Upson International Corp. engages in the retail of information technology (IT) related merchandise including a range of hardware and software products. The firm operates stores under the brand names Octagon Computer Superstore, Micro Valley, Gadget King, and Octagon Mobile. It offers personal computers, printers, mobile phones, hard drives, SSD, routers, monitors, projectors, scanners, UPS, motherboard, processor, memory, video cards and casing, cables, mice and keyboards, headsets, and speakers. The company was founded by Ricardo A. Lee and William Lim on April 19, 1995 and is headquartered in Taguig, Philippines.