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Directory · Company · Updated 2026-10-18

Westfield Insurance Company · NAIC 24112

Where Westfield Insurance Company 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.

Westfield Insurance Company (NAIC 24112) is a property and casualty insurer domiciled in Ohio, part of Westfield 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 #10 of 50 in North Carolina farm and crop in 2025 (1.8% share). It ranked #12 of 49 in Wisconsin farm and crop in 2024 (2.0% share). It ranked #20 of 57 in Illinois farm and crop in 2025 (0.3% share). The U.S. Treasury lists it as a certified surety with a $152.9M 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)——California Department of Insurance, 2026-10-17
ColoradoAdmitted (licensed)Personal auto, Equipment breakdown, Commercial auto, Commercial package (BOP, CMP), Crime (burglary and theft), Earthquake, 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)Aircraft and aviation, Personal auto, Commercial auto, Commercial package (BOP, CMP), Earthquake, Fidelity bonds, Inland marine, General liability, Ocean marine, 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), Crime (burglary and theft), 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)Fidelity bonds, Surety bonds—Massachusetts, 2026-10-18
MinnesotaAdmitted (licensed)——Minnesota, 2026-10-18
MississippiAdmitted (licensed)Aircraft and aviation, 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' compensation11-01-1975Mississippi Insurance Department, 2026-10-17
MissouriAdmitted (licensed)Personal auto, Commercial auto, Commercial package (BOP, CMP), Earthquake, Fidelity bonds, 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, 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), Crime (burglary and theft), Earthquake, 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, Fidelity bonds, General liability, Surety bonds, Workers' compensation—Oklahoma, 2026-10-18
OregonAdmitted (licensed)Surety bonds—Oregon, 2026-10-18
Rhode IslandAdmitted (licensed)——Rhode Island, 2026-10-18
South CarolinaAdmitted (licensed)——South Carolina, 2026-10-18
South DakotaAdmitted (licensed)Personal auto, Equipment breakdown, Commercial auto, Commercial package (BOP, CMP), 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), Earthquake, Fidelity bonds, Glass, Inland marine, General liability, Ocean marine, Commercial property (fire and allied lines), Surety bonds, Workers' compensation1969/10/06Texas Department of Insurance, 2026-10-17
UtahAdmitted (licensed)——Utah, 2026-10-18
WashingtonAdmitted (licensed)——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
Farm and crop in Illinois#20 of 57$3.7M0.26%2025
Equipment breakdown in Illinois#46 of 231$396,8820.32%2025
Surety bonds in Illinois#63 of 157$766,8210.21%2025
Commercial package (BOP, CMP) in Illinois#65 of 400$11.6M0.41%2025
Crime (burglary and theft) in Illinois#80 of 188$11,9580.03%2025
Fidelity bonds in Illinois#82 of 162$28,9450.04%2025
Earthquake in Illinois#85 of 265$120,8850.11%2025
Commercial auto in Illinois#116 of 448$5.0M0.16%2025
Homeowners in Illinois#127 of 183$869,2790.01%2025
Commercial property (fire and allied lines) in Illinois#133 of 387$1.5M0.09%2025
Personal auto in Illinois#151 of 194$666,8770.01%2025
Inland marine in Illinois#161 of 452$798,5110.06%2025
General liability in Illinois#188 of 695$6.2M0.10%2025
Workers' compensation in Illinois#219 of 375$1.6M0.07%2025
Farm and crop in North Carolina#10 of 50$8.0M1.77%2025
Equipment breakdown in North Carolina#40 of 219$308,4040.43%2025
Commercial package (BOP, CMP) in North Carolina#48 of 361$8.2M0.47%2025
Surety bonds in North Carolina#53 of 152$1.3M0.40%2025
Fidelity bonds in North Carolina#69 of 145$33,2690.08%2025
Commercial auto in North Carolina#76 of 408$5.0M0.24%2025
Earthquake in North Carolina#80 of 180$19,3530.09%2025
Crime (burglary and theft) in North Carolina#82 of 162$4,6450.03%2025
General liability in North Carolina#103 of 621$8.6M0.29%2025
Commercial property (fire and allied lines) in North Carolina#117 of 340$1.8M0.13%2025
Inland marine in North Carolina#139 of 420$726,5980.07%2025
Workers' compensation in North Carolina#247 of 347$378,9000.03%2025
Surety bonds in South Dakota#52 of 106$67,9980.21%2025
Equipment breakdown in South Dakota#72 of 118$5,8280.04%2025
General liability in South Dakota#114 of 356$302,9670.14%2025
Commercial property (fire and allied lines) in South Dakota#122 of 157$10,9640.01%2025
Commercial package (BOP, CMP) in South Dakota#129 of 217$164,6170.06%2025
Inland marine in South Dakota#142 of 248$25,9950.02%2025
Commercial auto in South Dakota#192 of 237$23,0240.01%2025
Workers' compensation in South Dakota#252 of 284$8,2660.00%2025
Surety bonds in Texas#25 of 165$17.2M1.30%2025
Earthquake in Texas#102 of 130$6130.00%2025
Fidelity bonds in Texas#109 of 123$1,3760.00%2025
General liability in Texas#113 of 463$12.0M0.18%2025
Equipment breakdown in Texas#129 of 173$16,7600.01%2025
Commercial package (BOP, CMP) in Texas#221 of 260$634,0020.01%2025
Commercial auto in Texas#274 of 329$359,0320.00%2025
Workers' compensation in Texas#295 of 327$75,0730.00%2025
Farm and crop in Wisconsin#12 of 49$5.6M2.01%2024
Surety bonds in Wisconsin#63 of 117$120,7750.12%2024
Commercial package (BOP, CMP) in Wisconsin#67 of 276$3.2M0.29%2024
Fidelity bonds in Wisconsin#70 of 118$9,6410.04%2024
Workers' compensation in Wisconsin#72 of 312$4.0M0.22%2024
Commercial auto in Wisconsin#80 of 312$2.1M0.21%2024
Commercial property (fire and allied lines) in Wisconsin#120 of 210$66,0610.02%2024
Homeowners in Wisconsin#132 of 161$110,2200.00%2024
General liability in Wisconsin#143 of 429$1.2M0.09%2024
Standing

