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Side-by-side financial comparison of AZZ INC (AZZ) and PLUG POWER INC (PLUG). Click either name above to swap in a different company.

AZZ INC is the larger business by last-quarter revenue ($385.1M vs $225.2M, roughly 1.7× PLUG POWER INC). AZZ INC runs the higher net margin — 4.1% vs -375.6%, a 379.8% gap on every dollar of revenue. On growth, PLUG POWER INC posted the faster year-over-year revenue change (17.6% vs 9.4%). Over the past eight quarters, PLUG POWER INC's revenue compounded faster (36.8% CAGR vs -3.5%).

AZZ Inc. is a leading global provider of metal protection solutions including hot-dip galvanizing, surface coating services, and specialized electrical and industrial components. It primarily serves the construction, energy, infrastructure, and manufacturing sectors across North America and key international markets.

Plug Power Inc. is an American company engaged in the development of hydrogen fuel cell and electrolyzer systems that replace conventional batteries in equipment and vehicles powered by electricity. The company is headquartered in Slingerlands, New York, and has facilities in Spokane, Washington, and Rochester, New York.

AZZ vs PLUG — Head-to-Head

Bigger by revenue
AZZ
AZZ
1.7× larger
AZZ
$385.1M
$225.2M
PLUG
Growing faster (revenue YoY)
PLUG
PLUG
+8.2% gap
PLUG
17.6%
9.4%
AZZ
Higher net margin
AZZ
AZZ
379.8% more per $
AZZ
4.1%
-375.6%
PLUG
Faster 2-yr revenue CAGR
PLUG
PLUG
Annualised
PLUG
36.8%
-3.5%
AZZ

Income Statement — Q4 FY2027 vs Q4 FY2025

Metric
AZZ
AZZ
PLUG
PLUG
Revenue
$385.1M
$225.2M
Net Profit
$15.9M
$-846.0M
Gross Margin
22.7%
2.4%
Operating Margin
14.8%
-338.9%
Net Margin
4.1%
-375.6%
Revenue YoY
9.4%
17.6%
Net Profit YoY
146.3%
36.7%
EPS (diluted)
$0.53
$-0.70

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
AZZ
AZZ
PLUG
PLUG
Q4 26
$385.1M
Q4 25
$425.7M
$225.2M
Q3 25
$417.3M
$177.1M
Q2 25
$422.0M
$174.0M
Q1 25
$351.9M
$133.7M
Q4 24
$403.7M
$191.5M
Q3 24
$409.0M
$173.7M
Q2 24
$413.2M
$143.3M
Net Profit
AZZ
AZZ
PLUG
PLUG
Q4 26
$15.9M
Q4 25
$41.1M
$-846.0M
Q3 25
$89.3M
$-361.9M
Q2 25
$170.9M
$-227.1M
Q1 25
$20.2M
$-196.7M
Q4 24
$33.6M
$-1.3B
Q3 24
$35.4M
$-211.2M
Q2 24
$39.6M
$-262.3M
Gross Margin
AZZ
AZZ
PLUG
PLUG
Q4 26
22.7%
Q4 25
23.9%
2.4%
Q3 25
24.3%
-67.9%
Q2 25
24.7%
-30.7%
Q1 25
22.4%
-55.3%
Q4 24
24.2%
-122.5%
Q3 24
25.3%
-57.6%
Q2 24
24.8%
-91.6%
Operating Margin
AZZ
AZZ
PLUG
PLUG
Q4 26
14.8%
Q4 25
16.3%
-338.9%
Q3 25
16.4%
-197.0%
Q2 25
16.5%
-101.7%
Q1 25
11.5%
-133.5%
Q4 24
14.5%
-678.7%
Q3 24
16.5%
-124.4%
Q2 24
16.9%
-170.7%
Net Margin
AZZ
AZZ
PLUG
PLUG
Q4 26
4.1%
Q4 25
9.6%
-375.6%
Q3 25
21.4%
-204.4%
Q2 25
40.5%
-130.5%
Q1 25
5.7%
-147.1%
Q4 24
8.3%
-697.5%
Q3 24
8.7%
-121.5%
Q2 24
9.6%
-183.0%
EPS (diluted)
AZZ
AZZ
PLUG
PLUG
Q4 26
$0.53
Q4 25
$1.36
$-0.70
Q3 25
$2.95
$-0.31
Q2 25
$5.66
$-0.20
Q1 25
$0.87
$-0.21
Q4 24
$1.12
$-1.61
Q3 24
$1.18
$-0.25
Q2 24
$-1.38
$-0.36

