#,Fact,Value,Unit,Geography,Data period,Source,Publisher,URL (opened),Accessed date,Tier,Methodology notes,Limitations,Suggested citation 1,"Total receipts (sales, value of shipments, or revenue), NAICS 238220",297608835,"$1,000",United States,2022,s1,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223BASIC.zip,2026-11-02,1,Field RCPTOT; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Not profit; Census items only,"U.S. Census Bureau, 2022 Economic Census, Construction: Summary Statistics (EC2223BASIC), released December 2024" 2,"Cost of materials, components and supplies, NAICS 238220",93671679,"$1,000",United States,2022,s1,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223BASIC.zip,2026-11-02,1,Field CSTMPRT; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Not profit; Census items only,"U.S. Census Bureau, 2022 Economic Census, Construction: Summary Statistics (EC2223BASIC), released December 2024" 3,"Cost of construction work subcontracted out, NAICS 238220",21205813,"$1,000",United States,2022,s1,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223BASIC.zip,2026-11-02,1,Field CSTSCNT; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Not profit; Census items only,"U.S. Census Bureau, 2022 Economic Census, Construction: Summary Statistics (EC2223BASIC), released December 2024" 4,"Cost of power, fuels and lubricants, NAICS 238220",6771570,"$1,000",United States,2022,s1,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223BASIC.zip,2026-11-02,1,Field CSTEFT; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Not profit; Census items only,"U.S. Census Bureau, 2022 Economic Census, Construction: Summary Statistics (EC2223BASIC), released December 2024" 5,"Cost of purchased land, NAICS 238220",41961,"$1,000",United States,2022,s1,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223BASIC.zip,2026-11-02,1,Field CSTLAND; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Not profit; Census items only,"U.S. Census Bureau, 2022 Economic Census, Construction: Summary Statistics (EC2223BASIC), released December 2024" 6,"Total selected costs, NAICS 238220",121691023,"$1,000",United States,2022,s1,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223BASIC.zip,2026-11-02,1,Field CSTCMT; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Not profit; Census items only,"U.S. Census Bureau, 2022 Economic Census, Construction: Summary Statistics (EC2223BASIC), released December 2024" 7,"Value added, NAICS 238220",175917812,"$1,000",United States,2022,s1,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223BASIC.zip,2026-11-02,1,Field VALADD; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Not profit; Census items only,"U.S. Census Bureau, 2022 Economic Census, Construction: Summary Statistics (EC2223BASIC), released December 2024" 8,"Annual payroll, NAICS 238220",80351785,"$1,000",United States,2022,s1,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223BASIC.zip,2026-11-02,1,Field PAYANN; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Not profit; Census items only,"U.S. Census Bureau, 2022 Economic Census, Construction: Summary Statistics (EC2223BASIC), released December 2024" 9,"Total fringe benefits, NAICS 238220",23594431,"$1,000",United States,2022,s1,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223BASIC.zip,2026-11-02,1,Field BENEFIT; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Not profit; Census items only,"U.S. Census Bureau, 2022 Economic Census, Construction: Summary Statistics (EC2223BASIC), released December 2024" 10,"Rental and lease payments, NAICS 238220",4641485,"$1,000",United States,2022,s1,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223BASIC.zip,2026-11-02,1,Field RPTOT; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Not profit; Census items only,"U.S. Census Bureau, 2022 Economic Census, Construction: Summary Statistics (EC2223BASIC), released December 2024" 11,"Depreciation, NAICS 238220",4342114,"$1,000",United States,2022,s1,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223BASIC.zip,2026-11-02,1,Field DPRTOT; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Not profit; Census items only,"U.S. Census Bureau, 2022 Economic Census, Construction: Summary Statistics (EC2223BASIC), released December 2024" 12,"Total other operating expenses, NAICS 238220",17589736,"$1,000",United States,2022,s1,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223BASIC.zip,2026-11-02,1,Field PCHTT; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Not profit; Census items only,"U.S. Census Bureau, 2022 Economic Census, Construction: Summary Statistics (EC2223BASIC), released December 2024" 13,"Number of firms, NAICS 238220",112088,firms,United States,2022,s1,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223BASIC.zip,2026-11-02,1,NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Employer firms only; nonemployers excluded,"U.S. Census Bureau, 2022 Economic Census, Construction: Summary Statistics (EC2223BASIC), released December 2024" 14,"Number of employees, NAICS 238220",1169692,employees,United States,2022,s1,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223BASIC.zip,2026-11-02,1,NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Pay period including March 12,"U.S. Census Bureau, 2022 Economic Census, Construction: Summary Statistics (EC2223BASIC), released December 2024" 15,"Total