Argonne National Laboratory (ANL), UChicago Argonne, LLC, and the Department of Energy (DOE) are considered the occupants or tenants of the Theory and Computing Sciences Building.

Authorized Person(s)

Our Authorized Person(s) to communicate requests to the Office of the Building are:

Base Building Contacts:
Angie McKay, Manager, TCS Building Operations – Argonne National Laboratory. Contact 240-building-manager@cels.anl.gov.

Kristen Swift, TCS Building Operations – Argonne National Laboratory. Contact 240-building-manager@cels.anl.gov.

Data Center Contact:
William Lucnik, Data Center Facility Manager – Argonne National Laboratory. Contact dc@cels.anl.gov.

Facilities Management / Office of the Building

The Theory and Computing Sciences Building is professionally managed by CBRE

24/7 Facility Management Hotline – 630-252-0294.

Building Address

Building 240 – Theory and Computing Sciences Building
9700 S. Cass Avenue
Lemont, Illinois 60439

In the event of an emergency, this address should be given to the Police Department, Fire Department, or Emergency Medical System (EMS) department dispatcher. You can report an emergency by dialing 911 from any landline phone. For cell phones, dial 630-252-1911.