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

OCTAVE SPECIALTY GROUP INC is the larger business by last-quarter revenue ($66.9M vs $46.1M, roughly 1.4× NATURAL GAS SERVICES GROUP INC). NATURAL GAS SERVICES GROUP INC runs the higher net margin — 8.9% vs -73.8%, a 82.6% gap on every dollar of revenue. On growth, NATURAL GAS SERVICES GROUP INC posted the faster year-over-year revenue change (13.5% vs 2.6%).

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....

Octave Specialty Group Inc. is a specialty insurance holding company that provides tailored property and casualty insurance products. Its core business focuses on excess and surplus lines, catering to commercial and individual clients across primary North American markets with customized risk coverage solutions.

NGS vs OSG — Head-to-Head

Bigger by revenue
OSG
OSG
1.4× larger
OSG
$66.9M
$46.1M
NGS
Growing faster (revenue YoY)
NGS
NGS
+10.9% gap
NGS
13.5%
2.6%
OSG
Higher net margin
NGS
NGS
82.6% more per $
NGS
8.9%
-73.8%
OSG

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
NGS
NGS
OSG
OSG
Revenue
$46.1M
$66.9M
Net Profit
$4.1M
$-29.7M
Gross Margin
Operating Margin
15.4%
-76.7%
Net Margin
8.9%
-73.8%
Revenue YoY
13.5%
2.6%
Net Profit YoY
43.2%
-41.7%
EPS (diluted)
$0.32
$-0.82

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
OSG
OSG
Q4 25
$46.1M
$66.9M
Q3 25
$43.4M
$66.6M
Q2 25
$41.4M
$55.0M
Q1 25
$41.4M
$62.8M
Q4 24
$40.7M
$65.2M
Q3 24
$70.0M
Q2 24
$51.0M
Q1 24
$49.6M
Net Profit
NGS
NGS
OSG
OSG
Q4 25
$4.1M
$-29.7M
Q3 25
$5.8M
$-112.6M
Q2 25
$5.2M
$-72.7M
Q1 25
$4.9M
$-44.7M
Q4 24
$2.9M
$-20.9M
Q3 24
$-27.5M
Q2 24
$-750.0K
Q1 24
$20.8M
Operating Margin
NGS
NGS
OSG
OSG
Q4 25
15.4%
-76.7%
Q3 25
24.8%
-48.2%
Q2 25
24.0%
-41.8%
Q1 25
23.0%
-24.1%
Q4 24
14.9%
-55.5%
Q3 24
-29.7%
Q2 24
-28.9%
Q1 24
-6.5%
Net Margin
NGS
NGS
OSG
OSG
Q4 25
8.9%
-73.8%
Q3 25
13.3%
-169.1%
Q2 25
12.5%
-132.3%
Q1 25
11.7%
-71.3%
Q4 24
7.0%
-55.1%
Q3 24
-39.3%
Q2 24
-1.5%
Q1 24
41.9%
EPS (diluted)
NGS
NGS
OSG
OSG
Q4 25
$0.32
$-0.82
Q3 25
$0.46
$-2.35
Q2 25
$0.41
$-1.54
Q1 25
$0.38
$-1.22
Q4 24
$0.22
$-11.75
Q3 24
$-0.63
Q2 24
$-0.02
Q1 24
$0.44

Balance Sheet & Financial Strength

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

Metric
NGS
NGS
OSG
OSG
Cash + ST InvestmentsLiquidity on hand
$146.4M
Total DebtLower is stronger
$117.6M
Stockholders' EquityBook value
$274.7M
$715.8M
Total Assets
$586.8M
$2.2B
Debt / EquityLower = less leverage
0.16×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NGS
NGS
OSG
OSG
Q4 25
$146.4M
Q3 25
$27.5M
Q2 25
$325.0K
$22.5M
Q1 25
$2.1M
$34.1M
Q4 24
$2.1M
$157.2M
Q3 24
$40.8M
Q2 24
$14.6M
Q1 24
$13.8M
Total Debt
NGS
NGS
OSG
OSG
Q4 25
$117.6M
Q3 25
Q2 25
Q1 25
Q4 24
$0
Q3 24
$518.0M
Q2 24
$515.0M
Q1 24
$512.0M
Stockholders' Equity
NGS
NGS
OSG
OSG
Q4 25
$274.7M
$715.8M
Q3 25
$271.4M
$843.4M
Q2 25
$266.2M
$859.8M
Q1 25
$260.3M
$852.2M
Q4 24
$255.1M
$798.4M
Q3 24
$1.5B
Q2 24
$1.4B
Q1 24
$1.4B
Total Assets
NGS
NGS
OSG
OSG
Q4 25
$586.8M
$2.2B
Q3 25
$562.3M
$2.1B
Q2 25
$525.5M
$8.5B
Q1 25
$501.7M
$8.3B
Q4 24
$492.5M
$8.1B
Q3 24
$9.3B
Q2 24
$8.2B
Q1 24
$8.4B
Debt / Equity
NGS
NGS
OSG
OSG
Q4 25
0.16×
Q3 25
Q2 25
Q1 25
Q4 24
0.00×
Q3 24
0.35×
Q2 24
0.38×
Q1 24
0.38×

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
OSG
OSG
Operating Cash FlowLast quarter
$13.9M
$-52.3M
Free Cash FlowOCF − Capex
$-20.7M
FCF MarginFCF / Revenue
-44.8%
Capex IntensityCapex / Revenue
74.9%
Cash ConversionOCF / Net Profit
3.38×
TTM Free Cash FlowTrailing 4 quarters
$-58.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NGS
NGS
OSG
OSG
Q4 25
$13.9M
$-52.3M
Q3 25
$16.8M
$-41.2M
Q2 25
$11.0M
$2.1M
Q1 25
$21.3M
$-12.6M
Q4 24
$9.4M
$762.0K
Q3 24
$48.9M
Q2 24
$20.4M
Q1 24
$7.1M
Free Cash Flow
NGS
NGS
OSG
OSG
Q4 25
$-20.7M
Q3 25
$-25.1M
Q2 25
$-14.8M
Q1 25
$2.0M
Q4 24
$-5.1M
Q3 24
Q2 24
Q1 24
FCF Margin
NGS
NGS
OSG
OSG
Q4 25
-44.8%
Q3 25
-57.7%
Q2 25
-35.8%
Q1 25
4.9%
Q4 24
-12.6%
Q3 24
Q2 24
Q1 24
Capex Intensity
NGS
NGS
OSG
OSG
Q4 25
74.9%
Q3 25
96.5%
Q2 25
62.4%
Q1 25
46.5%
Q4 24
35.8%
Q3 24
Q2 24
Q1 24
Cash Conversion
NGS
NGS
OSG
OSG
Q4 25
3.38×
Q3 25
2.90×
Q2 25
2.12×
Q1 25
4.38×
Q4 24
3.29×
Q3 24
Q2 24
Q1 24
0.34×

Financial Flow Comparison

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

Revenue Breakdown by Segment

NGS
NGS

Segment breakdown not available.

OSG
OSG

Other$28.7M43%
Specialty Property Casualty Program$23.1M34%
Accident Health$9.6M14%
Specialty Automobile$3.1M5%
Niche Specialty Risks$2.4M4%

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