ProctorU

Typeform is a Barcelona-based online software as a service company that specializes in online form building and online surveys.

Deloitte Touche Tohmatsu Limited, commonly referred to as Deloitte, is a multinational professional services network. Deloitte is one of the "Big Four" accounting organizations and the largest professional services network in the world by revenue and number of professionals.

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.

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

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.