Histometrics

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Industry Primers

Bottom-up NAICS industry primers written for both public-market and private investors. Leaf industries are researched from the ground up; every group, subsector, and sector above them reads as a contrast across the industries beneath it.

2122 industries · 24 sectors · NAICS 2022

Researched with AI assistance from official U.S. statistics and independent sources, with citations on every page. Figures are not individually verified against pinned evidence — primers marked Evidence-verified are. Industry research, not investment advice. Methodology.

IndustryNAICS 52211Finance and Insurance

Commercial Banking (NAICS 52211)

A Histometrics industry primer for public- and private-market investors

1. Overview

Commercial banking is the business of taking in deposits and lending them back out at a higher rate — the gap between the two is where most of the profit lives. It is the plumbing of the U.S. economy: these are the institutions that hold the checking accounts, business loans, mortgages, and credit lines that households and companies use every day. When people say "the banking system," they mostly mean this.

NAICS 52211 is a NAICS industry (a five-digit code in the North American Industry Classification System, the federal scheme for grouping businesses). It sits one level above the six-digit national industry codes. In this case the level has only one child — 522110, Commercial Banking — so 52211 and 522110 describe exactly the same set of businesses. This page is deliberately short: it states the level's own federal figures and then points you to the child primer for the full treatment of how banks make money, who owns them, how they are regulated, and how to invest.

2. What's inside — and why this level equals its one child

A five-digit NAICS industry can contain several six-digit national industries. Commercial Banking is a single-child case: 52211 rolls up to just one code, 522110, with no siblings. There is nothing in 52211 that is not in 522110, and nothing in 522110 that is left out of 52211. The two are, for every practical purpose, the same industry at two labels.

Federally, 522110 covers establishments "primarily engaged in accepting demand and other deposits and making commercial, industrial, and consumer loans" — commercial banks and U.S. branches of foreign banks [4]. It deliberately excludes the central bank (the Federal Reserve's own operations, NAICS 521110), savings institutions and thrifts (522180), credit unions (522130), credit-card banks (522210), and trust/custody activities (523991), among others [4]. Those boundaries matter because the largest listed "banks" — JPMorgan Chase, Bank of America, Citigroup — are holding companies that own a 522110 commercial bank plus large securities, card, and wealth arms. When you buy the stock you buy the whole holding company, not just the 522110 slice [16].

For everything below the surface — economics, the investable roster, regulation, consolidation, and risks — see the child primer, [522110 Commercial Banking].

3. How big it is (this level's rollup)

Because 52211 equals 522110, the federal statistics for the two are identical. Our ground-truth figures for this level:

  • Establishments: 82,989 (2023) [1]. This counts branches and offices, not banks — the roughly 3,900 actual banking companies each run many locations.
  • Employment: 1,630,919 people (2023) [1].
  • Annual payroll: $174.9 billion (2023); first-quarter payroll $61.0 billion [1].
  • Firms: 4,021 (2022 Economic Census) [2].
  • Receipts: $591.1 billion (2022 Economic Census) [2].
  • Concentration (national receipts basis): top 4 firms 25.5%, top 8 36.2%, top 20 50.7%, top 50 65.7%, with a Herfindahl-Hirschman Index (HHI, a standard concentration score) of just 241.9 [2] — statistically "unconcentrated."

The measurement caveat — read this before quoting "receipts." For banking, the Census "receipts" figure understates the industry's economic weight, because a bank's scale is measured by its balance sheet, not its sales. The right yardstick is total assets and deposits, which the business census does not collect (nor does our ground-truth file for this level). By the Federal Deposit Insurance Corporation's (FDIC) count, insured institutions held about $25.3 trillion in total assets at the end of 2025 [11] — roughly 43 times the census receipts number. This is the opposite of the usual undercount problem: federal data does not miss small operators here (banks are large and well-measured); it is the revenue concept that misfits. Use assets, deposits, and net interest income — not receipts — to size a bank industry. County Business Patterns also excludes nonemployers, but for banking that omission is immaterial.

A second caveat on concentration: the national HHI of 241.9 looks benign, but bank competition is regulated at the local market level, and measured by assets rather than receipts the four largest banking companies control a large share of all system assets [8][9]. See the child primer for detail.

