Agencies
Services
Does the Illinois Department of Revenue contract with outside collection agencies to collect taxpayer debt?
Yes. The Illinois Department of Revenue currently contracts with the following agencies:
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
Chicago, IL 60606-0140
866 857-1848
Alliance One
12 Northpoint Dr.
Streator, IL 61364
833 649-1552
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