AppRiver — featured in this blog in 2009 — like Agiliance, finds itself once again on Inc. Magazine’s 2011 500|5000 list. Over the past two years, the company, which was founded in 2002 by CEO Michael Murdoch and CIO Joel Smith, has more than doubled its 2007 revenue of $11.4 million to $27.9 million, giving AppRiver a three-year