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Side-by-side financial comparison of AIR INDUSTRIES GROUP (AIRI) and ALPHA PRO TECH LTD (APT). Click either name above to swap in a different company.

ALPHA PRO TECH LTD is the larger business by last-quarter revenue ($13.9M vs $12.8M, roughly 1.1× AIR INDUSTRIES GROUP). ALPHA PRO TECH LTD runs the higher net margin — 5.0% vs 1.2%, a 3.9% gap on every dollar of revenue. On growth, ALPHA PRO TECH LTD posted the faster year-over-year revenue change (0.3% vs -14.1%). ALPHA PRO TECH LTD produced more free cash flow last quarter ($51.0K vs $-902.0K). Over the past eight quarters, ALPHA PRO TECH LTD's revenue compounded faster (1.4% CAGR vs -4.5%).

Mitsubishi Heavy Industries, Ltd. is a Japanese multinational engineering, electrical equipment and electronics corporation headquartered in Tokyo, Japan. MHI is one of the core companies of the Mitsubishi Group and its automobile division is the predecessor of Mitsubishi Motors.

Alpha Pro Tech Ltd is a leading developer, manufacturer and marketer of disposable protective apparel, face masks, and building supply products including weather-resistant barriers. It primarily serves the healthcare, industrial, and construction sectors, with core operating markets concentrated in North America.

AIRI vs APT — Head-to-Head

Bigger by revenue
APT
APT
1.1× larger
APT
$13.9M
$12.8M
AIRI
Growing faster (revenue YoY)
APT
APT
+14.4% gap
APT
0.3%
-14.1%
AIRI
Higher net margin
APT
APT
3.9% more per $
APT
5.0%
1.2%
AIRI
More free cash flow
APT
APT
$953.0K more FCF
APT
$51.0K
$-902.0K
AIRI
Faster 2-yr revenue CAGR
APT
APT
Annualised
APT
1.4%
-4.5%
AIRI

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AIRI
AIRI
APT
APT
Revenue
$12.8M
$13.9M
Net Profit
$149.0K
$698.0K
Gross Margin
14.3%
37.1%
Operating Margin
0.7%
6.9%
Net Margin
1.2%
5.0%
Revenue YoY
-14.1%
0.3%
Net Profit YoY
126.9%
-17.6%
EPS (diluted)
$0.08
$0.06

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
AIRI
AIRI
APT
APT
Q4 25
$12.8M
$13.9M
Q3 25
$10.3M
$14.8M
Q2 25
$12.7M
$16.7M
Q1 25
$12.1M
$13.8M
Q4 24
$14.9M
$13.8M
Q3 24
$12.6M
$14.3M
Q2 24
$13.6M
$16.3M
Q1 24
$14.1M
$13.5M
Net Profit
AIRI
AIRI
APT
APT
Q4 25
$149.0K
$698.0K
Q3 25
$-44.0K
$976.0K
Q2 25
$-422.0K
$1.2M
Q1 25
$-988.0K
$613.0K
Q4 24
$-554.0K
$847.0K
Q3 24
$-404.0K
$862.0K
Q2 24
$298.0K
$1.6M
Q1 24
$-706.0K
$576.0K
Gross Margin
AIRI
AIRI
APT
APT
Q4 25
14.3%
37.1%
Q3 25
22.3%
39.7%
Q2 25
16.0%
36.8%
Q1 25
16.8%
39.0%
Q4 24
16.4%
37.6%
Q3 24
15.5%
38.5%
Q2 24
19.5%
42.0%
Q1 24
13.6%
40.2%
Operating Margin
AIRI
AIRI
APT
APT
Q4 25
0.7%
6.9%
Q3 25
3.1%
7.4%
Q2 25
0.1%
8.0%
Q1 25
-6.1%
3.3%
Q4 24
-0.7%
4.9%
Q3 24
0.5%
5.2%
Q2 24
5.5%
10.5%
Q1 24
-1.8%
2.4%
Net Margin
AIRI
AIRI
APT
APT
Q4 25
1.2%
5.0%
Q3 25
-0.4%
6.6%
Q2 25
-3.3%
7.5%
Q1 25
-8.1%
4.4%
Q4 24
-3.7%
6.1%
Q3 24
-3.2%
6.0%
Q2 24
2.2%
10.1%
Q1 24
-5.0%
4.3%
EPS (diluted)
AIRI
AIRI
APT
APT
Q4 25
$0.08
$0.06
Q3 25
$-0.01
$0.09
Q2 25
$-0.11
$0.12
Q1 25
$-0.27
$0.06
Q4 24
$-0.16
$0.07
Q3 24
$-0.12
$0.08
Q2 24
$0.08
$0.15
Q1 24
$-0.21
$0.05