receipts (sales, value of shipments, or revenue), NAICS 238220",206208216,"$1,000",United States,2017,s2,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2017/sector23/EC1723BASIC.zip,2026-11-02,1,Field RCPTOT; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Nominal dollars; 2017 NAICS,"U.S. Census Bureau, 2017 Economic Census, Construction: Summary Statistics (EC1723BASIC)" 16,"Cost of materials, components and supplies, NAICS 238220",66809886,"$1,000",United States,2017,s2,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2017/sector23/EC1723BASIC.zip,2026-11-02,1,Field CSTMPRT; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Nominal dollars; 2017 NAICS,"U.S. Census Bureau, 2017 Economic Census, Construction: Summary Statistics (EC1723BASIC)" 17,"Cost of construction work subcontracted out, NAICS 238220",15843400,"$1,000",United States,2017,s2,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2017/sector23/EC1723BASIC.zip,2026-11-02,1,Field CSTSCNT; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Nominal dollars; 2017 NAICS,"U.S. Census Bureau, 2017 Economic Census, Construction: Summary Statistics (EC1723BASIC)" 18,"Cost of power, fuels and lubricants, NAICS 238220",4480245,"$1,000",United States,2017,s2,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2017/sector23/EC1723BASIC.zip,2026-11-02,1,Field CSTEFT; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Nominal dollars; 2017 NAICS,"U.S. Census Bureau, 2017 Economic Census, Construction: Summary Statistics (EC1723BASIC)" 19,"Cost of purchased land, NAICS 238220",26092,"$1,000",United States,2017,s2,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2017/sector23/EC1723BASIC.zip,2026-11-02,1,Field CSTLAND; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Nominal dollars; 2017 NAICS,"U.S. Census Bureau, 2017 Economic Census, Construction: Summary Statistics (EC1723BASIC)" 20,"Total selected costs, NAICS 238220",87159623,"$1,000",United States,2017,s2,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2017/sector23/EC1723BASIC.zip,2026-11-02,1,Field CSTCMT; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Nominal dollars; 2017 NAICS,"U.S. Census Bureau, 2017 Economic Census, Construction: Summary Statistics (EC1723BASIC)" 21,"Value added, NAICS 238220",119048593,"$1,000",United States,2017,s2,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2017/sector23/EC1723BASIC.zip,2026-11-02,1,Field VALADD; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Nominal dollars; 2017 NAICS,"U.S. Census Bureau, 2017 Economic Census, Construction: Summary Statistics (EC1723BASIC)" 22,"Annual payroll, NAICS 238220",60218491,"$1,000",United States,2017,s2,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2017/sector23/EC1723BASIC.zip,2026-11-02,1,Field PAYANN; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Nominal dollars; 2017 NAICS,"U.S. Census Bureau, 2017 Economic Census, Construction: Summary Statistics (EC1723BASIC)" 23,"Total fringe benefits, NAICS 238220",19079112,"$1,000",United States,2017,s2,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2017/sector23/EC1723BASIC.zip,2026-11-02,1,Field BENEFIT; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Nominal dollars; 2017 NAICS,"U.S. Census Bureau, 2017 Economic Census, Construction: Summary Statistics (EC1723BASIC)" 24,"Rental and lease payments, NAICS 238220",2737271,"$1,000",United States,2017,s2,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2017/sector23/EC1723BASIC.zip,2026-11-02,1,Field RPTOT; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Nominal dollars; 2017 NAICS,"U.S. Census Bureau, 2017 Economic Census, Construction: Summary Statistics (EC1723BASIC)" 25,"Depreciation, NAICS 238220",2738782,"$1,000",United States,2017,s2,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2017/sector23/EC1723BASIC.zip,2026-11-02,1,Field DPRTOT; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Nominal dollars; 2017 NAICS,"U.S. Census Bureau, 2017 Economic Census, Construction: Summary Statistics (EC1723BASIC)" 26,"Total other operating expenses, NAICS 238220",16219604,"$1,000",United States,2017,s2,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2017/sector23/EC1723BASIC.zip,2026-11-02,1,Field PCHTT; NAICS 238220 combines plumbing and HVAC contractors; employer establishments only,Nominal dollars; 2017 NAICS,"U.S. Census Bureau, 2017 Economic Census, Construction: Summary Statistics (EC1723BASIC)" 27,"Total receipts, NAICS 238220",297608835,"$1,000",United States,2022,s1,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223BASIC.zip,2026-11-02,1,Inputs for operating residual are the same Census fields as d3,Employer establishments only,"U.S. Census Bureau, 2022 Economic Census, Construction: Summary Statistics (EC2223BASIC), released December 2024" 28,"Total receipts, NAICS 238210",249247389,"$1,000",United States,2022,s1,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223BASIC.zip,2026-11-02,1,Inputs for operating residual are the same Census fields as d3,Employer establishments only,"U.S. Census Bureau, 2022 Economic Census, Construction: Summary Statistics (EC2223BASIC), released December 2024" 29,"Total receipts, NAICS 238290",42421304,"$1,000",United States,2022,s1,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223BASIC.zip,2026-11-02,1,Inputs for operating residual are the same Census fields as d3,Employer