Residential intellectual and developmental disability, mental health, and substance abuse facilities
The four largest firms in Residential intellectual and developmental disability, mental health, and substance abuse facilities accounted for 9.4% of the industry's 2022 sales, value of shipments, or revenue, and its concentration (HHI 34) ranks 193 of 232 industry groups in the Economic Census. What is HHI?
National employer-firm concentration for this industry group, measured from sales, value of shipments, or revenue. Census categories are statistical groupings, not necessarily antitrust markets.
Industry profileResidential intellectual and developmental disability, mental health, and substance abuse facilitiesIndustry group · HHI 34.3 · CR4 9.4%
GeographyUnited StatesNational firm totals
UniverseEmployer firmsFirms with payroll
MeasurementRevenue concentrationSales, shipments, or revenue
Permitted useScreening onlyNot a legal market definition
Two-vintage industry profile
How this published industry row changed from 2017 to 2022
Inspect six Census measures, publication status, and this row's signed-change position among strict same-level peers.
Strict code + label matchNAICS 6232
Herfindahl-Hirschman Index / HHI points
+17 pts+98.3% from 2017
Same-level change rank
#59 of 19970.7th percentile
2017 Economic Census17.3
2022 Economic Census34.3
Signed change context
Strict published pairs at hierarchy level 4
Peer 90th percentile / selected extent
Lower changeZeroHigher change
Same-level median +1.8 ptsSector median +3.3 pts
National rank
#59 of 199
Sector rank
#2 of 12
National coverage
199 of 240
Sector coverage
12 of 17
Comparison evidence
The NAICS code, hierarchy depth, sector, and label are identical in both Census tables.
U.S. Census Bureau, 2022 Economic Census, EC2200SIZECONCEN: Selected Sectors - Concentration of Largest Firms for the United States, released April 2025.
Industry screen, not market conclusion
A NAICS industry is a statistical classification, not a legally defined antitrust market. Use these national revenue concentration measures to screen where deeper product and geographic market analysis may be warranted, not to infer market power or liability.