| Company | Loss Cost Multiplier | Effective Date | Previous LCM |
|---|
| Acadia Insurance Company | 1.075 | January 1, 2022 | 1.123 | |
| Acceptance Indemnity Insurance Company | 1.270 | April 1, 2001 | 1.230 | |
| Accident Fund General Insurance Company | 2.200 | January 1, 2025 | 2.030 | |
| Accident Fund Insurance Company of America | 1.580 | January 1, 2025 | 1.550 | |
| Accident Fund National Insurance Company | 1.180 | January 1, 2025 | 1.150 | |
| Accredited Surety and Casualty Company, Inc. | 1.395 | January 1, 2020 | N/A | |
| ACE American Insurance Company | 1.000 | January 1, 2025 | 1.300 | |
| ACE Fire Underwriters Insurance Company | 0.850 | January 1, 2025 | 1.105 | |
| ACE Property and Casualty Insurance Company | 2.241 | January 1, 2025 | 1.390 | |
| ACIG Insurance Company | 1.320 | January 1, 2024 | 1.130 | |
| ACUITY, a Mutual Insurance Company | 1.450 | January 1, 2024 | 1.517 | |
| Addison Insurance Company | 1.900 | January 1, 2022 | 1.850 | |
| AIG Assurance Company | 1.291 | January 1, 2022 | 1.361 | |
| AIG Property Casualty Company | 1.850 | January 1, 2022 | 1.950 | |
| AIU Insurance Company | 1.119 | January 1, 2022 | 1.179 | |
| Alaska National Insurance Company | 1.340 | May 8, 1998 | N/A | |
| Alea North America Insurance Company | 1.530 | March 1, 2006 | 1.500 | |
| Allianz Global Risks US Insurance Company | 1.540 | November 1, 1995 | N/A | |
| Allied Property and Casualty Insurance Company | 1.328 | January 1, 2023 | 2.357 | |
| Allied World Insurance Company | 1.049 | October 1, 1998 | N/A | |
| Allmerica Financial Alliance Insurance Company | 1.950 | January 1, 2023 | N/A | |
| Allmerica Financial Benefit Insurance Company | 1.090 | January 1, 2023 | N/A | |
| Allstate Indemnity Company | 1.404 | November 21, 1995 | N/A | |
| Allstate Insurance Company | 1.404 | November 21, 1995 | N/A | |
| Allstate Northbrook Indemnity Company | 1.404 | November 21, 1995 | N/A | |
| AMCO Insurance Company | 1.766 | January 1, 2023 | 2.170 | |
| American Alternative Insurance Corporation | 1.504 | January 1, 2013 | 1.500 | |
| American Automobile Insurance Company | 1.466 | January 1, 2024 | 1.478 | |
| American Business & Personal Insurance Mutual, Inc. | 1.724 | January 1, 2022 | 1.868 | |
| American Casualty Company of Reading Pennsylvania | 1.344 | January 1, 2024 | 1.287 | |
| American Compensation Insurance Company | 2.450 | January 1, 2024 | 2.360 | |
| American Economy Insurance Company | 1.967 | January 1, 2016 | 1.710 | |
| American Family Home Insurance Company | 1.128 | January 1, 2013 | N/A | |
| American Family Insurance Company | 1.350 | January 1, 2022 | 1.392 | |
| American Family Mutual Insurance Company, S.I. | 1.850 | January 1, 2022 | 1.800 | |
| American Fire and Casualty Company | 1.450 | January 1, 2022 | 1.620 | |
| American Guarantee and Liability Insurance Company | 1.269 | January 1, 2022 | 1.403 | |
| American Home Assurance Company | 1.592 | January 1, 2022 | 1.361 | |
| American Interstate Insurance Company | 1.750 | May 1, 2013 | 1.400 | |
| American Interstate Insurance Company of Texas | 1.400 | January 1, 2024 | n/a | |
| AMERICAN LIBERTY INSURANCE COMPANY, INC. | 1.480 | January 1, 2025 | N/A | |
| American Modern Home Insurance Company | 1.700 | January 1, 2013 | n/a | |
| American National Property and Casualty Company | 1.289 | January 1, 2010 | 1.254 | |
| American Property Insurance Company | 1.350 | September 8, 1999 | N/A | |
| American Select Insurance Company | 1.814 | January 1, 2022 | 1.602 | |
| American Sentinel Insurance Company | 1.650 | September 1, 2016 | N/A | |
| American States Insurance Company | 2.182 | January 1, 2016 | 1.897 | |
| American Zurich Insurance Company | 1.045 | January 1, 2022 | 1.155 | |
| Amerisure Insurance Company | 1.470 | January 1, 2024 | 1.410 | |
| Amerisure Mutual Insurance Company | 2.058 | January 1, 2024 | 1.880 | |
| Amerisure Partners Insurance Company | 1.060 | January 1, 2017 | 1.000 | |
