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 126 - 150 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 3111 $4.08 2026-07-01 $3.71 2025-05-01 9.07%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3113 $2.82 2026-07-01 $2.89 2025-05-01 -2.48%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3114 $4.43 2026-07-01 $4.53 2025-05-01 -2.26%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3118 $3.52 2026-07-01 $3.37 2025-05-01 4.26%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3119 $2.49 2026-07-01 $2.15 2025-05-01 13.65%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3122 $4.17 2026-07-01 $3.4 2025-05-01 18.47%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3126 $3.15 2026-07-01 $3.06 2025-05-01 2.86%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3131 $2.53 2026-07-01 $2.55 2025-05-01 -0.79%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3132 $7.12 2026-07-01 $8.33 2025-05-01 -16.99%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3145 $4.03 2026-07-01 $3.89 2025-05-01 3.47%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3146 $4.21 2026-07-01 $3.82 2025-05-01 9.26%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3169 $4.37 2026-07-01 $4.11 2025-05-01 5.95%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3179 $3.31 2026-07-01 $3.17 2025-05-01 4.23%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3180 $5.35 2026-07-01 $5.48 2025-05-01 -2.43%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3188 $4.05 2026-07-01 $3.95 2025-05-01 2.47%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3220 $3.08 2026-07-01 $3.26 2025-05-01 -5.84%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3224 $5.85 2026-07-01 $5.82 2025-05-01 0.51%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3227 $4.42 2026-07-01 $4.51 2025-05-01 -2.04%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3241 $6.87 2026-07-01 $5.86 2025-05-01 14.7%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3255 $4.76 2026-07-01 $4.55 2025-05-01 4.41%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3257 $5 2026-07-01 $4.66 2025-05-01 6.8%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3270 $4.32 2026-07-01 $4.86 2025-05-01 -12.5%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3300 $7.07 2026-07-01 $6.95 2025-05-01 1.7%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3303 $5.8 2026-07-01 $5.37 2025-05-01 7.41%
HARTFORD UNDERWRITERS INSURANCE COMPANY 009130104 3307 $4.49 2026-07-01 $4.11 2025-05-01 8.46%