Antitrust Radar

Economy-wide observatory

U.S. industry concentration atlas

How concentrated each U.S. industry is, from broad sectors down to detailed lines of business, with each industry's sales, value of shipments, or revenue, and employment from the Census Bureau. Census categories are statistical groupings and are not necessarily antitrust markets.

899Detailed industriessix-digit NAICS679Published HHI220 withheld68Top decileHHI >= 1,081$50.3TRevenue represented2022 Census

Sector signal plane

Where sector medians sit in the Census universe

17 sectorscircle = detailed rowsOpen priority list
Sector median HHI and CR4 signal planeSeventeen Census sectors plotted by median detailed-industry HHI and median CR4, with screen, watch, and priority review HHI regions. Circle size represents the number of detailed industries. Each point links to the filtered industry atlas.Median detailed-industry HHIMedian CR4 (%)Mining, quarrying, and oil and gas extraction: median HHI 559.2; median CR4 43.7% across 21 detailed industries.21Utilities: median HHI 615.9; median CR4 41.6% across 14 detailed industries.22Construction: median HHI 19.4; median CR4 6.4% across 31 detailed industries.Manufacturing: median HHI 439.3; median CR4 38.5% across 346 detailed industries.Wholesale trade: median HHI 360.8; median CR4 29.9% across 69 detailed industries.Retail trade: median HHI 133.9; median CR4 32.8% across 57 detailed industries.Transportation and warehousing: median HHI 277.4; median CR4 40% across 54 detailed industries.Information: median HHI 638.2; median CR4 45.6% across 29 detailed industries.51Finance and insurance: median HHI 405.8; median CR4 31% across 29 detailed industries.Real estate and rental and leasing: median HHI 116.9; median CR4 29.4% across 24 detailed industries.Professional, scientific, and technical services: median HHI 94.9; median CR4 17.8% across 48 detailed industries.Administrative and support and waste management and remediation services: median HHI 182; median CR4 23.5% across 44 detailed industries.Educational services: median HHI 75.6; median CR4 15% across 14 detailed industries.Health care and social assistance: median HHI 35.8; median CR4 8.4% across 39 detailed industries.Arts, entertainment, and recreation: median HHI 192.2; median CR4 21.2% across 25 detailed industries.Accommodation and food services: median HHI 15; median CR4 8% across 15 detailed industries.Other services (except public administration): median HHI 54.3; median CR4 12.8% across 40 detailed industries.
Below 100100-299300-499500+
Priority review / NAICS 51Information
Median HHI638.2Median CR445.6%Sector rank1 / 17Top-decile industries4 / 29

13.8% of detailed industries in this sector fall in the national HHI top decile.

Open sector evidence

NAICS hierarchy navigator

Move through the official industry classification

Select any branch to carry its detailed-industry scope into the concentration plane, economy map, and evidence directory below.

Current branchReal estate and rental and leasingSector / level 2 of 6
Detailed descendants24Six-digit records in scope
Published HHI70.8%17 published / 7 withheld
Revenue$946.4BExact Census hierarchy row

Direct subsector records

Real estate and rental and leasing / bars normalized to the largest visible revenue value

Selected classification

NAICS 53

Real estate and rental and leasing

Sector with 24 detailed descendants.

Median HHI
116.9
Revenue
$946.4B
Employment
2.5M
Employer firms
371.1K

Curated antitrust layer

1 market / 2 policy records / 2 reports

Profile AtlasDataTrace 2017-2022

NAICS hierarchy is an economic classification, not a legal product or geographic market definition.

Economy concentration plane

See scale and concentration together

Revenue uses a logarithmic axis, circle area follows employer-firm count, and color identifies the two-digit NAICS sector.

Current scopeReal estate and rental and leasing24 detailed rows
Published HHI1770.8% of scope
Median HHI116.9Median CR4 29.4%
Revenue represented$946.4B7 HHI disclosure-withheld

Detailed-industry cross-section

17 published industries plotted by revenue, HHI, employer-firm count, and NAICS sector.

7 withheld
NAICS 531210: Offices of real estate agents and brokers; HHI 54.3; $179.4B revenue; 150,558 employer firmsNAICS 531110: Lessors of residential buildings and dwellings; HHI 34.9; $162.3B revenue; 55,397 employer firmsNAICS 531311: Residential property managers; HHI 24.1; $69.6B revenue; 39,404 employer firmsNAICS 531120: Lessors of nonresidential buildings (except miniwarehouses); HHI 64; $155.2B revenue; 33,656 employer firmsNAICS 531390: Other activities related to real estate; HHI 60.7; $25.9B revenue; 20,909 employer firmsNAICS 531320: Offices of real estate appraisers; HHI 116.9; $7.9B revenue; 12,955 employer firmsNAICS 531130: Lessors of miniwarehouses and self-storage units; HHI 606; $20.6B revenue; 8,946 employer firmsNAICS 531190: Lessors of other real estate property; HHI 258.9; $11.7B revenue; 7,019 employer firmsNAICS 532490: Other commercial and industrial machinery and equipment rental and leasing; HHI 186.7; $43.8B revenue; 5,347 employer firmsNAICS 532289: All other consumer goods rental; HHI 43.5; $7.2B revenue; 4,232 employer firmsNAICS 532284: Recreational goods rental; HHI 90.6; $2.3B revenue; 2,633 employer firmsNAICS 533110: Lessors of nonfinancial intangible assets (except copyrighted works); HHI 329; $62.1B revenue; 2,446 employer firmsNAICS 532310: General rental centers; HHI 30.5; $3.2B revenue; 1,919 employer firmsNAICS 532120: Truck, utility trailer, and RV (recreational vehicle) rental and leasing; HHI 1,081.4; $37.3B revenue; 1,693 employer firmsNAICS 532411: Commercial air, rail, and water transportation equipment rental and leasing; HHI 798.4; $13.2B revenue; 526 employer firmsNAICS 532420: Office machinery and equipment rental and leasing; HHI 393; $2.6B revenue; 478 employer firmsNAICS 532111: Passenger car rental; HHI 3,029.2; $38.8B revenue; 2,190 employer firms

