Sky Tower Public Co. Ltd. engages in the provision of electrical technology engineering. It operates through the following segments: Segment 1, Segment 2, Segment 3, and Segment 4. The Segment refers to the business of manufacturing and distributing electricity poles, electricity sub-station, telecommunication towers, galvanizing service, and industrial product, including distributing gas transmission equipment. The Segment 2 is the business of property development. The Segment 3 relates to the business of sale of other products. The segment 4 is the business of biomass power plant. The company was founded in 1967 and is headquartered in Bangkok, Thailand.