6. Zynga: A lesser-known fact about this company founded by Mark Pincus, is that it was first named Presidio Media. The company later changed its name to Zynga, after Pincus’ late American bulldog- Zinga. The company rose to fame through its social games that connected players on Facebook, Orkut, and other social networks. In addition to these, Zynga develops browser-based games that even work on their own without the support of social networks.