establishments only,"U.S. Census Bureau, 2022 Economic Census, Construction: Summary Statistics (EC2223BASIC), released December 2024" 30,"Total receipts, NAICS 238160",69906202,"$1,000",United States,2022,s1,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223BASIC.zip,2026-11-02,1,Inputs for operating residual are the same Census fields as d3,Employer establishments only,"U.S. Census Bureau, 2022 Economic Census, Construction: Summary Statistics (EC2223BASIC), released December 2024" 31,"Total receipts, NAICS 238",1281526572,"$1,000",United States,2022,s1,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223BASIC.zip,2026-11-02,1,Inputs for operating residual are the same Census fields as d3,Employer establishments only,"U.S. Census Bureau, 2022 Economic Census, Construction: Summary Statistics (EC2223BASIC), released December 2024" 32,"Total receipts, NAICS 23",2920771250,"$1,000",United States,2022,s1,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223BASIC.zip,2026-11-02,1,Inputs for operating residual are the same Census fields as d3,Employer establishments only,"U.S. Census Bureau, 2022 Economic Census, Construction: Summary Statistics (EC2223BASIC), released December 2024" 33,Release month of 2022 Economic Census table EC2223BASIC,December 2024,date,United States,2022,s15,U.S. Census Bureau,https://www.census.gov/programs-surveys/economic-census/year/2022/news-updates/ecdata-releases.html,2026-11-02,1,Census 2022 Economic Census data releases page,,"U.S. Census Bureau, 2022 Economic Census Data Releases" 34,"Release month of 2022 Economic Census table EC2200SIZEEMPFIRM, EC2200SIZEREVFIRM, EC2200SIZELFO",April 2025,date,United States,2022,s15,U.S. Census Bureau,https://www.census.gov/programs-surveys/economic-census/year/2022/news-updates/ecdata-releases.html,2026-11-02,1,Census 2022 Economic Census data releases page,,"U.S. Census Bureau, 2022 Economic Census Data Releases" 35,Release month of 2022 Economic Census table EC2223KOB,December 2025,date,United States,2022,s15,U.S. Census Bureau,https://www.census.gov/programs-surveys/economic-census/year/2022/news-updates/ecdata-releases.html,2026-11-02,1,Census 2022 Economic Census data releases page,,"U.S. Census Bureau, 2022 Economic Census Data Releases" 36,"Receipts by kind of business: Total, NAICS 238220",297608835,"$1,000",United States,2022,s3,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223KOB.zip,2026-11-02,1,Census kind-of-business code CONKB 001,Self-reported primary kind of business; not a margin measure,"U.S. Census Bureau, 2022 Economic Census, EC2223KOB, released December 2025" 37,Receipts by kind of business: HVAC contractor,121737865,"$1,000",United States,2022,s3,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223KOB.zip,2026-11-02,1,Census kind-of-business code CONKB 8220,Self-reported primary kind of business; not a margin measure,"U.S. Census Bureau, 2022 Economic Census, EC2223KOB, released December 2025" 38,Receipts by kind of business: Building sprinkler system contractor,11423830,"$1,000",United States,2022,s3,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223KOB.zip,2026-11-02,1,Census kind-of-business code CONKB 8221,Self-reported primary kind of business; not a margin measure,"U.S. Census Bureau, 2022 Economic Census, EC2223KOB, released December 2025" 39,Receipts by kind of business: Mechanical contractor,54364599,"$1,000",United States,2022,s3,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223KOB.zip,2026-11-02,1,Census kind-of-business code CONKB 8223,Self-reported primary kind of business; not a margin measure,"U.S. Census Bureau, 2022 Economic Census, EC2223KOB, released December 2025" 40,Receipts by kind of business: Plumbing contractor,75077588,"$1,000",United States,2022,s3,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223KOB.zip,2026-11-02,1,Census kind-of-business code CONKB 8224,Self-reported primary kind of business; not a margin measure,"U.S. Census Bureau, 2022 Economic Census, EC2223KOB, released December 2025" 41,Receipts by kind of business: Refrigeration contractor,7872001,"$1,000",United States,2022,s3,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223KOB.zip,2026-11-02,1,Census kind-of-business code CONKB 8225,Self-reported primary kind of business; not a margin measure,"U.S. Census Bureau, 2022 Economic Census, EC2223KOB, released December 2025" 42,Receipts by kind of business: Steam and pipe fitting contractor,4683075,"$1,000",United States,2022,s3,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector23/EC2223KOB.zip,2026-11-02,1,Census kind-of-business code CONKB 8226,Self-reported primary kind of business; not a margin measure,"U.S. Census Bureau, 2022 Economic Census, EC2223KOB, released December 2025" 43,"Receipts, payroll, employees, firms: 238220 firms with less than 5 employees",21103085; 5127769; 99780; 49682,"$1,000; $1,000; employees; firms",United States,2022,s4,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZEEMPFIRM.zip,2026-11-02,1,Firms operated the entire year; employment size of firm,Value added and costs are not published by size class for construction (flag X),"U.S. Census Bureau, 2022 Economic Census, EC2200SIZEEMPFIRM, released April 2025" 44,"Receipts, payroll, employees, firms: 238220 firms with 5 to 9 employees",27051017; 6944720; 125443; 19041,"$1,000; $1,000; employees; firms",United