The Telecom industry is among the most technology-focused industries in the world. They have a role in every other industry with the basic function of offering a network that every company or individual uses to communicate or transfer data. The biggest companies in telecom offer all sorts of communication services from wired to wireless, internet, and video communication services. Here are the top telecom companies you should know about. AT&T Inc. AT&T offers global communication and digital entertainment services. It is present in the entertainment industry to offer gaming production, television, feature film,......