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 476 - 500 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 8725 $2.5 2026-03-01 $2.08 2025-03-01 16.8%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8726 $1.08 2026-03-01 $1.28 2025-03-01 -18.52%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8728 $0.51 2026-03-01 $0.54 2025-03-01 -5.88%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8734 $0.38 2026-03-01 $0.37 2025-03-01 2.63%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8737 $0.34 2026-03-01 $0.34 2025-03-01 0%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8738 $0.61 2026-03-01 $0.59 2025-03-01 3.28%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8742 $0.28 2026-03-01 $0.27 2025-03-01 3.57%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8745 $4.48 2026-03-01 $4.26 2025-03-01 4.91%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8748 $0.53 2026-03-01 $0.56 2025-03-01 -5.66%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8755 $0.34 2026-03-01 $0.32 2025-03-01 5.88%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8799 $0.69 2026-03-01 $0.66 2025-03-01 4.35%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8800 $1.98 2026-03-01 $1.74 2025-03-01 12.12%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8803 $0.04 2026-03-01 $0.05 2025-03-01 -25%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8805 $0.18 2026-03-01 $0.18 2025-03-01 0%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8810 $0.14 2026-03-01 $0.13 2025-03-01 7.14%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8814 $0.16 2026-03-01 $0.16 2025-03-01 0%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8815 $0.3 2026-03-01 $0.27 2025-03-01 10%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8820 $0.12 2026-03-01 $0.13 2025-03-01 -8.33%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8824 $2.09 2026-03-01 $2.11 2025-03-01 -0.96%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8826 $1.86 2026-03-01 $1.84 2025-03-01 1.08%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8831 $1.32 2026-03-01 $1.28 2025-03-01 3.03%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8832 $0.31 2026-03-01 $0.29 2025-03-01 6.45%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8833 $1.21 2026-03-01 $1.22 2025-03-01 -0.83%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8835 $2.22 2026-03-01 $2.16 2025-03-01 2.7%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8855 $0.12 2026-03-01 $0.13 2025-03-01 -8.33%