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.

SubsectorNAICS 922Public Administration

Justice, Public Order, and Safety Activities (U.S.) — NAICS 922

An investor's primer at the subsector (3-digit) level. Plain-language and dual-audience — relevant to both public-market and private investors. This subsector contains a single child industry group, 9221, so this page is deliberately short: it explains why the two levels are the same, gives this level's own ground-truth figures, and points you to the 9221 primer for the full company-by-company detail.

1. Overview

North American Industry Classification System (NAICS — the U.S. government's standard code for industries) subsector 922 — Justice, Public Order, and Safety Activities is the part of the economy that runs the American justice and public-safety system: courts, police, prosecutors and public defenders, prisons and jails, probation and parole, fire departments, and emergency management.[1] It sits inside Sector 92, Public Administration — the government part of the economy.

The single most important fact for an investor is unchanged from the level below: this is government, not a market. These are tax-funded public functions with no share price, no profit margin, and no dividend. The only exception — the contracted-out slice of incarceration and community supervision — is where a listed operator model exists. Everything else is owned only indirectly, through the private supply chain that equips, software-enables, builds, and finances these functions.

2. What's inside — and why 922 equals its one child

NAICS 922 has exactly one child industry group: 9221 — Justice, Public Order, and Safety Activities. The subsector code and the industry-group code cover the identical scope; 922 is a pure roll-up of 9221 with nothing added. All of the real analytical variety sits inside 9221, which splits into seven five-digit functions — courts (92211), police protection (92212), legal counsel and prosecution (92213), correctional institutions (92214), parole and probation (92215), fire protection (92216), and other justice and safety (92219).

Because 922 and 9221 are the same thing, this page does not repeat that seven-way breakdown. The one investor takeaway worth carrying up to this level: the group is lopsided. Six of the seven functions are pure cost centers you can only own through vendors; only corrections and community supervision offer something close to owning the function itself, through for-profit operators paid a per diem (a daily rate per person confined or supervised). For the full comparison — sizes, direction of travel, and the investable handle for each function — read the 9221 primer.

3. Size (this level's rollup figures, with caveat)

Our ground-truth data. Histometrics' ingested federal statistics contain no stat_metrics entries for NAICS 922 — no revenue, employment, establishment, or market-size figure at this level.[1] We report none of our own and never state a suppressed value as real. Every figure below is a cited external benchmark, labeled as such, and — because 922 equals 9221 — these are the same roll-up totals reported in the child primer.

That absence is expected, not a gap. It is a structural undercount that runs to zero: the Census Bureau's business programs — the Economic Census, County Business Patterns (CBP), and Statistics of U.S. Businesses (SUSB) — are built to count private employers and explicitly exclude Sector 92, Public Administration, and government-operated establishments.[2] Because 922 is overwhelmingly government (and, in the fire service, largely staffed by unpaid volunteers), the usual "number of firms / receipts / small-business share" figures simply do not exist. The footprint shows up only in government-finance, justice, and labor statistics.

Read against those alternative sources, 922 is a roughly trillion-dollar-a-year public enterprise employing several million people:

  • Public spending (rough, mixed-source): police ~$135B (state & local, 2021)[3]; public corrections ~$115.8B including prisons, jails, and community supervision[5]; fire protection ~$79.2B (2024)[4]; state & local "judicial and legal" (courts + prosecution + defense combined) ~$52B[3]; federal judiciary ~$8.6B[6]. Total U.S. justice-system spending was about $305B in 2017 and has grown since.[3]
  • People confined or supervised: ~1.9 million in prisons and jails on a given day[5]; ~3.68 million more under probation or parole in the community[7].
  • Workforce (illustrative, non-additive across surveys): ~1.0–1.2 million state and local law-enforcement personnel; ~1.0–1.05 million firefighters (about 65% volunteer)[8]; ~387,500 correctional officers and jailers.

Undercount caveat. Standard business statistics don't merely undercount 922 — by design, they don't cover it at all.[2] Two consequences for investors: (1) any "market size" you see for these codes is really a government-spending figure, not vendor revenue you can earn on; and (2) the headcounts above come from different surveys with different scopes and cannot be added together.

4. Investable universe — where value concentrates

Because the functions themselves are unownable, value concentrates in two pools — the same two described in full in the 9221 primer:

  • Pool 1 — Vendors and financiers that sell around the functions. Most listed exposure lives here, led by the diversified govtech and public-safety software names that recur across courts, police, prosecution, and emergency management — Tyler Technologies, Axon Enterprise, and Motorola Solutions — plus legal-information providers, digital-evidence and forensics tools, the fire-apparatus and life-safety supply chain, and litigation finance.[9][10][11]
  • Pool 2 — The contracted-out slice of incarceration and supervision. The only pool where you can own something close to the government function itself, through two listed operators — CoreCivic (NYSE: CXW) and The GEO Group (NYSE: GEO) — which together control over 70% of U.S. private-prison and detention beds.[12][13]

The discipline that applies to every name: segment revenue is not this-code revenue. Each listed company sells well beyond justice and public safety, so none is a proxy for the subsector; own them for business quality, not as a bet on "the industry."

