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 376 - 400 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 7350 $5.77 2026-03-01 $6.51 2025-03-01 -12.82%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7360 $5.5 2026-03-01 $5.42 2025-03-01 1.45%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7370 $5.99 2026-03-01 $5.46 2025-03-01 8.85%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7380 $7.02 2026-03-01 $6.9 2025-03-01 1.71%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7382 $6.4 2026-03-01 $6.32 2025-03-01 1.25%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7390 $6.05 2026-03-01 $5.89 2025-03-01 2.64%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7394 $5 2026-03-01 $4.98 2025-03-01 0.4%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7395 $5.56 2026-03-01 $5.54 2025-03-01 0.36%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7398 $8.94 2026-03-01 $8.9 2025-03-01 0.45%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7402 $0.11 2026-03-01 $0.11 2025-03-01 0%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7403 $5.05 2026-03-01 $4.96 2025-03-01 1.78%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7405 $1.36 2026-03-01 $1.33 2025-03-01 2.21%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7420 $10.91 2026-03-01 $9.5 2025-03-01 12.92%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7421 $0.59 2026-03-01 $0.59 2025-03-01 0%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7422 $1.14 2026-03-01 $1.25 2025-03-01 -9.65%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7425 $1.85 2026-03-01 $1.76 2025-03-01 4.86%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7431 $0.85 2026-03-01 $0.9 2025-03-01 -5.88%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7445 $0.73 2026-03-01 $0.72 2025-03-01 1.37%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7453 $0.46 2026-03-01 $0.48 2025-03-01 -4.35%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7502 $2.26 2026-03-01 $2.06 2025-03-01 8.85%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7515 $0.96 2026-03-01 $1.06 2025-03-01 -10.42%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7520 $2.9 2026-03-01 $2.94 2025-03-01 -1.38%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7538 $2.72 2026-03-01 $3.1 2025-03-01 -13.97%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7539 $1.76 2026-03-01 $1.78 2025-03-01 -1.14%
MASSACHUSETTS BAY INSURANCE COMPANY 008822306 7540 $3.31 2026-03-01 $3.18 2025-03-01 3.93%