QTS Realty Trust, a data center operator serving businesses and government agencies, filed on Friday with the SEC to raise up to $300 million in an initial public offering. The Overland Park, KS-based company, which was founded in 2005 and booked $159 million in sales for the 12 months ended June 30, 2013, plans to list on the NYSE under the symbol QTS. QTS Realty Trust initially filed confidentially on May 31, 2013. Goldman Sachs and Jefferies are the joint bookrunners on the deal. No pricing terms were disclosed.