AOC is a computer monitor brand, manufactured by little known yet extremely large Envision Peripherals (http://www.epius.com/).
AOC has a corporate identity and distribution network of its own, with branches in North America, Europe, Latin America and Asia-Pacific. Their main production facilities are in China, and they're all ISO 9001 and ISO 14000 certified.
They currently make ultra-thin LCDs, "pure flatface" and standard CRTs. For more information, their web site's at http://www.aocmonitor.com/