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 226 - 250 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 4352 $2.7 2026-07-01 $2.69 2025-05-01 0.37%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4361 $1.08 2026-07-01 $1.11 2025-05-01 -2.78%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4410 $5.27 2026-07-01 $5.35 2025-05-01 -1.52%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4420 $5.61 2026-07-01 $5.19 2025-05-01 7.49%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4431 $1.88 2026-07-01 $1.89 2025-05-01 -0.53%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4432 $2.65 2026-07-01 $2.38 2025-05-01 10.19%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4452 $4.23 2026-07-01 $4.2 2025-05-01 0.71%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4459 $4.43 2026-07-01 $4.02 2025-05-01 9.26%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4470 $4.34 2026-07-01 $4 2025-05-01 7.83%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4484 $4.78 2026-07-01 $4.66 2025-05-01 2.51%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4493 $3.65 2026-07-01 $3.84 2025-05-01 -5.21%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4511 $0.66 2026-07-01 $0.6 2025-05-01 9.09%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4557 $4.48 2026-07-01 $4.24 2025-05-01 5.36%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4558 $3.36 2026-07-01 $3.09 2025-05-01 8.04%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4568 $5.01 2026-07-01 $5.13 2025-05-01 -2.4%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4581 $2 2026-07-01 $2.13 2025-05-01 -6.5%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4583 $8.67 2026-07-01 $8.81 2025-05-01 -1.61%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4611 $1.72 2026-07-01 $1.73 2025-05-01 -0.58%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4635 $4.64 2026-07-01 $4.11 2025-05-01 11.42%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4653 $3.79 2026-07-01 $3.6 2025-05-01 5.01%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4665 $13.74 2026-07-01 $13.32 2025-05-01 3.06%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4683 $9.96 2026-07-01 $9.32 2025-05-01 6.43%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4686 $4.1 2026-07-01 $3.69 2025-05-01 10%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4692 $1.39 2026-07-01 $1.42 2025-05-01 -2.16%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 4693 $2.19 2026-07-01 $2.13 2025-05-01 2.74%