Industrial Estate Authority of Thailand (I-EA-T) is a state enterprise under the Ministry of Industry, be established according to the Revolutionary Council Announcement No.339 dated December 13, 1972. I-EA-T is responsible for the development and establishment of industrial estates by organizing areas for industrial factories to stay together in a systematic and orderly manner, and as a government mechanism to distribute industrial development into all regions across the country, by using "Industrial Estate" a s a tool to implement.