With Box's successful IPO last week, there are now 25 public companies in the cloud computing market worth more than $1 billion, according to Bessemer Venture Partners' Cloud Index. And the market cap of the top 30 cloud tracked by the BVP Cloud index hit more than $155 billion last week, too. (The index tracks 41 public companies.) That's grown by a lot. In 2013, when the index was new, the top 30 companies were worth about $100 billion and only 15 of them were worth over $1 billion. Here's another shocker: Byron Deeter and Kristina ShenNo. 25 Hubspot: $1.08 billion Ticker: HUBSStock price: ~$34Market cap: ~$1.08 billion Hubspot offers a cloud service for marketing and sales software. No. 24 Cvent: $1.11 billion Ticker: CVTStock price: ~$27Market cap: ~$1.11 billion Cvent offers cloud-based event management software. No. 23 LogMeIn: $1.18 billion Ticker: LOGMStock price: ~$48Market cap: ~$1.18 billion LogMeIn allows you to remotely log-in and access your computers from anywhere and helps enterprises manage remote computers. See the rest of the story at Business Insider