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

Core Laboratories Inc. is the larger business by last-quarter revenue ($138.3M vs $46.1M, roughly 3.0× NATURAL GAS SERVICES GROUP INC). NATURAL GAS SERVICES GROUP INC runs the higher net margin — 8.9% vs 3.6%, a 5.3% gap on every dollar of revenue. On growth, NATURAL GAS SERVICES GROUP INC posted the faster year-over-year revenue change (13.5% vs 7.0%). Core Laboratories Inc. produced more free cash flow last quarter ($5.0M vs $-20.7M). Over the past eight quarters, NATURAL GAS SERVICES GROUP INC's revenue compounded faster (281.4% CAGR vs 3.3%).

Abbott Laboratories, commonly known as Abbott, is an American multinational medical devices and health care company with headquarters in Abbott Park, Illinois. The company produces pharmaceuticals for sale outside the United States, diagnostic products, nutritional products, and medical devices.

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....

CLB vs NGS — Head-to-Head

Bigger by revenue
CLB
CLB
3.0× larger
CLB
$138.3M
$46.1M
NGS
Growing faster (revenue YoY)
NGS
NGS
+6.5% gap
NGS
13.5%
7.0%
CLB
Higher net margin
NGS
NGS
5.3% more per $
NGS
8.9%
3.6%
CLB
More free cash flow
CLB
CLB
$25.7M more FCF
CLB
$5.0M
$-20.7M
NGS
Faster 2-yr revenue CAGR
NGS
NGS
Annualised
NGS
281.4%
3.3%
CLB

Income Statement — Q4 2025 vs Q4 2025

Metric
CLB
CLB
NGS
NGS
Revenue
$138.3M
$46.1M
Net Profit
$4.9M
$4.1M
Gross Margin
20.8%
Operating Margin
11.5%
15.4%
Net Margin
3.6%
8.9%
Revenue YoY
7.0%
13.5%
Net Profit YoY
-33.2%
43.2%
EPS (diluted)
$0.11
$0.32

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
CLB
CLB
NGS
NGS
Q4 25
$138.3M
$46.1M
Q3 25
$134.5M
$43.4M
Q2 25
$130.2M
$41.4M
Q1 25
$123.6M
$41.4M
Q4 24
$129.2M
$40.7M
Q3 24
$134.4M
$3.3M
Q2 24
$130.6M
$3.6M
Q1 24
$129.6M
$3.2M
Net Profit
CLB
CLB
NGS
NGS
Q4 25
$4.9M
$4.1M
Q3 25
$14.2M
$5.8M
Q2 25
$10.6M
$5.2M
Q1 25
$-154.0K
$4.9M
Q4 24
$7.4M
$2.9M
Q3 24
$11.7M
$5.0M
Q2 24
$9.0M
$4.3M
Q1 24
$3.2M
$5.1M
Gross Margin
CLB
CLB
NGS
NGS
Q4 25
20.8%
Q3 25
22.0%
Q2 25
20.3%
Q1 25
19.5%
Q4 24
17.8%
Q3 24
20.5%
Q2 24
21.2%
Q1 24
19.3%
Operating Margin
CLB
CLB
NGS
NGS
Q4 25
11.5%
15.4%
Q3 25
15.6%
24.8%
Q2 25
11.7%
24.0%
Q1 25
3.6%
23.0%
Q4 24
11.0%
14.9%
Q3 24
14.7%
Q2 24
12.3%
Q1 24
6.6%
Net Margin
CLB
CLB
NGS
NGS
Q4 25
3.6%
8.9%
Q3 25
10.6%
13.3%
Q2 25
8.2%
12.5%
Q1 25
-0.1%
11.7%
Q4 24
5.7%
7.0%
Q3 24
8.7%
150.3%
Q2 24
6.9%
119.2%
Q1 24
2.5%
160.7%
EPS (diluted)
CLB
CLB
NGS
NGS
Q4 25
$0.11
$0.32
Q3 25
$0.30
$0.46
Q2 25
$0.22
$0.41
Q1 25
$0.00
$0.38
Q4 24
$0.15
$0.22
Q3 24
$0.25
$0.40
Q2 24
$0.19
$0.34
Q1 24
$0.07
$0.41

