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 251 - 275 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 4703 $3.24 2026-07-01 $3.37 2025-05-01 -4.01%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4717 $3.88 2026-07-01 $3.91 2025-05-01 -0.77%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4720 $4.51 2026-07-01 $4.22 2025-05-01 6.43%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4740 $1.88 2026-07-01 $1.75 2025-05-01 6.91%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4741 $5.87 2026-07-01 $5.26 2025-05-01 10.39%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4751 $4.6 2026-07-01 $4.86 2025-05-01 -5.65%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4771 $4.69 2026-07-01 $4.62 2025-05-01 1.49%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4777 $8.75 2026-07-01 $7.97 2025-05-01 8.91%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4825 $1.66 2026-07-01 $1.55 2025-05-01 6.63%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4828 $3.65 2026-07-01 $3.6 2025-05-01 1.37%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4829 $2.11 2026-07-01 $1.95 2025-05-01 7.58%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4902 $3.72 2026-07-01 $3.44 2025-05-01 7.53%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4923 $2.75 2026-07-01 $2.31 2025-05-01 16%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 5020 $5.76 2026-07-01 $6.04 2025-05-01 -4.86%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 5022 $9.19 2026-07-01 $9.57 2025-05-01 -4.13%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 5037 $14.65 2026-07-01 $14.16 2025-05-01 3.34%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 5040 $10.75 2026-07-01 $11.79 2025-05-01 -9.67%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 5057 $6.48 2026-07-01 $6.62 2025-05-01 -2.16%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 5059 $28.09 2026-07-01 $30.04 2025-05-01 -6.94%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 5102 $9.06 2026-07-01 $8.68 2025-05-01 4.19%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 5146 $6.28 2026-07-01 $6.62 2025-05-01 -5.41%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 5160 $3.15 2026-07-01 $3.09 2025-05-01 1.9%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 5183 $4.83 2026-07-01 $4.8 2025-05-01 0.62%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 5188 $4.89 2026-07-01 $4.53 2025-05-01 7.36%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 5190 $4.15 2026-07-01 $3.84 2025-05-01 7.47%