| AmGUARD Insurance Company | 1.590 | January 1, 2024 | 1.515 | |
| AmTrust Insurance Company | 1.500 | January 1, 2025 | 1.420 | |
| Arch Insurance Company | 1.640 | October 1, 2003 | N/A | |
| Arch Property Casualty Insurance Company | 2.050 | July 1, 2020 | N/A | |
| Argonaut Great Central Insurance Company | 1.600 | January 1, 2011 | 1.520 | |
| Argonaut Insurance Company | 1.408 | January 1, 2003 | 1.223 | |
| Argonaut-Midwest Insurance Company | 1.267 | January 1, 2003 | 0.970 | |
| Arrowood Indemnity Company | 1.266 | January 1, 2003 | 1.183 | |
| Ascot Insurance Company | 1.600 | May 1, 2022 | 1.450 | |
| Ashmere Insurance Company | 1.530 | March 1, 2005 | N/A | |
| Association Casualty Insurance Company | 1.925 | January 1, 2023 | 2.196 | |
| Atlantic Specialty Insurance Company | 1.410 | January 1, 2023 | 1.028 | |
| Austin Mutual Insurance Company | 1.380 | November 7, 1995 | N/A | |
| Auto-Owners Insurance Co. | 1.500 | January 1, 2024 | 1.061 | |
| Automobile Insurance Company of Hartford, CT | 1.540 | January 1, 1996 | N/A | |
| Axis Insurance Company | 1.622 | February 1, 2001 | 1.330 | |
| Bankers Standard Insurance Company | 2.739 | January 1, 2025 | 1.807 | |
| BCS Insurance Company | 1.360 | November 1, 2011 | N/A | |
| Bearing Midwest Casualty Company | 1.898 | January 1, 2025 | 1.810 | |
| Bedivere Insurance Company | 1.530 | July 1, 2009 | 1.450 | |
| Benchmark Insurance Company | 1.480 | January 1, 2025 | 1.430 | |
| Berkley Casualty Company | 1.710 | January 1, 2022 | 1.49 | |
| Berkley National Insurance Company | 1.100 | January 1, 2022 | 0.750 | |
| Berkley Regional Insurance Company | 1.910 | January 1, 2022 | 1.300 | |
| Berkshire Hathaway Direct Insurance Company | 1.310 | January 1, 2024 | 1.184 | |
| Berkshire Hathaway Homestate Insurance Company | 1.553 | January 1, 2022 | 1.390 | |
| BITCO General Insurance Corporation | 1.700 | January 1, 2021 | 1.409 | |
| BITCO National Insurance Company | 1.275 | January 1, 2021 | 1.057 | |
| Blackboard Insurance Company | 1.254 | January 1, 2005 | 1.484 | |
| Bloomington Compensation Insurance Company | 1.020 | January 1, 2024 | 0.960 | |
| BrickStreet Mutual Insurance Company | 1.420 | January 1, 2016 | n/a | |
| Brotherhood Mutual Insurance Company | 1.529 | January 1, 2024 | 1.466 | |
| Bureau Veritas Inspection and Insurance Company | 1.329 | November 1, 1995 | N/A | |
| California Insurance Company | 1.321 | March 1, 2016 | 1.500 | |
| Carolina Casualty Insurance Company | 1.860 | January 1, 2022 | 1.700 | |
| Castlepoint National Insurance Company | 1.660 | February 1, 2007 | N/A | |
| Cedar Insurance Company | 1.380 | August 31, 2024 | N/A | |
| Centre Insurance Company | 1.005 | September 1, 1997 | 1.139 | |
| Century Indemnity Company | 1.679 | January 1, 1996 | N/A | |
| Cerity Insurance Company | 1.250 | January 1, 2022 | N/A | |
| Charter Oak Fire Insurance Company, The | 1.763 | January 1, 2025 | 1.739 | |
| Cherokee Insurance Company | 1.380 | January 1, 2007 | N/A | |
| Chiron Insurance Company | 2.248 | January 1, 2025 | 1.898 | |
| Chubb Indemnity Insurance Company | 1.743 | January 1, 2025 | 1.494 | |
| Chubb National Insurance Company | 0.850 | January 1, 2025 | 0.822 | |
| Church Mutual Insurance Company, S.I. | 1.868 | January 1, 2025 | 1.948 | |
| CIMARRON INSURANCE COMPANY, INC. | 1.410 | June 1, 2021 | N/A | |
| Cincinnati Casualty Company, The | 1.525 | January 1, 2023 | 1.590 | |
| Cincinnati Indemnity Company, The | 1.906 | January 1, 2023 | 1.870 | |
| Cincinnati Insurance Company, The | 1.144 | January 1, 2023 | 1.431 | |
| Citizens Insurance Company of America | 1.400 | January 1, 2023 | 1.300 | |
| City National Insurance Company | 1.420 | June 15, 2010 | N/A | |
| Clarendon National Insurance Company | 1.350 | January 1, 1999 | 1.190 | |
| Clear Spring Property and Casualty Company | 1.620 | January 1, 2022 | 1.480 | |
| Clermont Insurance Company | 1.357 | January 1, 2002 | 1.257 | |
