Nasco
Nasco Corp.
Tokyo, Japan

Nasco Corp. was incorporated in March, 1975 by Mr. Y. Nakano and Mr. H. Usui, who had worked for former company name, Nippon Calculating Machine Corp. (changed its name to BUSICOM Corp). But a recession was hitting Japan and during 1974 Busicom in Japan became the first major Japanese company in the calculator industry to fail.After the failure of Busicom Japan, NASCO Corporation was established in Tokyo.

Source : Nasco web site