Companies
Comfort Systems USA
Engineering and constructionHouston, TexasFIXAbout 22,700 employees
More about Comfort Systems USA
Mechanical and electrical contractor that installs and services HVAC, plumbing and electrical systems in commercial, industrial and institutional buildings
Revenue
$9.10B
Fiscal 2025, up 29%
Employees
About 22,700
As of December 2025
Stock
FIX
New York Stock Exchange
Headquarters
Houston, Texas
CEO
Brian Lane
Since December 2011
Main businessesMechanical (HVAC, plumbing, piping, fire protection, modular construction) and electrical contracting and service
Current strategyGrowing in industrial, commercial and institutional markets, expanding prefabrication and service work, and buying more contractors
Recent workforce changesHeadcount rose from about 18,300 to about 22,700 during 2025
CompetitorsEmcor, Limbach, IES Holdings
Related companiesEmcorQuanta Services
Checked October 11, 2026 · Sources: sec.gov, comfortsystemsusa.gcs-web.com, sec.gov (2)
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