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Directory · Company · Updated 2026-10-18

Ohio Casualty Insurance Company (The) · NAIC 24074

Where Ohio Casualty Insurance Company (The) is admitted, where it's eligible for surplus lines, the lines it's licensed for and how much of each it writes, from state regulators' public lists and market share reports.

Ohio Casualty Insurance Company (The) (NAIC 24074) is a property and casualty insurer domiciled in New Hampshire, part of Liberty Mutual Group. State regulators list it as licensed (admitted) in Alaska, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Iowa, Idaho, Illinois, Kentucky, Massachusetts, Maryland, Minnesota, Missouri, Mississippi, North Carolina, North Dakota, Nebraska, New Jersey, Nevada, New York, Ohio, Oklahoma, Oregon, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Washington, Wisconsin, Wyoming. It ranked #7 of 148 in California surety bonds in 2025 (3.5% share). It ranked #8 of 157 in Illinois surety bonds in 2025 (2.6% share). It ranked #8 of 40 in Washington surety bonds in 2025 (3.2% share). The U.S. Treasury lists it as a certified surety with a $340.3M underwriting limit.

By Sam Alishahi, independent insurance broker · All companies

By state

Where it's licensed

States whose regulator lists are loaded: Alaska, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Iowa, Idaho, Illinois, Kentucky, Massachusetts, Maryland, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Jersey, Nevada, New York, Ohio, Oklahoma, Oregon, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Washington, Wisconsin, West Virginia, Wyoming. Not on the lists we have for Montana, West Virginia, which doesn't by itself mean it isn't licensed there.

StateStatusLines licensedSinceSource
AlaskaAdmitted (licensed)——Alaska, 2026-10-18
CaliforniaAdmitted (licensed)Equipment breakdown, Commercial auto, Commercial package (BOP, CMP), Earthquake, Farm and crop, Fidelity bonds, Inland marine, General liability, Commercial property (fire and allied lines), Surety bonds, Workers' compensation—California Department of Insurance, 2026-10-17
ColoradoAdmitted (licensed)Personal auto, Equipment breakdown, Commercial auto, Commercial package (BOP, CMP), Farm and crop, Fidelity bonds, Homeowners, Inland marine, General liability, Commercial property (fire and allied lines), Surety bonds, Workers' compensation—Colorado, 2026-10-18
ConnecticutAdmitted (licensed)——Connecticut, 2026-10-18
DelawareAdmitted (licensed)——Delaware, 2026-10-18
FloridaAdmitted (licensed)Personal auto, Commercial auto, Commercial package (BOP, CMP), Earthquake, Farm and crop, Fidelity bonds, Homeowners, Inland marine, General liability, Medical malpractice, Commercial property (fire and allied lines), Surety bonds, Workers' compensation—Florida Office of Insurance Regulation, 2026-10-18
GeorgiaAdmitted (licensed)General liability, Commercial property (fire and allied lines), Surety bonds, Workers' compensation—Georgia, 2026-10-18
HawaiiAdmitted (licensed)——Hawaii, 2026-10-18
IdahoAdmitted (licensed)Fidelity bonds, General liability, Ocean marine, Commercial property (fire and allied lines), Surety bonds, Workers' compensation—Idaho, 2026-10-18
IllinoisAdmitted (licensed)Personal auto, Equipment breakdown, Commercial auto, Commercial package (BOP, CMP), Earthquake, Farm and crop, Fidelity bonds, Homeowners, Inland marine, General liability, Commercial property (fire and allied lines), Surety bonds, Workers' compensation—Illinois, 2026-10-18
IowaAdmitted (licensed)——Iowa, 2026-10-18
KentuckyAdmitted (licensed)——Kentucky Department of Insurance, 2026-10-17
