CACI International

YouTube is an American online video-sharing platform headquartered in San Bruno, California. Three former PayPal employees—Chad Hurley, Steve Chen, and Jawed Karim—created the service in February 2005. Google bought the site in November 2006 for US$1.65 billion; YouTube now operates as one of Google's subsidiaries.

The Hewlett-Packard Company (commonly referred to as HP, and stylized as hp) or Hewlett-Packard ( HEW-lit PAK-…ôrd) was an American multinational information technology company headquartered in Palo Alto, California. It developed and provided a wide variety of hardware components as well as software and related services to consumers, small- and medium-sized businesses (SMBs) and large enterprises, including customers in the government, health and education sectors. The company was founded in a one-car garage in Palo Alto by Bill Hewlett and David Packard, and initially produced a line of electronic test equipment.

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

Amazon.com, Inc. is an American electronic commerce and cloud computing company founded by Jeff Bezos in 1994.

Alphabet is a multinational conglomerate that serves as the parent company of Google and several other subsidiaries. It was created in 2015 as a restructuring of Google, with the goal of making the various parts of the company more manageable and allowing them to operate more independently. The company is led by CEO Sundar Pichai and is headquartered in Mountain View, California.

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.