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Side-by-side financial comparison of Charles River Laboratories (CRL) and NATIONAL FUEL GAS CO (NFG). Click either name above to swap in a different company.

Charles River Laboratories is the larger business by last-quarter revenue ($994.2M vs $637.9M, roughly 1.6× NATIONAL FUEL GAS CO). NATIONAL FUEL GAS CO runs the higher net margin — 28.5% vs -27.8%, a 56.3% gap on every dollar of revenue. On growth, NATIONAL FUEL GAS CO posted the faster year-over-year revenue change (24.1% vs -0.8%). Charles River Laboratories produced more free cash flow last quarter ($58.6M vs $-2.7M). Over the past eight quarters, NATIONAL FUEL GAS CO's revenue compounded faster (6.9% CAGR vs -0.9%).

Charles River Laboratories International, Inc. is an American pharmaceutical and biotechnology contract research organisation (CRO) headquartered in Wilmington, Massachusetts, United States. Founded in 1947, the company provides preclinical and clinical laboratory services for the development of new drugs, vaccines, and medical devices.

National Fuel Gas Company is a diversified energy company with $6.2 billion in assets distributed among the following five operating segments: Exploration and Production, Pipeline and Storage, Gathering, Utility, and Energy Marketing. National Fuel Gas was incorporated in 1902 and is based in Williamsville, New York.

CRL vs NFG — Head-to-Head

Bigger by revenue
CRL
CRL
1.6× larger
CRL
$994.2M
$637.9M
NFG
Growing faster (revenue YoY)
NFG
NFG
+25.0% gap
NFG
24.1%
-0.8%
CRL
Higher net margin
NFG
NFG
56.3% more per $
NFG
28.5%
-27.8%
CRL
More free cash flow
CRL
CRL
$61.3M more FCF
CRL
$58.6M
$-2.7M
NFG
Faster 2-yr revenue CAGR
NFG
NFG
Annualised
NFG
6.9%
-0.9%
CRL

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
CRL
CRL
NFG
NFG
Revenue
$994.2M
$637.9M
Net Profit
$-276.6M
$181.6M
Gross Margin
86.6%
Operating Margin
-28.5%
43.3%
Net Margin
-27.8%
28.5%
Revenue YoY
-0.8%
24.1%
Net Profit YoY
-28.9%
303.8%
EPS (diluted)
$-5.57
$1.98

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
CRL
CRL
NFG
NFG
Q4 25
$994.2M
$637.9M
Q3 25
$1.0B
$443.1M
Q2 25
$1.0B
$527.4M
Q1 25
$984.2M
$734.8M
Q4 24
$1.0B
$513.8M
Q3 24
$1.0B
$310.0M
Q2 24
$1.0B
$338.6M
Q1 24
$1.0B
$558.7M
Net Profit
CRL
CRL
NFG
NFG
Q4 25
$-276.6M
$181.6M
Q3 25
$54.4M
$107.3M
Q2 25
$52.3M
$149.8M
Q1 25
$25.5M
$216.4M
Q4 24
$-214.5M
$45.0M
Q3 24
$69.7M
$-167.6M
Q2 24
$94.1M
$-54.2M
Q1 24
$73.0M
$166.3M
Gross Margin
CRL
CRL
NFG
NFG
Q4 25
86.6%
Q3 25
Q2 25
94.7%
Q1 25
81.6%
Q4 24
87.3%
Q3 24
34.6%
Q2 24
34.5%
98.5%
Q1 24
34.1%
81.0%
Operating Margin
CRL
CRL
NFG
NFG
Q4 25
-28.5%
43.3%
Q3 25
13.3%
40.6%
Q2 25
9.7%
43.7%
Q1 25
7.6%
43.2%
Q4 24
-16.7%
16.8%
Q3 24
11.6%
-63.4%
Q2 24
14.8%
-15.2%
Q1 24
12.5%
44.9%
Net Margin
CRL
CRL
NFG
NFG
Q4 25
-27.8%
28.5%
Q3 25
5.4%
24.2%
Q2 25
5.1%
28.4%
Q1 25
2.6%
29.4%
Q4 24
-21.4%
8.8%
Q3 24
6.9%
-54.1%
Q2 24
9.2%
-16.0%
Q1 24
7.2%
29.8%
EPS (diluted)
CRL
CRL
NFG
NFG
Q4 25
$-5.57
$1.98
Q3 25
$1.10
$1.18
Q2 25
$1.06
$1.64
Q1 25
$0.50
$2.37
Q4 24
$-4.17
$0.49
Q3 24
$1.33
$-1.81
Q2 24
$1.74
$-0.59
Q1 24
$1.30
$1.80