States,2022,s4,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZEEMPFIRM.zip,2026-11-02,1,Firms operated the entire year; employment size of firm,Value added and costs are not published by size class for construction (flag X),"U.S. Census Bureau, 2022 Economic Census, EC2200SIZEEMPFIRM, released April 2025" 45,"Receipts, payroll, employees, firms: 238220 firms with 10 to 19 employees",36495982; 10006332; 164526; 12241,"$1,000; $1,000; employees; firms",United States,2022,s4,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZEEMPFIRM.zip,2026-11-02,1,Firms operated the entire year; employment size of firm,Value added and costs are not published by size class for construction (flag X),"U.S. Census Bureau, 2022 Economic Census, EC2200SIZEEMPFIRM, released April 2025" 46,"Receipts, payroll, employees, firms: 238220 firms with 20 to 49 employees",52413559; 14204625; 208962; 7037,"$1,000; $1,000; employees; firms",United States,2022,s4,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZEEMPFIRM.zip,2026-11-02,1,Firms operated the entire year; employment size of firm,Value added and costs are not published by size class for construction (flag X),"U.S. Census Bureau, 2022 Economic Census, EC2200SIZEEMPFIRM, released April 2025" 47,"Receipts, payroll, employees, firms: 238220 firms with 50 to 99 employees",36358473; 9768287; 132275; 1924,"$1,000; $1,000; employees; firms",United States,2022,s4,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZEEMPFIRM.zip,2026-11-02,1,Firms operated the entire year; employment size of firm,Value added and costs are not published by size class for construction (flag X),"U.S. Census Bureau, 2022 Economic Census, EC2200SIZEEMPFIRM, released April 2025" 48,"Receipts, payroll, employees, firms: 238220 firms with 100 to 249 employees",36594692; 9905306; 128426; 882,"$1,000; $1,000; employees; firms",United States,2022,s4,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZEEMPFIRM.zip,2026-11-02,1,Firms operated the entire year; employment size of firm,Value added and costs are not published by size class for construction (flag X),"U.S. Census Bureau, 2022 Economic Census, EC2200SIZEEMPFIRM, released April 2025" 49,"Receipts, payroll, employees, firms: 238220 firms with 250 to 499 employees",19654559; 5620979; 69018; 201,"$1,000; $1,000; employees; firms",United States,2022,s4,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZEEMPFIRM.zip,2026-11-02,1,Firms operated the entire year; employment size of firm,Value added and costs are not published by size class for construction (flag X),"U.S. Census Bureau, 2022 Economic Census, EC2200SIZEEMPFIRM, released April 2025" 50,"Receipts, payroll, employees, firms: 238220 firms with 500 employees or more",59169842; 16686570; 199444; 136,"$1,000; $1,000; employees; firms",United States,2022,s4,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZEEMPFIRM.zip,2026-11-02,1,Firms operated the entire year; employment size of firm,Value added and costs are not published by size class for construction (flag X),"U.S. Census Bureau, 2022 Economic Census, EC2200SIZEEMPFIRM, released April 2025" 51,"Receipts, payroll, firms: 238220 firms with revenue less than $100,000",536938; 175180; 8407,"$1,000; $1,000; firms",United States,2022,s5,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZEREVFIRM.zip,2026-11-02,1,"Revenue size of firm, full-year firms",No cost or value-added detail by revenue size,"U.S. Census Bureau, 2022 Economic Census, EC2200SIZEREVFIRM" 52,"Receipts, payroll, firms: 238220 firms with revenue of $100,000 to $249,999",2694637; 892948; 15672,"$1,000; $1,000; firms",United States,2022,s5,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZEREVFIRM.zip,2026-11-02,1,"Revenue size of firm, full-year firms",No cost or value-added detail by revenue size,"U.S. Census Bureau, 2022 Economic Census, EC2200SIZEREVFIRM" 53,"Receipts, payroll, firms: 238220 firms with revenue of $250,000 to $499,999",4459645; 1495077; 12694,"$1,000; $1,000; firms",United States,2022,s5,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZEREVFIRM.zip,2026-11-02,1,"Revenue size of firm, full-year firms",No cost or value-added detail by revenue size,"U.S. Census Bureau, 2022 Economic Census, EC2200SIZEREVFIRM" 54,"Receipts, payroll, firms: 238220 firms with revenue of $500,000 to $999,999",12019096; 3493735; 16419,"$1,000; $1,000; firms",United States,2022,s5,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZEREVFIRM.zip,2026-11-02,1,"Revenue size of firm, full-year firms",No cost or value-added detail by revenue size,"U.S. Census Bureau, 2022 Economic Census, EC2200SIZEREVFIRM" 55,"Receipts, payroll, firms: 238220 firms with revenue of $1,000,000 to $2,499,999",31669333; 8947410; 20041,"$1,000; $1,000; firms",United States,2022,s5,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZEREVFIRM.zip,2026-11-02,1,"Revenue size of firm, full-year firms",No cost or value-added detail by revenue size,"U.S. Census Bureau, 2022 Economic Census, EC2200SIZEREVFIRM" 56,"Receipts, payroll, firms: 238220 firms with revenue of $2,500,000 to $4,999,999",31009087; 8789617; 8874,"$1,000; $1,000; firms",United States,2022,s5,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZEREVFIRM.zip,2026-11-02,1,"Revenue size of firm, full-year firms",No cost or value-added detail by revenue size,"U.S. Census Bureau, 2022 Economic Census, EC2200SIZEREVFIRM" 