Skara, Västra Götaland County
Trollhattan, Västra Götaland County
Filipstad, Värmland County
Borgenhaugen, Oestfold
Glanshammar, Örebro County
Rud, Akershus
Tornio, Lapland
Norwegian Crystallites AS produces high purity crystal quartz for high tech. end uses.
Drag, Nordland
Malmo, Skåne County
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