Demco registered as company limited on June1, 1992 with registered capital MTHB 6 by a group of engineers experienced more than 20 years in transmission line & distributionline system and substation works.At present, the company manages the business as one stop complete range of services for design, construction, and installation in electrical power system, including renewableenergy like wind and solar, and communication system, like fiber optic and signaling as well. Demco factory in Lopburi has manufactured steel supporting structures for high voltage substation equipment installation and for bill board fixing and manufacturedsteel towers for transmission line stringing and radio broadcasting. About trading, Demco has sold electrical hardware accessories for electrical system stringing, construction material, and communication equipment. By the way, Demco has fully carried outin development energy system as an investor for both domestic and international market.