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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 92312Public Administration

Administration of Public Health Programs (U.S.) — NAICS 92312

An investor's primer for public- and private-market investors

Short rollup page. NAICS 92312 is a five-digit "industry" that contains exactly one six-digit child, 923120 — Administration of Public Health Programs. The two are effectively identical. This page gives the level's own definition and rollup figures and then points you to the full 923120 primer for the detailed treatment — the investable universe, how the money works, demand drivers, regulation, consolidation, risks, and how to invest.

1. Overview

The North American Industry Classification System (NAICS) is the U.S. government's standard for grouping the economy into industries. Code 92312 sits inside Sector 92 (Public Administration) and covers the government agencies that run public health — federal programs, state and territorial health departments, and the roughly 2,800 county and city health departments beneath them.[1][9][10] Their work is population-level, not patient-level: disease surveillance and outbreak response, immunization, restaurant and water inspections, vital records, environmental- and mental-health programs, and health statistics.[1]

The key point for an investor is the same one that governs the child code: this is a government function, not a company you can buy shares in. There is no publicly traded "public health department." But the sector spends real money — roughly $160 billion in 2023[4] — and buys almost everything from private vendors (IT systems, lab testing, vaccines, eligibility software, consulting, outsourced administration). The investable angle is that supplier ecosystem plus the adjacent Medicaid managed-care business. Full detail is in the 923120 primer.

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

A five-digit NAICS "industry" can split into several six-digit "national industries." This one does not. NAICS 92312 has a single child, 923120, with the identical title, so the industry and the national industry describe the same thing — there is no residual "other" bucket and no sibling code to aggregate.[1] The rollup is therefore a pass-through: every establishment, dollar, and worker in 92312 is also in 923120.

Because the two codes are one-to-one, this page does not repeat the child's full analysis. What's worth carrying up to this level:

  • Scope (what's in). Government establishments engaged in the planning, administration, and coordination of public health programs — environmental health, mental health, "categorical" (disease-specific) programs, health statistics, immunization services, public-health inspections, communicable-disease programs, and coroners' offices.[1]
  • Ownership mix. Almost entirely governmental, layered across federal (the Centers for Disease Control and Prevention, or CDC, plus parts of other Health and Human Services agencies), 59 state and territorial health agencies, and ~2,800 local health departments.[9][10]
  • What it excludes. Administering Medicaid, Medicare, or welfare is a different code (923130 — Administration of Human Resource Programs); delivering clinical care is 621/622; environmental-quality programs are 924110. A vendor's own primary activity — not its customer — sets its classification.[1] The 923120 primer has the full adjacent-code table.

3. Size — this level's rollup figures

The business-statistics undercount here is total, not partial — and it carries straight up to 92312. Our ground-truth federal statistics file for this five-digit industry contains no ingested metrics for NAICS 92312, and that absence mirrors a real gap: the standard federal business statistics an investor reaches for — the Economic Census, County Business Patterns, and the Small Business Administration figures behind Statistics of U.S. Businesses — exclude Public Administration and government establishments almost entirely.[2][3] The Bureau of Labor Statistics does not publish a separate wage line for this code; it folds these workers into "state government, excluding schools and hospitals" and "local government, excluding schools and hospitals."[7] So there are no Census/SBA business counts, payroll, or receipts figures at this NAICS level — a metric genuinely absent from the federal business data, not one we are suppressing, and not one distorted by small or individual ownership (the establishments here are governments). The figures below come from spending accounts, the Census of Governments, and the sector's own associations, and — because the child is the whole of this level — they equal the 923120 rollup.

  • Spending. Governmental public health activities totaled about $160 billion in 2023 — 3.3% of the nation's ~$4.87 trillion in health spending — per the Centers for Medicare & Medicaid Services (CMS) National Health Expenditure accounts, as summarized by KFF.[4] That was down from a COVID-era peak of over $240 billion in 2020 and up from a low of about $80 billion in 2013.[4] Federal public-health activity spending alone ran ~$13.3 billion in 2019, spiked to ~$139.3 billion in 2020, and settled to ~$92.0 billion by 2022 — the volatility that defines the sector.[5]
  • Federal grant flows. In fiscal 2023 the CDC obligated $14.9 billion to states and localities (62% regular budget, 38% time-limited COVID/infrastructure money).[6] Federal sources were the largest share of state health-department budgets (53% in FY2021).[6]
  • Workforce. Researchers estimate roughly 239,000 staff at state and local public health agencies in 2022, up from ~206,500 in 2019, though much of the rise was temporary pandemic hiring.[8] NACCHO separately counted ~182,000 workers at local health departments.[9]

