ATEN International Co., Ltd is a Taiwanese multinational manufacturer of connectivity and access management hardware headquartered in Xizhi District, New Taipei, Taiwan. 

Its products include KVM switches, audiovisual switches and matrices, intelligent power distribution units, information technology management systems, and interface adapters. ATEN has subsidiaries in several countries and is the parent company of IOGEAR. The company is currently the largest KVM switch manufacturer in the world.

Founded in 1979, ATEN's first products became available in 1981.

ATEN has subsidiaries in the United States (established in 1996), Belgium (2000), Japan (2004), the United Kingdom (2006), South Korea (2007), China (2007), and Australia (2015); a representative office in Russia (2013); factories in Taiwan and China (2008); and R&D centers in Taiwan, China, and Canada (1998).

According to en.wikipedia