Is EMCOR Group, Inc. overvalued or undervalued?

As of 31 October 2025, EMCOR Group, Inc. has moved from an attractive to a fair valuation grade. The company appears to be fairly valued based on its current metrics. Key ratios include a P/E ratio of 24, an EV to EBITDA ratio of 16.28, and a PEG ratio of 0.48, which suggests strong growth potential relative to its price. In comparison, Comfort Systems USA, Inc. has a higher P/E of 38.72, while AECOM is considered expensive with a P/E of 22.09.
Despite the recent dip in stock price, EMCOR has outperformed the S&P 500 significantly over the longer term, with a 3-year return of 378.94% compared to the S&P 500's 76.66%. This strong historical performance, combined with its solid financial ratios, indicates that the company is fairly valued in the current market context.