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 201 - 225 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 4018 $3.82 2026-03-01 $3.97 2025-03-01 -3.93%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4021 $3.5 2026-03-01 $3.45 2025-03-01 1.43%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4034 $5.98 2026-03-01 $5.65 2025-03-01 5.52%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4036 $2.11 2026-03-01 $2.1 2025-03-01 0.47%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4038 $3.03 2026-03-01 $2.84 2025-03-01 6.27%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4062 $1.86 2026-03-01 $1.87 2025-03-01 -0.54%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4101 $2.58 2026-03-01 $2.28 2025-03-01 11.63%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4109 $0.59 2026-03-01 $0.55 2025-03-01 6.78%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4110 $0.73 2026-03-01 $0.77 2025-03-01 -5.48%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4111 $1.85 2026-03-01 $1.7 2025-03-01 8.11%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4114 $2.11 2026-03-01 $2.14 2025-03-01 -1.42%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4130 $3.32 2026-03-01 $3.17 2025-03-01 4.52%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4131 $4.82 2026-03-01 $4.34 2025-03-01 9.96%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4133 $2.3 2026-03-01 $2.22 2025-03-01 3.48%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4149 $0.79 2026-03-01 $0.74 2025-03-01 6.33%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4206 $2.67 2026-03-01 $2.58 2025-03-01 3.37%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4207 $2.05 2026-03-01 $1.84 2025-03-01 10.24%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4239 $1.76 2026-03-01 $1.65 2025-03-01 6.25%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4240 $1.92 2026-03-01 $2.06 2025-03-01 -7.29%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4243 $1.78 2026-03-01 $1.8 2025-03-01 -1.12%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4244 $2.4 2026-03-01 $2.3 2025-03-01 4.17%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4250 $1.78 2026-03-01 $1.84 2025-03-01 -3.37%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4251 $2.77 2026-03-01 $2.94 2025-03-01 -6.14%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4263 $4.32 2026-03-01 $4.24 2025-03-01 1.85%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4273 $1.93 2026-03-01 $1.84 2025-03-01 4.66%