5. How the money works

Two engines run under 922, and which one you're looking at depends on which function inside 9221. The public-finance engine funds all seven functions through appropriations — mostly local property and sales taxes plus intergovernmental transfers and federal grants — and is measured by clearance rates, response times, caseloads, and cost per outcome, not margins; spending is politically sticky and defensive across the cycle. The vendor / operator engine, where investors actually earn, takes three forms: recurring govtech software (sticky, subscription, scales with data), capital goods and services (long-cycle fire apparatus plus a code-mandated inspection annuity), and per-diem operations (the private-prison and monitoring model, where revenue is people × daily rate × days and occupancy is everything). A recurring subtlety: more activity does not automatically mean more vendor revenue — the money follows contracts and appropriations, not headlines.

6. Demand drivers

Across the subsector, demand is set by policy, law, and budgets — not by consumers or the business cycle. The master driver everywhere is government budgets and grants. The strongest structural tailwind group-wide is technology modernization — e-filing and cloud in courts, digital evidence in policing and prosecution, Next Generation 911 and mass notification in emergency management, monitoring tech in probation — as dollars migrate from headcount toward software. The sharpest current swing factor is immigration enforcement: the One Big Beautiful Bill Act (OBBBA) made roughly $45B available for detention capacity through FY2029, a powerful near-term engine for the private operators even as domestic incarceration keeps declining.[14] Disaster frequency and climate, and an aging population turning the fire service into a majority-EMS operation, round out the rising-demand functions.

7. Regulation

922 is unusual because the industry is the government — several of its functions are themselves regulators (courts, police, fire-code enforcement). "Regulation" here means two things: the constitutional and statutory framework governing the functions (separation of powers, the Fourth and Sixth Amendments, PREA and ICE detention standards, the Stafford Act, NFPA and ICC fire codes), and the procurement and security rules governing the vendors (the FBI's Criminal Justice Information Services (CJIS) Security Policy, FedRAMP/StateRAMP, FISMA, and the Federal Acquisition Regulation), which favor certified incumbents. The one place regulation directly creates or destroys investable value is corrections, where federal contracting policy flips with the presidency — making the private operators uniquely policy-exposed.

8. Consolidation

The pattern is consistent and worth stating as a rule: the government side is fragmented by design and does not consolidate; the private side around it consolidates hard. Government is deliberately decentralized (~18,000 law-enforcement agencies, ~50 state court and corrections systems, thousands of counties and fire districts), which makes selling slow but each installed vendor base sticky. Vendors are consolidating across every function — a courts/public-safety software oligopoly led by Tyler, a legal-information duopoly, a fire-apparatus oligopoly, and private-equity roll-ups and take-privates. The operators are the most concentrated of all: GEO and CoreCivic together hold over 70% of private beds.[12]

9. Risks

The risks are the same ones detailed in the 9221 primer, carried up to this level:

  • No direct vehicle for six of seven functions — you own the supply chain, not the industry.
  • Budget, appropriations, and procurement risk — everything downstream depends on government money moving through slow, lumpy, protest-prone cycles; emergency management is additionally exposed to FEMA's uncertain federal future.
  • Policy and political reversal — bail, sentencing, and above all immigration-enforcement policy can reshape whole sub-markets; the private operators could see capacity stranded by a single executive order or funding cut.
  • Customer concentration, cybersecurity, and civil-liberties backlash — a handful of federal agencies drive the operators; court, 911, and criminal-justice data are prime attack targets; cameras, facial recognition, and monitoring face growing restriction.
  • Litigation, valuation, and leverage — deaths in custody for the operators, PFAS/"forever chemical" liability in fire; the clearest govtech names trade at rich multiples, and the operators carry heavy debt and ESG-screen exclusion.
  • Data/measurement risk — there is no clean public revenue denominator for these codes; company revenue is not industry revenue, and headcounts across surveys are not comparable.

10. How to invest, and the outlook

How to invest depends on which of the two pools you want. The diversified, defensive route is the recurring-revenue govtech and public-safety vendors that span multiple functions — Tyler, Axon, and Motorola Solutions as the broadest proxies — supplemented by legal-information, the fire supply chain, and litigation finance; none is a pure play, so own them for business quality and government-budget durability. The direct, higher-beta route is the corrections and detention operators, CoreCivic and GEO, the only near-pure-plays in the group — underwrite the contract, not the headline population trend. Private and fixed-income routes run through private-equity-backed govtech and fire-service platforms, private operators and sale-leaseback facility real estate, and municipal/fire-district bonds.

