Official definition

This industry group comprises establishments primarily engaged in offering or providing instruction (except academic schools, colleges, and universities; business, computer, and management instruction; and technical and trade instruction). Instruction may be provided in diverse settings, such as the establishment's or client's training facilities, educational institutions, the workplace, or the home, and through diverse means, such as correspondence, television, the Internet, or other electronic and distance-learning methods. The training provided by these establishments may include the use of simulators and simulation methods.