57,"Receipts, payroll, firms: 238220 firms with revenue of $5,000,000 to $9,999,999",32255692; 8970594; 4639,"$1,000; $1,000; firms",United States,2022,s5,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZEREVFIRM.zip,2026-11-02,1,"Revenue size of firm, full-year firms",No cost or value-added detail by revenue size,"U.S. Census Bureau, 2022 Economic Census, EC2200SIZEREVFIRM" 58,"Receipts, payroll, firms: 238220 firms with revenue of $10,000,000 to $24,999,999",43370613; 11399881; 2855,"$1,000; $1,000; firms",United States,2022,s5,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZEREVFIRM.zip,2026-11-02,1,"Revenue size of firm, full-year firms",No cost or value-added detail by revenue size,"U.S. Census Bureau, 2022 Economic Census, EC2200SIZEREVFIRM" 59,"Receipts, payroll, firms: 238220 firms with revenue of $25,000,000 to $99,999,999",56969235; 14230339; 1308,"$1,000; $1,000; firms",United States,2022,s5,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZEREVFIRM.zip,2026-11-02,1,"Revenue size of firm, full-year firms",No cost or value-added detail by revenue size,"U.S. Census Bureau, 2022 Economic Census, EC2200SIZEREVFIRM" 60,"Receipts, payroll, firms: 238220 firms with revenue of $100,000,000 or more",73856933; 19869807; 235,"$1,000; $1,000; firms",United States,2022,s5,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZEREVFIRM.zip,2026-11-02,1,"Revenue size of firm, full-year firms",No cost or value-added detail by revenue size,"U.S. Census Bureau, 2022 Economic Census, EC2200SIZEREVFIRM" 61,"Receipts, payroll, firms: 238220 C-corporations and other corporate legal forms of organization",75238832; 21194131; 15843,"$1,000; $1,000; firms",United States,2022,s6,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZELFO.zip,2026-11-02,1,Legal form of organization,Employer firms only,"U.S. Census Bureau, 2022 Economic Census, EC2200SIZELFO" 62,"Receipts, payroll, firms: 238220 S-corporations",186942372; 50130161; 73389,"$1,000; $1,000; firms",United States,2022,s6,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZELFO.zip,2026-11-02,1,Legal form of organization,Employer firms only,"U.S. Census Bureau, 2022 Economic Census, EC2200SIZELFO" 63,"Receipts, payroll, firms: 238220 Individual proprietorships",11484965; 2928762; 15078,"$1,000; $1,000; firms",United States,2022,s6,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZELFO.zip,2026-11-02,1,Legal form of organization,Employer firms only,"U.S. Census Bureau, 2022 Economic Census, EC2200SIZELFO" 64,"Receipts, payroll, firms: 238220 Partnerships",23939001; 6097518; 7887,"$1,000; $1,000; firms",United States,2022,s6,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZELFO.zip,2026-11-02,1,Legal form of organization,Employer firms only,"U.S. Census Bureau, 2022 Economic Census, EC2200SIZELFO" 65,"Corporations, minor industry 238220: returns",86269,returns,United States,Tax year 2023,s7,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23co51ccr.xlsx,2026-11-02,1,"All active corporations (Forms 1120, 1120S, others); SOI minor industry 238220",Sample-based estimates; includes plumbing; C and S corporations combined,"IRS Statistics of Income, Returns of Active Corporations, Table 5.1, Tax Year 2023" 66,"Corporations, minor industry 238220: total_rcpt",254352967,"$1,000",United States,Tax year 2023,s7,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23co51ccr.xlsx,2026-11-02,1,"All active corporations (Forms 1120, 1120S, others); SOI minor industry 238220",Sample-based estimates; includes plumbing; C and S corporations combined,"IRS Statistics of Income, Returns of Active Corporations, Table 5.1, Tax Year 2023" 67,"Corporations, minor industry 238220: bus_rcpt",252113737,"$1,000",United States,Tax year 2023,s7,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23co51ccr.xlsx,2026-11-02,1,"All active corporations (Forms 1120, 1120S, others); SOI minor industry 238220",Sample-based estimates; includes plumbing; C and S corporations combined,"IRS Statistics of Income, Returns of Active Corporations, Table 5.1, Tax Year 2023" 68,"Corporations, minor industry 238220: cogs",160505030,"$1,000",United States,Tax year 2023,s7,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23co51ccr.xlsx,2026-11-02,1,"All active corporations (Forms 1120, 1120S, others); SOI minor industry 238220",Sample-based estimates; includes plumbing; C and S corporations combined,"IRS Statistics of Income, Returns of Active Corporations, Table 5.1, Tax Year 2023" 69,"Corporations, minor industry 238220: officers",8476454,"$1,000",United States,Tax year 2023,s7,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23co51ccr.xlsx,2026-11-02,1,"All active corporations (Forms 1120, 1120S, others); SOI minor industry 238220",Sample-based estimates; includes plumbing; C and S corporations combined,"IRS Statistics of Income, Returns of Active Corporations, Table 5.1, Tax Year 2023" 70,"Corporations, minor industry 238220: wages",22282683,"$1,000",United States,Tax year 2023,s7,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23co51ccr.xlsx,2026-11-02,1,"All active corporations (Forms 1120, 1120S, others); SOI minor industry 238220",Sample-based estimates; includes plumbing; C and S corporations combined,"IRS Statistics of Income, Returns of Active Corporations, Table 5.1, Tax Year 2023" 71,"Corporations, minor industry 238220: interest",925044,"$1,000",United