Koistinen Kantele Ltd. is a manufacturer of kanteles, traditional plucked string instruments of the dulcimer and zither family native to Finland. Located in Rääkkylä, North Karelia, Finland, its current CEO is Hannu Koistinen, and it is a family business. Officially founded in 2000, its history dates back to 1957, when Otto Koistinen built his first kanteles. The company makes both acoustic and electric kanteles, and introduced the kantele as a modern instrument and developed high-level kantele amplifying equipment.