Sunday 11 October 2026
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Natural Gas Services Group, Inc.
NGS Energy Oil & Gas Equipment & Services
Natural Gas Services Group, Inc.’s revenue for fiscal 2025 (year ended December 2025) was $172.3 million, up 9.94% from fiscal 2024. In the quarter to June 2026, revenue grew 24.2%, EPS fell 28.6%, free cash flow grew 144.9% and total debt rose 80.2%, each against the same quarter a year earlier. Revenue growth for five consecutive years; insiders bought in the last twelve months.
33.10
0.08
−0.24%
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| Dec '25 | Dec '24 | Dec '23 | Dec '22 | Dec '21 | Dec '20 | Dec '19 | Dec '18 | Dec '17 | Dec '16 | |
|---|---|---|---|---|---|---|---|---|---|---|
P/E ratio |
21.03 | 19.42 | 40.15 | 0.00 | 0.00 | 67.71 | 0.00 | 0.00 | 17.75 | 62.55 |
Piotroski F-Score |
5 | 8 | 7 | 6 | 5 | 6 | 3 | 3 | 3 | 4 |
P/S ratio |
2.45 | 2.12 | 1.59 | 1.63 | 1.89 | 1.84 | 2.05 | 3.26 | 5.08 | 5.65 |
Altman Z-Score |
1.78 | 1.89 | 1.32 | 1.76 | 2.21 | 2.42 | 3.41 | 4.08 | 6.28 | 5.38 |
Altman Z″-Score (non-manufacturers) |
2.65 | 3.00 | 2.68 | 4.23 | 6.08 | 7.50 | 8.74 | 9.47 | 10.50 | 7.68 |
P/FCF ratio |
0.00 | 0.00 | 0.00 | 0.00 | 45.54 | 7.05 | 0.00 | 0.00 | 84.91 | 14.19 |
Beneish M-Score |
(2.71) | (3.24) | (2.37) | (3.26) | (3.25) | (1.63) | (2.67) | (3.05) | (2.33) | (3.17) |
P/Operating CF |
30.43 | 35.29 | (25.16) | 18.18 | 16.01 | 26.58 | 19.78 | 326.41 | 162.59 | 178.11 |
Dividend Safety Score |
31 | — | — | — | — | — | — | — | — | — |
P/B ratio |
1.54 | 1.30 | 0.82 | 0.60 | 0.58 | 0.50 | 0.65 | 0.82 | 1.34 | 1.74 |
Price to Tangible BV |
1.54 | 1.31 | 0.82 | 0.60 | 0.58 | 0.50 | 0.65 | 0.86 | 1.40 | 1.83 |
EV/Sales |
3.78 | 3.20 | 2.93 | 1.89 | 1.59 | 1.43 | 1.91 | 2.46 | 4.07 | 4.77 |
EV/EBITDA |
8.68 | 7.66 | 9.47 | 6.50 | 8.82 | 4.50 | 18.49 | 7.48 | 12.09 | 11.31 |
EV/Operating CF |
10.36 | 7.54 | 19.66 | 5.76 | 4.03 | 2.98 | 5.10 | 6.81 | 15.74 | 10.76 |
EV/FCF |
(11.15) | (101.09) | (2.62) | (4.33) | 38.13 | 5.46 | (3.70) | (9.89) | 68.02 | 11.97 |
Quick Ratio |
1.33 | 1.67 | 1.63 | 0.97 | 2.21 | 4.82 | 3.76 | 5.47 | 10.43 | 11.00 |
Current Ratio |
2.33 | 2.78 | 2.33 | 1.78 | 3.21 | 6.70 | 7.70 | 8.67 | 14.52 | 14.67 |
Net Debt/EBITDA |
3.06 | 2.57 | 4.31 | 0.88 | (1.75) | (1.31) | (1.33) | (2.42) | (3.02) | (2.11) |
Debt/Assets |
