Persistent Cleveland

Like other Midwestern U.S. cities with manufacturing roots, it has tried to diversify. In recent years Cleveland lost TRW, Office Max, BP, and Oglebay Norton to acquisitions, mergers and re-structurings. But it’s still headquarters to National City Bank, American Greetings, Eaton Corporation, Sherwin-Williams, Parker-Hannifin and Aleris International. It’s become a go-to city for biotechnology and fuel cell research, led