Does the Illinois Department of Revenue contract with outside collection agencies to collect taxpayer debt?

Yes. IDOR currently contracts with the following agencies:

GC Services
440 Airport Rd. Suite C 
Elgin, IL 60123 
866 749-7279 
   

Harris & Harris
111 W. Jackson Blvd.  Suite 400
Chicago, IL 60604 
866 354-0385 
   

Harvard Collection Services 
Harvard Business (HCS)
4839 N. Elston Ave.  
Chicago, IL 60630
800 265-4764    

Transworld System Inc.  
150 N. Field Dr.  
Lake Forest, IL 60045  
866 811-5205    

Linebarger Goggan Blair Sampson 
233 S Wacker Dr. Suite 4030
PO Box 06140 
Chicago, IL 60606-0140 
866 857-1848


Alliance One
12 Northpoint Dr.
Streator, IL 61364
833 649-1552


If you have additional inquiries, you may submit them to the Questions, Comments, or Request form.