NAIC Listing of Companies CSV, Delivered Whole

In Datadory's catalog this shelf sits inside NAIC Resource Center - Regulatory Data & Publications, scored 8 out of 10 on our rubric and holding 164 publication files spanning rankings, ratio screens, profitability tables and the directory this page is about.

One row per insurer - legal name, domicile, group rollup, federal tax identity and mailing address in a single record:

# Listing of Companies - one row per insurer         edition : LOC-JUN-2026
COMPANY NAME      : 1842 INS CO
STATE OF DOMICILE : MD
GROUP CODE        : 447              COMPANY CODE : 16862
FEIN NUMBER       : 84-4224428       COMPANY STATUS : 1
ADDRESS           : 200 NORTH MAIN STREET
CITY / STATE / ZIP: BEL AIR, MD 21014-3544
PHONE             : 443-838-4000

Because display names change constantly and codes persist. Identity runs on three regulator-assigned keys. GROUP CODE rolls a writing company up to its ultimate insurance group - the exact unit the Market Share Reports rank on, so a single directory row extends outward into a full corporate tree spanning many filing subsidiaries. COMPANY CODE is the NAIC identifier that joins to every other NAIC product, which makes it the natural primary key for any master table you keep. FEIN NUMBER bridges out to tax-format business registries no insurance register carries on its own.

Geography - the complete US regulatory map: fifty states, the District of Columbia and five territories, 56 supervisory jurisdictions in all, with the offshore extension layered on top. About 17,000 alien insurers and reinsurers appear in the same tables as the 5,000-odd domestic carriers, which is why offshore coverage is this directory's quiet advantage.

Temporal - snapshots arrive under explicit edition names rather than silently overwriting: LOC-DEC-2025 and LOC-JUN-2026 stand in the catalog today. Date -stamp anything you derive, because carrier populations move between editions and an unstamped count ages badly.

Granularity - one row per legal entity, resolvable up to group and out to federal tax identity. The neighboring families on the same shelf cut differently: rankings aggregate one cell per group per state per line, and profitability runs one observation per line per state. Pick the axis your question lives on; one delivery carries all three.

• Account and territory universes - count admitted insurers by domicile and status before choosing a home state or sizing a sales map; worked examples in market sizing.
• Market-entry and exit tracking - compare consecutive editions on company code to log new entrants, withdrawals, mergers and redomiciliations as a running history; see competitor tracking.
• Reinsurance and fronting research - work the 17,000-entity offshore block for capacity, fronting arrangements and program structure that domestic-only lists never show.
• Entity resolution and counterparty screening - match watchlists, vendor files and CRM exports onto the authorized universe via group, company and FEIN keys; see citation-grade research.
• Solvency-aware benchmarking - hang IRIS ratio context and state-line profit economics off each rival before a book of business changes hands.
• Labeled training data - a complete, coded universe of authorized entities is the substrate for classification and matching models.

Ranked by how directly the file answers their day job:

An entity list earns its keep once something hangs off it. Ranked by how directly each neighbor turns the directory into an analysis:

1. Market Share Reports (MSR-PB, MSR-LB, MSR-AH) - the rankings aggregate on exactly the GROUP CODE the directory carries, so joining them converts who exists into who leads, top 10 groups by state and top 125 countrywide per line on the 2024 data year.
2. IRIS Ratios and Profitability by Line by State - the strength screen and the margin view, both cut per line and per jurisdiction, attached to entities already resolved.
3. Capital Markets Bureau special reports - what the industry does with the premium: $9.6 trillion in insurer invested assets at year-end 2025, reported monthly with an archive reaching back to 2016.
4. Statutory statements themselves - NAIC Insurance Data and Regulatory Tools reaches annual and quarterly filings up to ten years back across more than 4,800 filers, keyed to the same company codes.
5. Cross-country context - World Bank World Development Indicators - Insurance & Financial Sector covers twelve insurance-named series for 217 economies back to 1960, and the trade-offs are written up at World Bank WDI vs NAIC Resource Center. For the European layer, EU Open Data Portal Advanced Search indexes 2,979 insurance-matched records among nearly two million.

Four notes that separate the teams whose numbers hold up from the ones rediscovering these edges mid-project.

None of this blocks the work - it just decides whether your universe stays clean after month one.

API, files, or your warehouse. Daily, weekly, or hourly.

Because the quirks live in the typing, and typing happens upstream of you here. Edition stamps differ by family, offshore rows run thinner than domestic ones, and identifier semantics are easy to get subtly wrong on a first pass. Delivered, those are settled facts: typed tables keyed on company and group code, field dictionaries traveling beside the rows, each family stamped with its own edition.

Start with a sample: name the states, the lines of business and the peer groups, and the extract arrives shaped identically to the standing feed, so anything prototyped on it survives into production unchanged. Field-level detail sits on the NAIC resource center dataset page, and you can get a sample before anything else gets decided.

The wider picture: the multi-line insurance data guide maps all 10 pooled datasets, the ranking lives at best multi-line insurance datasets, and the pooled view sits at the multi-line insurance hub. For vocabulary, start at market share reports and statutory filings.