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

Planned maintenance of the CompFile system is scheduled for Thursday, March 5, 2026, beginning at 9:00 AM. The update will take approximately 4 hours. A follow-up notification will be sent once the system is back online and available for use.

Resources for Employees

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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