Balance Sheet & Financial Strength

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

Metric
CLB
CLB
NGS
NGS
Cash + ST InvestmentsLiquidity on hand
$22.7M
Total DebtLower is stronger
$110.3M
Stockholders' EquityBook value
$266.0M
$274.7M
Total Assets
$584.0M
$586.8M
Debt / EquityLower = less leverage
0.41×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CLB
CLB
NGS
NGS
Q4 25
$22.7M
Q3 25
$25.6M
Q2 25
$31.2M
$325.0K
Q1 25
$22.1M
$2.1M
Q4 24
$19.2M
$2.1M
Q3 24
$21.5M
$410.0K
Q2 24
$17.7M
$3.6M
Q1 24
$14.9M
$5.2M
Total Debt
CLB
CLB
NGS
NGS
Q4 25
$110.3M
Q3 25
$114.1M
Q2 25
$124.6M
Q1 25
$124.4M
Q4 24
$126.1M
Q3 24
$139.9M
Q2 24
$147.6M
$163.0M
Q1 24
$160.4M
$172.0M
Stockholders' Equity
CLB
CLB
NGS
NGS
Q4 25
$266.0M
$274.7M
Q3 25
$271.3M
$271.4M
Q2 25
$261.3M
$266.2M
Q1 25
$253.4M
$260.3M
Q4 24
$246.6M
$255.1M
Q3 24
$250.7M
$251.2M
Q2 24
$240.3M
$245.7M
Q1 24
$232.2M
$241.3M
Total Assets
CLB
CLB
NGS
NGS
Q4 25
$584.0M
$586.8M
Q3 25
$591.4M
$562.3M
Q2 25
$602.1M
$525.5M
Q1 25
$591.5M
$501.7M
Q4 24
$585.1M
$492.5M
Q3 24
$600.5M
$498.1M
Q2 24
$597.8M
$489.2M
Q1 24
$597.8M
$486.2M
Debt / Equity
CLB
CLB
NGS
NGS
Q4 25
0.41×
Q3 25
0.42×
Q2 25
0.48×
Q1 25
0.49×
Q4 24
0.51×
Q3 24
0.56×
Q2 24
0.61×
0.66×
Q1 24
0.69×
0.71×

Cash Flow & Capital Efficiency

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

Metric
CLB
CLB
NGS
NGS
Operating Cash FlowLast quarter
$7.9M
$13.9M
Free Cash FlowOCF − Capex
$5.0M
$-20.7M
FCF MarginFCF / Revenue
3.6%
-44.8%
Capex IntensityCapex / Revenue
2.1%
74.9%
Cash ConversionOCF / Net Profit
1.61×
3.38×
TTM Free Cash FlowTrailing 4 quarters
$25.8M
$-58.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CLB
CLB
NGS
NGS
Q4 25
$7.9M
$13.9M
Q3 25
$8.5M
$16.8M
Q2 25
$13.9M
$11.0M
Q1 25
$6.7M
$21.3M
Q4 24
$20.6M
$9.4M
Q3 24
$13.1M
$25.9M
Q2 24
$17.1M
$25.5M
Q1 24
$5.5M
$5.6M
Free Cash Flow
CLB
CLB
NGS
NGS
Q4 25
$5.0M
$-20.7M
Q3 25
$6.5M
$-25.1M
Q2 25
$10.4M
$-14.8M
Q1 25
$3.9M
$2.0M
Q4 24
$17.4M
$-5.1M
Q3 24
$10.4M
$-3.2M
Q2 24
$14.3M
$8.2M
Q1 24
$2.5M
$-5.3M
FCF Margin
CLB
CLB
NGS
NGS
Q4 25
3.6%
-44.8%
Q3 25
4.8%
-57.7%
Q2 25
8.0%
-35.8%
Q1 25
3.1%
4.9%
Q4 24
13.4%
-12.6%
Q3 24
7.7%
-95.0%
Q2 24
10.9%
229.5%
Q1 24
1.9%
-167.8%
Capex Intensity
CLB
CLB
NGS
NGS
Q4 25
2.1%
74.9%
Q3 25
1.5%
96.5%
Q2 25
2.7%
62.4%
Q1 25
2.3%
46.5%
Q4 24
2.5%
35.8%
Q3 24
2.0%
871.9%
Q2 24
2.2%
486.1%
Q1 24
2.4%
344.5%
Cash Conversion
CLB
CLB
NGS
NGS
Q4 25
1.61×
3.38×
Q3 25
0.60×
2.90×
Q2 25
1.31×
2.12×
Q1 25
4.38×
Q4 24
2.78×
3.29×
Q3 24
1.12×
5.17×
Q2 24
1.90×
6.00×
Q1 24
1.72×
1.10×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CLB
CLB

Services$107.0M77%
Products$31.3M23%

NGS
NGS

Segment breakdown not available.

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