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 501 - 525 of 553

Company name Sort descending NAIC Class Code Current Rate Current Effective Date Previous Rate Previous Effective Date % of Rate change
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8856 $0.54 2026-03-01 $0.53 2025-03-01 1.85%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8861 $1.22 2026-03-01 $1.25 2025-03-01 -2.46%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8868 $0.5 2026-03-01 $0.48 2025-03-01 4%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8869 $1.07 2026-03-01 $1.07 2025-03-01 0%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8871 $0.04 2026-03-01 $0.05 2025-03-01 -25%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8901 $0.13 2026-03-01 $0.13 2025-03-01 0%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 9012 $0.82 2026-03-01 $0.78 2025-03-01 4.88%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 9014 $2.29 2026-03-01 $2.27 2025-03-01 0.87%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 9015 $3.35 2026-03-01 $3.36 2025-03-01 -0.3%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 9016 $2.79 2026-03-01 $2.78 2025-03-01 0.36%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 9019 $2.91 2026-03-01 $2.99 2025-03-01 -2.75%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 9033 $2.16 2026-03-01 $2.18 2025-03-01 -0.93%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 9040 $4.6 2026-03-01 $4.45 2025-03-01 3.26%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 9044 $1.33 2026-03-01 $1.26 2025-03-01 5.26%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 9052 $1.92 2026-03-01 $1.9 2025-03-01 1.04%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 9058 $1.69 2026-03-01 $1.71 2025-03-01 -1.18%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 9060 $1.7 2026-03-01 $1.63 2025-03-01 4.12%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 9061 $1.37 2026-03-01 $1.41 2025-03-01 -2.92%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 9062 $1.7 2026-03-01 $1.55 2025-03-01 8.82%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 9063 $0.87 2026-03-01 $0.88 2025-03-01 -1.15%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 9077 $5.04 2026-03-01 $5.68 2025-03-01 -12.7%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 9082 $1.37 2026-03-01 $1.39 2025-03-01 -1.46%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 9083 $1.25 2026-03-01 $1.25 2025-03-01 0%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 9084 $1.5 2026-03-01 $1.42 2025-03-01 5.33%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 9088 $0 2026-03-01 $0 2025-03-01 0%