Customers highlighted on their homepage: Alaska Air, Ticketmaster, Vimeo, Airbnb, Pinterest, NYT, Twitter, and Buzzfeed. I guess that leaves, New Relic and Github from their S1.

Though they also have several media heavy companies besides Vimeo highlighted in their case studies. Including: Wistia, A&E, iHeartMedia, Shazam, 7Digital, and FuboTV