Comfort Systems USA is a publicly traded Fortune 500 company providing mechanical, electrical, and plumbing (MEP) system services nationwide. It operates through a network of more than 50 operating companies across 184 locations, employing over 18,300 people. The company's expertise spans HVAC, process piping, building automation, and modular construction.
With annual revenue of approximately $7 billion, the firm serves clients in sectors including healthcare, higher education, industrial facilities, and general business. Its work involves the design, installation, and maintenance of complex building systems, including mission-critical process piping.
Founded in its current form with 12 operating companies at its IPO in 1997, the company has grown significantly through acquisitions. It emphasizes a decentralized operational model that preserves the identity of acquired businesses while providing centralized support and career development opportunities.