| Colonial American Casualty and Surety Company | 1.269 | January 1, 2022 | 1.403 | |
| Colonial Surety Company | 1.420 | January 1, 2022 | N/A | |
| Columbia Mutual Insurance Company | 1.535 | January 1, 2023 | 1.796 | |
| Columbia National Insurance Company | 1.150 | January 1, 2023 | 1.427 | |
| Commerce and Industry Insurance Company | 1.979 | January 1, 2022 | 2.086 | |
| Continental Casualty Company | 3.136 | January 1, 2024 | 2.772 | |
| Continental Indemnity Company | 1.500 | January 1, 2011 | 1.450 | |
| Continental Insurance Company, The | 0.952 | January 1, 2024 | 0.959 | |
| Continental Western Insurance Company | 2.100 | January 1, 2022 | 1.401 | |
| CorePointe Insurance Company | 1.300 | January 1, 2025 | 1.230 | |
| Crestbrook Insurance Company | 2.275 | January 1, 2025 | 2.159 | |
| Crum & Forster Indemnity Company | 1.888 | January 1, 2020 | 1.707 | |
| CUMIS Insurance Society, Inc. | 1.500 | January 1, 2006 | 1.430 | |
| Dakota Truck Underwriters | 1.720 | January 1, 2023 | 1.500 | |
| Depositors Insurance Company | 2.357 | January 1, 2023 | 2.357 | |
| Diamond Insurance Company | 1.650 | January 1, 2022 | 1.550 | |
| Diamond State Insurance Company | 1.630 | June 15, 2010 | N/A | |
| Discover Property & Casualty Insurance Company | 1.485 | September 1, 2009 | 1.454 | |
| EastGUARD Insurance Company | 1.400 | January 1, 2024 | 1.355 | |
| Electric Insurance Company | 1.055 | October 1, 2018 | 1.088 | |
| EMC Property and Casualty Company | 1.250 | January 1, 2025 | 2.400 | |
| EMCASCO Insurance Company | 0.850 | January 1, 2025 | 1.630 | |
| Employers Assurance Company | 1.400 | January 1, 2020 | 1.500 | |
| Employers Compensation Insurance Company | 1.600 | January 1, 2020 | N/A | |
| Employers Insurance Company of Wausau | 2.740 | January 1, 2023 | 1.734 | |
| Employers Mutual Casualty Company | 1.000 | January 1, 2025 | 1.920 | |
| Employers Preferred Insurance Company | 1.200 | January 1, 2020 | 1.300 | |
| Esurance Insurance Company of New Jersey | 1.332 | January 1, 2001 | 1.251 | |
| Everest Denali Insurance Company | 1.200 | January 1, 2025 | 1.769 | |
| Everest National Insurance Company | 1.000 | January 1, 2025 | 1.474 | |
| Everest Premier Insurance Company | 0.800 | January 1, 2025 | 1.179 | |
| Executive Risk Indemnity Inc. | 1.300 | January 1, 2025 | 1.300 | |
| Falls Lake National Insurance Company | 1.560 | January 1, 2023 | 1.650 | |
| Farm Bureau Property & Casualty Insurance Company | 1.497 | January 1, 2022 | 1.529 | |
| Farmers Insurance Exchange | 2.032 | January 1, 2023 | 2.032 | |
| Farmington Casualty Company | 0.814 | January 1, 2025 | 0.869 | |
| Federal Insurance Company | 2.490 | January 1, 2025 | 1.773 | |
| Federated Mutual Insurance Company | 1.094 | September 1, 2023 | 1.576 | |
| Federated Reserve Insurance Company | 1.891 | January 1, 2023 | 1.418 | |
| Federated Rural Electric Insurance Exchange | 1.390 | January 1, 2023 | 1.36 | |
| Federated Service Insurance Company | 1.340 | January 1, 2023 | 1.891 | |
| Fidelity and Deposit Company of Maryland | 1.493 | January 1, 2022 | 1.650 | |
| Fidelity and Guaranty Insurance Company | 1.080 | September 1, 2009 | 1.020 | |
| Fidelity and Guaranty Insurance Underwriters, Inc. | 1.215 | September 1, 2009 | 1.190 | |
| Fire Insurance Exchange | 1.370 | January 1, 2022 | N/A | |
| Fireman's Fund Insurance Company | 1.100 | January 1, 2024 | 1.109 | |
| Firemen's Insurance Company of Washington, D.C. | 1.680 | January 1, 2022 | 1.121 | |
| First Dakota Indemnity Company | 1.340 | January 1, 2023 | 1.250 | |
| First Liberty Insurance Corporation, The | 1.388 | January 1, 2022 | 2.100 | |
| First National Insurance Company of America | 2.276 | January 1, 2016 | 2.088 | |
| FirstComp Insurance Company | 1.450 | January 1, 2022 | 1.650 | |
| Florists' Mutual Insurance Company | 1.620 | January 1, 2023 | 1.588 | |
| Foremost Insurance Company Grand Rapids, Michigan | 1.462 | January 1, 2016 | 1.389 | |
| Foremost Property and Casualty Insurance Company | 2.202 | January 1, 2016 | 2.092 | |
