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COVERAGE / WORKERS' COMP / STATES / ILLINOIS
WORKERS' COMP · ILLINOIS

Workers' comp in Illinois.

Illinois requires workers' comp from the first employee. Class codes follow NCCI's manual, with Illinois's exceptions. You buy coverage from carriers.

REQUIRED
From the first employee
RATING BUREAU
NCCI
CLASS CODES
NCCI codes
BUY FROM
Carriers
WHO MUST CARRY IT

Required from the first employee.

The rule

Illinois requires workers' comp from the first employee.

Source: IWCC, Insurance, checked October 5, 2026.

Coverage rules: IWCC, Insurance, checked October 5, 2026.

CLASS CODES HERE

Class codes follow NCCI's manual, with Illinois's exceptions.

Rating bureau

NCCI is Illinois's rating organization.

NCCI (National Council on Compensation Insurance)

Class system

NCCI's codes, with Illinois's exceptions.

Manual: NCCI Basic Manual for Workers Compensation and Employers Liability Insurance, with state exceptions (subscription)

Codes on our pages

Not confirmed for Illinois: NCCI states use NCCI's codes with their own exceptions. An advisor confirms your class codes.

All class codes, by industry

List: NCCI State Map: NCCI, independent bureau and monopolistic states, read from an archived copy dated September 29, 2026; not confirmed for the codes on our pages.

ESTIMATE YOUR PREMIUM

Your payroll, your rate, before discounts and assessments.

Your rate comes from carriers that actively write the class.

Payroll in this class
Codes on our pages; not confirmed for Illinois. An advisor confirms your class codes.
Gross pay for the work in this class. Pre-tax deductions (401(k), Section 125) count. Overtime premium (the extra half) usually does not. Check your state's rules.
For the cost per employee.
PAY FREQUENCY
Your rating
From your quote or policy. Where loss costs are filed instead of rates, as in Texas, they leave out the carrier's expenses and are lower than your rate.
Compares your payroll and claims with the average employer in the same class codes. At 1.00 premium is unchanged; below 1.00 it drops, above 1.00 it rises.
SCHEDULE RATING
0 if your quote shows none.
If your quote shows one.
ESTIMATED ANNUAL PREMIUM · THIS CLASS
Enter your rate
Before discounts and assessments.

Worklio Insurance bills pay-as-you-go comp with each payroll, no deposit; the audit usually confirms what you've already paid.

Not included: premium discount on larger policies, state assessments, terrorism and catastrophe charges, minimum premium.Get a real quote

COMMON QUESTIONS

Do I need workers' comp in Illinois?
Yes. Illinois requires workers' comp from the first employee.
Who sets class codes in Illinois?
NCCI, as Illinois's rating organization. Class codes follow NCCI's manual, with Illinois's exceptions. An advisor confirms your class codes.
Is Worklio Insurance licensed in Illinois?
Worklio Insurance Services LLC's producer is licensed in Illinois, and the agency license there has been applied for. See insurance licenses

SOURCES

Figures as of September 29, 2026.

For planning, not a quote or a classification ruling. An advisor confirms your class codes with your carrier.

MORE ON WORKERS' COMP

ALL STATESWorkers' comp by stateWho must carry it, who sets class codes and where to buy, in each state.ALL CLASS CODESEvery code, by industryOffice, sales and the codes for each industry we serve.COVERAGEWorkers' compPay-as-you-go premiums billed with each payrollWORKLIO HCMPayroll taxes in IllinoisEmployer payroll tax rates, on Worklio HCM.

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