Social Media Red Bull boasts most YouTube subscribers among brands PlayStation, Rockstar Games, Apple and GoPro Camera round out the top five. By Kevin Allen@kevin_j_allenNov. 4, 2013 SHARE Ragan Insider Premium Content Here are the top 10, according to Mashable: To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.