Forth Corp. Public Co. Ltd. engages in the manufacture and distribution of telecommunication and electronic equipment. It operates through the following segments: Electronics Manufacturing Service, Telecommunication, Related Technology, and Retail. The Electronics Manufacturing Service segment designs, manufactures of consigns, turnkey projects, and sales of semiconductor electronic parts which is raw material to produce print circuit boards. The Telecommunication segment designs the network to serve narrowband and broadband through both copper wire and optical fibre cable network, including sales of telecommunication exchange equipment, equipment for the multi Service access node, WDM access switch, and call centre system. The Related Technology segment manufactures, distributes and turnkey on installing the traffic system, tracking system, electronic meters, electronic sign, advertising fee collection from smart traffic boards, and enterprise resource planning service. The Retail Business segment provides domestic and oversea value added top-up or online payment through kiosk system. The company was founded by Pongchai Amatanont in 1989 and is headquartered in Bangkok, Thailand.