Natural Gas Services Group Inc
NYSE: NGS · ENERGY · OIL & GAS EQUIPMENT & SERVICES
Updated 2026-06-05
Natural Gas Services Group Inc (NGS) Financial statements
SEC filings — annual and quarterly data.
Cash flow — annual
| Item | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Operating cash flow | $11.84M | $18.27M | $28.25M | $32.18M | $28.80M | $33.62M | $35.42M | $39.24M | $34.56M | $41.61M | $32.77M | $17.45M | $23.41M | $29.41M | $32.65M | $28.29M | $27.76M | $18.03M | $65.50M | $62.93M |
| Capital expenditures | $27.68M | $25.31M | $46.27M | $9.54M | $21.91M | $36.52M | $23.77M | $43.42M | $53.34M | $12.50M | $4.31M | $13.49M | $39.79M | $69.94M | $15.26M | $25.71M | $65.12M | $153.94M | $71.89M | $1.98M |
| Depreciation | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Stock-based comp | $-1.25M | $-1000.00 | $423000.00 | $584000.00 | $1.06M | $1.07M | $1.42M | $1.68M | $3.24M | $3.54M | $2.30M | $4.04M | $2.38M | $2.58M | $2.19M | $1.74M | $1.91M | $2.05M | $1.82M | $2.13M |
| Free cash flow | $-15.84M | $-7.04M | $-18.02M | $22.64M | $6.89M | $-2.90M | $11.65M | $-4.17M | $-18.78M | $29.11M | $28.46M | $3.96M | $-16.38M | $-40.53M | $17.39M | $2.58M | $-37.36M | $-135.91M | $-6.39M | $60.95M |
| Investing cash flow | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Financing cash flow | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Dividends paid | — | — | — | — | — | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | — | — | — | — | — | $0.00 | $0.00 | $2.64M |
| Share repurchases | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Debt repayment | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Net change in cash | — | — | — | — | — | $-2.75M | $11.70M | $-3.64M | $-18.26M | $29.35M | $28.56M | $5.11M | $-16.58M | $-41.04M | $17.33M | $-5.98M | — | — | — | — |
Frequently asked questions
What is Natural Gas Services Group Inc's revenue?
Natural Gas Services Group Inc's trailing twelve-month revenue is $179.40M. Revenue is the top line the whole model builds on, and at this scale the question shifts from how fast it grows to whether margins hold as it compounds.
How profitable is NGS?
In its most recent fiscal year, NGS ran a gross margin of 37.07%, an operating margin of 23.47%, and a net margin of 11.56%. Margins this high mean most of each extra dollar of revenue drops through to profit, which is the signature of real pricing power.
How much free cash flow does NGS generate?
NGS produced $60.95M in free cash flow in its most recent fiscal year. Free cash flow is what is left after running and reinvesting in the business, and it is the cash that actually funds buybacks, dividends, and a stronger balance sheet.
Is NGS's balance sheet healthy?
NGS holds $0.00 in cash and equivalents against $230.00M in long-term debt, on $274.72M of shareholder equity. That debt is best read against the cash flow the business throws off each year.