4. Where value concentrates

With a single child, there is no "which sub-industry wins" question — all of the value sits in 522110. Within it, value concentrates at the top of the size ladder: a handful of "universal" banks and large regionals hold most of the assets, while thousands of small community banks (most under $10 billion in assets) are privately held and serve one town or region. The public opportunity set is one of the deepest of any industry — JPMorgan Chase (JPM), Bank of America (BAC), Wells Fargo (WFC), and Citigroup (C) at the top, then super-regionals such as U.S. Bancorp (USB), PNC Financial (PNC), and Truist (TFC), down through dozens of listed regionals. But by count most of the roughly 3,900 U.S. commercial banks are privately held and not investable through a stock exchange [7]. The full ranked roster, tickers, and private examples are in the child primer, [522110 Commercial Banking].

5. How the money works

A bank's economics run on lending-specific metrics, not the sales-and-margin math of a normal company. In brief:

  • Net interest income and net interest margin (NIM) — interest earned on loans and securities minus interest paid on deposits and borrowings, expressed as a percentage of average earning assets. The industry NIM was 3.39% in Q4 2025, its highest since 2019 [5].
  • Deposit funding — cheap, sticky deposits are a bank's most valuable raw material and the thing acquirers pay up for.
  • Fee (non-interest) income — cards, wealth management, and service charges that diversify a bank away from pure rate risk.
  • Credit costs — provisions and net charge-offs; the charge-off rate was a low 0.63% in Q4 2025 [6], but this is the swing factor that can wipe out earnings in a recession.
  • Profitability — return on assets (ROA) and return on equity (ROE); the industry earned an ROA of 1.20% for full-year 2025 [5], and roughly 10x leverage turns that into double-digit ROE. Banks reported $295.6 billion of net income in 2025 [5].

The child primer walks through each metric, plus book value and regulatory capital, in full.

6. Demand drivers

The same forces move all of 522110: interest rates and the yield curve (the biggest lever — the Federal Reserve cut three times in late 2025 to a roughly 3.50%–3.75% federal funds rate [14]); loan demand and the credit cycle (industry loans grew 5.9% in 2025 [5]); deposit growth; economic growth and employment (banks are a geared play on GDP); housing and commercial real estate activity; and steadier payments and treasury services fee income. See the child primer for the current lending-survey detail.

7. Regulation

Banking is among the most heavily supervised industries in the country. The Office of the Comptroller of the Currency (OCC) charters national banks; the Federal Reserve supervises holding companies and sets monetary policy; the FDIC insures deposits (up to $250,000 per depositor, per bank, per ownership category) and resolves failures [16]; state banking departments oversee state charters; and the Consumer Financial Protection Bureau (CFPB) supervises consumer-lending compliance at banks above $10 billion in assets [17]. Key frameworks include the post-2008 Dodd-Frank Act, Basel III capital and liquidity standards, the Bank Secrecy Act / anti-money-laundering regime, and the Community Reinvestment Act. The unfinished "Basel III endgame" capital rules were re-proposed in March 2026 in a lighter form than the 2023 version [12]. The child primer covers the capital stack and rule changes in detail.

8. Consolidation

The defining structural trend is long-run consolidation: the number of U.S. commercial banks has fallen from over 8,000 around 2000 to roughly 3,900 today [7], as small banks merge to spread rising technology and compliance costs — fewer, bigger banks even as system deposits climb into the tens of trillions. The marquee 2025 deal was Capital One's roughly $35 billion acquisition of Discover, completed in May 2025 [10]. Expect more regional-bank mergers, with Community Reinvestment Act performance and supervisory approval as gating factors.

9. Risks

The main hazards apply to the whole level: interest-rate risk (the mismatch that sank Silicon Valley Bank in 2023; the industry still carried $306 billion of unrealized securities losses at end-2025 [6][13]); deposit runs, which can now happen in hours; credit risk, especially commercial real estate, concentrated in mid-sized regionals [13]; operational and cyber risk; regulatory and political risk; cyclicality; and competitive erosion from fintechs and private credit. Private investors face the added burdens of illiquidity, limited disclosure, and the need for regulatory approval to buy or sell a controlling stake. Full detail is in the child primer.

10. How to invest and the outlook

Because 52211 is 522110, the how-to-invest playbook is the same. Public routes: individual bank stocks (megabanks for scale and diversified fees, regionals for more leverage to the local credit cycle), bank preferred stock and subordinated debt for income, and ETFs (exchange-traded funds — baskets that trade like a single share) such as the Invesco KBW Bank ETF (KBWB) and the SPDR S&P Regional Banking ETF (KRE) for diversified exposure [15]. Private routes: community-bank equity, private placements, bank acquisitions, and — increasingly — private credit that competes directly with banks by making the loans they are pulling back from.

