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Side-by-side financial comparison of NATURAL GAS SERVICES GROUP INC (NGS) and OneSpan Inc. (OSPN). Click either name above to swap in a different company.

OneSpan Inc. is the larger business by last-quarter revenue ($65.9M vs $46.1M, roughly 1.4× NATURAL GAS SERVICES GROUP INC). OneSpan Inc. runs the higher net margin — 17.5% vs 8.9%, a 8.6% gap on every dollar of revenue. On growth, NATURAL GAS SERVICES GROUP INC posted the faster year-over-year revenue change (13.5% vs 4.1%).

Southern Company Gas, formerly AGL Resources, is an American Fortune 500 energy services holding company headquartered in Atlanta, Georgia. The company's operations consist of natural gas distribution, wholesale services, retail operations, and midstream operations. Southern Company Gas is one of the largest natural gas distribution companies in the United States. The company serves approximately 4.5 million utility customers through its regulated distribution subsidiaries across four states....

OneSpan Inc. is an information security company based in Boston, Massachusetts. Services include an internet fraud prevention platform, multi-factor authentication tools and electronic signature software.

NGS vs OSPN — Head-to-Head

Bigger by revenue
OSPN
OSPN
1.4× larger
OSPN
$65.9M
$46.1M
NGS
Growing faster (revenue YoY)
NGS
NGS
+9.4% gap
NGS
13.5%
4.1%
OSPN
Higher net margin
OSPN
OSPN
8.6% more per $
OSPN
17.5%
8.9%
NGS

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
NGS
NGS
OSPN
OSPN
Revenue
$46.1M
$65.9M
Net Profit
$4.1M
$11.6M
Gross Margin
73.6%
Operating Margin
15.4%
22.5%
Net Margin
8.9%
17.5%
Revenue YoY
13.5%
4.1%
Net Profit YoY
43.2%
EPS (diluted)
$0.32
$0.39

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
NGS
NGS
OSPN
OSPN
Q1 26
$65.9M
Q4 25
$46.1M
$62.9M
Q3 25
$43.4M
$57.1M
Q2 25
$41.4M
$59.8M
Q1 25
$41.4M
$63.4M
Q4 24
$40.7M
$61.2M
Q3 24
$56.2M
Q2 24
$60.9M
Net Profit
NGS
NGS
OSPN
OSPN
Q1 26
$11.6M
Q4 25
$4.1M
$43.5M
Q3 25
$5.8M
$6.5M
Q2 25
$5.2M
$8.3M
Q1 25
$4.9M
$14.5M
Q4 24
$2.9M
$28.8M
Q3 24
$8.3M
Q2 24
$6.6M
Gross Margin
NGS
NGS
OSPN
OSPN
Q1 26
73.6%
Q4 25
73.6%
Q3 25
73.6%
Q2 25
73.5%
Q1 25
74.3%
Q4 24
74.0%
Q3 24
73.9%
Q2 24
66.2%
Operating Margin
NGS
NGS
OSPN
OSPN
Q1 26
22.5%
Q4 25
15.4%
19.9%
Q3 25
24.8%
14.4%
Q2 25
24.0%
17.6%
Q1 25
23.0%
27.1%
Q4 24
14.9%
19.3%
Q3 24
20.0%
Q2 24
12.5%
Net Margin
NGS
NGS
OSPN
OSPN
Q1 26
17.5%
Q4 25
8.9%
69.2%
Q3 25
13.3%
11.4%
Q2 25
12.5%
13.9%
Q1 25
11.7%
22.9%
Q4 24
7.0%
47.1%
Q3 24
14.7%
Q2 24
10.8%
EPS (diluted)
NGS
NGS
OSPN
OSPN
Q1 26
$0.39
Q4 25
$0.32
$1.13
Q3 25
$0.46
$0.17
Q2 25
$0.41
$0.21
Q1 25
$0.38
$0.37
Q4 24
$0.22
$0.73
Q3 24
$0.21
Q2 24
$0.17

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
NGS
NGS
OSPN
OSPN
Cash + ST InvestmentsLiquidity on hand
$49.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$274.7M
$272.0M
Total Assets
$586.8M
$383.1M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NGS
NGS
OSPN
OSPN
Q1 26
$49.8M
Q4 25
$70.5M
Q3 25
$85.6M
Q2 25
$325.0K
$92.9M
Q1 25
$2.1M
$105.2M
Q4 24
$2.1M
$83.2M
Q3 24
$77.5M
Q2 24
$63.8M
Stockholders' Equity
NGS
NGS
OSPN
OSPN
Q1 26
$272.0M
Q4 25
$274.7M
$271.8M
Q3 25
$271.4M
$238.3M
Q2 25
$266.2M
$242.5M
Q1 25
$260.3M
$231.1M
Q4 24
$255.1M
$212.5M
Q3 24
$194.6M
Q2 24
$178.6M
Total Assets
NGS
NGS
OSPN
OSPN
Q1 26
$383.1M
Q4 25
$586.8M
$397.7M
Q3 25
$562.3M
$343.5M
Q2 25
$525.5M
$357.1M
Q1 25
$501.7M
$333.8M
Q4 24
$492.5M
$338.7M
Q3 24
$289.3M
Q2 24
$286.9M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
NGS
NGS
OSPN
OSPN
Operating Cash FlowLast quarter
$13.9M
$28.2M
Free Cash FlowOCF − Capex
$-20.7M
FCF MarginFCF / Revenue
-44.8%
Capex IntensityCapex / Revenue
74.9%
Cash ConversionOCF / Net Profit
3.38×
2.44×
TTM Free Cash FlowTrailing 4 quarters
$-58.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NGS
NGS
OSPN
OSPN
Q1 26
$28.2M
Q4 25
$13.9M
$12.6M
Q3 25
$16.8M
$11.3M
Q2 25
$11.0M
$6.2M
Q1 25
$21.3M
$29.4M
Q4 24
$9.4M
$12.4M
Q3 24
$14.0M
Q2 24
$2.3M
Free Cash Flow
NGS
NGS
OSPN
OSPN
Q1 26
Q4 25
$-20.7M
$9.6M
Q3 25
$-25.1M
$8.8M
Q2 25
$-14.8M
$4.4M
Q1 25
$2.0M
$27.7M
Q4 24
$-5.1M
$10.5M
Q3 24
$12.0M
Q2 24
$26.0K
FCF Margin
NGS
NGS
OSPN
OSPN
Q1 26
Q4 25
-44.8%
15.3%
Q3 25
-57.7%
15.4%
Q2 25
-35.8%
7.3%
Q1 25
4.9%
43.8%
Q4 24
-12.6%
17.1%
Q3 24
21.4%
Q2 24
0.0%
Capex Intensity
NGS
NGS
OSPN
OSPN
Q1 26
Q4 25
74.9%
4.7%
Q3 25
96.5%
4.4%
Q2 25
62.4%
3.1%
Q1 25
46.5%
2.6%
Q4 24
35.8%
3.2%
Q3 24
3.5%
Q2 24
3.7%
Cash Conversion
NGS
NGS
OSPN
OSPN
Q1 26
2.44×
Q4 25
3.38×
0.29×
Q3 25
2.90×
1.74×
Q2 25
2.12×
0.75×
Q1 25
4.38×
2.02×
Q4 24
3.29×
0.43×
Q3 24
1.69×
Q2 24
0.35×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

NGS
NGS

Segment breakdown not available.

OSPN
OSPN

Product and license$35.5M54%
Services and other$30.4M46%

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