4. Investable universe (where value concentrates)

Because 92312 is a single-child pass-through, its investable landscape is 923120's: there is no public company that is a public health agency, and exposure comes only through the vendors and adjacent payers that sell to these governments. The concentration is unchanged at this level — value clusters in a handful of large government-services contractors, health-IT integrators, and the state-funded Medicaid managed-care insurers. Representative listed names include Maximus (MMS) and Conduent (CNDT) in government business-process outsourcing; Leidos (LDOS), General Dynamics (GD), Booz Allen Hamilton (BAH), Accenture (ACN), and Palantir (PLTR) in health IT and analytics; the Medicaid "Big Five" — Centene (CNC), Elevance (ELV), Molina (MOH), UnitedHealth (UNH), CVS/Aetna (CVS); diagnostics labs Labcorp (LH) and Quest (DGX); and vaccine makers Pfizer (PFE), Merck (MRK), GSK (GSK), Sanofi (SNY), and Moderna (MRNA). For every name, public health is one diluted slice of a broader business — see the full table, plus the private-operator roll-up (Gainwell, Guidehouse, Merative, Public Consulting Group, Deloitte), in the 923120 primer, §4.

5. How the money works

Identical to the child. The agencies are budget-funded, not profit-seeking; their "economics" are about funding stability and mix — appropriations and (often categorical, program-locked) federal grants, plus fee revenue and growing third-party (Medicaid) reimbursement for billable services.[4][6] The vendors earn returns on multi-year government contracts, judged on the government-services standard set: backlog and book-to-bill, recompete win rate, contract structure (cost-plus, fixed-price, or transaction-based BPO), billable utilization, cash conversion, and margin.[20] The Medicaid managed-care names run insurance economics: per-member-per-month capitation, medical loss ratio, and enrollment. Full treatment in the 923120 primer, §5.

6. Demand drivers

Also unchanged at this level: outbreaks and emergencies (the event-driven surge that tripled spending during COVID-19);[4][5] chronic disease and behavioral health; childhood immunization (the federal Vaccines for Children program ran a ~$4.8 billion budget and distributed 74M+ pediatric doses in 2023);[14] an aging population; CDC-led data modernization that drives steady IT demand largely independent of the funding cycle;[16] and, above all, federal grant availability and politics — the appropriations cycle is the master demand switch.[6] Detail in the 923120 primer, §6.

7. Regulation

Public health in the U.S. is primarily a state power, not a federal one: states hold the "police powers" to quarantine, inspect, license, and mandate, while the federal government's leverage is money and standards, exercised largely through the CDC.[1] The practical consequences — structural fragmentation across ~2,800 local departments, health-data rules (the HIPAA Privacy Rule and 42 CFR Part 2), federal contracting rules (the Federal Acquisition Regulation), and live Medicaid policy catalysts such as the work-requirement implementation under Public Law 119-21 — are the same at 92312 as at 923120 and are detailed in the 923120 primer, §7.

8. Consolidation

No market competition exists among the agencies, but there is a live debate about centralizing or regionalizing the ~2,800-department patchwork.[8][9] Among the vendors, the supplier layer is consolidating — Gainwell's Medicaid-systems roll-up under Veritas Capital, Guidehouse's move to Bain Capital in a $5.3 billion deal, and Francisco Partners' assembly of Merative — which concentrates bidding power but also political risk when systems fail.[20][19][21] Full discussion in the 923120 primer, §8.

9. Risks

The risk set rolls up unchanged, led by political and budget volatility — in 2025 the federal government moved to claw back about $11.4 billion in pandemic-era grants (states won a preliminary injunction), announced ~10,000 HHS layoffs, and proposed a ~53% CDC budget cut for FY2026.[24][23] The rest of the ledger — boom-bust cycles, workforce fragility, rebid and insourcing risk, fixed-price execution risk, cybersecurity and privacy exposure, customer concentration, vendor execution/reputational risk, vaccine-policy shifts, and private-equity leverage — is enumerated in the 923120 primer, §9.

10. How to invest & outlook

There is no direct play at this level; build exposure through the supplier tiers as a basket, sizing for the fact that public health is a minority of each company's revenue, and examine government revenue mix, contract type, backlog, recompete schedule, customer concentration, grant-exposure, cash conversion, leverage, and cybersecurity controls.[22][23][24] Private-market routes reach the closest-in but privately held vendors (Gainwell, Guidehouse, Merative, Public Consulting Group, Deloitte) through private equity, private credit, and secondaries, plus municipal bonds that finance public-health capital.[20][19][21][22] The near-term outlook is federal retrenchment — proposed CDC cuts, the grant clawback, and HHS restructuring point to a smaller federal footprint and more reliance on uneven state and local budgets — offset where policy is expanding work (Medicaid work-requirement implementation).[17][24][23] The full how-to-invest checklist and outlook are in the 923120 primer, §10.

Because NAICS 92312 and 923120 are one-to-one, this rollup deliberately stays short. For the complete analysis — full company tables, the adjacent-code map, contract economics, and the source-by-source detail — see the 923120 primer.

