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Maintenance of the CompFile system is scheduled for Friday, October 31, 2025, beginning at 8:00 AM.  The update will take approximately 5 hours.  A notification will be posted once the system is back online

Assessments and self-insurance fees can now be paid electronically. Click here for instructions. 

Commission Review Board

The Commission Review Board has been dissolved pursuant to Public Act 103-363.

Click here for Archived Commission Review Board Meetings

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Contact Information

Chicago: 312-814-6500

Springfield: 217-785-7087

Collinsville: 618-346-3484

Peoria: 312-814-6500

Rockford: 312-814-6500 If you intend to visit our Peoria or Rockford office, please call first to make sure the office is open.

TDD/TTY Support Line: 866-383-4370

Support: wcc.compfile@illinois.gov

Complaints