| Foremost Signature Insurance Company | 1.835 | January 1, 2016 | 1.740 | |
| Frank Winston Crum Insurance Company | 1.316 | January 1, 2022 | 1.316 | |
| Freedom Specialty Insurance Company | 1.616 | January 1, 2025 | 1.182 | |
| General Casualty Company of Wisconsin | 1.805 | January 1, 2025 | 1.805 | |
| General Casualty Insurance Company | 1.970 | January 1, 2022 | 1.970 | |
| General Insurance Company of America | 2.334 | January 1, 2016 | 2.084 | |
| Genesis Insurance Company | 1.226 | March 11, 1999 | 1.133 | |
| Goodville Mutual Casualty Company | 1.600 | January 1, 2022 | N/A | |
| Grain Dealers Mutual Insurance Company | 1.493 | January 1, 2001 | 1.507 | |
| Granite State Insurance Company | 2.151 | January 1, 2022 | 2.268 | |
| Graphic Arts Mutual Insurance Company | 1.397 | July 1, 2000 | 1.379 | |
| Gray Insurance Company, The | 1.575 | September 12, 2016 | 1.310 | |
| Great American Alliance Insurance Company | 1.380 | January 1, 2023 | 1.290 | |
| Great American Assurance Company | 1.820 | January 1, 2023 | 1.450 | |
| Great American Insurance Company | 1.560 | January 1, 2023 | 1.450 | |
| Great American Insurance Company of New York | 1.610 | January 1, 2021 | 1.580 | |
| Great American Spirit Insurance Company | 1.730 | January 1, 2023 | 1.610 | |
| Great Divide Insurance Company | 1.438 | February 2, 2005 | N/A | |
| Great Northern Insurance Company | 2.366 | January 1, 2025 | 2.116 | |
| Great West Casualty Company | 1.635 | January 1, 2022 | 1.786 | |
| Greater New York Mutual Insurance Company | 1.580 | January 1, 1996 | N/A | |
| Greenwich Insurance Company | 1.639 | January 1, 2019 | 1.587 | |
| GuideOne Elite Insurance Company | 1.138 | January 1, 2022 | 1.044 | |
| GuideOne Insurance Company | 1.422 | January 1, 2022 | 1.305 | |
| GuideOne Specialty Insurance Company | 1.778 | January 1, 2022 | 1.713 | |
| Hanover American Insurance Company, The | 1.270 | January 1, 2023 | 1.210 | |
| Hanover Insurance Company, The | 1.750 | January 1, 2023 | 1.270 | |
| Harco National Insurance Company | 1.50 | January 1, 2011 | 1.33 | |
| Harleysville Insurance Company | 1.600 | January 1, 2022 | 1.342 | |
| Hartford Accident and Indemnity Company | 1.391 | January 1, 2023 | 1.344 | |
| Hartford Casualty Insurance Company | 2.830 | January 1, 2023 | 2.688 | |
| Hartford Fire Insurance Company | 2.086 | January 1, 2023 | 2.016 | |
| Hartford Insurance Company of Illinois | 0.899 | January 1, 2023 | 0.900 | |
| Hartford Insurance Company of the Midwest | 1.854 | January 1, 2023 | 1.792 | |
| Hartford Insurance Company of the Southeast | 0.809 | January 1, 2023 | 0.811 | |
| Hartford Underwriters Insurance Company | 2.598 | January 1, 2023 | 2.277 | |
| Hawkeye-Security Insurance Company | 2.180 | January 1, 2016 | 1.845 | |
| HDI Global Insurance Company | 2.529 | January 1, 2023 | 2.268 | |
| Horizon Midwest Casualty Company | 1.284 | January 1, 2025 | 1.220 | |
| Illinois Casualty Company | 1.500 | January 1, 2022 | 1.710 | |
| Illinois National Insurance Company | 1.721 | January 1, 2022 | 1.814 | |
| Imperium Insurance Company | 1.499 | October 15, 2011 | N/A | |
| Indemnity Insurance Company of North America | 0.750 | January 1, 2025 | 0.975 | |
| Indiana Lumbermens Mutual Insurance Company | 1.050 | March 1, 2007 | 1.300 | |
| Insurance Company of North America | 1.300 | January 1, 2025 | 1.390 | |
| Insurance Company of the State of Pennsylvania, The | 1.721 | January 1, 2022 | 1.814 | |
| Insurance Company of the West | 1.450 | January 1, 2025 | 1.200 | |
| Intrepid Insurance Company | 1.450 | November 1, 2022 | 1.317 | |
| Key Risk Insurance Company | 1.710 | January 1, 2022 | n/a | |
| Liberty Insurance Corporation | 1.350 | January 1, 2023 | 0.925 | |
| Liberty Mutual Fire Insurance Company | 1.750 | January 1, 2023 | 1.156 | |
| Liberty Mutual Insurance Company | 2.740 | January 1, 2023 | 1.734 | |
| LM Insurance Corporation | 0.811 | January 1, 2023 | 0.562 | |
