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