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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 92612Public Administration

Regulation and Administration of Transportation Programs (NAICS 92612): An Investor's Primer

1. Overview

This is the government machinery that licenses, plans, inspects, and polices how Americans and their goods move — by road, air, rail, water, and pipeline. It is the Department of Motor Vehicles (DMV) that issues your license, the Federal Aviation Administration (FAA) inspectors who certify aircraft, the safety boards that investigate a derailment, and the state transportation departments (DOTs) that decide which bridge gets rebuilt. Under the North American Industry Classification System (NAICS) — the 2022 classification the U.S. Census Bureau uses to sort establishments — this is industry 92612, Regulation and Administration of Transportation Programs. [1]

The key point for an investor: this is a public-administration category, not a for-profit industry. Almost everyone in it is a government employee, and no publicly traded company has "regulating transportation" as its core business. You do not invest in this industry — you invest in the private firms that live under its rules and feed off its budgets. [1]

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

NAICS 92612 contains exactly one child industry, 926120 (Regulation and Administration of Transportation Programs) — the same name, the same definition, the same activities. At this five-digit level the industry and its single six-digit national industry are effectively identical: everything true of 926120 is true of 92612. This page is therefore a short rollup. For the full treatment — the investable universe, how the money works, demand drivers, regulation, consolidation, and risks — read the child primer, 926120. [1]

In brief, the code covers government establishments "primarily engaged in the administration, regulation, licensing, planning, inspection, and investigation of transportation services and facilities": state DMVs, the U.S. Coast Guard (except its academy), the FAA (except its air-traffic-control operations), motor-carrier licensing offices, the National Transportation Safety Board (NTSB), and non-operating port, transit, and parking authorities. It deliberately excludes the profit-making parts — operating airports, railroads, toll roads, and transit (Sector 48–49), building roads and bridges (NAICS 237310), and providing air-traffic-control services (NAICS 488111). The regulator that certifies a runway sits in 92612; the contractor that paves it and the airline that lands on it sit elsewhere. [1]

3. How big it is

We have no ingested federal business statistics for this node, which is exactly what you would expect: standard "business" datasets — the Census Bureau's County Business Patterns and the Small Business Administration's tallies — are built from private employers and largely omit government establishments. Because 92612 is almost entirely government, those sources show close to nothing here. The honest way to size it is by government employment, captured by the Bureau of Labor Statistics (BLS) through its Quarterly Census of Employment and Wages (QCEW) — a count of insured employers, not a measure of program spending. [2]

Because 92612 has a single child, its QCEW totals equal 926120's. Using 2024 annual averages: [2]

Ownership Establishments Employment Total annual wages Avg. annual pay
Federal ~991 ~112,600 ~$12.7B ~$112,400
State ~4,016 ~184,100 ~$15.5B ~$84,000
Local ~411 ~27,400 ~$2.7B ~$98,900
Total ~5,418 ~324,100 ~$30.8B ~$95,000

That ~$30.8 billion is a payroll, not revenue — this industry produces rules and oversight, not sales. [2] Undercount caveat: small special districts and local authorities can be under-captured or grouped, and the local ownership tier in particular understates fragmented city traffic, parking, and port bodies — so treat the totals as a solid floor, not a precise ceiling. The much larger flows of money these agencies administer — the Highway Trust Fund, the ~$1.2 trillion Infrastructure Investment and Jobs Act, hundreds of billions in annual highway and transit funding — are covered in the child primer, 926120, Section 5. [6][7][8]

4. Where the investable value concentrates

There is no pure-play public company here — you cannot buy shares in "the FAA" or "a state DOT." [1] Because 92612 has just one child, all of the investable value sits exactly where the 926120 primer describes it: in the private firms around the regulator. In brief, the buckets are:

  • Engineering & program-management firms — AECOM (NYSE: ACM), Jacobs Solutions (NYSE: J), Parsons (NYSE: PSN), Stantec (NYSE: STN), WSP Global (TSX: WSP) — plus large private firms (Kiewit, Bechtel, HDR). [10][11][12]
  • Tolling & enforcement / administrative-technology vendors — Verra Mobility (Nasdaq: VRRM), Conduent (Nasdaq: CNDT), and private vendors TransCore and Kapsch TrafficCom. [13][14]
  • Air-traffic & safety-systems contractors — Leidos (NYSE: LDOS), RTX (NYSE: RTX). [15]
  • Toll-road & infrastructure owners — Ferrovial (Nasdaq: FER), Brookfield Infrastructure (NYSE: BIP/BIPC), FTAI Infrastructure (Nasdaq: FIP) — plus private infrastructure funds (Macquarie, Global Infrastructure Partners, Meridiam, IFM Investors). [17][18][19]
  • Municipal revenue bonds issued by toll, airport, port, and transit authorities, for income-oriented investors.