| Lumbermen's Underwriting Alliance | 1.618 | January 1, 2015 | 1.633 | |
| MAG Mutual Insurance Company | 1.604 | January 1, 2023 | 1.452 | |
| Manufacturers Alliance Insurance Company | 1.726 | January 1, 2025 | 1.615 | |
| Markel American Insurance Company | 1.800 | January 1, 2022 | N/A | |
| Markel Insurance Company | 1.250 | January 1, 2022 | 1.350 | |
| Massachusetts Bay Insurance Company | 1.550 | January 1, 2023 | 1.400 | |
| MEMIC Indemnity Company | 1.330 | January 1, 2022 | 1.400 | |
| Meridian Security Insurance Company | 1.255 | January 1, 2024 | 1.185 | |
| Michigan Millers Mutual Insurance Company | 1.510 | January 1, 2012 | 1.585 | |
| Mid-Century Insurance Company | 1.304 | January 1, 2023 | 1.248 | |
| Middlesex Insurance Company | 1.440 | January 1, 2023 | 1.380 | |
| Midvale Indemnity Company | 1.600 | June 1, 2024 | 1.680 | |
| Midwest Employers Casualty Company | 1.400 | January 1, 2022 | 1.490 | |
| Midwest Family Mutual Insurance Company | 1.450 | July 27, 2011 | N/A | |
| Midwest Insurance Company | 1.410 | January 1, 2022 | 1.360 | |
| Midwestern Indemnity Company, The | 1.831 | January 1, 2016 | 1.550 | |
| Milford Casualty Insurance Company | 1.800 | January 1, 2025 | 1.710 | |
| Mitsui Sumitomo Insurance Company of America | 1.481 | January 1, 2025 | 1.445 | |
| Mitsui Sumitomo Insurance USA Inc. | 1.704 | January 1, 0202 | 1.662 | |
| Motorists Commercial Mutual Insurance Company | 1.355 | January 1, 1996 | N/A | |
| National American Insurance Company | 1.370 | January 1, 2016 | 1.300 | |
| National Casualty Company | 1.766 | January 1, 2025 | 1.650 | |
| National Farmers Union Property and Casualty Company | 1.800 | March 1, 2004 | 1.700 | |
| National Fire Insurance Company of Hartford | 2.240 | January 1, 2024 | 1.980 | |
| National Interstate Insurance Company | 1.265 | January 1, 2025 | 1.150 | |
| National Liability & Fire Insurance Company | 1.645 | January 1, 2024 | 1.489 | |
| National Specialty Insurance Company | 1.760 | January 1, 2025 | 1.600 | |
| National Surety Corporation | 1.246 | January 1, 2024 | 1.256 | |
| National Union Fire Insurance Company of Pittsburgh, PA | 1.721 | January 1, 2022 | 1.814 | |
| Nationwide Agribusiness Insurance Company | 1.750 | January 1, 2025 | 1.847 | |
| Nationwide Assurance Company | 1.275 | January 1, 2023 | 1.240 | |
| Nationwide General Insurance Company | 0.992 | January 1, 2023 | N/A | |
| Nationwide Insurance Company of America | 2.750 | January 1, 2023 | 2.422 | |
| Nationwide Mutual Insurance Company | 2.095 | January 1, 2023 | 1.938 | |
| Nationwide Property and Casualty Insurance Company | 1.607 | January 1, 2023 | 1.550 | |
| Netherlands Insurance Company, The | 1.526 | January 1, 2016 | 1.292 | |
| New Hampshire Insurance Company | 1.463 | January 1, 2022 | 1.542 | |
| New York Marine and General Insurance Company | 1.600 | January 1, 2022 | N/A | |
| Next Insurance US Company | 1.430 | June 6, 2022 | N/A | |
| NorGUARD Insurance Company | 1.665 | January 1, 2024 | 1.635 | |
| North Pointe Insurance Company | 1.290 | January 1, 2025 | 1.470 | |
| North River Insurance Company, The | 1.314 | January 1, 2020 | 1.187 | |
| NorthStone Insurance Company | 1.650 | January 1, 2016 | n/a | |
| Nova Casualty Company | 1.570 | January 1, 2022 | 1.410 | |
| Oak River Insurance Company | 1.398 | January 1, 2022 | 1.419 | |
| OBI America Insurance Company | 1.629 | January 1, 2023 | 1.188 | |
| OBI National Insurance Company | 1.900 | January 1, 2023 | 1.385 | |
| Ohio Casualty Insurance Company | 3.320 | January 1, 2022 | 3.167 | |
| Ohio Security Insurance Company | 1.625 | January 1, 2022 | 1.580 | |
| Old Glory Insurance Company | 1.430 | June 24, 2016 | N/A | |
| Old Guard Insurance Company | 1.628 | July 15, 2021 | n/a | |
| Old Republic General Insurance Corporation | 1.250 | January 1, 2022 | 1.480 | |
| Old Republic Insurance Company | 1.480 | January 1, 2006 | 1.400 | |