Where it's a top-10 writer

Westfield Group (NAIC group 00228), the group Westfield Insurance Company 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
Farm and crop in Pennsylvania
Farmowners Multiple Peril
#2$26.0M17.72%2025
Farm and crop in South Carolina
Farmowners Multiple Peril
#2$4.6M18.08%2025
Farm and crop in Delaware
Farmowners Multiple Peril
#3$1.7M15.58%2025
Farm and crop in Maryland
Farmowners Multiple Peril
#3$3.2M7.95%2025
Farm and crop in North Carolina
Farmowners Multiple Peril
#3$11.0M12.65%2025
Commercial package (BOP, CMP) in Ohio
Total Commercial Multiple Peril
#3$133.6M6.45%2025
Commercial package (BOP, CMP) in West Virginia
Total Commercial Multiple Peril
#3$24.4M7.83%2025
Farm and crop in Arizona
Farmowners Multiple Peril
#4$2.3M8.44%2025
Farm and crop in Ohio
Farmowners Multiple Peril
#4$23.2M9.11%2025
Surety bonds in Ohio
Surety
#4$17.0M6.80%2025
Farm and crop in West Virginia
Farmowners Multiple Peril
#4$2.0M8.73%2025
Commercial auto in West Virginia
Commercial Auto Physical Damage
#4$4.4M5.42%2025
Commercial auto in Ohio
Commercial Auto Physical Damage
#5$23.6M4.10%2025
Commercial auto in West Virginia
Commercial Auto Liability
#5$8.8M4.69%2025
Commercial auto in West Virginia
Total Commercial Auto
#5$13.2M4.92%2025
Surety bonds in West Virginia
Surety
#5$2.7M4.87%2025
Equipment breakdown in West Virginia
Boiler and Machinery
#5$560,0004.07%2025
Farm and crop in Georgia
Farmowners Multiple Peril
#6$9.5M4.94%2025
Farm and crop in Iowa
Farmowners Multiple Peril
#6$12.6M2.86%2025
Farm and crop in Kentucky
Farmowners Multiple Peril
#6$5.6M2.17%2025
Farm and crop in New Mexico
Farmowners Multiple Peril
#6$2.4M5.86%2025
Commercial package (BOP, CMP) in New Mexico
Total Commercial Multiple Peril
#6$18.1M4.89%2025
Earthquake in Ohio
Earthquake
#6$2.1M5.29%2025
Workers' compensation in Ohio
Workers Compensation
#6$1.4M0.11%2025
Earthquake in Iowa
Earthquake
#7$394,0005.80%2025
Equipment breakdown in Ohio
Boiler and Machinery
#7$4.5M3.94%2025
Farm and crop in Tennessee
Farmowners Multiple Peril
#7$4.0M1.74%2025
Surety bonds in Tennessee
Surety
#7$7.4M3.81%2025
Homeowners in West Virginia
Homeowners Multiple Peril
#7$22.5M3.42%2025
Equipment breakdown in Colorado
Boiler and Machinery
#8$1.3M2.92%2025
Farm and crop in Michigan
Farmowners Multiple Peril
#8$2.7M1.25%2025
Farm and crop in Minnesota
Farmowners Multiple Peril
#8$6.3M2.49%2025
Equipment breakdown in New Mexico
Boiler and Machinery
#8$573,0004.59%2025
Commercial auto in Ohio
Total Commercial Auto
#8$61.1M2.88%2025
General liability in West Virginia
Other Liability
#8$8.7M2.79%2025
Farm and crop in Indiana
Farmowners Multiple Peril
#9$7.3M2.52%2025
Commercial package (BOP, CMP) in Kentucky
Total Commercial Multiple Peril
#9$21.7M2.41%2025
Earthquake in Minnesota
Earthquake
#9$235,0003.25%2025
Personal auto in West Virginia
Total Private Passenger Auto
#9$31.7M1.89%2025
Personal auto in West Virginia
Private Passenger Auto Physical Damage
#9$17.1M1.95%2025
Farm and crop in Wisconsin
Farmowners Multiple Peril
#9$7.9M2.45%2025
Farm and crop in Illinois
Farmowners Multiple Peril
#10$5.6M1.79%2025
Commercial auto in New Mexico
Commercial Auto Physical Damage
#10$2.6M2.59%2025
Commercial auto in Ohio
Commercial Auto Liability
#10$37.5M2.43%2025
Commercial package (BOP, CMP) in Tennessee
Total Commercial Multiple Peril
#10$33.9M2.40%2025
Farm and crop in Virginia
Farmowners Multiple Peril
#10$2.1M1.74%2025
Inland marine in West Virginia
Inland Marine
#10$3.1M2.80%2025
Personal auto in West Virginia
Private Passenger Auto Liability
#10$14.6M1.83%2025
Bonds

Treasury-certified surety

On the U.S. Treasury's Circular 570 (updated August 01, 2026) with an underwriting limit of $152.9M per bond, licensed to write surety in 51 states and territories: AK, AL, AR, AZ, CO, CT, DC, DE, FL, GA, 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, PR, 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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