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 401 - 425 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 7580 $2.88 2026-03-01 $2.77 2025-03-01 3.82%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7590 $3.62 2026-03-01 $3.76 2025-03-01 -3.87%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7600 $4.18 2026-03-01 $4.3 2025-03-01 -2.87%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7605 $2.48 2026-03-01 $2.26 2025-03-01 8.87%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7610 $0.57 2026-03-01 $0.53 2025-03-01 7.02%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7705 $5.24 2026-03-01 $4.9 2025-03-01 6.49%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7710 $6.52 2026-03-01 $6.3 2025-03-01 3.37%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7711 $6.52 2026-03-01 $6.3 2025-03-01 3.37%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7720 $3.76 2026-03-01 $3.68 2025-03-01 2.13%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7855 $3.7 2026-03-01 $3.74 2025-03-01 -1.08%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8001 $2.4 2026-03-01 $2.3 2025-03-01 4.17%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8002 $2.23 2026-03-01 $2.24 2025-03-01 -0.45%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8006 $1.85 2026-03-01 $1.87 2025-03-01 -1.08%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8008 $1.06 2026-03-01 $1.07 2025-03-01 -0.94%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8010 $2.82 2026-03-01 $2.5 2025-03-01 11.35%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8013 $0.33 2026-03-01 $0.37 2025-03-01 -12.12%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8015 $0.91 2026-03-01 $0.83 2025-03-01 8.79%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8017 $1.58 2026-03-01 $1.62 2025-03-01 -2.53%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8018 $3.14 2026-03-01 $3.04 2025-03-01 3.18%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8021 $3.45 2026-03-01 $3.26 2025-03-01 5.51%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8031 $2.09 2026-03-01 $2.18 2025-03-01 -4.31%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8032 $1.97 2026-03-01 $1.92 2025-03-01 2.54%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8033 $1.83 2026-03-01 $1.79 2025-03-01 2.19%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8034 $2.72 2026-03-01 $2.62 2025-03-01 3.68%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8037 $2.2 2026-03-01 $2.11 2025-03-01 4.09%