The Regions name and logo are joining the city’s skyline atop One Indiana Square. Workers continue to install a new facade for the 36-story building, which was badly damaged by a 2006 storm. Last year, the work revealed the old Indiana National Bank sign. The building last carried the INB flag in the early-1990s, before Indiana’s large local banks fell to out-of-state acquisitions. Birmingham, Alabama-based Regions joins M&I, Chase, Fifth Third, Key and Old National in adorning downtown skyscrapers.