Arch Property Casualty Insurance Company · NAIC 10946
Where Arch Property Casualty 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.
Arch Property Casualty Insurance Company (NAIC 10946) is a property and casualty insurer domiciled in Missouri, part of Arch Insurance Group. State regulators list it as licensed (admitted) in Alaska, Connecticut, Delaware, Georgia, Hawaii, Iowa, Idaho, Illinois, Kentucky, Massachusetts, Maryland, Missouri, Mississippi, North Carolina, North Dakota, Nebraska, Nevada, Ohio, Oklahoma, Oregon, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Wisconsin, Wyoming and an eligible surplus lines insurer in Washington. It ranked #254 of 327 in Texas workers' compensation in 2025 (0.0% share). It ranked #264 of 312 in Wisconsin commercial auto in 2024 (0.0% share). It ranked #295 of 312 in Wisconsin workers' compensation in 2024 (0.0% share).
By Sam Alishahi, independent insurance broker · All companies
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 California, Colorado, Florida, Minnesota, Montana, New Jersey, New York, Utah, West Virginia, which doesn't by itself mean it isn't licensed there.
| State | Status | Lines licensed | Since | Source |
|---|---|---|---|---|
| Alaska | Admitted (licensed) | — | — | Alaska, 2026-10-18 |
| Connecticut | Admitted (licensed) | — | — | Connecticut, 2026-10-18 |
| Delaware | Admitted (licensed) | — | — | Delaware, 2026-10-18 |
| Georgia | Admitted (licensed) | General liability, Commercial property (fire and allied lines), Surety bonds, Workers' compensation | — | Georgia, 2026-10-18 |
| Hawaii | Admitted (licensed) | — | — | Hawaii, 2026-10-18 |
| Idaho | Admitted (licensed) | Fidelity bonds, General liability, Ocean marine, Commercial property (fire and allied lines), Surety bonds, Workers' compensation | — | Idaho, 2026-10-18 |
| Illinois | Admitted (licensed) | General liability, Workers' compensation | — | Illinois, 2026-10-18 |
| Iowa | Admitted (licensed) | — | — | Iowa, 2026-10-18 |
| Kentucky | Admitted (licensed) | — | — | Kentucky Department of Insurance, 2026-10-17 |
| Maryland | Admitted (licensed) | — | — | Maryland Insurance Administration, 2026-10-17 |
| Massachusetts | Admitted (licensed) | Personal auto, Fidelity bonds, General liability, Surety bonds, Workers' compensation | — | Massachusetts, 2026-10-18 |
| Mississippi | Admitted (licensed) | Aircraft and aviation, Personal auto, Equipment breakdown, Credit, Farm and crop, Fidelity bonds, Glass, Homeowners, Inland marine, General liability, Ocean marine, Commercial property (fire and allied lines), Surety bonds, Workers' compensation | 01-06-2020 | Mississippi Insurance Department, 2026-10-17 |
| Missouri | Admitted (licensed) | Personal auto, Commercial auto, Workers' compensation | — | Missouri, 2026-10-18 |
| Nebraska | Admitted (licensed) | — | — | Nebraska, 2026-10-18 |
| Nevada | Admitted (licensed) | General liability, Ocean marine, Commercial property (fire and allied lines), Surety bonds, Workers' compensation | — | Nevada Division of Insurance, 2026-10-17 |
| North Carolina | Admitted (licensed) | Personal auto, Commercial auto, General liability, Workers' compensation | — | North Carolina, 2026-10-18 |
| North Dakota | Admitted (licensed) | — | — | North Dakota, 2026-10-18 |
| Ohio | Admitted (licensed) | — | — | Ohio Department of Insurance, 2026-10-17 |
| Oklahoma | Admitted (licensed) | — | — | Oklahoma, 2026-10-18 |
| Oregon | Admitted (licensed) | Workers' compensation | — | Oregon, 2026-10-18 |
| Rhode Island | Admitted (licensed) | — | — | Rhode Island, 2026-10-18 |
| South Carolina | Admitted (licensed) | — | — | South Carolina, 2026-10-18 |
| South Dakota | Admitted (licensed) | — | — | South Dakota, 2026-10-18 |
| Tennessee | Admitted (licensed) | — | — | Tennessee, 2026-10-18 |
| Texas | Admitted (licensed) | Personal auto, Equipment breakdown, 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' compensation | 2021/02/26 | Texas Department of Insurance, 2026-10-17 |
| Washington | Surplus lines (eligible) | — | — | Washington Office of the Insurance Commissioner and the Surplus Line Association of Washington, 2026-10-17 |
| Wisconsin | Admitted (licensed) | Personal auto, Commercial auto, General liability, Medical malpractice, Workers' compensation | — | Wisconsin, 2026-10-18 |
| Wyoming | Admitted (licensed) | — | — | Wyoming, 2026-10-18 |
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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