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Side-by-side financial comparison of AAR CORP (AIR) and NATIONAL FUEL GAS CO (NFG). Click either name above to swap in a different company.

AAR CORP is the larger business by last-quarter revenue ($795.3M vs $637.9M, roughly 1.2× NATIONAL FUEL GAS CO). NATIONAL FUEL GAS CO runs the higher net margin — 28.5% vs 4.4%, a 24.1% gap on every dollar of revenue. On growth, NATIONAL FUEL GAS CO posted the faster year-over-year revenue change (24.1% vs 15.9%). AAR CORP produced more free cash flow last quarter ($6.2M vs $-2.7M).

AAR Corp. is an American provider of aircraft maintenance services to commercial and government customers worldwide. The company is headquartered in Wood Dale, Illinois, a Chicago suburb. The company employs about 6,000 people, operating in about 30 different countries. John Holmes is the current CEO.

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.

AIR vs NFG — Head-to-Head

Bigger by revenue
AIR
AIR
1.2× larger
AIR
$795.3M
$637.9M
NFG
Growing faster (revenue YoY)
NFG
NFG
+8.2% gap
NFG
24.1%
15.9%
AIR
Higher net margin
NFG
NFG
24.1% more per $
NFG
28.5%
4.4%
AIR
More free cash flow
AIR
AIR
$8.9M more FCF
AIR
$6.2M
$-2.7M
NFG

Income Statement — Q2 FY2026 vs Q1 FY2026

Metric
AIR
AIR
NFG
NFG
Revenue
$795.3M
$637.9M
Net Profit
$34.6M
$181.6M
Gross Margin
19.7%
86.6%
Operating Margin
6.0%
43.3%
Net Margin
4.4%
28.5%
Revenue YoY
15.9%
24.1%
Net Profit YoY
213.1%
303.8%
EPS (diluted)
$0.90
$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
AIR
AIR
NFG
NFG
Q4 25
$795.3M
$637.9M
Q3 25
$739.6M
$443.1M
Q2 25
$527.4M
Q1 25
$734.8M
Q4 24
$513.8M
Q3 24
$310.0M
Q2 24
$338.6M
Q1 24
$558.7M
Net Profit
AIR
AIR
NFG
NFG
Q4 25
$34.6M
$181.6M
Q3 25
$34.4M
$107.3M
Q2 25
$149.8M
Q1 25
$216.4M
Q4 24
$45.0M
Q3 24
$-167.6M
Q2 24
$-54.2M
Q1 24
$166.3M
Gross Margin
AIR
AIR
NFG
NFG
Q4 25
19.7%
86.6%
Q3 25
18.1%
Q2 25
94.7%
Q1 25
81.6%
Q4 24
87.3%
Q3 24
Q2 24
98.5%
Q1 24
81.0%
Operating Margin
AIR
AIR
NFG
NFG
Q4 25
6.0%
43.3%
Q3 25
6.4%
40.6%
Q2 25
43.7%
Q1 25
43.2%
Q4 24
16.8%
Q3 24
-63.4%
Q2 24
-15.2%
Q1 24
44.9%
Net Margin
AIR
AIR
NFG
NFG
Q4 25
4.4%
28.5%
Q3 25
4.7%
24.2%
Q2 25
28.4%
Q1 25
29.4%
Q4 24
8.8%
Q3 24
-54.1%
Q2 24
-16.0%
Q1 24
29.8%
EPS (diluted)
AIR
AIR
NFG
NFG
Q4 25
$0.90
$1.98
Q3 25
$0.95
$1.18
Q2 25
$1.64
Q1 25
$2.37
Q4 24
$0.49
Q3 24
$-1.81
Q2 24
$-0.59
Q1 24
$1.80

