While there’s been some concerns of a tech bubble lately, most internet companies (like social media, e-commerce, or search engines) have done extremely well in recent years.  The Chinese internet giant Alibaba would be the latest company to join that list. Alibaba is set to go public on Friday, when it’s expected to raise over $21 billion in what could be the largest tech IPO of all time.  Here are the 10 internet-based companies that have raised record-high levels of funding by going public.  (Source: Renaissance Capital)10. Renren Inc. (RENN) IPO year: 2011 IPO size: $743 million Revenue (2013): $156.7 million Net income (2013): $63.6 million Market cap: $1.21 billion (as of Sept. 17, 2014) What it does: Renren is the company that owns Renren.com, China’s largest social networking site that’s often referred to as the “Facebook of China.” It also owns Renren Games, Nuomi.com (social commerce site), and Jingwei.com (LinkedIn-clone). 9. Giant Interactive Group (Private) IPO year: 2007 IPO size: $887 million Revenue (2013): $99.9 million Net income (2013): $33.6 million Market cap: N/A (it went private in July 2014) What it does: Giant is a leading Chinese online video game company that listed on the NYSE in 2007, before going back to private ownership in 2014. It makes most of its money by selling in-game virtual goods.  8. Zynga (ZNGA) IPO year: 2011 IPO size: $1 billion Revenue (2013): $873 million Net loss (2013): $36.9 million Market cap: $2.71 billion (as of Sept. 17, 2014) What it does: Zynga is one of the most popular social game producers founded in 2007. Its top franchises include "FarmVille," "Zynga Poker," and "Words with Friends." More than 400 million people have played "FarmVille," according to its site. See the rest of the story at Business Insider