The Kioritz Corporation (Japanese: 共立) (Kyōritsu) was a global manufacturer of forestry and agricultural machinery, as well as outdoor power equipment.

In 1971, the Kyoritsu Noki Company changed its name to the Kioritz Corporation and launched the CS-302, its first 'professional' saw and the first to bear its distinctive orange casing.

The Echo brand of hand-held petrol powered tools including chainsaws, brushcutters, hedge trimmers and leaf blowers are manufactured in Yokosuka and Morioka, with other major plants in Shenzhen, China and Lake Zurich, Illinois.

[5] Shindaiwa Incorporated is a global manufacturer of welding machines, generators, agricultural and forestry machinery, and outdoor power equipment.

[6] Manufacture of Shindaiwa products in Japan is in Yokosuka, Morioka, and Hiroshima, with other plants in Shenzhen, China, and Lake Zurich, Illinois.