States,Tax year 2023,s7,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23co51ccr.xlsx,2026-11-02,1,"All active corporations (Forms 1120, 1120S, others); SOI minor industry 238220",Sample-based estimates; includes plumbing; C and S corporations combined,"IRS Statistics of Income, Returns of Active Corporations, Table 5.1, Tax Year 2023" 72,"Corporations, minor industry 238220: ni",17469255,"$1,000",United States,Tax year 2023,s7,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23co51ccr.xlsx,2026-11-02,1,"All active corporations (Forms 1120, 1120S, others); SOI minor industry 238220",Sample-based estimates; includes plumbing; C and S corporations combined,"IRS Statistics of Income, Returns of Active Corporations, Table 5.1, Tax Year 2023" 73,"Corporations with net income, minor industry 238220",62866,returns,United States,Tax year 2023,s8,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23co01cvccr.xlsx,2026-11-02,1,SOI corporation Table 1,Sample-based,"IRS SOI corporation Table 1, Tax Year 2023" 74,"Coefficient of variation, 238220 corporations: total receipts; net income",3.63; 3.84,percent,United States,Tax year 2023,s8,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23co01cvccr.xlsx,2026-11-02,1,SOI published sampling error,,IRS SOI corporation Table 1 CV 75,"Corporations, minor industry 238210 electrical: total receipts",231943705,"$1,000",United States,Tax year 2023,s7,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23co51ccr.xlsx,2026-11-02,1,,Sample-based,"IRS Statistics of Income, Returns of Active Corporations, Table 5.1, Tax Year 2023" 76,"Corporations, minor industry 238210 electrical: net income (less deficit)",14997768,"$1,000",United States,Tax year 2023,s7,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23co51ccr.xlsx,2026-11-02,1,,Sample-based,"IRS Statistics of Income, Returns of Active Corporations, Table 5.1, Tax Year 2023" 77,"S corporations, major industry 238 specialty trade: returns",456477,returns,United States,Tax year 2023,s9,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23co61ccr.xlsx,2026-11-02,1,"Form 1120-S, Table 6.1; SOI publishes S corporations only at the 3-digit level",Broader than HVAC,"IRS SOI, Returns of Active Corporations, Form 1120-S, Table 6.1, Tax Year 2023" 78,"S corporations, major industry 238 specialty trade: total_rcpt",1005828014,"$1,000",United States,Tax year 2023,s9,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23co61ccr.xlsx,2026-11-02,1,"Form 1120-S, Table 6.1; SOI publishes S corporations only at the 3-digit level",Broader than HVAC,"IRS SOI, Returns of Active Corporations, Form 1120-S, Table 6.1, Tax Year 2023" 79,"S corporations, major industry 238 specialty trade: officers",31381954,"$1,000",United States,Tax year 2023,s9,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23co61ccr.xlsx,2026-11-02,1,"Form 1120-S, Table 6.1; SOI publishes S corporations only at the 3-digit level",Broader than HVAC,"IRS SOI, Returns of Active Corporations, Form 1120-S, Table 6.1, Tax Year 2023" 80,"S corporations, major industry 238 specialty trade: ni",80858930,"$1,000",United States,Tax year 2023,s9,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23co61ccr.xlsx,2026-11-02,1,"Form 1120-S, Table 6.1; SOI publishes S corporations only at the 3-digit level",Broader than HVAC,"IRS SOI, Returns of Active Corporations, Form 1120-S, Table 6.1, Tax Year 2023" 81,"Nonfarm sole proprietorships with net income, specialty trade contractors (238)",2002699,returns,United States,Tax year 2023,s16,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23sp01br.xls,2026-11-02,1,"Table 1, businesses with net income",Sample-based,"IRS SOI, Nonfarm Sole Proprietorships, Table 1, Tax Year 2023" 82,"Nonfarm sole proprietorships, specialty trade contractors (238): returns",2521516,returns,United States,Tax year 2023,s10,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23sp02is.xls,2026-11-02,1,"Schedule C returns, Table 2 (returns with net income count from Table 1); SOI publishes sole proprietorships at 3-digit level",Net income includes the owner's own pay; most returns are nonemployers,"IRS SOI, Nonfarm Sole Proprietorships, Tables 1 and 2, Tax Year 2023" 83,"Nonfarm sole proprietorships, specialty trade contractors (238): rcpt",257750287,"$1,000",United States,Tax year 2023,s10,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23sp02is.xls,2026-11-02,1,"Schedule C returns, Table 2 (returns with net income count from Table 1); SOI publishes sole proprietorships at 3-digit level",Net income includes the owner's own pay; most returns are nonemployers,"IRS SOI, Nonfarm Sole Proprietorships, Tables 1 and 2, Tax Year 2023" 84,"Nonfarm sole proprietorships, specialty trade contractors (238): ni",40481324,"$1,000",United States,Tax year 2023,s10,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23sp02is.xls,2026-11-02,1,"Schedule C returns, Table 2 (returns with net income count from Table 1); SOI publishes sole proprietorships at 3-digit level",Net income includes the owner's own pay; most returns are nonemployers,"IRS SOI, Nonfarm Sole Proprietorships, Tables 1 and 2, Tax Year 2023" 85,"Nonfarm sole proprietorships, specialty trade contractors (238): ni_pos",48617919,"$1,000",United States,Tax year 2023,s10,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23sp02is.xls,2026-11-02,1,"Schedule C returns, Table 