---
title: Atlas Commons research objects — carrier quality profile for NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH, PA. (NAIC 19445)
license: CC0-1.0
source: TX DOI Complaint Data + NAIC complaint index + Treasury C570 (surety)
---

# Atlas Commons research objects — carrier quality profile for NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH, PA. (NAIC 19445)

Insurer-quality data for NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH, PA. (NAIC 19445): 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

### NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH, PA. had 5 confirmed complaints in 2025

**RECORDED.** The TX DOI / NAIC complaint data records 5 confirmed complaints for NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH, PA. (NAIC 19445) in 2025 across 3 lines of insurance. A directly reported count from the named authority.

Source: TX DOI Complaint Data + NAIC complaint index + Treasury C570 (surety) — https://www.tdi.texas.gov/consumer/complaintchoice.html
Falsifier: Check the TX DOI / NAIC complaint database directly for NAIC code 19445. Falsified if the source figure differs from the published record.

### NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH, PA. had 481,985 TX policies in force in 2025

**RECORDED.** The TX DOI / NAIC data records 481,985 policies in force for NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH, PA. (NAIC 19445) in 2025. This is the denominator used when computing the complaints-per-1,000-policies rate.

Source: TX DOI Complaint Data + NAIC complaint index + Treasury C570 (surety) — https://www.tdi.texas.gov/consumer/complaintchoice.html
Falsifier: Verify the policy-count figure in the TX DOI / NAIC filing for NAIC 19445.

### NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH, PA. had 0.010 confirmed complaints per 1,000 TX policies in 2025

**DERIVED.** The complaints-per-1,000-policies rate for NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH, PA. (NAIC 19445) is 0.010 for 2025. Computed as: confirmed_complaints_latest ÷ policies_in_force_latest × 1,000. Only present when the book is material (≥1,000 policies in force), so small-book noise is excluded. A lower rate is generally better; however this reflects TX-filed complaints only — not all states, not all lines nationally. THIS IS NOT A RANKING or a verdict on the carrier. Computed by Atlas Commons from TX DOI / NAIC figures; the TX DOI / NAIC publishes the raw counts, not this rate.

Source: TX DOI Complaint Data + NAIC complaint index + Treasury C570 (surety) (Atlas Commons derivation) — https://www.tdi.texas.gov/consumer/complaintchoice.html
Falsifier: Reproduce it: divide confirmed_complaints_latest by policies_in_force_latest and multiply by 1,000 for NAIC 19445. Falsified if the result differs by more than rounding error. Note: this is an Atlas Commons derivation, not a TX DOI-published figure.

### NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH, PA. is listed on the U.S. Treasury Circular 570 (certified surety companies)

**RECORDED.** The U.S. Treasury Circular 570 lists NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH, PA. (NAIC 19445) as a certified company holding a certificate of authority from the Secretary of the Treasury to act as surety on federal bonds. Surety certification is specific to federal bonds; it does not certify the carrier's quality for other lines of insurance.

Source: U.S. Treasury Circular 570 (certified surety companies) — https://fiscaltreasury.gov/services/surety-bonds/list-certified-companies/
Falsifier: Verify at https://fiscaltreasury.gov/services/surety-bonds/list-certified-companies/: search for NAIC 19445. Falsified if the current C570 list contradicts this value.

### NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH, PA. wrote $1,317,631,982 in California direct premiums across AIRCRAFT, ALLIED LINES, BOILER & MACHINERY, BURGLARY & THEFT, COMMERCIAL AUTO LIABILITY, COMMERCIAL AUTO NO-FAULT, COMMERCIAL AUTO PHYSICAL DAMAGE, COMMERCIAL MULTIPLE PERIL (LIABILITY), COMMERCIAL MULTIPLE PERIL (NON-LIABILITY), EARTHQUAKE, EXCESS WORKERS' COMPENSATION, FIDELITY, FIRE, INLAND MARINE, MEDICAL PROFESSIONAL LIAB - OCCURRENCE, OCEAN MARINE, OTHER HEALTH, OTHER LIABILITY CLAIMS MADE, OTHER LIABILITY OCCURRENCE, PRODUCTS LIABILITY CLAIM-MADE, PRODUCTS LIABILITY OCCURRENCE, SURETY, TOTALS, WORKERS' COMPENSATION lines

**RECORDED.** Per the California DOI Market Share Report, NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH, PA. (NAIC 19445) wrote $1,317,631,982 in California direct premiums across the following lines of insurance: AIRCRAFT, ALLIED LINES, BOILER & MACHINERY, BURGLARY & THEFT, COMMERCIAL AUTO LIABILITY, COMMERCIAL AUTO NO-FAULT, COMMERCIAL AUTO PHYSICAL DAMAGE, COMMERCIAL MULTIPLE PERIL (LIABILITY), COMMERCIAL MULTIPLE PERIL (NON-LIABILITY), EARTHQUAKE, EXCESS WORKERS' COMPENSATION, FIDELITY, FIRE, INLAND MARINE, MEDICAL PROFESSIONAL LIAB - OCCURRENCE, OCEAN MARINE, OTHER HEALTH, OTHER LIABILITY CLAIMS MADE, OTHER LIABILITY OCCURRENCE, PRODUCTS LIABILITY CLAIM-MADE, PRODUCTS LIABILITY OCCURRENCE, SURETY, TOTALS, WORKERS' COMPENSATION. A directly reported figure from the CA DOI filing.

