The IT/telecommunications core industries consist of industries specializing in performing computer programming and data processing related services, including custom services, internet hosting, and other computer-related services. This sector is particularly entrepreneurial-focused, given the high number of proprietors and self-employed jobs. The industrial inputs revolve around engineering, administrative, and other service-based industries required by the core industries, and the purchasers include a variety of industries, such as hospitals, that require IT/telecommunications services.