2 (returns with net income count from Table 1); SOI publishes sole proprietorships at 3-digit level",Net income includes the owner's own pay; most returns are nonemployers,"IRS SOI, Nonfarm Sole Proprietorships, Tables 1 and 2, Tax Year 2023" 86,"Nonfarm sole proprietorships, specialty trade contractors (238): wages",12708646,"$1,000",United States,Tax year 2023,s10,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23sp02is.xls,2026-11-02,1,"Schedule C returns, Table 2 (returns with net income count from Table 1); SOI publishes sole proprietorships at 3-digit level",Net income includes the owner's own pay; most returns are nonemployers,"IRS SOI, Nonfarm Sole Proprietorships, Tables 1 and 2, Tax Year 2023" 87,"Nonfarm sole proprietorships, specialty trade contractors (238): contract",33226099,"$1,000",United States,Tax year 2023,s10,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23sp02is.xls,2026-11-02,1,"Schedule C returns, Table 2 (returns with net income count from Table 1); SOI publishes sole proprietorships at 3-digit level",Net income includes the owner's own pay; most returns are nonemployers,"IRS SOI, Nonfarm Sole Proprietorships, Tables 1 and 2, Tax Year 2023" 88,"Nonfarm sole proprietorships, specialty trade contractors (238): cogs",80394633,"$1,000",United States,Tax year 2023,s10,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23sp02is.xls,2026-11-02,1,"Schedule C returns, Table 2 (returns with net income count from Table 1); SOI publishes sole proprietorships at 3-digit level",Net income includes the owner's own pay; most returns are nonemployers,"IRS SOI, Nonfarm Sole Proprietorships, Tables 1 and 2, Tax Year 2023" 89,"Nonfarm sole proprietorships, specialty trade contractors (238): returns_pos",2002699,returns,United States,Tax year 2023,s10,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23sp02is.xls,2026-11-02,1,"Schedule C returns, Table 2 (returns with net income count from Table 1); SOI publishes sole proprietorships at 3-digit level",Net income includes the owner's own pay; most returns are nonemployers,"IRS SOI, Nonfarm Sole Proprietorships, Tables 1 and 2, Tax Year 2023" 90,"Partnerships, construction sector (23): n",196849,partnerships,United States,Tax year 2023,s11,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23pa01.xlsx,2026-11-02,1,"Form 1065, Table 1; SOI publishes partnerships at sector level here",Broader than HVAC (all construction),"IRS SOI, All Partnerships, Table 1, Tax Year 2023" 91,"Partnerships, construction sector (23): rcpt",617195093,"$1,000",United States,Tax year 2023,s11,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23pa01.xlsx,2026-11-02,1,"Form 1065, Table 1; SOI publishes partnerships at sector level here",Broader than HVAC (all construction),"IRS SOI, All Partnerships, Table 1, Tax Year 2023" 92,"Partnerships, construction sector (23): guaranteed",3473217,"$1,000",United States,Tax year 2023,s11,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23pa01.xlsx,2026-11-02,1,"Form 1065, Table 1; SOI publishes partnerships at sector level here",Broader than HVAC (all construction),"IRS SOI, All Partnerships, Table 1, Tax Year 2023" 93,"Partnerships, construction sector (23): obi",36204152,"$1,000",United States,Tax year 2023,s11,"Internal Revenue Service, Statistics of Income",https://www.irs.gov/pub/irs-soi/23pa01.xlsx,2026-11-02,1,"Form 1065, Table 1; SOI publishes partnerships at sector level here",Broader than HVAC (all construction),"IRS SOI, All Partnerships, Table 1, Tax Year 2023" 94,"Comfort Systems USA, mechanical segment: revenue; gross profit; operating income",6673745; 1572396; 999485,"$1,000",United States (mostly),Fiscal year 2025,s12,U.S. Securities and Exchange Commission (EDGAR),https://www.sec.gov/Archives/edgar/data/1035983/000110465926017530/fix-20251231x10k.htm,2026-11-02,2,Segment table in the 10-K,Large commercial contractors; not typical residential shops,"Comfort Systems USA, Inc., Form 10-K for fiscal year 2025, filed 2026-02-19, SEC accession 0001104659-26-017530" 95,"Comfort Systems USA, consolidated: revenue; gross profit; operating income",9101641; 2195899; 1314589,"$1,000",United States (mostly),Fiscal year 2025,s12,U.S. Securities and Exchange Commission (EDGAR),https://www.sec.gov/Archives/edgar/data/1035983/000110465926017530/fix-20251231x10k.htm,2026-11-02,2,Segment table in the 10-K,Large commercial contractors; not typical residential shops,"Comfort Systems USA, Inc., Form 10-K for fiscal year 2025, filed 2026-02-19, SEC accession 0001104659-26-017530" 96,"EMCOR Group, U.S. mechanical construction and facilities services segment: revenue; gross profit; operating income",7050481; not reported; 905325,"$1,000",United States (mostly),Fiscal year 2025,s13,U.S. Securities and Exchange Commission (EDGAR),https://www.sec.gov/Archives/edgar/data/105634/000010563426000025/eme-20251231.htm,2026-11-02,2,Segment table in the 10-K,Large commercial contractors; not typical residential shops,"EMCOR Group, Inc., Form 10-K for fiscal year 2025, filed 2026-02-26, SEC accession 0000105634-26-000025" 97,"EMCOR Group, U.S. building services segment: revenue; gross profit; operating income",3122242; not reported; 187192,"$1,000",United States (mostly),Fiscal year 2025,s13,U.S. Securities and Exchange Commission (EDGAR),https://www.sec.gov/Archives/edgar/data/105634/000010563426000025/eme-20251231.htm,2026-11-02,2,Segment