MarylandAdmitted (licensed)——Maryland Insurance Administration, 2026-10-17
MassachusettsAdmitted (licensed)Personal auto, Fidelity bonds, General liability, Surety bonds, Workers' compensation—Massachusetts, 2026-10-18
MinnesotaAdmitted (licensed)——Minnesota, 2026-10-18
MississippiAdmitted (licensed)Personal auto, Equipment breakdown, Farm and crop, Fidelity bonds, Glass, Homeowners, Inland marine, General liability, Ocean marine, Commercial property (fire and allied lines), Surety bonds, Workers' compensation03-01-1947Mississippi Insurance Department, 2026-10-17
MissouriAdmitted (licensed)Personal auto, Commercial auto, Commercial package (BOP, CMP), Earthquake, Farm and crop, Fidelity bonds, Homeowners, Inland marine, General liability, Commercial property (fire and allied lines), Surety bonds, Workers' compensation—Missouri, 2026-10-18
NebraskaAdmitted (licensed)——Nebraska, 2026-10-18
NevadaAdmitted (licensed)General liability, Ocean marine, Commercial property (fire and allied lines), Surety bonds, Workers' compensation—Nevada Division of Insurance, 2026-10-17
New JerseyAdmitted (licensed)——New Jersey, 2026-10-18
New YorkAdmitted (licensed)——Excess Line Association of New York (DFS-licensed and eligible excess line insurers), 2026-10-17
North CarolinaAdmitted (licensed)Personal auto, Equipment breakdown, Commercial auto, Commercial package (BOP, CMP), Farm and crop, Fidelity bonds, Homeowners, Inland marine, General liability, Commercial property (fire and allied lines), Surety bonds, Workers' compensation—North Carolina, 2026-10-18
North DakotaAdmitted (licensed)——North Dakota, 2026-10-18
OhioAdmitted (licensed)——Ohio Department of Insurance, 2026-10-17
OklahomaAdmitted (licensed)Personal auto, Equipment breakdown, Earthquake, Farm and crop, Fidelity bonds, Homeowners, Inland marine, General liability, Commercial property (fire and allied lines), Surety bonds, Workers' compensation—Oklahoma, 2026-10-18
OregonAdmitted (licensed)Personal auto, Equipment breakdown, Commercial auto, Commercial package (BOP, CMP), Earthquake, Farm and crop, Fidelity bonds, Homeowners, Inland marine, General liability, Commercial property (fire and allied lines), Surety bonds, Workers' compensation—Oregon, 2026-10-18
Rhode IslandAdmitted (licensed)——Rhode Island, 2026-10-18
South CarolinaAdmitted (licensed)——South Carolina, 2026-10-18
South DakotaAdmitted (licensed)Commercial package (BOP, CMP), Farm and crop, Fidelity bonds, Homeowners, Inland marine, General liability, Commercial property (fire and allied lines), Surety bonds, Workers' compensation—South Dakota, 2026-10-18
TennesseeAdmitted (licensed)——Tennessee, 2026-10-18
TexasAdmitted (licensed)Aircraft and aviation, Personal auto, Equipment breakdown, Commercial auto, Commercial package (BOP, CMP), Crime (burglary and theft), Farm and crop, Fidelity bonds, Glass, Inland marine, General liability, Ocean marine, Commercial property (fire and allied lines), Surety bonds, Workers' compensation1926/03/19Texas Department of Insurance, 2026-10-17
UtahAdmitted (licensed)——Utah, 2026-10-18
WashingtonAdmitted (licensed)Commercial package (BOP, CMP), Farm and crop, Fidelity bonds, Inland marine, General liability, Surety bonds—Washington Office of the Insurance Commissioner and the Surplus Line Association of Washington, 2026-10-17
WisconsinAdmitted (licensed)Personal auto, Commercial auto, Commercial package (BOP, CMP), Farm and crop, Fidelity bonds, Homeowners, General liability, Commercial property (fire and allied lines), Surety bonds, Workers' compensation—Wisconsin, 2026-10-18
WyomingAdmitted (licensed)——Wyoming, 2026-10-18
What it writes

