200-Car Attached Parking Garage

Warrenville, IL
Exelon Nuclear

McShane Construction provided design/build construction services for the five-story, 153,000 square foot Cornerstone II facility located at Cantera in Warrenville, Illinois, which served as the corporate headquarters for Exelon Nuclear.

Construction of the new facility also encompassed an attached 200-car structured parking garage featuring Warrenville’s first heliport. The facility is adjacent to Cornerstone I, also completed by McShane Construction.


Project Photos