Bravo Brio Restaurant Group, the operator of the BRAVO! Cucina Italiana and BRIO Tuscan Grille restaurant brands, filed on Friday with the SEC to raise up to $173 million in an initial public offering. The Columbus, OH-based company, which was founded in 1987 and booked $320 million in sales for the 12 months ended May 28, plans to list on the NASDAQ under the symbol BBRG. Jefferies & Co., Piper Jaffray and Wells Fargo Securities are the lead underwriters on the deal. Pricing terms and timing were not disclosed.