HOT is a group of communication companies that offers customers a variety of communication services, including multi-channel television, fast internet infrastructure, advanced linear telephone services, ISP (internet provider) services – via subsidiary company HOTnet, and cellular connection services – via subsidiary company HOT mobile.

In addition, the company is about to launch international communication services including long-distance calls for fixed and mobile lines. The company employs more than 5,000 direct employees nationwide and around 2,000 outsourced and indirect employees.