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 76 - 100 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 2361 $2.67 2026-03-01 $2.51 2025-03-01 5.99%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2362 $3.23 2026-03-01 $3.1 2025-03-01 4.02%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2380 $2.95 2026-03-01 $2.8 2025-03-01 5.08%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2388 $1.92 2026-03-01 $1.86 2025-03-01 3.12%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2402 $2.71 2026-03-01 $2.77 2025-03-01 -2.21%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2413 $2.73 2026-03-01 $2.77 2025-03-01 -1.47%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2416 $3.13 2026-03-01 $3.14 2025-03-01 -0.32%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2417 $1.74 2026-03-01 $1.78 2025-03-01 -2.3%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2501 $2.58 2026-03-01 $2.53 2025-03-01 1.94%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2503 $1.5 2026-03-01 $1.42 2025-03-01 5.33%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2570 $5.07 2026-03-01 $4.91 2025-03-01 3.16%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2585 $4.54 2026-03-01 $4.3 2025-03-01 5.29%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2586 $6.29 2026-03-01 $5.74 2025-03-01 8.74%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2587 $3.25 2026-03-01 $3.3 2025-03-01 -1.54%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2589 $2.78 2026-03-01 $2.75 2025-03-01 1.08%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2600 $5.8 2026-03-01 $5.74 2025-03-01 1.03%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2623 $5.67 2026-03-01 $5.44 2025-03-01 4.06%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2651 $1.98 2026-03-01 $1.92 2025-03-01 3.03%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2660 $2.4 2026-03-01 $2.66 2025-03-01 -10.83%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2688 $3.09 2026-03-01 $3.02 2025-03-01 2.27%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2701 $13.3 2026-03-01 $13.02 2025-03-01 2.11%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2702 $20.49 2026-03-01 $20.3 2025-03-01 0.93%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2709 $13.96 2026-03-01 $12.46 2025-03-01 10.74%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2710 $13.29 2026-03-01 $13.34 2025-03-01 -0.38%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 2714 $5.92 2026-03-01 $5.74 2025-03-01 3.04%