Balance Sheet & Financial Strength

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

Metric
CRL
CRL
NFG
NFG
Cash + ST InvestmentsLiquidity on hand
$213.8M
$271.4M
Total DebtLower is stronger
$2.1B
$2.7B
Stockholders' EquityBook value
$3.2B
$3.6B
Total Assets
$7.1B
$9.2B
Debt / EquityLower = less leverage
0.68×
0.75×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CRL
CRL
NFG
NFG
Q4 25
$213.8M
$271.4M
Q3 25
$207.1M
$43.2M
Q2 25
$182.8M
$39.3M
Q1 25
$229.4M
$40.0M
Q4 24
$194.6M
$48.7M
Q3 24
$210.2M
$38.2M
Q2 24
$179.2M
$81.4M
Q1 24
$327.0M
$50.8M
Total Debt
CRL
CRL
NFG
NFG
Q4 25
$2.1B
$2.7B
Q3 25
$2.2B
$2.7B
Q2 25
$2.3B
$2.7B
Q1 25
$2.5B
$2.7B
Q4 24
$2.2B
$2.7B
Q3 24
$2.3B
$2.7B
Q2 24
$2.4B
$2.7B
Q1 24
$2.7B
$2.4B
Stockholders' Equity
CRL
CRL
NFG
NFG
Q4 25
$3.2B
$3.6B
Q3 25
$3.4B
$3.1B
Q2 25
$3.4B
$3.0B
Q1 25
$3.2B
$2.8B
Q4 24
$3.5B
$-76.2M
Q3 24
$3.8B
$-15.5M
Q2 24
$3.7B
$5.0M
Q1 24
$3.6B
$75.3M
Total Assets
CRL
CRL
NFG
NFG
Q4 25
$7.1B
$9.2B
Q3 25
$7.5B
$8.7B
Q2 25
$7.6B
$8.4B
Q1 25
$7.6B
$8.5B
Q4 24
$7.5B
$8.3B
Q3 24
$8.0B
$8.3B
Q2 24
$7.9B
$8.5B
Q1 24
$8.2B
$8.7B
Debt / Equity
CRL
CRL
NFG
NFG
Q4 25
0.68×
0.75×
Q3 25
0.64×
0.87×
Q2 25
0.70×
0.90×
Q1 25
0.79×
0.99×
Q4 24
0.65×
Q3 24
0.62×
Q2 24
0.65×
532.10×
Q1 24
0.73×
31.68×

Cash Flow & Capital Efficiency

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

Metric
CRL
CRL
NFG
NFG
Operating Cash FlowLast quarter
$147.5M
$274.9M
Free Cash FlowOCF − Capex
$58.6M
$-2.7M
FCF MarginFCF / Revenue
5.9%
-0.4%
Capex IntensityCapex / Revenue
8.9%
43.5%
Cash ConversionOCF / Net Profit
1.51×
TTM Free Cash FlowTrailing 4 quarters
$518.5M
$204.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CRL
CRL
NFG
NFG
Q4 25
$147.5M
$274.9M
Q3 25
$213.8M
$237.8M
Q2 25
$204.6M
$388.4M
Q1 25
$171.7M
$253.8M
Q4 24
$159.4M
$220.1M
Q3 24
$251.8M
$197.9M
Q2 24
$193.5M
$281.8M
Q1 24
$129.9M
$315.3M
Free Cash Flow
CRL
CRL
NFG
NFG
Q4 25
$58.6M
$-2.7M
Q3 25
$178.2M
$-47.8M
Q2 25
$169.3M
$195.3M
Q1 25
$112.4M
$59.9M
Q4 24
$83.7M
$-20.3M
Q3 24
$213.1M
$-49.1M
Q2 24
$154.0M
$79.5M
Q1 24
$50.7M
$80.3M
FCF Margin
CRL
CRL
NFG
NFG
Q4 25
5.9%
-0.4%
Q3 25
17.7%
-10.8%
Q2 25
16.4%
37.0%
Q1 25
11.4%
8.2%
Q4 24
8.4%
-4.0%
Q3 24
21.1%
-15.8%
Q2 24
15.0%
23.5%
Q1 24
5.0%
14.4%
Capex Intensity
CRL
CRL
NFG
NFG
Q4 25
8.9%
43.5%
Q3 25
3.5%
64.4%
Q2 25
3.4%
36.6%
Q1 25
6.0%
26.4%
Q4 24
7.5%
46.8%
Q3 24
3.8%
79.7%
Q2 24
3.8%
59.7%
Q1 24
7.8%
42.1%
Cash Conversion
CRL
CRL
NFG
NFG
Q4 25
1.51×
Q3 25
3.93×
2.21×
Q2 25
3.91×
2.59×
Q1 25
6.74×
1.17×
Q4 24
4.89×
Q3 24
3.61×
Q2 24
2.06×
Q1 24
1.78×
1.90×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CRL
CRL

Discovery And Safety Assessment Segment$591.6M60%
Manufacturing Support Segment$196.4M20%
Transferred At Point In Time$108.0M11%
Transferred Over Time$98.3M10%

NFG
NFG

Natural Gas Production$302.5M47%
Natural Gas Residential Sales$198.0M31%
Pipeline And Storage$69.2M11%
Natural Gas Commercial Sales$27.9M4%
Natural Gas Storage$25.1M4%
Other$4.1M1%
Natural Gas Midstream$2.8M0%

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