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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. 

Handbook

The handbook provides a basic explanation of the workers' compensation program, benefits, and procedures at the Commission.

Handbook on Workers' Compensation and Occupational Diseases (updated 06.06.24)

Podręcznik dot. pracowniczych ubezpieczeń odszkodowawczych oraz chorób zawodowych

Manual de Compensacion del los trabajadores y enfermedades ocupacionales (updated 09.16.24)

If you would like us to mail you a copy of the handbook, please click here.

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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

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