List of Telecommunications Companies

List of the top telecommunications companies in the world, listed by their prominence with corporate logos when available. This list of major telecommunications companies includes the largest and most profitable telecom businesses, corporations, agencies, vendors and firms in the world. If you are wondering what the biggest telecommunications companies are, then this list has you covered. This list includes the most famous telecommunications companies in the industry, so if you're thinking of working in the telecommunications industry you might want to look to these company names for jobs. This list includes names of both small and big telecommunications businesses.

List features Samsung Electronics, AT&T and more companies.

This list answers the questions, "What are the biggest telecommunications companies in the world?" and "What are the most successful telecommunications companies?"
Ranked by
  • 1-800-free411


  • 2Wire
    Telecommunications, Other Computer Peripheral Equipment Manufacturing, Computer Peripheral Equipment
    2Wire provides global telecom carriers with broadband products, software, and service platforms that enable an integrated triple play of networked data, voice, and media services. Award-winning ...more
  • 3


    3 is a brand name under which several UMTS-based mobile phone networks and Broadband Internet Providers are operated in Australia, Austria, Denmark, Hong Kong, Macau, Indonesia, Ireland, Italy, ...more
  • 3 Ireland

    3 Ireland

  • 3Roam


    3Roam provides high-capacity microwave transmission equipments for wireless and packet networks convergence. 3Roam solutions aim at bridging the gap between traditional microwave transmission ...more
  • 3U Holding AG

    3U Holding AG