None of these is a pure 92612 business; each is a diversified proxy. See 926120, Section 4, for the full universe and scale figures.

5. How the money works

Because the industry earns no profit, the government side is funded by dedicated user taxes plus general revenue — chiefly the federal fuel excise tax (18.4 cents per gallon of gasoline, 24.4 cents per gallon of diesel, unchanged since 1993) flowing into the Highway Trust Fund, supplemented by aviation ticket and fuel taxes, vehicle fees, tolls, and fares. [9] The private proxies earn money in different ways: engineering firms on funded backlog and book-to-bill; technology vendors on per-transaction and per-violation fees plus multi-year contracts; and toll-road concessionaires on traffic-based, inflation-linked toll revenue over long (30–99 year) concessions. Regulated-utility rate base, REIT funds-from-operations, and mining-cost metrics do not apply here. Full detail is in 926120, Section 5. [9][10][13][17]

6. Demand drivers

Demand means workload for the regulators and dollars for their contractors. The main drivers — identical to the child's — are the federal funding cycle (surface-transportation bills roughly every five years; the fight over the successor to the 2021 infrastructure law is the biggest near-term swing factor), aging infrastructure and safety incidents, traffic/freight/licensing volume (a durable, non-cyclical base), digitization, the electric-vehicle (EV) transition that erodes the fuel-tax base, and climate resilience. See 926120, Section 6. [7][8][9]

7. Regulation

Here the establishments are the regulators: U.S. DOT and its modal administrations (FAA, FHWA, FMCSA, FRA, FTA, NHTSA, MARAD, PHMSA), independent bodies (NTSB, Surface Transportation Board), and 50 state DOTs and DMVs. Supplier economics are shaped by the National Environmental Policy Act (NEPA), the Build America, Buy America Act (BABA), the Federal Acquisition Regulation (FAR), and Transportation Infrastructure Finance and Innovation Act (TIFIA) credit. Full map in 926120, Section 7. [1]

8. Consolidation

The government side does not compete or consolidate — it is a monopoly by jurisdiction. The action is on the supplier side: engineering firms have been rolling up for a decade to win big infrastructure-bill mega-projects; tolling/enforcement technology is effectively an oligopoly (Verra Mobility, Conduent, TransCore, Kapsch); and public-private partnerships (P3s) keep expanding the private role in operating public assets. See 926120, Section 8. [12][14]

9. Risks

The material risks are the child's: a structural funding gap (a flat fuel tax plus EV erosion, propped up by recurring general-fund bailouts); reauthorization and shutdown risk on contractor backlogs; procurement and execution risk (re-competes, price pressure, fixed-price overruns); permitting risk; workforce strain (notably air-traffic-controller staffing); and basis risk — most public proxies are diversified, so isolate the actual transportation segment before drawing conclusions. Full list in 926120, Section 9. [3][9][12]

10. How to invest & outlook

Because 92612 equals 926120, the playbook is the same. Public-market routes: engineering and program-management firms whose backlogs track federal and state budgets; tolling and administrative-technology vendors on multi-year agency contracts; air-traffic and safety-systems contractors and listed asset owners; and municipal revenue bonds for income — always after isolating each company's real transportation exposure. Private routes: infrastructure funds and P3 equity, direct concession stakes, private credit, and privately held engineering and toll-systems firms, offering the long-dated, inflation-linked, quasi-regulated cash flows public markets can't fully replicate. [10][13][17][14]

Bottom line: NAICS 92612 is structurally durable but financially indirect — the underlying need for transportation administration and safety is about as recession-proof as demand gets, but the investable returns come from the private companies and infrastructure assets that help government plan, regulate, finance, build, operate, and modernize the system. For the complete analysis, the ticker-level universe, and the forward-looking drivers, see the child primer, 926120.


