Zeny Corp.
Taipei, Taiwan

Zeny was founded already 1974 in Taipei, Taiwan and manufactures telephone sets, answering machines and electronic calculators. In 2004 Zeny Corp. counted about 600 employees. In the 1990's Zeny Corp. (Shenzen) was established in China and we know Texas Instruments calculators from both plants (TI-5024/Taiwan, TI-5033 II/China). Other major customers of Zeny are Canon and Sharp of Japan.

Source : Joerg Woerner, Datamath Calculator Museum