| Omaha National Insurance Company | 1.456 | January 1, 2024 | n/a | |
| Owners Insurance Company | 1.580 | January 1, 2024 | 1.620 | |
| Pacific Employers Insurance Company | 1.619 | January 1, 2025 | 1.598 | |
| Pacific Indemnity Company | 2.117 | January 1, 2025 | 2.177 | |
| Pan American Casualty Company | 1.750 | September 15, 2005 | N/A | |
| Peerless Indemnity Insurance Company | 2.470 | January 1, 2016 | 2.091 | |
| Peerless Insurance Company | 1.756 | January 1, 2016 | 1.486 | |
| Penn Millers Insurance Company | 3.222 | January 1, 2024 | 3.030 | |
| Penn-America Insurance Company | 1.710 | June 15, 2010 | N/A | |
| Pennsylvania Insurance Company | 1.108 | September 1, 2001 | 1.04 | |
| Pennsylvania Manufacturers Indemnity Company | 1.352 | January 1, 2025 | 1.405 | |
| Pennsylvania Manufacturers' Association Insurance Company | 1.502 | January 1, 2025 | 1.405 | |
| Pennsylvania National Mutual Casualty Insurance Company | 1.301 | November 1, 1995 | N/A | |
| Petroleum Casualty Company | 1.127 | January 1, 1996 | N/A | |
| Pharmacists Mutual Insurance Company | 1.450 | January 1, 2025 | 1.300 | |
| Phoenix Insurance Company, The | 1.966 | January 1, 2025 | 1.884 | |
| Pie Insurance Company, The | 0.964 | May 15, 2023 | 1.640 | |
| PinnaclePoint Insurance Company | 2.00 | January 1, 2016 | n/a | |
| Platte River Insurance Company | 1.050 | May 13, 1999 | N/A | |
| Plaza Insurance Company | 1.440 | January 1, 2023 | 1.360 | |
| Praetorian Insurance Company | 1.720 | January 1, 2025 | 1.720 | |
| Preferred Employers Insurance Company | 1.320 | January 1, 2022 | n/a | |
| Preferred Professional Insurance Company | 1.226 | November 29, 2007 | 1.526 | |
| Premier Group Insurance Company | 1.577 | January 1, 2010 | 1.451 | |
| Previsor Insurance Company | 1.408 | January 1, 2023 | 1.240 | |
| Pride National Insurance Company | 1.300 | January 1, 1996 | N/A | |
| Property and Casualty Insurance Company of Hartford | 1.205 | January 1, 2023 | 1.165 | |
| Protective Insurance Company | 2.305 | January 1, 2025 | 2.227 | |
| Providence Washington Insurance Company | 1.420 | November 1, 1995 | N/A | |
| QBE Insurance Corporation | 2.045 | January 1, 2025 | 1.970 | |
| Red Rock Insurance Company | 1.400 | January 1, 2011 | 1.300 | |
| Redwood Fire and Casualty Insurance Company | 1.864 | January 1, 2022 | N/A | |
| Regent Insurance Company | 1.170 | January 1, 2025 | 1.470 | |
| Republic Fire and Casualty Insurance Company | 1.300 | October 15, 2007 | N/A | |
| Republic Indemnity Company of America | 1.23 | January 1, 2016 | 1.15 | |
| Republic Indemnity Company of California | 1.45 | January 1, 2016 | 1.35 | |
| Republic Underwriters Insurance Company | 1.350 | January 1, 2013 | 1.600 | |
| Republic-Franklin Insurance Company | 1.442 | January 1, 2012 | 1.266 | |
| Repwest Insurance Company | 1.280 | January 1, 1996 | N/A | |
| Riverport Insurance Company | 1.100 | January 1, 2022 | 1.470 | |
| RLI Insurance Company | 1.558 | January 1, 2022 | N/A | |
| Rochdale Insurance Company | 1.850 | January 5, 2024 | n/a | |
| Rock Ridge Insurance Company | 1.050 | March 1, 2007 | N/A | |
| Rockwood Casualty Insurance Company | 1.62 | July 2, 2015 | N/A | |
| Rural Trust Insurance Company | 1.183 | January 1, 2022 | N/A | |
| SAFECO Insurance Company of America | 0.980 | July 1, 1997 | 1.280 | |
| Safety First Insurance Company | 1.540 | January 1, 2001 | N/A | |
| Safety National Casualty Corporation | 1.340 | February 1, 2002 | 1.220 | |
| Sagamore Insurance Company | 1.149 | January 1, 2025 | 1.371 | |
| Samsung Fire & Marine Insurance Co., LTD (US Branch) | 1.464 | November 1, 2011 | N/A | |
| Scottsdale Indemnity Company | 1.966 | January 1, 2025 | N/A | |
| SECURA Insurance Company | 1.740 | January 1, 2025 | 1.600 | |
| SECURA Supreme Insurance Company | 1.310 | January 1, 2025 | 1.200 | |
| Security National Insurance Company | 1.300 | January 1, 2025 | 1.230 | |
| Select Insurance Company | 1.368 | April 1, 2002 | 1.287 | |
