Del Frisco's Restaurant Group, which owns and operates 31 high end steakhouses in 18 states, registered with the SEC on Tuesday for a $100 million IPO. The Southlake, TX-based company, which was acquired by Lone Star Fund in 2007, booked $186 million in sales for the twelve months ended September 6, 2011. Sales growth for the most recent nine month period was 19%. Deutsche Bank Securities and Piper Jaffray are the lead underwriters on the deal. Del Frisco's plans to list on either the NASDAQ or the New York Stock Exchange under a symbol to be announced.