Are you paying the lowest premium possible for your workers' compensation insurance? We can help you find out by giving you the lowest rates filed with the Department by insurance companies for your class code.

These rates form the basis for calculating your final premium and are a starting point for shopping for workers' compensation insurance. With few exceptions, the rates shown are per one hundred dollars of payroll.

Your final premium cost may depend on other factors besides these base premium rates, such as whether the insurance company will allow you additional premium credits for having a safety program or using managed care programs.

In addition, remember that there are other things to consider when shopping for insurance coverage besides cost, such as the quality of service you will likely receive from your insurance company.

Class codes can be obtained from the NCCI at 800-622-4123.  For general information regarding class codes, you may contact a Workers’ Compensation Specialist in the Property and Casualty Section at 800-394-0964.

Displaying 1 - 25 of 553

Company name Sort descending NAIC Class Code Current Rate Current Effective Date Previous Rate Previous Effective Date % of Rate change
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0005 $2.14 2026-03-01 $2.23 2025-03-01 -4.21%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0008 $1.78 2026-03-01 $1.8 2025-03-01 -1.12%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0016 $2.77 2026-03-01 $2.91 2025-03-01 -5.05%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0034 $2.09 2026-03-01 $2.12 2025-03-01 -1.44%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0035 $1.5 2026-03-01 $1.52 2025-03-01 -1.33%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0036 $3.16 2026-03-01 $3.18 2025-03-01 -0.63%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0037 $2.78 2026-03-01 $2.73 2025-03-01 1.8%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0042 $4.48 2026-03-01 $4.6 2025-03-01 -2.68%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0050 $4.12 2026-03-01 $4.46 2025-03-01 -8.25%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0059 $0 2026-03-01 $0 2025-03-01 0%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0065 $0 2026-03-01 $0 2025-03-01 0%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0066 $0 2026-03-01 $0 2025-03-01 0%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0067 $0 2026-03-01 $0 2025-03-01 0%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0079 $2.01 2026-03-01 $2.06 2025-03-01 -2.49%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0083 $3.36 2026-03-01 $3.27 2025-03-01 2.68%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0106 $4.64 2026-03-01 $4.63 2025-03-01 0.22%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0113 $3.11 2026-03-01 $3.39 2025-03-01 -9%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0170 $1.46 2026-03-01 $1.48 2025-03-01 -1.37%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0251 $2.63 2026-03-01 $2.64 2025-03-01 -0.38%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0401 $6.1 2026-03-01 $6.76 2025-03-01 -10.82%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0771 $0.39 2026-03-01 $0.39 2025-03-01 0%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0908 $98.7 2026-03-01 $100.8 2025-03-01 -2.13%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0913 $354.9 2026-03-01 $365.4 2025-03-01 -2.96%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 0917 $2.75 2026-03-01 $2.95 2025-03-01 -7.27%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 1005 $3.93 2026-03-01 $4.02 2025-03-01 -2.29%