Sources

Figures on this page are carried up from the child primer (923120), where each is cited in full. Key sources:

  1. U.S. Census Bureau. 2022 NAICS Manual — 923120 Administration of Public Health Programs (definition; single-child structure; adjacent-code boundaries). 2022. https://www.census.gov/naics/reference_files_tools/2022_NAICS_Manual.pdf
  2. U.S. Census Bureau. County Business Patterns Methodology (Public Administration / government coverage exclusions). 2026. https://www.census.gov/programs-surveys/cbp/technical-documentation/methodology.html
  3. U.S. Census Bureau. About Statistics of U.S. Businesses (coverage limits). 2026. https://www.census.gov/programs-surveys/susb/about.html
  4. KFF. Health Policy 101: U.S. Public Health — Public Health Funding (citing CMS National Health Expenditure Accounts): ~$160B in 2023, 3.3% of ~$4.87T; ~$240B 2020 peak; ~$80B 2013 low. 2024. https://www.kff.org/other-health/health-policy-101-u-s-public-health/
  5. Health Affairs. National Health Care Spending in 2022 (federal public-health activity: $13.3B 2019 / $139.3B 2020 / $92.0B 2022). 2023. https://www.healthaffairs.org/doi/10.1377/hlthaff.2023.01360
  6. KFF. CDC's Funding for State and Local Public Health: How Much and Where Does It Go? ($14.9B FY2023; 62/38 split; 53% federal share of state budgets FY2021). 2024. https://www.kff.org/other-health/cdcs-funding-for-state-and-local-public-health-how-much-and-where-does-it-go/
  7. CDC. Public Health Infrastructure Grant — State & Territory Funding Profiles; and BLS OEWS coverage note. 2024. https://www.cdc.gov/infrastructure-phig/php/funding-profiles/state-and-territories.html
  8. American Journal of Public Health (Leider et al.). Enumeration 2024: The Governmental Public Health Workforce (~239,000 in 2022, up from ~206,500 in 2019). 2025. https://ajph.aphapublications.org/doi/full/10.2105/AJPH.2024.307960
  9. NACCHO. National Profile of Local Health Departments (~2,800 LHDs; ~182,000 workers). 2020/2024. https://www.naccho.org/resources/lhd-research
  10. ASTHO. About Us (59 state/territorial chief health officials). 2024. https://www.astho.org/About/
  11. CDC. About the Vaccines for Children (VFC) Program (~$4.8B budget; 74M+ doses in 2023). 2024. https://www.cdc.gov/vaccines-for-children/about/index.html
  12. CDC. Data Modernization at CDC. 2026. https://www.cdc.gov/data-modernization/php/about/index.html
  13. CMS. CMS Launches Nationwide Framework to Implement Medicaid Work Requirements (Public Law 119-21). 2026. https://www.cms.gov/newsroom/press-releases/cms-launches-nationwide-framework-implement-medicaid-work-requirements
  14. Federal Acquisition Regulation. Part 16 — Types of Contracts. 2026. https://www.acquisition.gov/far/part-16
  15. Maximus, Inc. Form 10-Q (quarter ended Dec 31, 2025). 2026. https://www.sec.gov/Archives/edgar/data/1032220/000103222026000014/mms-20251231.htm
  16. Conduent. 2025 Annual Report (Form 10-K). 2026. https://www.sec.gov/Archives/edgar/data/1677703/000167770326000024/cndt-20251231.htm
  17. Leidos. Civilian Health (HHS, CMS, FDA, CDC). 2026. https://www.leidos.com/markets/health/civilian-health
  18. Georgetown University Center for Children and Families. Medicaid Managed Care: The Big Five in Q4 2024. 2025. https://ccf.georgetown.edu/2025/02/27/medicaid-managed-care-the-big-five-in-q4-2024/
  19. Guidehouse. Guidehouse Completes Transaction with Bain Capital ($5.3B). 2023. https://guidehouse.com/news/corporate-news/2023/guidehouse-completes-transaction-with-bain-capital
  20. Gainwell Technologies. Our History (Veritas Capital; DXC divestiture 2020). 2026. https://www.gainwelltechnologies.com/our-history/
  21. Francisco Partners. Completes Acquisition of IBM's Healthcare Data and Analytics Assets; Launches Merative. 2022. https://www.franciscopartners.com/media/Merative
  22. Public Consulting Group. About PCG. 2026. https://publicconsultinggroup.com/about/
  23. Fierce Healthcare / NBC News. States Win Injunction Against HHS' $11B Clawback of COVID-19, Public Health Grants. 2025. https://www.fiercehealthcare.com/regulatory/cdc-doge-claws-back-covid-19-grants-headed-states
  24. Trust for America's Health. Public Health Infrastructure in Crisis: HHS Workforce Cuts, Reorganizations, and Funding Reductions (proposed ~53% CDC cut; ~10,000 HHS layoffs). 2025. https://www.tfah.org/report-details/funding-report-2025/
  25. Healthcare Dive. Senate Finance Committee Probes Medicaid Contractors Over Faulty Systems (Deloitte, Gainwell). 2025. https://www.healthcaredive.com/news/senate-finance-probes-medicaid-contractors-deloitte-gainwell/