Chicago   |  Springfield



Cornerstone opened its Chicago, Illinois office in April 2012 and four years later, also opened a Springfield office to build out the firm’s presence in the state. With offices in both cities, the Cornerstone Illinois team is well-versed on major legislative issues and offers hands-on client service. The Illinois team is supported by four D.C.-based senior professionals, with experience and relationships in both the public and private sectors and vast expertise in legislative strategy, government relations and advocacy at the federal, state and local levels across a variety of industries.

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Office Locations

Chicago, IL
300 E Monroe Street
Suite 20D
Springfield, IL 62701