Premium and rank by line

From the regulators that publish every company's direct premium by line.

Line and stateRankPremium writtenShareYear
Surety bonds in California#7 of 148$44.0M3.47%2025
Inland marine in California#37 of 248$17.8M0.59%2025
Fidelity bonds in California#38 of 109$745,8200.43%2025
Farm and crop in California#43 of 45$440.00%2025
Commercial package (BOP, CMP) in California#49 of 207$26.7M0.41%2025
Equipment breakdown in California#83 of 122$39,8750.02%2025
Commercial property (fire and allied lines) in California#97 of 210$1.5M0.04%2025
Earthquake in California#101 of 128$11,0190.00%2025
Commercial auto in California#115 of 232$8.4M0.13%2025
General liability in California#162 of 353$5.7M0.06%2025
Workers' compensation in California#241 of 245$9,2050.00%2025
Surety bonds in Illinois#8 of 157$9.6M2.61%2025
Fidelity bonds in Illinois#21 of 162$695,9310.94%2025
Farm and crop in Illinois#40 of 57$294,5110.02%2025
Inland marine in Illinois#62 of 452$3.9M0.31%2025
General liability in Illinois#114 of 695$15.5M0.24%2025
Earthquake in Illinois#192 of 265$4,9800.00%2025
Commercial package (BOP, CMP) in Illinois#227 of 400$1.2M0.04%2025
Commercial auto in Illinois#289 of 448$565,0520.02%2025
Workers' compensation in Illinois#290 of 375$448,8040.02%2025
Commercial property (fire and allied lines) in Illinois#303 of 387$55,8260.00%2025
Surety bonds in North Carolina#18 of 152$4.9M1.55%2025
Fidelity bonds in North Carolina#34 of 145$207,0900.49%2025
Inland marine in North Carolina#36 of 420$6.6M0.62%2025
Farm and crop in North Carolina#46 of 50$33,0610.01%2025
Personal auto in North Carolina#101 of 129$64,1020.00%2025
General liability in North Carolina#109 of 621$8.1M0.27%2025
Equipment breakdown in North Carolina#190 of 219$2,2040.00%2025
Commercial package (BOP, CMP) in North Carolina#212 of 361$664,9620.04%2025
Commercial property (fire and allied lines) in North Carolina#236 of 340$107,2560.01%2025
Commercial auto in North Carolina#236 of 408$457,7900.02%2025
Workers' compensation in North Carolina#239 of 347$450,7680.03%2025
Surety bonds in South Dakota#19 of 106$476,7911.48%2025
Inland marine in South Dakota#33 of 248$801,8750.71%2025
Farm and crop in South Dakota#34 of 47$697,8040.05%2025
Fidelity bonds in South Dakota#49 of 79$2,9580.08%2025
General liability in South Dakota#110 of 356$329,2350.15%2025
Commercial package (BOP, CMP) in South Dakota#144 of 217$99,7390.04%2025
Commercial property (fire and allied lines) in South Dakota#150 of 157$8060.00%2025
Workers' compensation in South Dakota#200 of 284$63,3350.03%2025
Inland marine in Texas#22 of 356$35.8M1.10%2025
Farm and crop in Texas#27 of 41$2.1M0.08%2025
Fidelity bonds in Texas#28 of 123$648,3870.66%2025
General liability in Texas#38 of 463$47.4M0.71%2025
Surety bonds in Texas#46 of 165$9.1M0.69%2025
Commercial package (BOP, CMP) in Texas#82 of 260$11.9M0.27%2025
Commercial property (fire and allied lines) in Texas#146 of 260$1.0M0.02%2025
Equipment breakdown in Texas#149 of 173$5,7300.00%2025
Workers' compensation in Texas#187 of 327$1.1M0.04%2025
Commercial auto in Texas#228 of 329$1.6M0.02%2025
Surety bonds in Washington#8 of 40$7.4M3.21%2025
Inland marine in Washington#9 of 40$16.9M3.01%2025
General liability in Washington#14 of 91$27.9M2.50%2025
Commercial package (BOP, CMP) in Washington#23 of 51$15.5M1.57%2025
Fidelity bonds in Washington#23 of 40$213,0000.89%2025
Farm and crop in Washington#35 of 39$185,0000.04%2025
Surety bonds in Wisconsin#14 of 117$2.4M2.29%2024
Fidelity bonds in Wisconsin#19 of 118$293,6241.22%2024
General liability in Wisconsin#56 of 429$5.4M0.42%2024
Commercial property (fire and allied lines) in Wisconsin#175 of 210$2,9490.00%2024
Commercial package (BOP, CMP) in Wisconsin#184 of 276$254,0990.02%2024
Workers' compensation in Wisconsin#195 of 312$416,0730.02%2024
Commercial auto in Wisconsin#231 of 312$126,5870.01%2024
Standing

Where it's a top-10 writer

Liberty Mutual Group (NAIC group 00111), the group Ohio Casualty Insurance Company (The) belongs to, ranks in the top 10 for these lines and states. Top 10 insurer groups by direct premium written in 2025, from the NAIC's Market Share Reports for Property/Casualty Groups and Companies by State. A group is the parent and its insurance companies together; share is the group's part of the state total for the line; loss ratio is losses incurred over premium earned.