Balance Sheet & Financial Strength

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

Metric
AIR
AIR
NFG
NFG
Cash + ST InvestmentsLiquidity on hand
$75.6M
$271.4M
Total DebtLower is stronger
$952.7M
$2.7B
Stockholders' EquityBook value
$1.6B
$3.6B
Total Assets
$3.2B
$9.2B
Debt / EquityLower = less leverage
0.61×
0.75×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AIR
AIR
NFG
NFG
Q4 25
$75.6M
$271.4M
Q3 25
$80.0M
$43.2M
Q2 25
$39.3M
Q1 25
$40.0M
Q4 24
$48.7M
Q3 24
$38.2M
Q2 24
$81.4M
Q1 24
$50.8M
Total Debt
AIR
AIR
NFG
NFG
Q4 25
$952.7M
$2.7B
Q3 25
$1.0B
$2.7B
Q2 25
$2.7B
Q1 25
$2.7B
Q4 24
$2.7B
Q3 24
$2.7B
Q2 24
$2.7B
Q1 24
$2.4B
Stockholders' Equity
AIR
AIR
NFG
NFG
Q4 25
$1.6B
$3.6B
Q3 25
$1.2B
$3.1B
Q2 25
$3.0B
Q1 25
$2.8B
Q4 24
$-76.2M
Q3 24
$-15.5M
Q2 24
$5.0M
Q1 24
$75.3M
Total Assets
AIR
AIR
NFG
NFG
Q4 25
$3.2B
$9.2B
Q3 25
$2.9B
$8.7B
Q2 25
$8.4B
Q1 25
$8.5B
Q4 24
$8.3B
Q3 24
$8.3B
Q2 24
$8.5B
Q1 24
$8.7B
Debt / Equity
AIR
AIR
NFG
NFG
Q4 25
0.61×
0.75×
Q3 25
0.82×
0.87×
Q2 25
0.90×
Q1 25
0.99×
Q4 24
Q3 24
Q2 24
532.10×
Q1 24
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
AIR
AIR
NFG
NFG
Operating Cash FlowLast quarter
$13.6M
$274.9M
Free Cash FlowOCF − Capex
$6.2M
$-2.7M
FCF MarginFCF / Revenue
0.8%
-0.4%
Capex IntensityCapex / Revenue
0.9%
43.5%
Cash ConversionOCF / Net Profit
0.39×
1.51×
TTM Free Cash FlowTrailing 4 quarters
$204.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AIR
AIR
NFG
NFG
Q4 25
$13.6M
$274.9M
Q3 25
$-44.9M
$237.8M
Q2 25
$388.4M
Q1 25
$253.8M
Q4 24
$220.1M
Q3 24
$197.9M
Q2 24
$281.8M
Q1 24
$315.3M
Free Cash Flow
AIR
AIR
NFG
NFG
Q4 25
$6.2M
$-2.7M
Q3 25
$-53.6M
$-47.8M
Q2 25
$195.3M
Q1 25
$59.9M
Q4 24
$-20.3M
Q3 24
$-49.1M
Q2 24
$79.5M
Q1 24
$80.3M
FCF Margin
AIR
AIR
NFG
NFG
Q4 25
0.8%
-0.4%
Q3 25
-7.2%
-10.8%
Q2 25
37.0%
Q1 25
8.2%
Q4 24
-4.0%
Q3 24
-15.8%
Q2 24
23.5%
Q1 24
14.4%
Capex Intensity
AIR
AIR
NFG
NFG
Q4 25
0.9%
43.5%
Q3 25
1.2%
64.4%
Q2 25
36.6%
Q1 25
26.4%
Q4 24
46.8%
Q3 24
79.7%
Q2 24
59.7%
Q1 24
42.1%
Cash Conversion
AIR
AIR
NFG
NFG
Q4 25
0.39×
1.51×
Q3 25
-1.31×
2.21×
Q2 25
2.59×
Q1 25
1.17×
Q4 24
4.89×
Q3 24
Q2 24
Q1 24
1.90×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AIR
AIR

Commercial Customer$268.1M34%
Repair And Engineering$244.5M31%
Integrated Solutions$175.8M22%
Government And Defense Customer$85.5M11%
Expeditionary Services$21.4M3%

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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