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 326 - 350 of 549

Company name Sort descending NAIC Class Code Current Rate Current Effective Date Previous Rate Previous Effective Date % of Rate change
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 6325 $4.45 2026-07-01 $4.73 2025-05-01 -6.29%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 6400 $6.55 2026-07-01 $6.79 2025-05-01 -3.66%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 6503 $3.98 2026-07-01 $3.84 2025-05-01 3.52%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 6504 $4.11 2026-07-01 $3.73 2025-05-01 9.25%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 6702 $5.81 2026-07-01 $5.86 2025-05-01 -0.86%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 6703 $10.39 2026-07-01 $10.46 2025-05-01 -0.67%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 6704 $6.46 2026-07-01 $6.5 2025-05-01 -0.62%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 6824 $7.55 2026-07-01 $8.52 2025-05-01 -12.85%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 6825 $2.55 2026-07-01 $2.89 2025-05-01 -13.33%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 6826 $3.87 2026-07-01 $4.44 2025-05-01 -14.73%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 6834 $3.71 2026-07-01 $3.57 2025-05-01 3.77%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 6835 $4.68 2026-07-01 $4.6 2025-05-01 1.71%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 6836 $4.25 2026-07-01 $4.35 2025-05-01 -2.35%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 6845 $0 2026-07-01 $0 2025-05-01 0%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 6872 $9.33 2026-07-01 $10.52 2025-05-01 -12.75%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 6874 $10.65 2026-07-01 $13.32 2025-05-01 -25.07%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 6882 $4.33 2026-07-01 $4.6 2025-05-01 -6.24%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 6884 $7.89 2026-07-01 $7.86 2025-05-01 0.38%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 7016 $4.89 2026-07-01 $4.55 2025-05-01 6.95%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 7024 $5.43 2026-07-01 $5.06 2025-05-01 6.81%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 7038 $7.94 2026-07-01 $8.15 2025-05-01 -2.64%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 7046 $16.61 2026-07-01 $16.27 2025-05-01 2.05%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 7047 $8.74 2026-07-01 $8.15 2025-05-01 6.75%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 7050 $14.19 2026-07-01 $14.56 2025-05-01 -2.61%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 7090 $8.82 2026-07-01 $9.06 2025-05-01 -2.72%