Houston, Texas-based Comfort Systems USA, Inc. (FIX) is a leading provider of mechanical, electrical, and plumbing (MEP) contracting services, helping build and maintain the complex systems that keep commercial and industrial facilities running. The company has a market cap of $56.9 billion and operates through two segments: Mechanical and Electrical.
Comfort Systems’ stock has been on an extraordinary run, leaving the broader market far behind. FIX stock has grown 128.4% over the past 52 weeks and 73.1% on a YTD basis. In comparison, the S&P 500 Index ($SPX) has returned 18.7% over the past year and risen 12.1% in 2026.
