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 226 - 250 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 4279 $2.77 2026-03-01 $2.79 2025-03-01 -0.72%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4283 $1.33 2026-03-01 $1.41 2025-03-01 -6.02%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4299 $1.53 2026-03-01 $1.55 2025-03-01 -1.31%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4304 $3.89 2026-03-01 $3.85 2025-03-01 1.03%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4307 $2.05 2026-03-01 $1.92 2025-03-01 6.34%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4351 $0.89 2026-03-01 $0.91 2025-03-01 -2.25%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4352 $1.28 2026-03-01 $1.27 2025-03-01 0.78%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4361 $0.51 2026-03-01 $0.52 2025-03-01 -1.96%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4410 $2.5 2026-03-01 $2.53 2025-03-01 -1.2%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4420 $2.66 2026-03-01 $2.46 2025-03-01 7.52%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4431 $0.89 2026-03-01 $0.89 2025-03-01 0%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4432 $1.26 2026-03-01 $1.12 2025-03-01 11.11%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4452 $2 2026-03-01 $1.98 2025-03-01 1%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4459 $2.1 2026-03-01 $1.9 2025-03-01 9.52%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4470 $2.05 2026-03-01 $1.89 2025-03-01 7.8%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4484 $2.26 2026-03-01 $2.2 2025-03-01 2.65%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4493 $1.73 2026-03-01 $1.82 2025-03-01 -5.2%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4511 $0.32 2026-03-01 $0.28 2025-03-01 12.5%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4557 $2.12 2026-03-01 $2.01 2025-03-01 5.19%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4558 $1.59 2026-03-01 $1.46 2025-03-01 8.18%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4568 $2.37 2026-03-01 $2.43 2025-03-01 -2.53%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4581 $0.95 2026-03-01 $1.01 2025-03-01 -6.32%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4583 $4.1 2026-03-01 $4.17 2025-03-01 -1.71%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4611 $0.81 2026-03-01 $0.82 2025-03-01 -1.23%
ALLMERICA FINANCIAL BENEFIT INSURANCE COMPANY 008841840 4635 $2.2 2026-03-01 $1.94 2025-03-01 11.82%