| Seneca Insurance Company, Inc. | 1.384 | December 15, 2009 | N/A | |
| Sentinel Insurance Company, Ltd. | 1.623 | January 1, 2023 | 1.568 | |
| Sentry Casualty Company | 1.347 | January 1, 2017 | 1.323 | |
| Sentry Insurance Company | 1.830 | January 1, 2023 | 1.764 | |
| Sentry Select Insurance Company | 2.250 | January 1, 2023 | 2.258 | |
| Sequoia Insurance Company | 1.100 | January 1, 2025 | 1.257 | |
| Service American Indemnity Company | 1.520 | January 1, 2022 | N/A | |
| Service Lloyds Insurance Company, a stock company | 1.290 | January 1, 2023 | n/a | |
| SFM Mutual Insurance Company | 1.410 | October 1, 2007 | N/A | |
| SFM Select Insurance Company | 1.130 | January 1, 2021 | N/A | |
| Silver Oak Casualty, Inc. | 2.400 | January 1, 2024 | n/a | |
| SiriusPoint America Insurance Company | 1.420 | January 1, 2022 | N/A | |
| Sompo America Fire & Marine Insurance Company | 1.027 | January 1, 2022 | 1.036 | |
| Sompo America Insurance Company | 1.630 | October 1, 2022 | 1.480 | |
| Southern Insurance Company | 1.580 | January 1, 2025 | 1.490 | |
| SPARTA Insurance Company | 1.568 | September 1, 2010 | 1.480 | |
| St. Paul Fire and Marine Insurance Company | 1.485 | January 1, 2008 | 1.634 | |
| St. Paul Guardian Insurance Company | 1.080 | January 1, 2008 | 1.189 | |
| St. Paul Mercury Insurance Company | 1.350 | January 1, 2008 | 1.486 | |
| St. Paul Protective Insurance Company | 1.755 | January 1, 2008 | 1.932 | |
| Standard Fire Insurance Company, The | 0.949 | January 1, 2025 | 1.014 | |
| STAR Insurance Company | 1.480 | November 15, 2017 | 1.370 | |
| StarNet Insurance Company | 1.550 | January 1, 2022 | 1.620 | |
| Starr Indemnity & Liability Company | 1.523 | January 1, 2018 | 1.360 | |
| Starr Specialty Insurance Company | 1.305 | January 1, 2018 | N/A | |
| StarStone National Insurance Company | 1.468 | January 1, 2022 | N/A | |
| State Auto Property and Casualty Insurance Company | 1.700 | January 1, 2024 | 1.605 | |
| State Automobile Mutual Insurance Company | 2.130 | January 1, 2024 | 1.950 | |
| State Farm Fire and Casualty Company | 1.532 | January 1, 2023 | 1.410 | |
| State National Insurance Company, Inc. | 1.395 | March 1, 2011 | N/A | |
| Stonetrust Commercial Insurance Company | 1.400 | January 1, 2022 | n/a | |
| Stonewood Insurance Company | 1.730 | January 1, 2023 | 1.550 | |
| Stonington Insurance Company | 1.015 | January 1, 2025 | 0.850 | |
| SummitPoint Insurance Company | 1.090 | January 1, 2016 | n/a | |
| SUNZ Insurance Company | 1.150 | January 1, 2024 | n/a | |
| Sutton National Insurance Company | 1.760 | June 15, 2022 | n/a | |
| Swiss Re Corporate Solutions America Insurance Corporation | 1.486 | January 1, 2022 | 1.788 | |
| Swiss Re Corporate Solutions Elite Insurance Corporation | 1.115 | January 1, 2022 | 1.740 | |
| Swiss Re Corporate Solutions Premier Insurance Corporation | 1.858 | January 1, 2022 | N/A | |
| T.H.E. Insurance Company | 1.366 | January 1, 2019 | 1.300 | |
| Technology Insurance Company, Inc | 1.380 | January 1, 2025 | 1.31 | |
| TIG Insurance Company | 1.320 | December 1, 2000 | 1.469 | |
| Titan Indemnity Company | 1.08 | November 15, 1997 | 1.193 | |
| Tokio Marine America Insurance Company | 1.544 | January 1, 2025 | 1.313 | |
| Trans Pacific Insurance Company | 1.313 | January 1, 2025 | 1.544 | |
| Transguard Insurance Company of America, Inc. | 1.600 | January 1, 2008 | 1.407 | |
| Transportation Insurance Company | 2.688 | January 1, 2024 | 2.376 | |
| Transverse Insurance Company | 1.619 | May 1, 2023 | n/a | |
| Travelers Casualty and Surety Company | 1.356 | January 1, 2022 | 1.449 | |
| Travelers Casualty and Surety Company of America | 1.356 | January 1, 2025 | 1.540 | |
| Travelers Casualty Company of Connecticut | 0.746 | January 1, 2025 | 1.485 | |
| Travelers Casualty Company, The | 1.350 | January 1, 2008 | 1.486 | |
| Travelers Casualty Insurance Company of America | 2.441 | January 1, 2025 | 1.309 | |
