Nationwide Mutual Insurance Company is a U.S. insurance and financial services company based in Columbus, Ohio.
The font used for the logo of the company is probably Avenir 95 Black designed by Adrian Frutiger in 1988. The font is a commercial one and you can purchase and download it here.
Download Avenir Font
The Avenir font identified above is not available for free, please follow the link above and purchase the font. Meanwhile, you can take a look at our collection of fonts for cars, pop music and apparel as well as round-ups of new & fresh fonts around the web.