Noodles & Company, a private equity-backed pasta restaurant chain, has filed for a $75 million initial public offering. The company hopes to trade on the NASDAQ or NYSE under the symbol NDLS. Backed by Catterton Partners and based in Colorado, Noodles has 339 restaurants, comprised of 288 company-owned and 51 franchised locations, across 25 states and the District of Columbia. Menu items include noodle dishes from America, the Mediterranean and Asia. Catterton owns a 45.2% stake stemming from a 2010 investment in the company.