Have they said what businesses are in the building?135 S. LaSalle is the LaSalle Bank HQ.
From the LaSalle Bank website:
LaSalle Bank is headquartered in Chicago and has $62.8 billion in assets and $36.4 billion in deposits. One of the largest banks in the Midwest and second largest in Chicago, LaSalle Bank serves individuals, small businesses, middle market companies and institutions with streamlined solutions to meet the scope of customers' financial needs. LaSalle has more than 140 retail locations and 500 ATMs throughout Chicago and the neighboring suburbs. Online banking is offered through lasallebank.com.LaSalle maintains commercial banking offices in Cleveland, Cincinnati, Denver, Indianapolis, Kansas City, Milwaukee, Minneapolis, Pittsburgh, Des Moines, Rockford and Peoria, Illinois, St. Louis, Tampa and Miami. Subsidiaries include LaSalle National Leasing Corporation, LaSalle Business Credit, LLC and ABN AMRO Financial Services, Inc.
Parent company, LaSalle Bank Corporation, is headquartered in Chicago with $106.6 billion in assets. LaSalle Bank Corporation is a subsidiary of Netherlands-based ABN AMRO Bank N.V., one of the world’s largest banks with total assets of EUR 632.8 billion with more than 3,000 locations in over 60 countries. Learn more about LaSalle Bank in our corporate profile and fact sheet.