Sources

  1. U.S. Census Bureau, 2022 North American Industry Classification System Manual — NAICS 92612 / 926120 definition, inclusions, and cross-references. https://www.census.gov/naics/reference_files_tools/2022_NAICS_Manual.pdf
  2. U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages (QCEW), 2024 annual averages, NAICS 926120, national totals by ownership; and QCEW methodology overview. https://data.bls.gov/cew/data/api/2024/a/industry/926120.csv · https://www.bls.gov/cew/overview.htm
  3. Congressional Research Service, "Department of Transportation Funding: FY2021–FY2026," R48596, 2025. https://www.congress.gov/crs-product/R48596
  4. U.S. Bureau of Transportation Statistics, Transportation Public Finance / Government Transportation Finance Statistics, 2024–2026. https://www.bts.gov/tpfs
  5. Federal Highway Administration, "Infrastructure Investment and Jobs Act" (IIJA topline and federal highway programs through FY2026). https://highways.dot.gov/infrastructure-investment-and-jobs-act
  6. Federal Transit Administration, "The Infrastructure Investment and Jobs Act" (transit authorization; state-of-good-repair backlog). https://www.transit.dot.gov/IIJA
  7. Tax Policy Center, "What is the Highway Trust Fund, and how is it financed?"; Peter G. Peterson Foundation, "The Highway Trust Fund Explained." https://taxpolicycenter.org/briefing-book/what-highway-trust-fund-and-how-it-financed
  8. AECOM, Form 10-K / Annual Report FY2024. https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000868857&type=10-K
  9. Jacobs Solutions, Form 10-K, 2025. https://www.sec.gov/Archives/edgar/data/52988/000162828025053316/jec-20250926.htm
  10. Parsons Corp., Form 10-K, 2025 (transportation program management; BCC Engineering acquisition). https://www.sec.gov/Archives/edgar/data/275880/000119312526045495/psn-20251231.htm
  11. Verra Mobility Corp., "Fourth Quarter and Full Year 2024 Financial Results," 2025, and Form 10-K, 2025. https://www.prnewswire.com/news-releases/verra-mobility-announces-fourth-quarter-and-full-year-2024-financial-results-302387610.html
  12. Conduent Inc., "Fourth Quarter and Full Year 2024 Financial Results," 2025, and Form 10-K, 2025. https://www.sec.gov/Archives/edgar/data/1677703/000167770326000024/cndt-20251231.htm
  13. Leidos, "Transportation" (air-traffic, safety systems, and ITS). https://www.leidos.com/markets/transportation
  14. Brookfield Infrastructure Partners, Annual Report / Form 20-F, 2025. https://www.sec.gov/Archives/edgar/data/1406234/000140623426000002/bip-20251231.htm
  15. Ferrovial SE, Form 20-F, 2025 (North American toll-road and airport concessions). https://www.sec.gov/Archives/edgar/data/1468522/000162828026011789/fer-20251231.htm
  16. FTAI Infrastructure Inc., Form 10-K, 2025 (railroads, ports, terminals). https://www.sec.gov/Archives/edgar/data/1899883/000189988326000015/ftai-20251231.htm
  17. IFM Investors, infrastructure capabilities (private infrastructure manager with toll-road exposure). https://www.ifminvestors.com/capabilities/know-how/
  18. Acquisition.gov, Federal Acquisition Regulation (FAR) Part 16 — Types of Contracts. https://www.acquisition.gov/far/part-16
  19. U.S. Department of Transportation, "NEPA" (National Environmental Policy Act review). https://www.transportation.gov/transportation-policy/nepa
  20. U.S. Department of Transportation, "Buy America Requirements for Manufactured Products" (Build America, Buy America Act), 2024. https://www.transportation.gov/bipartisan-infrastructure-law/regulations/2024-31350
  21. U.S. DOT Build America Bureau, "TIFIA Eligibility" (Transportation Infrastructure Finance and Innovation Act). https://www.transportation.gov/buildamerica/financing/tifia/eligibility
  22. U.S. Department of Transportation, "Public-Private Partnerships (P3)"; Federal Aviation Administration, Airport Investment Partnership Program. https://www.transportation.gov/buildamerica/technical-assistance/public-private-partnerships-p3 · https://www.faa.gov/airports/airport_compliance/privatization