| Travelers Commercial Insurance Company | 1.155 | January 1, 1996 | N/A | |
| Travelers Constitution State Insurance Company | 1.755 | May 21, 2002 | 1.462 | |
| Travelers Indemnity Company of America, The | 1.085 | January 1, 2025 | 1.159 | |
| Travelers Indemnity Company of Connecticut, The | 1.559 | January 1, 2025 | 1.594 | |
| Travelers Indemnity Company, The | 1.220 | January 1, 2025 | 1.304 | |
| Travelers Property Casualty Company of America | 2.170 | January 1, 2025 | 2.169 | |
| Tri-State Insurance Company of Minnesota | 1.470 | January 1, 2022 | 1.309 | |
| Triangle Insurance Company, Inc. | 1.870 | January 1, 2022 | 1.310 | |
| Trinity Universal Insurance Company | 1.225 | January 1, 2009 | 1.294 | |
| Triumphe Casualty Company | 3.245 | January 1, 2025 | 2.950 | |
| Truck Insurance Exchange | 1.764 | January 1, 2023 | 1.688 | |
| Trumbull Insurance Company | 1.036 | January 1, 2023 | 1.001 | |
| Twin City Fire Insurance Company | 2.318 | January 1, 2023 | 2.240 | |
| U.S. Specialty Insurance Co. | 1.130 | April 15, 2000 | N/A | |
| ULLICO Casualty Company | 1.316 | January 1, 2006 | 1.351 | |
| Union Insurance Company | 1.340 | January 1, 2022 | 1.450 | |
| Union Insurance Company of Providence | 0.750 | January 1, 2025 | 1.440 | |
| United Fire & Casualty Company | 1.520 | January 1, 2022 | 1.480 | |
| United States Fidelity and Guaranty Company | 1.62 | September 1, 2009 | 1.672 | |
| United States Fire Insurance Company | 1.642 | January 1, 2020 | 1.485 | |
| United Wisconsin Insurance Company | 1.890 | January 1, 2025 | 1.780 | |
| Universal Underwriters Insurance Company | 1.720 | January 1, 2009 | 1.187 | |
| Utica Mutual Insurance Company | 1.442 | January 1, 2012 | 1.266 | |
| Utica National Assurance Company | 1.696 | July 1, 2000 | 1.379 | |
| Valley Forge Insurance Company | 1.900 | January 1, 2024 | 1.683 | |
| Vanliner Insurance Company | 1.980 | January 1, 2025 | 1.800 | |
| Vigilant Insurance Company | 2.490 | January 1, 2025 | 1.773 | |
| Virginia Surety Company, Inc. | 1.361 | January 1, 2006 | 1.344 | |
| Wausau Business Insurance Company | 1.170 | January 1, 2015 | 1.074 | |
| Wausau General Insurance Company | 0.992 | January 1, 2013 | 1.068 | |
| Wausau Underwriters Insurance Company | 1.800 | January 1, 2015 | 1.653 | |
| Waypoint Mutual | 1.460 | January 1, 2025 | 1.390 | |
| WCF National Insurance Company | 1.631 | January 1, 2024 | 1.400 | |
| WCF Select Insurance Company | 1.631 | January 1, 2024 | 2.050 | |
| Wellfleet Insurance Company | 1.050 | January 1, 2024 | 0.950 | |
| Wellfleet New York Insurance Company | 2.055 | January 1, 2024 | 1.860 | |
| Wesco Insurance Company | 1.700 | January 1, 2025 | 1.600 | |
| West American Insurance Company | 2.360 | January 1, 2022 | 2.068 | |
| West Bend Mutual Insurance Company | 1.500 | January 1, 2025 | 1.440 | |
| Westchester Fire Insurance Company | 1.992 | January 1, 2025 | 1.430 | |
| Western Agricultural Insurance Company | 2.246 | January 1, 2022 | 2.294 | |
| Westfield Champion Insurance Company | 1.302 | July 15, 2021 | n/a | |
| Westfield Insurance Company | 1.577 | January 1, 2022 | 1.393 | |
| Westfield National Insurance Company | 1.341 | January 1, 2022 | 1.211 | |
| Westfield Premier Insurance Company | 2.523 | July 15, 2021 | n/a | |
| Westfield Superior Insurance Company | 2.034 | July 15, 2021 | n/a | |
| Westfield Touchstone Insurance Company | 1.058 | July 15, 2021 | n/a | |
| Westport Insurance Corporation | 1.292 | January 1, 2009 | N/A | |
| Williamsburg National Insurance Company | 1.631 | November 15, 2017 | 1.510 | |
| Work First Casualty Company | 1.704 | January 1, 2015 | 1.539 | |
| XL Insurance America, Inc. | 1.093 | January 1, 2019 | 1.058 | |
| XL Specialty Insurance Company | 1.366 | January 1, 2019 | 1.322 | |
| Zenith Insurance Company | 1.516 | March 1, 2011 | 1.589 | |
| Zurich America Insurance Company of Illinois | 1.792 | January 1, 2022 | 1.980 | |
| Zurich American Insurance Company | 1.493 | January 1, 2022 | 1.650 | |
