Viterbi Startup Garage: Tech accelerator formed with venture capital firm Kleiner Perkins Caufield & Byers and the USC Viterbi School of Engineering to invest in 10 companies by late summer


TheAudience: A social media management company whose clients include Charlize Theron, Jack Black and Hugh Jackman
Raine Group: Advises and invests in companies doing business around information, content creation and audience; has invested in Vice Media and Zumba Fitness
Red Interactive: Digital agency that includes Ford Motors, ESPN, Dr. Oz, UFC and "The Hunger Games" as clients
Chaotic Moon: Mobile app studio, with Disney, Marvel and Fox as clients
OpenSky: E-commerce platform; Bobby Flay and Serena Williams are among the clients
Uber: Car service app (pictured right)
Social Cam: App to share video on social networks
Chill: Online video site
Path: Social networking-enabled photo sharing and messaging service for mobile devices
OToy: Cloud rendering company that delivers cinema-quality 3D graphics in real time to filmmakers, designers and animators
Catch Media: Developer of “Play Anywhere” technology to help people access digital files stored on their computers using any mobile device
Airtime: Video chat network