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 426 - 450 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 8039 $1.96 2026-03-01 $1.9 2025-03-01 3.06%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8044 $2.62 2026-03-01 $2.45 2025-03-01 6.49%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8045 $0.86 2026-03-01 $0.75 2025-03-01 12.79%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8046 $3.16 2026-03-01 $3.06 2025-03-01 3.16%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8047 $1.12 2026-03-01 $1.04 2025-03-01 7.14%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8058 $2.58 2026-03-01 $2.82 2025-03-01 -9.3%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8061 $1.9 2026-03-01 $1.9 2025-03-01 0%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8072 $0.75 2026-03-01 $0.7 2025-03-01 6.67%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8102 $2.22 2026-03-01 $2.32 2025-03-01 -4.5%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8103 $2.99 2026-03-01 $2.94 2025-03-01 1.67%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8106 $4.62 2026-03-01 $4.86 2025-03-01 -5.19%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8107 $3.21 2026-03-01 $3.28 2025-03-01 -2.18%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8111 $2.31 2026-03-01 $2.29 2025-03-01 0.87%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8116 $2.92 2026-03-01 $2.82 2025-03-01 3.42%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8203 $8.84 2026-03-01 $9.14 2025-03-01 -3.39%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8204 $3.72 2026-03-01 $3.82 2025-03-01 -2.69%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8209 $4.44 2026-03-01 $4.34 2025-03-01 2.25%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8215 $3.92 2026-03-01 $4.14 2025-03-01 -5.61%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8227 $4.55 2026-03-01 $4.56 2025-03-01 -0.22%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8232 $6.45 2026-03-01 $6.7 2025-03-01 -3.88%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8233 $3.58 2026-03-01 $3.31 2025-03-01 7.54%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8235 $4.83 2026-03-01 $4.78 2025-03-01 1.04%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8263 $6.88 2026-03-01 $7.09 2025-03-01 -3.05%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8264 $5 2026-03-01 $5.25 2025-03-01 -5%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 8265 $5.15 2026-03-01 $5.22 2025-03-01 -1.36%