Seinajoki, Western Finland
Rydboholm, Västra Götaland County
Helsinki, Southern Finland
Ballerup, Capital Region of Denmark
Kvistgaard, Capital Region of Denmark
Falkenberg, Halland County
Karlskrona, Blekinge County
Legal name: Optotel A/S
Vedbaek, Capital Region of Denmark
Eurajoki, Western Finland
Joensuu, Eastern Finland