Balance Sheet & Financial Strength

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

Metric
AIRI
AIRI
APT
APT
Cash + ST InvestmentsLiquidity on hand
$17.0M
Total DebtLower is stronger
$5.9M
Stockholders' EquityBook value
$19.2M
$62.5M
Total Assets
$58.3M
$74.1M
Debt / EquityLower = less leverage
0.30×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AIRI
AIRI
APT
APT
Q4 25
$17.0M
Q3 25
$17.7M
Q2 25
$14.5M
Q1 25
$13.4M
Q4 24
$18.6M
Q3 24
$186.0K
$18.4M
Q2 24
$16.2M
Q1 24
$225.0K
$18.5M
Total Debt
AIRI
AIRI
APT
APT
Q4 25
$5.9M
Q3 25
Q2 25
$6.4M
Q1 25
$6.6M
Q4 24
$5.2M
Q3 24
$5.4M
Q2 24
Q1 24
$4.9M
Stockholders' Equity
AIRI
AIRI
APT
APT
Q4 25
$19.2M
$62.5M
Q3 25
$18.8M
$62.5M
Q2 25
$15.3M
$62.2M
Q1 25
$15.3M
$61.7M
Q4 24
$14.9M
$62.2M
Q3 24
$14.7M
$62.1M
Q2 24
$14.9M
$62.0M
Q1 24
$14.5M
$61.6M
Total Assets
AIRI
AIRI
APT
APT
Q4 25
$58.3M
$74.1M
Q3 25
$58.0M
$73.9M
Q2 25
$50.4M
$73.2M
Q1 25
$48.4M
$72.2M
Q4 24
$51.0M
$73.7M
Q3 24
$50.4M
$73.3M
Q2 24
$72.7M
Q1 24
$50.3M
$72.7M
Debt / Equity
AIRI
AIRI
APT
APT
Q4 25
0.30×
Q3 25
Q2 25
0.42×
Q1 25
0.43×
Q4 24
0.35×
Q3 24
0.37×
Q2 24
Q1 24
0.33×

Cash Flow & Capital Efficiency

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

Metric
AIRI
AIRI
APT
APT
Operating Cash FlowLast quarter
$-598.0K
$318.0K
Free Cash FlowOCF − Capex
$-902.0K
$51.0K
FCF MarginFCF / Revenue
-7.0%
0.4%
Capex IntensityCapex / Revenue
2.4%
1.9%
Cash ConversionOCF / Net Profit
-4.01×
0.46×
TTM Free Cash FlowTrailing 4 quarters
$-4.7M
$1.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AIRI
AIRI
APT
APT
Q4 25
$-598.0K
$318.0K
Q3 25
$-2.6M
$3.9M
Q2 25
$345.0K
$2.1M
Q1 25
$1.5M
$-4.0M
Q4 24
$-184.0K
$2.4M
Q3 24
$174.0K
$5.3M
Q2 24
$566.0K
$-873.0K
Q1 24
$-232.0K
$-1.2M
Free Cash Flow
AIRI
AIRI
APT
APT
Q4 25
$-902.0K
$51.0K
Q3 25
$-3.5M
$3.8M
Q2 25
$-551.0K
$1.9M
Q1 25
$308.0K
$-4.1M
Q4 24
$-985.0K
$970.0K
Q3 24
$-95.0K
$3.2M
Q2 24
$-554.0K
$-1.0M
Q1 24
$-343.0K
$-1.3M
FCF Margin
AIRI
AIRI
APT
APT
Q4 25
-7.0%
0.4%
Q3 25
-34.2%
25.9%
Q2 25
-4.4%
11.7%
Q1 25
2.5%
-29.6%
Q4 24
-6.6%
7.0%
Q3 24
-0.8%
22.3%
Q2 24
-4.1%
-6.2%
Q1 24
-2.4%
-9.3%
Capex Intensity
AIRI
AIRI
APT
APT
Q4 25
2.4%
1.9%
Q3 25
8.8%
0.7%
Q2 25
7.1%
0.8%
Q1 25
10.0%
1.0%
Q4 24
5.4%
10.4%
Q3 24
2.1%
15.1%
Q2 24
8.3%
0.8%
Q1 24
0.8%
0.6%
Cash Conversion
AIRI
AIRI
APT
APT
Q4 25
-4.01×
0.46×
Q3 25
4.02×
Q2 25
1.68×
Q1 25
-6.46×
Q4 24
2.85×
Q3 24
6.18×
Q2 24
1.90×
-0.53×
Q1 24
-2.03×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AIRI
AIRI

Military$7.4M58%
Other$5.4M42%

APT
APT

Other$7.3M53%
Disposable Protective Apparel$6.6M47%

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