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 151 - 175 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 3315 $2.65 2026-07-01 $2.42 2025-05-01 8.68%
HARTFORD CASUALTY INSURANCE CO 009129424 3334 $2.03 2026-07-01 $1.81 2025-05-01 10.84%
HARTFORD CASUALTY INSURANCE CO 009129424 3336 $2.17 2026-07-01 $2.38 2025-05-01 -9.68%
HARTFORD CASUALTY INSURANCE CO 009129424 3365 $3.17 2026-07-01 $3.12 2025-05-01 1.58%
HARTFORD CASUALTY INSURANCE CO 009129424 3372 $2.43 2026-07-01 $2.39 2025-05-01 1.65%
HARTFORD CASUALTY INSURANCE CO 009129424 3373 $4.69 2026-07-01 $4.71 2025-05-01 -0.43%
HARTFORD CASUALTY INSURANCE CO 009129424 3383 $1.37 2026-07-01 $1.31 2025-05-01 4.38%
HARTFORD CASUALTY INSURANCE CO 009129424 3385 $0.92 2026-07-01 $0.89 2025-05-01 3.26%
HARTFORD CASUALTY INSURANCE CO 009129424 3400 $3.51 2026-07-01 $3.31 2025-05-01 5.7%
HARTFORD CASUALTY INSURANCE CO 009129424 3507 $2.31 2026-07-01 $2.26 2025-05-01 2.16%
HARTFORD CASUALTY INSURANCE CO 009129424 3515 $1.8 2026-07-01 $1.8 2025-05-01 0%
HARTFORD CASUALTY INSURANCE CO 009129424 3548 $1.22 2026-07-01 $1.31 2025-05-01 -7.38%
HARTFORD CASUALTY INSURANCE CO 009129424 3559 $1.61 2026-07-01 $1.63 2025-05-01 -1.24%
HARTFORD CASUALTY INSURANCE CO 009129424 3574 $1.38 2026-07-01 $1.45 2025-05-01 -5.07%
HARTFORD CASUALTY INSURANCE CO 009129424 3581 $1.04 2026-07-01 $1.04 2025-05-01 0%
HARTFORD CASUALTY INSURANCE CO 009129424 3612 $1.77 2026-07-01 $1.75 2025-05-01 1.13%
HARTFORD CASUALTY INSURANCE CO 009129424 3620 $2.52 2026-07-01 $2.66 2025-05-01 -5.56%
HARTFORD CASUALTY INSURANCE CO 009129424 3629 $1.41 2026-07-01 $1.39 2025-05-01 1.42%
HARTFORD CASUALTY INSURANCE CO 009129424 3632 $2.43 2026-07-01 $2.41 2025-05-01 0.82%
HARTFORD CASUALTY INSURANCE CO 009129424 3634 $1.36 2026-07-01 $1.35 2025-05-01 0.74%
HARTFORD CASUALTY INSURANCE CO 009129424 3635 $1.52 2026-07-01 $1.47 2025-05-01 3.29%
HARTFORD CASUALTY INSURANCE CO 009129424 3638 $1.76 2026-07-01 $1.85 2025-05-01 -5.11%
HARTFORD CASUALTY INSURANCE CO 009129424 3642 $1.21 2026-07-01 $1.23 2025-05-01 -1.65%
HARTFORD CASUALTY INSURANCE CO 009129424 3643 $2.24 2026-07-01 $2.39 2025-05-01 -6.7%
HARTFORD CASUALTY INSURANCE CO 009129424 3647 $2.72 2026-07-01 $2.78 2025-05-01 -2.21%