# Atlas Commons research objects — carrier quality profile for MITSUI SUMITOMO INSURANCE USA INC. (NAIC 22551) — context brief

Insurer-quality data for MITSUI SUMITOMO INSURANCE USA INC. (NAIC 22551): confirmed complaint counts and complaints-per-1,000-policies rate (TX DOI / NAIC, RECORDED and DERIVED), surety certification status (Treasury C570, RECORDED), California direct premium written (CA DOI, RECORDED) and California direct loss ratio (CA DOI, DERIVED). Epistemic status of each figure is labeled. This surface informs; it does not rank or advise. Verify license at your state DOI before purchasing. CC0.

Claims (warrant · source), each re-fetchable to verify:

- **MITSUI SUMITOMO INSURANCE USA INC. had 0 confirmed complaints in 2025** — RECORDED · TX DOI Complaint Data + NAIC complaint index + Treasury C570 (surety) (https://www.tdi.texas.gov/consumer/complaintchoice.html)
- **MITSUI SUMITOMO INSURANCE USA INC. had 163 TX policies in force in 2025** — RECORDED · TX DOI Complaint Data + NAIC complaint index + Treasury C570 (surety) (https://www.tdi.texas.gov/consumer/complaintchoice.html)
- **MITSUI SUMITOMO INSURANCE USA INC. is NOT listed on the U.S. Treasury Circular 570 (certified surety companies)** — RECORDED · U.S. Treasury Circular 570 (certified surety companies) (https://fiscaltreasury.gov/services/surety-bonds/list-certified-companies/)
- **MITSUI SUMITOMO INSURANCE USA INC. wrote $46,954,094 in California direct premiums across ALLIED LINES, BOILER & MACHINERY, COMMERCIAL AUTO LIABILITY, COMMERCIAL AUTO PHYSICAL DAMAGE, COMMERCIAL MULTIPLE PERIL (LIABILITY), COMMERCIAL MULTIPLE PERIL (NON-LIABILITY), FIRE, INLAND MARINE, OCEAN MARINE, OTHER LIABILITY CLAIMS MADE, OTHER LIABILITY OCCURRENCE, PRIVATE FLOOD, PRODUCTS LIABILITY CLAIM-MADE, PRODUCTS LIABILITY OCCURRENCE, TOTALS, WORKERS' COMPENSATION lines** — RECORDED · California DOI Market Share Report (https://www.insurance.ca.gov/01-consumers/120-company/08-res-data/market-share-reports.cfm)
- **MITSUI SUMITOMO INSURANCE USA INC.'s California direct loss ratio is 37.5%** — DERIVED · California DOI Market Share Report (Atlas Commons derivation) (https://www.insurance.ca.gov/01-consumers/120-company/08-res-data/market-share-reports.cfm)
- **What this carrier quality profile is — and is NOT — for MITSUI SUMITOMO INSURANCE USA INC. (the epistemic boundary)** — INTERPRETATION · Coverage Atlas framing (over the sources cited above) (https://coverage-atlas.ryanjhunter.workers.dev/coverage/carriers/22551)

Do not take these on trust — re-fetch each named source. Full structured object: `https://coverage-atlas.ryanjhunter.workers.dev/coverage/carriers/22551.jsonld` · anatomy of the research object: see /commons/the-research-object

**MITSUI SUMITOMO INSURANCE USA INC. (NAIC 22551) — every quality indicator (typed)** (6): Complaint data year — 2025 — RECORDED — TX DOI Complaint Data + NAIC complaint index + Treasury C570 (surety); Confirmed complaints (latest year) — 0 — RECORDED — TX DOI Complaint Data + NAIC complaint index + Treasury C570 (surety); Policies in force (latest year) — 163 — RECORDED — TX DOI Complaint Data + NAIC complaint index + Treasury C570 (surety)…
**MITSUI SUMITOMO INSURANCE USA INC. — lines of insurance covered in complaint data (RECORDED)** (2): Automobile; Workers' Compensation…
**MITSUI SUMITOMO INSURANCE USA INC. — lines written in California (RECORDED)** (16): ALLIED LINES; BOILER & MACHINERY; COMMERCIAL AUTO LIABILITY…