Companies based in Tainan

Taiwan-based performance materials company

Taiwanese food company

international agricultural research institute based in Tainan, Taiwan

thumb|AEON Cobra 220

Taiwanese commercial bank

Himax Technologies, Inc. () is a fabless semiconductor manufacturer headquartered in Tainan City, Taiwan founded on 12 June 2001. The company is publicly traded and listed on the Nasdaq Stock Market under the symbol HIMX. Himax Technologies Limited functions as a holding under the Cayman Islands Companies Law.

Motech Industries Inc. or Motech Solar, is a solar cell manufacturer based in Taiwan, ranked as the 6th largest solar cell manufacturer in the world in 2007.