39.20% | 34.52% | 34.26% | 7.62% | 0.07% | 0.23% | 0.29% | 0.14% | 0.14% | 0.14% |
Debt/Equity |
0.84 | 0.67 | 0.70 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Asset Turnover |
0.32 | 0.32 | 0.30 | 0.27 | 0.24 | 0.23 | 0.27 | 0.22 | 0.23 | 0.25 |
Operating CF/Net income |
3.16 | 3.86 | 3.80 | (48.79) | (3.11) | 18.06 | (2.12) | (50.83) | 0.88 | 4.91 |
Capex/Depreciation |
(3.21) | (2.23) | (5.69) | (2.68) | (1.00) | (0.59) | (3.00) | (1.81) | (0.63) | (0.15) |
Interest Coverage |
2.75 | 2.79 | 2.56 | 1.18 | (190.89) | (257.07) | (1,010.20) | (7.35) | 105.07 | 1,053.75 |
| 7.52% | 7.02% | 2.04% | (0.24%) | (3.77%) | 0.72% | (5.47%) | (0.18%) | 8.07% | 2.83% | |
| 3.69% | 3.55% | 1.18% | (0.18%) | (3.03%) | 0.61% | (4.69%) | (0.15%) | 6.69% | 2.23% | |
ROIC |
4.62% | 4.92% | 1.65% | 0.11% | (3.64%) | (1.01%) | (4.00%) | (0.15%) | 0.49% | 3.11% |
Return on Tangible Assets |
37.51% | 32.02% | 7.40% | (1.24%) | (13.99%) | 2.16% | (23.59%) | (0.46%) | 18.26% | 6.70% |
Average Days of Receivables |
68.95 | 62.66 | 152.80 | 112.76 | 110.51 | 125.62 | 42.37 | 40.24 | 46.02 | 37.58 |
Research and Development Expense of Revenue |
0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Selling, General and Administrative Expense of Revenue |
13.01% | 13.41% | 13.98% | 16.08% | 14.86% | 15.50% | 13.65% | 13.89% | 14.89% | 12.58% |
Intangible Assets out of Total Assets |
0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.04 | 0.04 |
Share Based Compensation of Revenue |
1.23% | 1.16% | 1.70% | 2.25% | 2.40% | 3.23% | 3.29% | 3.64% | 5.97% | 3.21% |
Graham Net Nets |
(0.60) | (0.57) | (0.86) | (0.32) | 0.02 | 0.14 | 0.02 | 0.23 | 0.20 | 0.09 |
Graham Number |
28.09 | 25.26 | 12.96 | 0.00 | 0.00 | 7.74 | 0.00 | 0.00 | 26.10 | 14.51 |
Earnings Yield |
4.75% | 5.15% | 2.49% | (0.38%) | (6.69%) | 1.48% | (8.38%) | (0.19%) | 5.63% | 1.60% |
Free Cash Flow Yield |
(13.86%) | (1.49%) | (70.22%) | (26.81%) | 2.20% | 14.19% | (25.19%) | (7.65%) | 1.18% | 7.05% |
Revenue per Share |
13.74 | 12.63 | 9.84 | 6.89 | 5.53 | 5.15 | 5.98 | 5.05 | 5.28 | 5.64 |
Operating CF per Share |
5.02 | 5.35 | 1.46 | 2.26 | 2.18 | 2.47 | 2.24 | 1.83 | 1.36 | 2.50 |
Capex per Share |
(9.68) | (5.75) | (12.46) | (5.26) | (1.95) | (1.12) | (5.33) | (3.08) | (1.05) | (0.25) |
Free Cash Flow per Share |
(4.66) | (0.40) | (11.00) | (3.01) | 0.23 | 1.35 | (3.09) | (1.26) | 0.32 | 2.25 |
Cash per Share |
