Public reference
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.
Figures are drawn from official U.S. statistics and independent sources, with citations on every page. Most figures here are cited but not individually checked against a pinned source excerpt; the ones that are say so and link the excerpt. Industry research, not investment advice. Methodology.
How to read this
Browsing the tree
Leaf industries (6-digit) are researched from the ground up, and every group, subsector, and sector above them has a synthesized rollup that reads as a contrast across the industries beneath it — so the full NAICS tree is here to browse.
Pick a sector below, or use the taxonomy tree on the left to jump to any of the 2122 primers. Every one is written for both public-market and private investors, with sources listed.
With a source ledger
Primers whose every passage is linked to a source excerpt
These are additionally built from pinned official-statistics snapshots and adversarially checked passage by passage, against those excerpts, by a model from a different provider.
- Breweriesfact-pageas of 2026-07-19 00:00:00.000Z
- Building Equipment Contractorscore-primeras of 2026-07-19 00:00:00.000Z
- Crude Petroleum Extractionfact-pageas of 2026-07-30 00:00:00.000Z
- Gold Ore Miningfact-pageas of 2026-07-30 00:00:00.000Z
- Iron Ore Miningfact-pageas of 2026-07-30 00:00:00.000Z
- Natural Gas Extractionfact-pageas of 2026-07-30 00:00:00.000Z
- Residential Building Constructioncore-primeras of 2026-07-19 00:00:00.000Z
- Soybean Farmingfact-pageas of 2026-07-19 00:00:00.000Z
- Surface Coal Miningfact-pageas of 2026-07-30 00:00:00.000Z
Agriculture, Forestry, Fishing and Hunting
131 primers
Mining, Oil & Gas
41 primers
Utilities
25 primers
Construction
73 primers
Manufacturing
141 primers
Manufacturing
179 primers
Manufacturing
309 primers
Wholesale Trade
161 primers
Retail Trade
64 primers
Retail Trade
74 primers
Transportation and Warehousing
118 primers
Transportation and Warehousing
21 primers
Information
71 primers
Finance and Insurance
79 primers
Real Estate & Leasing
53 primers
Professional, Scientific, and Technical Services
95 primers
Management of Companies and Enterprises
7 primers
Administrative and Support and Waste Management and Remediation Services
87 primers
Educational Services
38 primers
Health Care and Social Assistance
92 primers
Arts, Entertainment, and Recreation
61 primers
Accommodation and Food Services
34 primers
Other Services (except Public Administration)
93 primers
Public Administration
75 primers