Who writes aircraft and aviation in South Dakota
Ranked by direct premium written in 2025 from the South Dakota market share report (every company, not a top-N list).
26 companies wrote aircraft and aviation in South Dakota in 2025, $14.3M in direct premium. National Union Fire Insurance Company of Pittsburgh, Pennsylvania led with 17.6%; the top five hold 63%.
By Sam Alishahi, independent insurance broker · All lines in South Dakota
The companies
| # | Company | NAIC | Home state | Status here | Premium | Share |
|---|---|---|---|---|---|---|
| 1 | National Union Fire Insurance Company of Pittsburgh, Pennsylvania | 19445 | PA | Admitted (licensed) | $2.5M | 17.58% |
| 2 | Old Republic Insurance Company | 24147 | PA | Admitted (licensed) | $2.4M | 16.45% |
| 3 | STARR INDEMNITY \u0026 LIABILITY COMPANY | 38318 | TX | Admitted (licensed) | $1.6M | 11.05% |
| 4 | Ace American Insurance Company | 22667 | PA | Admitted (licensed) | $1.3M | 8.88% |
| 5 | Endurance American Insurance Company | 10641 | DE | Admitted (licensed) | $1.2M | 8.64% |
| 6 | QBE Insurance (Europe) Limited | 39217 | PA | Admitted (licensed) | $686,549 | 4.79% |
| 7 | Continental Indemnity Company | 28258 | NM | Admitted (licensed) | $663,415 | 4.63% |
| 8 | U.S. Specialty Insurance Company | 29599 | TX | Admitted (licensed) | $654,675 | 4.57% |
| 9 | Allianz Global Risks US Insurance Company | 35300 | IL | Admitted (licensed) | $617,056 | 4.31% |
| 10 | American Alternative Insurance Corporation | 19720 | DE | Admitted (licensed) | $489,794 | 3.42% |
| 11 | Harco National Insurance Company | 26433 | IL | Admitted (licensed) | $344,897 | 2.41% |
| 12 | Great American Insurance Company | 16691 | OH | Admitted (licensed) | $281,174 | 1.96% |
| 13 | Avemco Insurance Company | 10367 | MD | Admitted (licensed) | $236,368 | 1.65% |
| 14 | HDI Global Select Insurance Company | 14265 | IL | Admitted (licensed) | $227,130 | 1.58% |
| 15 | Falls Lake National Insurance Company | 31925 | OH | Admitted (licensed) | $210,670 | 1.47% |
| 16 | XL Specialty Insurance Company | 37885 | DE | Admitted (licensed) | $165,552 | 1.16% |
| 17 | Westchester Fire Insurance Company | 10030 | PA | Admitted (licensed) | $161,247 | 1.12% |
| 18 | Obsidian Insurance Company | 35602 | OH | Admitted (licensed) | $147,047 | 1.03% |
| 19 | National Indemnity Company | 20087 | NE | Admitted (licensed) | $127,619 | 0.89% |
| 20 | MS Transverse Insurance Company | 21075 | TX | Admitted (licensed) | $111,441 | 0.78% |
| 21 | Tokio Marine America Insurance Company | 10945 | NY | Admitted (licensed) | $83,050 | 0.58% |
| 22 | American Commerce Insurance Company | 19941 | OH | Admitted (licensed) | $67,139 | 0.47% |
| 23 | SiriusPoint America Insurance Company | 38776 | NY | Admitted (licensed) | $44,213 | 0.31% |
| 24 | StarStone National Insurance Company | 25496 | DE | Admitted (licensed) | $25,823 | 0.18% |
| 25 | Imperium Insurance Company | 35408 | TX | Admitted (licensed) | $15,885 | 0.11% |
| 26 | Kinsale Insurance Company | 38920 | AR | Writes (premium reported) | $1,654 | 0.01% |
Method and source
Source: the South Dakota insurance regulator company list, read 2026-10-18. SD publishes no licensing roster. This is the SD Division of Insurance market share report set for 2025 (NAIC i-site, CodeList Basis: Licensed): every licensed company that reported SD direct premium on its 2025 annual statement, so licensed companies with no SD premium are absent. type = statement type of the total report(s) the company appears in (Property & Casualty / Life / Health / Title; Life covers both the Life & Annuity and the Life A&H totals). lines = SD per-line reports in which the company wrote direct premium > 0, named as the report headers name them (P&C lines plus the A&H lines filed on P&C/Life statements). Farm mutuals sheet (no NAIC codes) and the 'all statement types' aggregates skipped. No surplus lines eligibility list is published by SD (surplus lines filings go through the SLIP+ clearinghouse). 1 company(ies) found only in a per-line report, not in any total, left out: 38920 Kinsale Ins Co (Aircraft - All Perils). "Premium" is direct premium written in the state for the year shown; "share" is that company's part of the state total for the line. A company can be licensed for a line and write none of it, and a surplus lines insurer can write a line without a state license for it.
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