0.00 | 0.17 | 0.22 | 0.27 | 1.75 | 2.19 | 0.88 | 4.06 | 5.39 | 5.05 |
Shareholders Equity per Share |
21.91 | 20.55 | 19.15 | 18.70 | 18.01 | 19.02 | 18.89 | 19.99 | 20.05 | 18.34 |
Interest Debt per Share |
0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Book value per Share |
21.91 | 20.55 | 19.15 | 18.70 | 18.01 | 19.02 | 18.89 | 19.99 | 20.05 | 18.34 |
Free Cash Flow |
(58.47) | (4.95) | (135.43) | (36.99) | 3.01 | 17.79 | (40.50) | (16.31) | 4.05 | 28.57 |
Working Capital |
32.61 | 30.82 | 43.56 | 23.75 | 44.83 | 61.86 | 36.91 | 83.98 | 100.77 | 88.86 |
Capital Expenditures |
(121.39) | (71.42) | (153.47) | (64.75) | (25.51) | (14.86) | (69.91) | (40.00) | (13.45) | (3.22) |
Net Current Asset Value |
(254.95) | (189.29) | (166.56) | (44.02) | 2.51 | 17.46 | 3.53 | 49.95 | 67.24 | 34.79 |
EV/EBIT |
17.48 | 15.03 | 33.90 | 371.19 | 0.00 | 0.00 | 0.00 | 0.00 | 187.29 | 40.56 |
Capex to Sales |
0.70 | 0.46 | 1.27 | 0.76 | 0.35 | 0.22 | 0.89 | 0.61 | 0.20 | 0.04 |
Price to Operating Income |
11.31 | 9.98 | 18.44 | 320.04 | 0.00 | 0.00 | 0.00 | 0.00 | 233.77 | 48.07 |
| Other line items | ||||||||||
Depreciation/Fixed assets |
1.84 | 1.40 | 1.31 | 1.09 | 1.22 | 1.16 | 1.06 | 1.33 | 2.79 | 2.81 |
Cash ROIC |
(11.58%) | (1.16%) | (33.64%) | (14.31%) | 1.16% | 6.33% | (15.57%) | (5.22%) | 1.24% | 9.60% |
Accounts Receivable Turnover |
5.80 | 4.04 | 3.15 | 3.52 | 3.19 | 4.18 | 9.61 | 8.31 | 8.51 | 8.69 |
Accounts Payable Turnover |
6.05 | 5.04 | 5.18 | 8.22 | 12.66 | 16.30 | 21.63 | 11.08 | 13.46 | 29.01 |
Inventory Turnover |
3.71 | 3.46 | 2.77 | 2.17 | 2.31 | 1.73 | 1.73 | 1.23 | 1.45 | 1.30 |
Average Days of Payables |
71.44 | 51.33 | 103.02 | 51.03 | 38.58 | 24.45 | 16.27 | 22.25 | 43.97 | 11.12 |
Days of Inventory on Hand |
104.99 | 95.83 | 126.46 | 184.35 | 155.52 | 205.27 | 173.64 | 316.57 | 277.02 | 245.45 |
Average Receivables |
29.73 | 38.82 | 38.47 | 24.07 | 22.67 | 16.26 | 8.16 | 7.88 | 7.96 | 8.24 |
Average Payables |
11.86 | 13.65 | 12.05 | 5.64 | 3.58 | 2.17 | 2.05 | 3.14 | 2.57 | 1.10 |
Average Inventory |
19.35 | 19.85 | 22.53 | 21.37 | 19.63 | 20.50 | 25.64 | 28.21 | 23.83 | 24.58 |
Average Assets |
539.66 | 485.63 | 403.49 | 313.38 | 302.65 | 296.69 | 295.39 | 301.26 | 295.92 | 289.54 |
Average Common Equity |
264.89 | 245.48 | 232.92 | 232.93 | 243.73 | 249.62 | 253.46 | 258.28 | 245.14 | 228.47 |
Columns are period end dates