- Parksang Electronic Limited
- Address:120SuomenTasavalta Helsinki,
- Cai Electronics and Musical Instrument
- Address:Kaaritie 7 12100 OITTI Finland Kaaritie 7 12100 OITTI Finland Kaaritie 7 12100 OITTI Finland 12100 OI Finland
- Oneil Factory
- Address:Woodroad 32 Oulu Finland
- Halla Custom Instruments
- Address:Harjunsalontie 1 A 11 Kangasala Finland
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