The outlook entering 2026 is constructive but not without hazards: margins near multi-year highs, still-strong credit quality, and a softer capital re-proposal that could mean bigger buybacks — offset by commercial-real-estate losses concentrated in regionals and the ever-present danger of a rate or confidence shock [5][6][12][13][14]. The best investments are chosen as deposit-and-credit franchises — sticky funding, conservative underwriting, diversified fees, and spare capital — not merely as high-yielding financial stocks.

For the complete, worked treatment of all of the above, see the child primer: [522110 Commercial Banking].

Sources

(Drawn from the child primer, [522110 Commercial Banking]. NAICS 52211 and 522110 share the same underlying data.)

  1. U.S. Census Bureau, County Business Patterns: 2023, NAICS 522110 (establishments, employment, payroll). https://www.census.gov/data/datasets/2023/econ/cbp/2023-cbp.html
  2. U.S. Census Bureau, 2022 Economic Census — Concentration of Largest Firms for the United States, NAICS 522110 (firms, receipts, CR4/CR8/CR20/CR50, HHI). https://data.census.gov/table/ECNSIZE2022.EC2200SIZECONCEN?g=010XX00US
  3. U.S. Census Bureau, 2022 North American Industry Classification System Manual — 522110 Commercial Banking (definition and exclusions). https://www.census.gov/naics/reference_files_tools/2022_NAICS_Manual.pdf
  4. FDIC, "FDIC-Insured Institutions Reported Net Income of $77.7 Billion in Fourth Quarter 2025" (ROA, NIM, net income, loan growth), press release, 2026. https://www.fdic.gov/news/press-releases/2026/
  5. FDIC, Quarterly Banking Profile — Fourth Quarter 2025 (charge-offs, unrealized losses, deposit growth, Deposit Insurance Fund). https://www.fdic.gov/news/speeches/2026/
  6. FDIC / Statista, "Number of FDIC-insured U.S. commercial banks," and FDIC Q3 2025 Quarterly Banking Profile (bank-count decline, mergers). https://www.statista.com/statistics/184536/number-of-fdic-insured-us-commercial-bank-institutions/
  7. MX Technologies (FDIC data as of March 31, 2025), "Largest U.S. Banks by Asset Size (2025)." https://www.mx.com/blog/biggest-banks-by-asset-size-united-states/
  8. S&P Global Market Intelligence, "50 largest US banks by total assets, Q4 2025," 2026. https://www.spglobal.com/market-intelligence/en/news-insights/articles/2026/
  9. LegalClarity, "The Biggest Regional Banks in the United States" (Capital One–Discover acquisition, May 2025). https://legalclarity.org/the-biggest-regional-banks-in-the-united-states/
  10. FDIC, Quarterly Banking Profile data tables, Q4 2025 (total industry assets ≈ $25.3 trillion). https://www.fdic.gov/quarterly-banking-profile/
  11. Federal Reserve Board / OCC / FDIC, "Agencies request comment on proposals to modernize the regulatory capital framework" (Basel III endgame re-proposal), March 19, 2026. https://www.federalreserve.gov/newsevents/pressreleases/bcreg20260319a.htm
  12. FDIC, 2025 Risk Review, and Congressional Research Service, "Commercial Real Estate and the Banking Sector," 2025. https://www.fdic.gov/analysis/2025-risk-review.pdf
  13. Congressional Research Service, "Federal Reserve Cuts Interest Rates in Late 2025" (federal funds rate 3.50%–3.75%), 2025. https://www.congress.gov/crs-product/IN12635
  14. Invesco, "KBW Bank ETF (KBWB)," and State Street Global Advisors, "SPDR S&P Regional Banking ETF (KRE)," 2025. https://etfdb.com/etf/KBWB/
  15. Federal Financial Institutions Examination Council, Institution Types and Large Holding Companies (BHC structure and universe). https://www.ffiec.gov/npw/Help/InstitutionTypes
  16. FDIC, Deposit Insurance FAQs ($250,000 limit; investment products not insured), 2023. https://www.fdic.gov/resources/deposit-insurance/faq
  17. Consumer Financial Protection Bureau, Institutions Subject to CFPB Supervisory Authority (banks above $10 billion), 2026. https://www.consumerfinance.gov/compliance/supervision-examinations/institutions/