Source: California DOI Market Share Report — https://www.insurance.ca.gov/01-consumers/120-company/08-res-data/market-share-reports.cfm
Falsifier: Verify in the CA DOI Market Share Report for NAIC 19445. Falsified if the CA DOI figure differs.

### NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH, PA.'s California direct loss ratio is 54.3%

**DERIVED.** The California direct loss ratio for NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH, PA. (NAIC 19445) is 54.3%. Computed as CA direct losses incurred divided by CA direct premiums earned, using figures from the CA DOI Market Share Report. The CA DOI publishes the component figures; Atlas Commons computes this ratio — it is NOT a CA DOI-published statistic. A loss ratio below 100% means the carrier paid out less in claims than it collected; above 100% means it paid more. Neither extreme is good or bad without market and product context.

Source: California DOI Market Share Report (Atlas Commons derivation) — https://www.insurance.ca.gov/01-consumers/120-company/08-res-data/market-share-reports.cfm
Falsifier: Reproduce it: divide CA direct losses incurred by CA direct premiums earned from the CA DOI Market Share Report for NAIC 19445. Falsified if the ratio differs. Note: this is not a CA DOI-published figure.

### What this carrier quality profile is — and is NOT — for NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH, PA. (the epistemic boundary)

**INTERPRETATION.** This profile contains REPORTED complaint figures (TX DOI / NAIC), a DERIVED complaints-per-1,000-policies rate (TX complaints only, material books only), a DERIVED California loss ratio, and CA DOI premium data. It is NOT a ranking, a recommendation, a safety certification, or advice. A higher complaints-per-1,000-policies rate means more TX-filed confirmed complaints per policy — a factual rate, not a verdict. Product mix, policyholder demographics, and reporting differences all affect this figure. Before purchasing, verify the carrier's license at your state Department of Insurance, not here. The Texas DOI (for TX-licensed carriers), CA DOI, and NAIC Consumer Insurance Search are the authoritative verification surfaces.

Source: Coverage Atlas framing (over the sources cited above) — https://coverage-atlas.ryanjhunter.workers.dev/coverage/carriers/19445
Falsifier: occurred=FALSE (a framing, not an event) and adjudged=FALSE (the atlas's reading, not a DOI verdict) — the LOWEST-warrant claim here. The complaint counts, rate, and CA figures above are sourced facts; this boundary note is interpretation.

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Every claim above carries a four-status warrant (RECORDED / MODELED / DERIVED / INTERPRETATION) and a named source you can re-fetch — this is a research object, not a flat fact. Structured: `https://coverage-atlas.ryanjhunter.workers.dev/coverage/carriers/19445.jsonld`

## Data

### NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH, PA. (NAIC 19445) — every quality indicator (typed)

Each figure with its four-status warrant and named source. RECORDED = a reported figure from the named authority. DERIVED = an Atlas Commons computation over those figures — not published by the source authority.

| indicator | value | warrant | source |
| --- | --- | --- | --- |
| Complaint data year | 2025 | RECORDED | TX DOI Complaint Data + NAIC complaint index + Treasury C570 (surety) |
| Confirmed complaints (latest year) | 5 | RECORDED | TX DOI Complaint Data + NAIC complaint index + Treasury C570 (surety) |
| Policies in force (latest year) | 481985 | RECORDED | TX DOI Complaint Data + NAIC complaint index + Treasury C570 (surety) |
| Complaints per 1,000 policies (latest year) | 0.0100 | DERIVED | TX DOI Complaint Data + NAIC complaint index + Treasury C570 (surety) (Atlas Commons derivation) |
| Treasury C570 surety certified | Yes | RECORDED | U.S. Treasury Circular 570 (certified surety companies) |
| CA direct premium written (USD) | 1317631982 | RECORDED | California DOI Market Share Report |
| CA direct loss ratio | 54.3% | DERIVED | California DOI Market Share Report (Atlas Commons derivation) |

### NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH, PA. — lines of insurance covered in complaint data (RECORDED)

Each line of insurance for which TX DOI / NAIC complaint data is available for this carrier.

| line_of_insurance |
| --- |
| Accident and Health |
| Automobile |
| Workers' Compensation |

### NATIONAL UNION FIRE INSURANCE COMPANY OF PITTSBURGH, PA. — lines written in California (RECORDED)

Lines of insurance this carrier writes in California, per CA DOI market-share reports.

| line_of_insurance |
| --- |
| AIRCRAFT |
| ALLIED LINES |
| BOILER & MACHINERY |
| BURGLARY & THEFT |
| COMMERCIAL AUTO LIABILITY |
| COMMERCIAL AUTO NO-FAULT |
| COMMERCIAL AUTO PHYSICAL DAMAGE |
| COMMERCIAL MULTIPLE PERIL (LIABILITY) |
| COMMERCIAL MULTIPLE PERIL (NON-LIABILITY) |
| EARTHQUAKE |
| EXCESS WORKERS' COMPENSATION |
| FIDELITY |
| FIRE |
| INLAND MARINE |
| MEDICAL PROFESSIONAL LIAB - OCCURRENCE |
| OCEAN MARINE |
| OTHER HEALTH |
| OTHER LIABILITY CLAIMS MADE |
| OTHER LIABILITY OCCURRENCE |
| PRODUCTS LIABILITY CLAIM-MADE |
| PRODUCTS LIABILITY OCCURRENCE |
| SURETY |
| TOTALS |
| WORKERS' COMPENSATION |