Line and stateRankPremium writtenShareYear
Inland marine in Alabama
Inland Marine
#1$65.4M12.21%2025
Flood in Alaska
Private Flood
#1$734,00035.94%2025
Commercial package (BOP, CMP) in Alaska
Total Commercial Multiple Peril
#1$24.7M20.32%2025
Surety bonds in Alaska
Surety
#1$16.0M31.12%2025
Inland marine in Arizona
Inland Marine
#1$117.4M17.01%2025
Inland marine in California
Inland Marine
#1$442.8M12.00%2025
Surety bonds in California
Surety
#1$174.4M13.57%2025
Commercial property (fire and allied lines) in Colorado
Allied Lines
#1$67.6M12.08%2025
Flood in Colorado
Private Flood
#1$1.7M12.50%2025
Inland marine in Colorado
Inland Marine
#1$86.5M13.15%2025
Farm and crop in Connecticut
Farmowners Multiple Peril
#1$5.0M48.95%2025
Inland marine in Connecticut
Inland Marine
#1$60.9M13.38%2025
Surety bonds in Delaware
Surety
#1$6.2M13.93%2025
Inland marine in District of Columbia
Inland Marine
#1$72.4M43.39%2025
Surety bonds in District of Columbia
Surety
#1$55.1M18.51%2025
Flood in Georgia
Private Flood
#1$3.1M14.07%2025
Inland marine in Georgia
Inland Marine
#1$158.0M14.11%2025
Inland marine in Hawaii
Inland Marine
#1$18.4M12.61%2025
Homeowners in Idaho
Homeowners Multiple Peril
#1$189.2M19.52%2025
Inland marine in Idaho
Inland Marine
#1$38.8M18.94%2025
Surety bonds in Idaho
Surety
#1$7.8M12.87%2025
Inland marine in Illinois
Inland Marine
#1$150.0M12.13%2025
Surety bonds in Illinois
Surety
#1$47.2M12.80%2025
Flood in Indiana
Private Flood
#1$4.2M28.00%2025
Inland marine in Indiana
Inland Marine
#1$95.0M16.07%2025
Inland marine in Iowa
Inland Marine
#1$54.3M13.26%2025
Inland marine in Kansas
Inland Marine
#1$34.5M11.31%2025
Commercial property (fire and allied lines) in Kentucky
Fire
#1$36.7M12.59%2025
Surety bonds in Louisiana
Surety
#1$16.4M10.16%2025
Inland marine in Maine
Inland Marine
#1$20.6M14.66%2025
Surety bonds in Maine
Surety
#1$3.7M13.61%2025
Flood in Maryland
Private Flood
#1$2.4M20.58%2025
Inland marine in Maryland
Inland Marine
#1$60.9M11.89%2025
Farm and crop in Massachusetts
Farmowners Multiple Peril
#1$2.4M37.90%2025
Inland marine in Massachusetts
Inland Marine
#1$108.6M14.67%2025
Surety bonds in Massachusetts
Surety
#1$21.5M10.33%2025
Inland marine in Michigan
Inland Marine
#1$137.3M16.69%2025
Surety bonds in Michigan
Surety
#1$19.1M10.63%2025
Flood in Minnesota
Private Flood
#1$1.3M20.49%2025
Inland marine in Minnesota
Inland Marine
#1$93.5M15.37%2025
Surety bonds in Minnesota
Surety
#1$16.4M14.22%2025
Commercial property (fire and allied lines) in Mississippi
Fire
#1$22.2M8.52%2025
Inland marine in Missouri
Inland Marine
#1$69.4M11.53%2025
Surety bonds in Missouri
Surety
#1$32.7M19.87%2025
Commercial property (fire and allied lines) in Montana
Fire
#1$9.9M11.41%2025
Commercial property (fire and allied lines) in Montana
Allied Lines
#1$17.0M19.85%2025
Inland marine in Montana
Inland Marine
#1$29.9M20.38%2025
Inland marine in Nebraska
Inland Marine
#1$48.0M16.70%2025
Inland marine in Nevada
Inland Marine
#1$35.5M12.00%2025
Homeowners in New Hampshire
Homeowners Multiple Peril
#1$87.7M12.35%2025
Inland marine in New Hampshire
Inland Marine
#1$26.7M18.25%2025
Inland marine in New Jersey
Inland Marine
#1$132.5M13.53%2025
Commercial auto in New Jersey
Commercial Auto Liability
#1$285.7M12.12%2025
Surety bonds in New Jersey
Surety
#1$32.3M11.21%2025
Commercial property (fire and allied lines) in New Mexico
Allied Lines
#1$12.9M14.11%2025
Inland marine in New Mexico
Inland Marine
#1$34.6M19.13%2025
Flood in New York
Private Flood
#1$12.4M12.86%2025
Inland marine in North Carolina
Inland Marine
#1$154.1M14.38%2025
Inland marine in North Dakota
Inland Marine
#1$23.5M17.21%2025
Flood in Ohio
Private Flood
#1$5.9M29.94%2025

Showing the best 60 of 807 top-10 placements.

Bonds

Treasury-certified surety

On the U.S. Treasury's Circular 570 (updated August 01, 2026) with an underwriting limit of $340.3M per bond, licensed to write surety in 52 states and territories: AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, GU, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WA, WI, WV, WY.

Method and source

Each row comes from the named regulator's public company list on the date shown, joined by NAIC number. "Admitted" means licensed by the state and backed by its guaranty fund; "surplus lines" means eligible to take risks the admitted market declines, without rate or form approval or guaranty fund protection. Premium and rank come from state market share reports that list every company. This is a public-records directory, not a rating or recommendation; for the company's own filings use the NAIC's Consumer Information Source.

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