Outlook (forward-looking judgment, not established fact). Justice, public order, and safety should remain a durable, low-cyclicality, tax-funded market, best held through diversified, mission-critical, recurring-revenue vendors whose backlog gives visibility even when a single government budget wobbles. The strongest structural tailwind is the multi-year digitization, security-hardening, and NG911/cloud modernization of the justice apparatus, which favors incumbents with the largest installed base. The sharpest near-term catalyst — and risk — is immigration-enforcement policy: the OBBBA detention money set to flow through FY2029 is a powerful tailwind for the two operators, but their fortunes hinge on federal enforcement posture holding — a policy bet, not a settled fact.

For the complete function-by-function analysis, read the child primer: 9221 — Justice, Public Order, and Safety Activities, and beneath it the seven leaf primers (92211 Courts, 92212 Police Protection, 92213 Legal Counsel and Prosecution, 92214 Correctional Institutions, 92215 Parole and Probation Offices, 92216 Fire Protection, and 92219 Other Justice, Public Order, and Safety Activities).

Sources

This subsector equals its one child (9221); sources are drawn from the 9221 primer and renumbered. Full source detail lives in the child primers.

  1. Histometrics ingested federal statistics — no stat_metrics entries exist for NAICS 922; every figure on this page is a cited external benchmark. (Internal ground-truth check, stats-922.md.)
  2. U.S. Census Bureau, "2022 NAICS — Subsector 922 / Industry Group 9221 / Sector 92 Public Administration" (structure and definitions). https://www.census.gov/naics/?input=922&year=2022
  3. U.S. Census Bureau, business-program scope — County Business Patterns, Economic Census, and Statistics of U.S. Businesses exclude Sector 92 (Public Administration) and government establishments. https://www.census.gov/programs-surveys/cbp/technical-documentation/methodology.html
  4. Urban Institute, "Criminal Justice Expenditures: Police, Corrections, and Courts" (state/local police ~$135B, 2021; judicial-and-legal ~$52B; total justice spending ~$305B in 2017), 2024. https://www.urban.org/policy-centers/cross-center-initiatives/state-and-local-finance-initiative/state-and-local-backgrounders/criminal-justice-police-corrections-courts-expenditures
  5. U.S. Bureau of Economic Analysis, "Government current expenditures: State and local: Public order and safety: Fire" (~$79.2B, 2024), via FRED series G160861A027NBEA. https://fred.stlouisfed.org/series/G160861A027NBEA
  6. Prison Policy Initiative, "Following the Money of Mass Incarceration 2026" (public corrections ~$115.8B) and "Mass Incarceration: The Whole Pie 2025" (~1.9M confined). https://www.prisonpolicy.org/reports/money2026.html
  7. Congressional Research Service, "Judiciary Appropriations, FY2024" (R48077) and Administrative Office of the U.S. Courts (federal judiciary ~$8.6B enacted), 2024. https://www.congress.gov/crs-product/R48077
  8. Bureau of Justice Statistics, "Probation and Parole in the United States, 2024" (3,681,900 under supervision; ~24% decline 2014–2024), 2026. https://bjs.ojp.gov/document/ppus24.pdf
  9. National Fire Protection Association, "U.S. Fire Department Profile" (~1.0–1.05M firefighters; ~65% volunteer). https://www.nfpa.org/education-and-research/research/nfpa-research/fire-statistical-reports/us-fire-department-profile
  10. Axon Enterprise, Inc., "Axon 2024 revenue grows 33% to $2.1 billion," 2025. https://investor.axon.com/
  11. Motorola Solutions, Inc., "Fourth-Quarter and Full-Year 2024 Financial Results" (net sales ~$10.3–10.8B; backlog ~$14.7B). https://www.motorolasolutions.com/newsroom/
  12. Tyler Technologies, Inc., FY2024 Annual Report / earnings (annual recurring revenue ~$2.07B; courts & justice, public safety). https://www.tylertech.com/
  13. Bureau of Justice Statistics, "Prisoners in 2023 – Statistical Tables," 2025; LegalClarity, "Who Owns Private Prisons" (GEO + CoreCivic >70% of private beds), 2025. https://bjs.ojp.gov/library/publications/prisoners-2023-statistical-tables
  14. CoreCivic, "Q4/Full-Year 2025 Results" (~$2.2B revenue), and The GEO Group, "Full-Year 2025 Results" (~$2.63B revenue; BI/ISAP), 2026. https://ir.corecivic.com/; https://investors.geogroup.com/
  15. American Immigration Council, "Immigration Challenges in Implementing the One Big Beautiful Bill" (~$45B ICE detention capacity; FY2025–2029), 2025. https://www.americanimmigrationcouncil.org/blog/immigration-challenges-implementing-the-one-big-beautiful-bill/