table in the 10-K,Large commercial contractors; not typical residential shops,"EMCOR Group, Inc., Form 10-K for fiscal year 2025, filed 2026-02-26, SEC accession 0000105634-26-000025" 98,"EMCOR Group, consolidated: revenue; gross profit; operating income",16986422; 3282988; 1713418,"$1,000",United States (mostly),Fiscal year 2025,s13,U.S. Securities and Exchange Commission (EDGAR),https://www.sec.gov/Archives/edgar/data/105634/000010563426000025/eme-20251231.htm,2026-11-02,2,Segment table in the 10-K,Large commercial contractors; not typical residential shops,"EMCOR Group, Inc., Form 10-K for fiscal year 2025, filed 2026-02-26, SEC accession 0000105634-26-000025" 99,"Limbach Holdings, Owner Direct Relationships segment: revenue; gross profit; operating income",485690; 129876; not reported,"$1,000",United States (mostly),Fiscal year 2025,s14,U.S. Securities and Exchange Commission (EDGAR),https://www.sec.gov/Archives/edgar/data/1606163/000162828026013285/lmb-20251231.htm,2026-11-02,2,Segment table in the 10-K,Large commercial contractors; not typical residential shops,"Limbach Holdings, Inc., Form 10-K for fiscal year 2025, filed 2026-03-02, SEC accession 0001628280-26-013285" 100,"Limbach Holdings, General Contractor Relationships segment: revenue; gross profit; operating income",161114; 39438; not reported,"$1,000",United States (mostly),Fiscal year 2025,s14,U.S. Securities and Exchange Commission (EDGAR),https://www.sec.gov/Archives/edgar/data/1606163/000162828026013285/lmb-20251231.htm,2026-11-02,2,Segment table in the 10-K,Large commercial contractors; not typical residential shops,"Limbach Holdings, Inc., Form 10-K for fiscal year 2025, filed 2026-03-02, SEC accession 0001628280-26-013285" 101,"Limbach Holdings, consolidated: revenue; gross profit; operating income",646804; 169314; 49454,"$1,000",United States (mostly),Fiscal year 2025,s14,U.S. Securities and Exchange Commission (EDGAR),https://www.sec.gov/Archives/edgar/data/1606163/000162828026013285/lmb-20251231.htm,2026-11-02,2,Segment table in the 10-K,Large commercial contractors; not typical residential shops,"Limbach Holdings, Inc., Form 10-K for fiscal year 2025, filed 2026-03-02, SEC accession 0001628280-26-013285" 102,"IES Holdings, Residential segment (fiscal year ended 2025-09-30): revenue; gross profit; operating income",1304369; 336449; 103792,"$1,000",United States (mostly),Fiscal year 2025,s20,U.S. Securities and Exchange Commission (EDGAR),https://www.sec.gov/Archives/edgar/data/1048268/000104826825000174/iesc-20250930.htm,2026-11-02,2,Segment table in the 10-K,Large commercial contractors; not typical residential shops,"IES Holdings, Inc., Form 10-K for fiscal year ended 2025-09-30, filed 2025-11-21, SEC accession 0001048268-25-000174" 103,Limbach segment gross margin 2024: ODR; GCR,31.2; 21.1,percent,United States,Fiscal year 2024,s14,U.S. Securities and Exchange Commission (EDGAR),https://www.sec.gov/Archives/edgar/data/1606163/000162828026013285/lmb-20251231.htm,2026-11-02,2,As stated in the FY2025 10-K,One company,"Limbach Holdings, Inc., Form 10-K for fiscal year 2025, filed 2026-03-02, SEC accession 0001628280-26-013285" 104,Comfort Systems: maintenance and repair service share of revenue,7.3,percent,United States,Fiscal year 2025,s12,U.S. Securities and Exchange Commission (EDGAR),https://www.sec.gov/Archives/edgar/data/1035983/000110465926017530/fix-20251231x10k.htm,2026-11-02,2,Stated in Item 7 of the 10-K,"Approximate, as stated by the company","Comfort Systems USA, Inc., Form 10-K for fiscal year 2025, filed 2026-02-19, SEC accession 0001104659-26-017530" 105,"Page to beat: ServiceTitan blog, HVAC profit margins","10 to 20 percent net called healthy; average below 10 percent, often 2 to 3 percent; no data source named",text,United States,undated,s17,ServiceTitan blog,https://www.servicetitan.com/blog/hvac-profit-margins,2026-11-02,3,Opened and saved in raw/pages_to_beat,"Unsourced ranges; used only as comparison, never as evidence", 106,"Page to beat: ShareWillow blog, HVAC profit margins",average gross 30 to 40 percent; average net about 10 percent; no data source named,text,United States,undated,s18,ShareWillow blog,https://www.sharewillow.com/blog/hvac-profit-margins,2026-11-02,3,Opened and saved in raw/pages_to_beat,"Unsourced ranges; used only as comparison, never as evidence", 107,"Page to beat: Hook Agency blog, HVAC profit margin (2024-11-18)",gross 15 to 30 percent; contractor forum quotes; no data source named,text,United States,2024,s19,Hook Agency blog,https://hookagency.com/blog/hvac-profit-margin/,2026-11-02,3,Opened and saved in raw/pages_to_beat,"Unsourced ranges; used only as comparison, never as evidence", 108,"Firms not operated for the entire year, NAICS 238220 (excluded from size comparisons)",20944,firms,United States,2022,s4,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZEEMPFIRM.zip,2026-11-02,1,"Employment size of firm table, code 600",Part-year receipts,"U.S. Census Bureau, 2022 Economic Census, EC2200SIZEEMPFIRM" 109,"Firms operated the entire year, NAICS 238220",91144,firms,United States,2022,s4,U.S. Census Bureau,https://www2.census.gov/programs-surveys/economic-census/data/2022/sector00/EC2200SIZEEMPFIRM.zip,2026-11-02,1,"Employment size of firm table, code 200",Employer firms only,"U.S. Census Bureau, 2022 Economic Census, EC2200SIZEEMPFIRM"