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  1. DCEO

Contact Us

Springfield - 217.782.7500
Chicago - 312.814.7179
TTY - 800.785.6055

Office phone numbers:

Film Office - 312.814.3600
First Stop Business Information Center - 800.252.2923
Legislative Office - 217.785.6315
Low Income Energy Assistance - 217.785.2533
Regional Economic Development - 312.814.1594
 
Click here for statewide and regional contact information at the Illinois Department of Commerce. Our services are free and confidential for companies looking to grow, expand, or locate in Illinois.

 

Office Locations:

  • 500 E. Monroe Street, Springfield, IL 62701
  • 100 W. Randolph Street, Suite 3-400, Chicago, IL 60601

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