It's actually interesting that Maxis is on that list considering it's history. In the 90s, Maxis was it's own independent company that created Simcity to great commercial success. However, afterwards, quite a few of their games like The Crystal Skull and Simcopter were failures to turn a profit which put them in the red and they were then acquisitioned by EA. Which allowed them to complete Simcity3000 and their "Make It or Brake It" title, The Sims which was a huge success.
Without EA's backing it's a great possiblity that The Sims would have never came into being and Maxis would have likely disintergrated.