Sky Tower Public Company Limited (STOWER) is Thailand's first high-voltage transmission tower manufacturer and a leading telecommunication tower manufacturer. The company designs, manufactures, and installs steel structures for transmission lines, substations, and telecommunication towers for mobile network operators. Additionally, Sky Tower offers galvanizing services, steel fabrication, distribution of industrial products, and manages biomass and renewable energy businesses. Headquartered in Bangkok, Thailand, the company was founded in 1967.