Standard Insulator
Link Insulator
Provincial Electricity Authority - www.pea.or.th

Provincial Electricity Authority is the leading international organization in energy business, service business and related business. With the mission to provide, service electricity and related business both in domestic and neighboring countries to meet international standard. In order to meet the customer needs in quality of product and service by developing organization continually. Managing their business in modern way, effectiveness and relate to the market for competition, social responsibility and environment.
Metropolitan Electricity Authority - www.mea.or.th

Metropolitan Electricity Authority is a high performance organization and the leader of distribution system in South East Asia with high class service which emphasis on sustainable growth of related business as well as responsibility for the society and the environment. With the mission to develop the organization to a high performance by having the effective management under the participation of all stakeholders which base on the principals of enhance the reliable image including the social and environment responsibility to develop the power electricity continually.
Thai Industrial Standards Institute - www.tisi.go.th

Thai Industrial Standards Institute is a focal point for standardization for internationally recognized in response to meet the needs of government, business, socity and to strengthen capabilities for sustainable competitiveness. TISIís policy is to undertake standardization with commitment to the promotion and development of the industry, maximizing profit to entrepreneurs ,consumers and a whole of nation.
Thaitrafo Manufacturing Co.,Ltd - www.thaitrafo.com

The objective of Thaitrafo Manufacturing Co.,Ltd is to produce and distribute transformers to domestic and oversea markets under professional management of electrical engineers in order to produce the standard and quality of transformers. With constant determination of the executives, they develop knowledge and expertise to every employee. As a result, all its transformers have passed a short circuit test and been certified by ASTA, KEMA, CES