Selected record

Passenger car rental

NAICS 532111
HHI
3,029.2
Revenue
$38.8B
CR4
89.6%
Employer firms
2,190
Open industry profile

High-HHI tail

Highest measured rows

01Passenger car rentalNAICS 532111 / $38.8B3,029.202Truck, utility trailer, and RV (recreational vehicle) rental and leasingNAICS 532120 / $37.3B1,081.403Commercial air, rail, and water transportation equipment rental and leasingNAICS 532411 / $13.2B798.404Lessors of miniwarehouses and self-storage unitsNAICS 531130 / $20.6B60605Office machinery and equipment rental and leasingNAICS 532420 / $2.6B39306Lessors of nonfinancial intangible assets (except copyrighted works)NAICS 533110 / $62.1B329

Circle position and rank use Census-published HHI only. Disclosure-withheld values remain in the directory and are excluded from measured comparisons.

Economy composition map

See where economic scale and concentration meet

Each tile is one six-digit NAICS industry. Area follows the selected economic measure; color carries either published HHI or sector identity.

Size tiles by
Color tiles by
Current scopeReal estate and rental and leasing24 detailed rows
Area / Revenue$946.4BSales, shipments, or revenue
Color / HHI bands17 published7 HHI disclosure-withheld
Scope median HHI116.9Unweighted across published rows

Area = revenue / Color = hhi bands

1 sector groups / 24 positive-value industries

2022 Economic Census
0-499500-9991,000-1,4991,500-2,4992,500+Withheld

Active industry

Offices of real estate agents and brokersNAICS 531210

Revenue

$179.4B

18.96% of current scope / 19.0% of sector

HHI
54.3
CR4
11.8%
Employment
441,369
Employer firms
150,558
Open evidence profile

Largest by revenue

01Offices of real estate agents and brokers531210$179.4B02Lessors of residential buildings and dwellings531110$162.3B03Lessors of nonresidential buildings (except miniwarehouses)531120$155.2B04Residential property managers531311$69.6B

Tile area represents revenue within this detailed-industry scope. HHI is a national NAICS screen, not a legal antitrust market. Disclosure-withheld values remain mapped and use the gray band.

Census industry directory

Compare the full NAICS hierarchy

HHI and concentration ratios are based on national sales, value of shipments, or revenue for employer firms.

24 of 1,866
NAICS 532111Passenger car rentalDetailed industry
HHI3,029.2CR489.6%Revenue$38.8B
NAICS 532120Truck, utility trailer, and RV (recreational vehicle) rental and leasingDetailed industry
HHI1,081.4CR458.9%Revenue$37.3B
NAICS 532411Commercial air, rail, and water transportation equipment rental and leasingDetailed industry
HHI798.4CR447.4%Revenue$13.2B
NAICS 531130Lessors of miniwarehouses and self-storage unitsDetailed industry
HHI606CR442.7%Revenue$20.6B
NAICS 532420Office machinery and equipment rental and leasingDetailed industry
HHI393CR433.5%Revenue$2.6B
NAICS 533110Lessors of nonfinancial intangible assets (except copyrighted works)Detailed industry
HHI329CR428.4%Revenue$62.1B
NAICS 531190Lessors of other real estate propertyDetailed industry
HHI258.9CR429.4%Revenue$11.7B
NAICS 532490Other commercial and industrial machinery and equipment rental and leasingDetailed industry
HHI186.7CR423.2%Revenue$43.8B
NAICS 531320Offices of real estate appraisersDetailed industry
HHI116.9CR417.8%Revenue$7.9B
NAICS 532284Recreational goods rentalDetailed industry
HHI90.6CR416.6%Revenue$2.3B
NAICS 531120Lessors of nonresidential buildings (except miniwarehouses)Detailed industry
HHI64CR411.1%Revenue$155.2B
NAICS 531390Other activities related to real estateDetailed industry
HHI60.7CR413.2%Revenue$25.9B
NAICS 531210Offices of real estate agents and brokersDetailed industry
HHI54.3CR411.8%Revenue$179.4B
NAICS 532289All other consumer goods rentalDetailed industry
HHI43.5CR49.3%Revenue$7.2B
NAICS 531110Lessors of residential buildings and dwellingsDetailed industry
HHI34.9CR48.8%Revenue$162.3B
NAICS 532310General rental centersDetailed industry
HHI30.5CR47.3%Revenue$3.2B
NAICS 531311Residential property managersDetailed industry
HHI24.1CR47.1%Revenue$69.6B
NAICS 532210Consumer electronics and appliances rentalDetailed industry
HHIWithheldCR481.5%Revenue$5.5B
NAICS 532112Passenger car leasingDetailed industry
HHIWithheldCR469.5%Revenue$14.7B
NAICS 532283Home health equipment rentalDetailed industry
HHIWithheldCR465.8%Revenue$5.9B
NAICS 532281Formal wear and costume rentalDetailed industry
HHIWithheldCR448.4%Revenue$719.7M
NAICS 532412Construction, mining, and forestry machinery and equipment rental and leasingDetailed industry
HHIWithheldCR440.3%Revenue$36.4B
NAICS 531312Nonresidential property managersDetailed industry
HHIWithheldCR431.8%Revenue$39.5B
NAICS 532282Video tape and disc rentalDetailed industry
HHIWithheldCR4DRevenue$588.3M

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.

U.S. Industry Concentration Atlas | Antitrust Radar