AT&T, Inc. is a holding company, which engages in the provision of telecommunications and digital entertainment services. It operates through the following business segments: Business Solutions, Entertainment Group, Consumer Mobility, and International. The Business Solutions segment provides advanced IP-based services including Virtual Private Networks (VPN); Ethernet-related products; FlexWare, a service that relies on Software Defined Networking (SDN) and Network Functions Virtualization (NFV) to provide application-based routing, and broadband, collectively referred to as strategic services, as well as traditional data and voice products. We utilize our wireless and wired networks to provide a complete communications solution to our business customers. The Entertainment Group segment offers video, internet, voice communication, and interactive and targeted advertising services to customers located in the United States. The Consumer Mobility segment provides nationwide wireless service to consumers, and wholesale and resale subscribers located in the United States. The International segment provides entertainment services in Latin America and wireless services in Mexico. The company was founded in 1983 and is headquartered in Dallas, TX.

Liberty Global Plc is an international television and broadband company, which engages in the provision of broadband communications services, including video, broadband Internet and fixed-line telephony services; B2B services; as well as mobile services. It operates through the following geographical segments: U.K/Ireland; Belgium; Germany; Switzerland/Austria; and Central and Eastern Europe. The company was founded in 2004 and is headquartered in London, the United Kingdom.

Carnival Corp. engages in the operation of cruise ships. It operates through the following segments: North America; Europe, Australia, and Asia (EEA); Cruise Support; and Tour and Other. The North America segment includes Carnival Cruise Line, Holland America Line, Princess Cruises, and Seabourn. The Europe, Australia, and Asia (EEA) segment comprises of AIDA, Costa, Cunard, P&O Cruises (Australia), P&O Cruises (UK). The Cruise Support segment represents port destinations and private islands for the benefit of its cruise brands. The Tour and Other segment o[perates hotel and transportation operations of Holland America Princess Alaska Tours. The company was founded in 1972 and is headquartered in Miami, FL.