This indicator represents the portion of a state's business establishments that are classified as being part of industries with high employment in science, engineering, and technology (SET) occupations. High SET employment industries are defined as those in which the proportion of employees in technology-oriented occupations is at least twice the average proportion for all industries. SET occupations include scientific, engineering, and technician occupations that employ workers who generally possess in-depth knowledge of the theories and principles of science, engineering, and mathematics at a postsecondary level.