Oslo Philharmonic Orchestra

Oslo Opera

Arctic Philhrmonic Orchestra

Malmö Opera

Helsingborg Symphony Orchestra, Sweden 

Helsinki Philharmonic Orchestra

Finish Radio Orchestra

Kati Salovaara, pr. bass Finish Radio Orchestra, plays a 5 string Kaagstein model

Eila Saikonnen (Principal Bass, Pori Philharmonic Orchestra , Finland)
Plays a 4 and a 5 string bass made in 2010 and 2005 

Gävele Orchestra, Sweden