Communications Services NEC is an industry that encompasses a wide range of communication services that are not classified under other SIC codes. This industry involves providing various communication services to individuals, businesses, and organizations. The services provided by companies in this industry are diverse and can include anything from telephone answering services to satellite communication services. Companies in this industry may offer services such as voice and data communication, internet services, wireless communication, and cable and satellite television services. They may also provide services related to the installation, maintenance, and repair of communication equipment. The industry is constantly evolving, with new technologies and services being introduced regularly. The companies in this industry may serve a variety of customers, including individuals, small businesses, large corporations, and government agencies. The services provided by these companies are essential for communication and are used by people and organizations around the world.