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 51 - 75 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 2021 $3.42 2026-03-01 $3.41 2025-03-01 0.29%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2039 $3.97 2026-03-01 $4.08 2025-03-01 -2.77%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2041 $3.25 2026-03-01 $3.34 2025-03-01 -2.77%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2065 $2.36 2026-03-01 $2.35 2025-03-01 0.42%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2070 $5.66 2026-03-01 $5.34 2025-03-01 5.65%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2081 $5.39 2026-03-01 $5.89 2025-03-01 -9.28%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2089 $3.36 2026-03-01 $3.28 2025-03-01 2.38%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2095 $3.59 2026-03-01 $3.81 2025-03-01 -6.13%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2105 $5.41 2026-03-01 $5.23 2025-03-01 3.33%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2110 $3.83 2026-03-01 $3.44 2025-03-01 10.18%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2111 $2.86 2026-03-01 $2.74 2025-03-01 4.2%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2112 $4.86 2026-03-01 $4.93 2025-03-01 -1.44%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2114 $3.02 2026-03-01 $2.93 2025-03-01 2.98%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2121 $1.73 2026-03-01 $1.57 2025-03-01 9.25%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2130 $2.95 2026-03-01 $2.61 2025-03-01 11.53%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2131 $2.89 2026-03-01 $2.98 2025-03-01 -3.11%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2143 $2.68 2026-03-01 $2.58 2025-03-01 3.73%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2157 $5.08 2026-03-01 $4.98 2025-03-01 1.97%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2172 $2.35 2026-03-01 $2.21 2025-03-01 5.96%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2174 $4.17 2026-03-01 $4 2025-03-01 4.08%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2211 $10.53 2026-03-01 $10.05 2025-03-01 4.56%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2220 $3.46 2026-03-01 $3.06 2025-03-01 11.56%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2288 $5.67 2026-03-01 $5.46 2025-03-01 3.7%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2302 $2.69 2026-03-01 $2.58 2025-03-01 4.09%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2305 $2.87 2026-03-01 $2.74 2025-03-01 4.53%