There are several synonyms for the phrase "communications corporation." These synonyms encompass companies that specialize in telecommunications, information technology, and media services. One such synonym is "telecommunications company," which includes businesses that operate in the fields of fixed-line telephone services, broadband internet, wireless communication, and mobile phones. Another synonym is "IT corporation," which refers to businesses that provide hardware, software, and IT services to clients. Finally, "media conglomerate" is a synonym that describes companies that own various media assets, such as television networks, newspapers, and radio stations. All of these synonyms describe businesses that play a critical role in shaping the modern world's communication landscape.