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Directory · Company · Updated 2026-10-18

American Steamship Owners Mutual Protection and Indemnity Association, Inc. · NAIC 13366

Where American Steamship Owners Mutual Protection and Indemnity Association, Inc. 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 Steamship Owners Mutual Protection and Indemnity Association, Inc. (NAIC 13366) is a property and casualty insurer domiciled in New York. State regulators list it as licensed (admitted) in New York and an eligible surplus lines insurer in Texas. Its group ranked #1 in New York ocean marine in 2025 (24.7% share).

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 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, Ohio, Oklahoma, Oregon, Rhode Island, South Carolina, South Dakota, Tennessee, Utah, Washington, Wisconsin, West Virginia, Wyoming, which doesn't by itself mean it isn't licensed there.

StateStatusLines licensedSinceSource
New YorkAdmitted (licensed)——Excess Line Association of New York (DFS-licensed and eligible excess line insurers), 2026-10-17
TexasSurplus lines (eligible)—2008/06/01Texas Department of Insurance, 2026-10-17
Standing

Where it's a top-10 writer

American Steamship Owners Mutual Protection and Indemnity Association, Inc. 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
Ocean marine in New York
Ocean Marine
#1$129.4M24.74%2025
Surplus lines

What it writes as a surplus lines insurer in Texas

Coverage lines on which American Steamship Owners Mutual Protection and Indemnity Association, Inc. filed surplus lines premium with the Surplus Lines Stamping Office of Texas, January to September 2026, ranked by premium among the insurers that filed on each line. Most surplus lines insurers write nationally, so this is a good guide to what it takes on elsewhere too.

Source: SLTX Market Data Reports, "Coverage Totals by Insurer". Ranks only; see the report for premium.

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 and, except in New Jersey (which has a separate surplus lines guaranty fund), without 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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