salesforce tower is a skyscraper in indianapolis, indiana, united states. it is 247 meters (811 feet) tall and has 49 floors and is one of the tallest buildings in the world. it was built in 1990 and was named bank one tower. in 2004 its name was changed to chase tower because chase bank bought bank one corporation. in 2017 its name was changed again, to salesforce tower because salesforce bought the naming rights.