Venture capital investors include BV Ventures and Battery Ventures.
Here's the link to the Company press release: http://investor.angieslist.com/releasedetail.cfm?ReleaseID=624660
Link to the Company's Final Prospectus filed with the SEC: http://www.sec.gov/Archives/edgar/data/1491778/000119312511314921/d222159d424b4.htm
Link to Bloomberg article about the IPO: http://www.bloomberg.com/news/2011-11-16/angie-s-list-raises-114-million-pricing-ipo-at-top-of-range.html