Is Natural Gas Services Group, Inc. overvalued or undervalued?

As of 22 August 2025, the valuation grade for Natural Gas Services Group, Inc. moved from expensive to fair. The company appears to be fairly valued based on its current metrics. Key ratios include a P/E ratio of 18, an EV to EBITDA of 7.11, and a PEG ratio of 0.22, indicating a reasonable valuation relative to its earnings growth potential.
In comparison to peers, Natural Gas Services Group, Inc. has a P/E of 17.57, which is lower than Graham Corp.'s P/E of 41.09, suggesting it is more attractively priced. The company also outperforms Hyster-Yale Materials Handling, Inc., which has a lower P/E of 15.05 but is considered expensive. Over the past year, Natural Gas Services Group, Inc. has returned 40.71%, significantly outperforming the S&P 500's return of 17.14%, reinforcing its fair valuation status.