholm County
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