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 176 - 200 of 549

Company name Sort descending NAIC Class Code Current Rate Current Effective Date Previous Rate Previous Effective Date % of Rate change
HARTFORD CASUALTY INSURANCE CO 009129424 3648 $1.2 2026-07-01 $1.1 2025-05-01 8.33%
HARTFORD CASUALTY INSURANCE CO 009129424 3681 $0.5 2026-07-01 $0.52 2025-05-01 -4%
HARTFORD CASUALTY INSURANCE CO 009129424 3685 $0.81 2026-07-01 $0.82 2025-05-01 -1.23%
HARTFORD CASUALTY INSURANCE CO 009129424 3719 $0.73 2026-07-01 $0.65 2025-05-01 10.96%
HARTFORD CASUALTY INSURANCE CO 009129424 3724 $2.88 2026-07-01 $3.02 2025-05-01 -4.86%
HARTFORD CASUALTY INSURANCE CO 009129424 3726 $2.45 2026-07-01 $2.45 2025-05-01 0%
HARTFORD CASUALTY INSURANCE CO 009129424 3803 $2.86 2026-07-01 $2.33 2025-05-01 18.53%
HARTFORD CASUALTY INSURANCE CO 009129424 3807 $2.03 2026-07-01 $1.86 2025-05-01 8.37%
HARTFORD CASUALTY INSURANCE CO 009129424 3808 $3.96 2026-07-01 $3.52 2025-05-01 11.11%
HARTFORD CASUALTY INSURANCE CO 009129424 3821 $4.08 2026-07-01 $4.22 2025-05-01 -3.43%
HARTFORD CASUALTY INSURANCE CO 009129424 3822 $3.36 2026-07-01 $3.35 2025-05-01 0.3%
HARTFORD CASUALTY INSURANCE CO 009129424 3824 $3.24 2026-07-01 $3.06 2025-05-01 5.56%
HARTFORD CASUALTY INSURANCE CO 009129424 3826 $0.82 2026-07-01 $0.78 2025-05-01 4.88%
HARTFORD CASUALTY INSURANCE CO 009129424 3827 $2.03 2026-07-01 $1.65 2025-05-01 18.72%
HARTFORD CASUALTY INSURANCE CO 009129424 3830 $0.83 2026-07-01 $0.75 2025-05-01 9.64%
HARTFORD CASUALTY INSURANCE CO 009129424 3851 $1.7 2026-07-01 $1.71 2025-05-01 -0.59%
HARTFORD CASUALTY INSURANCE CO 009129424 3865 $2.65 2026-07-01 $2.74 2025-05-01 -3.4%
HARTFORD CASUALTY INSURANCE CO 009129424 3881 $2.76 2026-07-01 $2.91 2025-05-01 -5.43%
HARTFORD CASUALTY INSURANCE CO 009129424 4000 $3.37 2026-07-01 $3.04 2025-05-01 9.79%
HARTFORD CASUALTY INSURANCE CO 009129424 4018 $4.03 2026-07-01 $4.2 2025-05-01 -4.22%
HARTFORD CASUALTY INSURANCE CO 009129424 4021 $3.7 2026-07-01 $3.65 2025-05-01 1.35%
HARTFORD CASUALTY INSURANCE CO 009129424 4034 $6.32 2026-07-01 $5.97 2025-05-01 5.54%
HARTFORD CASUALTY INSURANCE CO 009129424 4036 $2.23 2026-07-01 $2.22 2025-05-01 0.45%
HARTFORD CASUALTY INSURANCE CO 009129424 4038 $3.2 2026-07-01 $3 2025-05-01 6.25%
HARTFORD CASUALTY INSURANCE CO 009129424 4062 $1.96 2026-07-01 $1.98 2025-05-01 -1.02%