Aetna

Ticketmaster Entertainment, Inc. is an American ticket sales and distribution company based in Beverly Hills, California with operations in many countries around the world. In 2010 it merged with Live Nation under the name Live Nation Entertainment.

BlackRock, Inc. is an American global investment management corporation based in New York City. Founded in 1988, initially as a risk management and fixed income institutional asset manager, BlackRock is today the world's largest asset manager with $6.29 trillion in assets under management as of December 2017.

Yahoo! is an American web services provider headquartered in Sunnyvale, California, and owned by Verizon Media. The original Yahoo! company was founded by Jerry Yang and David Filo in January 1994 and was incorporated on March 2, 1995. Yahoo was one of the pioneers of the early Internet era in the 1990s.

The Commonwealth Bank of Australia is an Australian multinational bank with businesses across New Zealand, Asia, the United States and the United Kingdom.

Verizon Communications Inc., or simply Verizon, is an American multinational telecommunications conglomerate and a corporate component of the Dow Jones Industrial Average. The company is based at 1095 Avenue of the Americas in Midtown Manhattan, New York City, but is incorporated in Delaware.

Facebook, Inc. is an American online social media and social networking service.