I just saw this story in the International Business Times about Crypto Coins Enterprise Denmark Aps (CCEDK) which is a startup service provider has started to use Steemit to launch their Projects Corner.
http://www.ibtimes.co.uk/ccedk-steemit-bring-crowdfunding-projects-corner-1572290
Here is a video about CCEDK
And here is their website:
https://www.ccedk.com
Very cool to see Steemit already starting to go mainstream!