Demco Public Co. Ltd. sells electric systems equipment and provides electric system construction and service work in electrical engineering and telecommunications. It provides transmission line system, distribution line system, substation, mechanical and electrical system, renewable energy power plant, energy conservative work, telecommunication work, signaling work, steel supporting structure and steel tower manufacturing and trading, electrical equipment and construction material trading, and investment in large scale substitution energy power plants such as wind turbine. The company operates through six different business segments: Electrical Engineering, Renewable Energy, Signaling, Mechanical, Electrical Work, Telecommunication Tower and Energy Conservative. The company was founded on September 1, 1992, and is headquartered in Pathumthani, Thailand.
