The industry tree.

The full NAICS 2022 structure — 2,125 nodes from sector to national industry — with every mapped provider placed at its deepest confident node (inferred; basis recorded per provider). The 53 register categories remain the rollup facet on the register board.

19,592 providers mapped14,282 unmapped49% at 4-digit depth or deeper2,125 nodes

Sectors

Agriculture, Forestry, Fishing and HuntingNAICS 11 · sector 5 providers Mining, Quarrying, and Oil and Gas ExtractionNAICS 21 · sector 9 providers UtilitiesNAICS 22 · sector 86 providers ConstructionNAICS 23 · sector 32 providers ManufacturingNAICS 31-33 · sector 814 providers Wholesale TradeNAICS 42 · sector none mapped Retail TradeNAICS 44-45 · sector 151 providers Transportation and WarehousingNAICS 48-49 · sector 891 providers InformationNAICS 51 · sector 11,154 providers Finance and InsuranceNAICS 52 · sector 1,990 providers Real Estate and Rental and LeasingNAICS 53 · sector 15 providers Professional, Scientific, and Technical ServicesNAICS 54 · sector 2,333 providers Management of Companies and EnterprisesNAICS 55 · sector none mapped Administrative and Support and Waste Management and Remediation ServicesNAICS 56 · sector 454 providers Educational ServicesNAICS 61 · sector 471 providers Health Care and Social AssistanceNAICS 62 · sector 810 providers Arts, Entertainment, and RecreationNAICS 71 · sector 53 providers Accommodation and Food ServicesNAICS 72 · sector 27 providers Other Services (except Public Administration)NAICS 81 · sector 23 providers Public AdministrationNAICS 92 · sector 269 providers