American Trucking and Transportation Insurance Company, A Risk Retention Group · NAIC 11534
Where American Trucking and Transportation Insurance Company, A Risk Retention Group 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.
American Trucking and Transportation Insurance Company, A Risk Retention Group (NAIC 11534) is a property and casualty insurer domiciled in Montana. State regulators list it as licensed (admitted) in California, Delaware, Illinois, Maryland, Missouri, Oklahoma, Washington. It ranked #268 of 448 in Illinois commercial auto in 2025 (0.0% share). It ranked #290 of 408 in North Carolina commercial auto in 2025 (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 Alaska, Colorado, Connecticut, Florida, Georgia, Hawaii, Iowa, Idaho, Kentucky, Massachusetts, Minnesota, Mississippi, Montana, North Dakota, Nebraska, New Jersey, Nevada, New York, Ohio, Oregon, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Wisconsin, West Virginia, Wyoming, which doesn't by itself mean it isn't licensed there.
| State | Status | Lines licensed | Since | Source |
|---|---|---|---|---|
| California | Admitted (licensed) | — | — | California Department of Insurance, 2026-10-17 |
| Delaware | Admitted (licensed) | — | — | Delaware, 2026-10-18 |
| Illinois | Admitted (licensed) | Personal auto, Commercial auto, General liability | — | Illinois, 2026-10-18 |
| Maryland | Admitted (licensed) | — | — | Maryland Insurance Administration, 2026-10-17 |
| Missouri | Admitted (licensed) | — | — | Missouri, 2026-10-18 |
| North Carolina | Writes (premium reported) | Commercial auto | — | North Carolina, 2026-10-18 |
| Oklahoma | Admitted (licensed) | Personal auto | — | Oklahoma, 2026-10-18 |
| Washington | Admitted (licensed) | — | — | Washington Office of the Insurance Commissioner and the Surplus Line Association of Washington, 2026-10-17 |
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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