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Side-by-side financial comparison of AAR CORP (AIR) and Fusion Fuel Green PLC (HTOO). Click either name above to swap in a different company.

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.

Pulsar Fusion is a UK-based start-up that has demonstrated two designs of prototype rocket engine. It is headquartered in Bletchley, United Kingdom.

8-Quarter Revenue & Profit Trend

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

Revenue
AIR
AIR
HTOO
HTOO
Q4 25
$795.3M
Q3 25
$739.6M
Net Profit
AIR
AIR
HTOO
HTOO
Q4 25
$34.6M
Q3 25
$34.4M
Gross Margin
AIR
AIR
HTOO
HTOO
Q4 25
19.7%
Q3 25
18.1%
Operating Margin
AIR
AIR
HTOO
HTOO
Q4 25
6.0%
Q3 25
6.4%
Net Margin
AIR
AIR
HTOO
HTOO
Q4 25
4.4%
Q3 25
4.7%
EPS (diluted)
AIR
AIR
HTOO
HTOO
Q4 25
$0.90
Q3 25
$0.95

Financial Flow Comparison

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

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