The Yamabiko Corporation is a Japanese manufacturer of power tools formed with the September 2008 merger of the Kioritz and Shindaiwa corporations. The brands owned and distributed by Yamabiko are Kioritz, Shindaiwa and Echo. The Yamabiko Corporation is based in Ome, Japan.
Yamabiko exports parts to their Echo Incorporated facility in Lake Zurich, Illinois, and assemble Echo and Shindaiwa products there for sale in the USA.Wikipedia