The Industrial Estate Authority of Thailand (I-EA-T), (Thai: การนิคมอุตสาหกรรมแห่งประเทศไทย) is a state enterprise under control of the Ministry of Industry of Thailand. It was established by the Declaration of the Revolutionary Council No. 339 in 1972. The responsibilities of the authority are to create and organize industrial estates, grouping together industrial facilities in a synergistic manner. The authority also has the responsibility of decentralization of industrial activity away from the capital to outlying provinces of Thailand. The authority is active in fields of environmental issues, workplace safety, land use, insurance, import and export management and promotion, and factory-related infrastructure development such as water supply, electricity distribution, telephony, shopping, housing, and roads.