Nationwide Mutual Insurance Company & Affiliated Companies is a group of large U.S. insurance and financial services companies based in Columbus, OH. The company also operates regional headquarters in Des Moines, IA; San Antonio, TX; Gainesville, FL; Lynchburg, VA; Raleigh, NC; and Westerville, OH.Nationwide Financial Services (NFS), a component of the group, was partially floated on the New York Stock Exchange prior to being repurchased by Nationwide Mutual in 2009.