Balance Sheet & Financial Strength

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

Metric
AZZ
AZZ
PLUG
PLUG
Cash + ST InvestmentsLiquidity on hand
$368.5M
Total DebtLower is stronger
Stockholders' EquityBook value
$1.3B
$978.1M
Total Assets
$2.2B
$2.6B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AZZ
AZZ
PLUG
PLUG
Q4 26
Q4 25
$623.0K
$368.5M
Q3 25
$897.0K
$165.9M
Q2 25
$3.0M
$140.7M
Q1 25
$1.5M
$295.8M
Q4 24
$1.5M
$205.7M
Q3 24
$2.2M
$93.9M
Q2 24
$10.5M
$62.4M
Total Debt
AZZ
AZZ
PLUG
PLUG
Q4 26
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
$3.9M
Q2 24
$3.7M
Stockholders' Equity
AZZ
AZZ
PLUG
PLUG
Q4 26
$1.3B
Q4 25
$1.3B
$978.1M
Q3 25
$1.3B
$1.4B
Q2 25
$1.2B
$1.7B
Q1 25
$1.0B
$1.9B
Q4 24
$1.0B
$1.7B
Q3 24
$999.8M
$3.0B
Q2 24
$967.2M
$3.0B
Total Assets
AZZ
AZZ
PLUG
PLUG
Q4 26
$2.2B
Q4 25
$2.2B
$2.6B
Q3 25
$2.2B
$3.1B
Q2 25
$2.2B
$3.4B
Q1 25
$2.2B
$3.6B
Q4 24
$2.2B
$3.6B
Q3 24
$2.2B
$4.7B
Q2 24
$2.2B
$4.8B
Debt / Equity
AZZ
AZZ
PLUG
PLUG
Q4 26
Q4 25
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
0.00×
Q2 24
0.00×

Cash Flow & Capital Efficiency

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

Metric
AZZ
AZZ
PLUG
PLUG
Operating Cash FlowLast quarter
$525.4M
$-148.6M
Free Cash FlowOCF − Capex
$-153.0M
FCF MarginFCF / Revenue
-67.9%
Capex IntensityCapex / Revenue
1.9%
Cash ConversionOCF / Net Profit
32.98×
TTM Free Cash FlowTrailing 4 quarters
$-647.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AZZ
AZZ
PLUG
PLUG
Q4 26
$525.4M
Q4 25
$79.7M
$-148.6M
Q3 25
$58.4M
$-89.8M
Q2 25
$314.8M
$-191.8M
Q1 25
$-105.6M
Q4 24
$66.2M
$-131.2M
Q3 24
$47.5M
$-174.9M
Q2 24
$71.9M
$-254.7M
Free Cash Flow
AZZ
AZZ
PLUG
PLUG
Q4 26
Q4 25
$61.2M
$-153.0M
Q3 25
$39.1M
$-117.5M
Q2 25
$293.9M
$-230.4M
Q1 25
$-146.0M
Q4 24
$39.7M
$-165.2M
Q3 24
$15.4M
$-234.2M
Q2 24
$44.5M
$-356.0M
FCF Margin
AZZ
AZZ
PLUG
PLUG
Q4 26
Q4 25
14.4%
-67.9%
Q3 25
9.4%
-66.4%
Q2 25
69.6%
-132.5%
Q1 25
-109.2%
Q4 24
9.8%
-86.3%
Q3 24
3.8%
-134.8%
Q2 24
10.8%
-248.4%
Capex Intensity
AZZ
AZZ
PLUG
PLUG
Q4 26
Q4 25
4.4%
1.9%
Q3 25
4.6%
15.6%
Q2 25
5.0%
22.2%
Q1 25
8.5%
30.3%
Q4 24
6.6%
17.7%
Q3 24
7.8%
34.1%
Q2 24
6.6%
70.7%
Cash Conversion
AZZ
AZZ
PLUG
PLUG
Q4 26
32.98×
Q4 25
1.94×
Q3 25
0.65×
Q2 25
1.84×
Q1 25
Q4 24
1.97×
Q3 24
1.34×
Q2 24
1.82×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AZZ
AZZ

Precoat Metals$198.6M52%
Metal Coatings$186.5M48%

PLUG
PLUG

Sales Of Equipment And Related Infrastructure$111.6M50%
Services Performed On Fuel Cell Systems And Related Infrastructure$41.5M18%
Power Purchase Agreements$36.1M16%
Sale Of Cryogenic Equipment$20.0M9%
Sales Of Fuel Cell Systems$11.2M5%
Other$4.8M2%

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