Demco Public Company Limited is a Thai engineering and construction company specializing in electrical engineering, energy, and public utilities. The company provides design, procurement, construction, and installation services for high-voltage transmission systems, substations, and renewable energy power plants, including wind and solar. Additionally, it manufactures and distributes steel structures for electrical engineering and telecommunication works. Demco was founded in 1992 and is headquartered in Pathum Thani, Thailand.
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