Industrial Estate Authority of Thailand (I-EA-T) การนิคมอุตสาหกรรมแห่งประเทศไทย (กนอ.) As a state enterprise under the Ministry of Industry, the Industrial Estate Authority of Thailand is responsible for the development and establishment of industrial estates, where factories for various industries are orderly and systematically clustered together. With industrial estates as an implementation tool, I-EA-T also serves as a governmental mechanism to decentralize industrial development to provincial areas throughout the country.