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Side-by-side financial comparison of AIR INDUSTRIES GROUP (AIRI) and BIOLIFE SOLUTIONS INC (BLFS). Click either name above to swap in a different company.

BIOLIFE SOLUTIONS INC is the larger business by last-quarter revenue ($18.8M vs $12.8M, roughly 1.5× AIR INDUSTRIES GROUP). BIOLIFE SOLUTIONS INC runs the higher net margin — 58.9% vs 1.2%, a 57.8% gap on every dollar of revenue. On growth, BIOLIFE SOLUTIONS INC posted the faster year-over-year revenue change (24.3% vs -14.1%). Over the past eight quarters, BIOLIFE SOLUTIONS INC's revenue compounded faster (1.0% 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.

Biolife Solutions Inc. develops, manufactures and distributes specialized biopreservation products and cold chain management solutions for the cell and gene therapy, biopharmaceutical and regenerative medicine industries. It offers cryopreservation media, automated thawing systems, and temperature monitoring tools, serving biotech firms, research institutions and clinical labs globally.

AIRI vs BLFS — Head-to-Head

Bigger by revenue
BLFS
BLFS
1.5× larger
BLFS
$18.8M
$12.8M
AIRI
Growing faster (revenue YoY)
BLFS
BLFS
+38.4% gap
BLFS
24.3%
-14.1%
AIRI
Higher net margin
BLFS
BLFS
57.8% more per $
BLFS
58.9%
1.2%
AIRI
Faster 2-yr revenue CAGR
BLFS
BLFS
Annualised
BLFS
1.0%
-4.5%
AIRI

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AIRI
AIRI
BLFS
BLFS
Revenue
$12.8M
$18.8M
Net Profit
$149.0K
$11.1M
Gross Margin
14.3%
Operating Margin
0.7%
7.2%
Net Margin
1.2%
58.9%
Revenue YoY
-14.1%
24.3%
Net Profit YoY
126.9%
-11.1%
EPS (diluted)
$0.08
$0.23

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
BLFS
BLFS
Q4 25
$12.8M
$18.8M
Q3 25
$10.3M
$28.1M
Q2 25
$12.7M
$25.4M
Q1 25
$12.1M
$23.9M
Q4 24
$14.9M
$15.1M
Q3 24
$12.6M
$21.4M
Q2 24
$13.6M
$19.7M
Q1 24
$14.1M
$18.4M
Net Profit
AIRI
AIRI
BLFS
BLFS
Q4 25
$149.0K
$11.1M
Q3 25
$-44.0K
$621.0K
Q2 25
$-422.0K
$-15.8M
Q1 25
$-988.0K
$-448.0K
Q4 24
$-554.0K
$12.5M
Q3 24
$-404.0K
$-1.7M
Q2 24
$298.0K
$-20.7M
Q1 24
$-706.0K
$-10.2M
Gross Margin
AIRI
AIRI
BLFS
BLFS
Q4 25
14.3%
Q3 25
22.3%
Q2 25
16.0%
Q1 25
16.8%
Q4 24
16.4%
Q3 24
15.5%
Q2 24
19.5%
Q1 24
13.6%
Operating Margin
AIRI
AIRI
BLFS
BLFS
Q4 25
0.7%
7.2%
Q3 25
3.1%
-0.3%
Q2 25
0.1%
-65.5%
Q1 25
-6.1%
-5.1%
Q4 24
-0.7%
3.6%
Q3 24
0.5%
-2.0%
Q2 24
5.5%
-6.6%
Q1 24
-1.8%
-17.9%
Net Margin
AIRI
AIRI
BLFS
BLFS
Q4 25
1.2%
58.9%
Q3 25
-0.4%
2.2%
Q2 25
-3.3%
-62.3%
Q1 25
-8.1%
-1.9%
Q4 24
-3.7%
82.5%
Q3 24
-3.2%
-8.0%
Q2 24
2.2%
-105.1%
Q1 24
-5.0%
-55.4%
EPS (diluted)
AIRI
AIRI
BLFS
BLFS
Q4 25
$0.08
$0.23
Q3 25
$-0.01
$0.01
Q2 25
$-0.11
$-0.33
Q1 25
$-0.27
$-0.01
Q4 24
$-0.16
$0.27
Q3 24
$-0.12
$-0.04
Q2 24
$0.08
$-0.45
Q1 24
$-0.21
$-0.22

Balance Sheet & Financial Strength

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

Metric
AIRI
AIRI
BLFS
BLFS
Cash + ST InvestmentsLiquidity on hand
$33.0M
Total DebtLower is stronger
$5.9M
$5.0M
Stockholders' EquityBook value
$19.2M
$371.9M
Total Assets
$58.3M
$405.9M
Debt / EquityLower = less leverage
0.30×
0.01×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AIRI
AIRI
BLFS
BLFS
Q4 25
$33.0M
Q3 25
$29.5M
Q2 25
$31.9M
Q1 25
$66.9M
Q4 24
$91.5M
Q3 24
$186.0K
$24.0M
Q2 24
$22.0M
Q1 24
$225.0K
$29.7M
Total Debt
AIRI
AIRI
BLFS
BLFS
Q4 25
$5.9M
$5.0M
Q3 25
$7.5M
Q2 25
$6.4M
$10.1M
Q1 25
$6.6M
$12.9M
Q4 24
$5.2M
$15.9M
Q3 24
$5.4M
$20.1M
Q2 24
$21.1M
Q1 24
$4.9M
$24.3M
Stockholders' Equity
AIRI
AIRI
BLFS
BLFS
Q4 25
$19.2M
$371.9M
Q3 25
$18.8M
$353.7M
Q2 25
$15.3M
$347.2M
Q1 25
$15.3M
$352.6M
Q4 24
$14.9M
$348.9M
Q3 24
$14.7M
$325.5M
Q2 24
$14.9M
$321.4M
Q1 24
$14.5M
$333.4M
Total Assets
AIRI
AIRI
BLFS
BLFS
Q4 25
$58.3M
$405.9M
Q3 25
$58.0M
$392.1M
Q2 25
$50.4M
$387.2M
Q1 25
$48.4M
$395.1M
Q4 24
$51.0M
$399.5M
Q3 24
$50.4M
$381.7M
Q2 24
$375.0M
Q1 24
$50.3M
$401.6M
Debt / Equity
AIRI
AIRI
BLFS
BLFS
Q4 25
0.30×
0.01×
Q3 25
0.02×
Q2 25
0.42×
0.03×
Q1 25
0.43×
0.04×
Q4 24
0.35×
0.05×
Q3 24
0.37×
0.06×
Q2 24
0.07×
Q1 24
0.33×
0.07×

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
BLFS
BLFS
Operating Cash FlowLast quarter
$-598.0K
$4.9M
Free Cash FlowOCF − Capex
$-902.0K
FCF MarginFCF / Revenue
-7.0%
Capex IntensityCapex / Revenue
2.4%
Cash ConversionOCF / Net Profit
-4.01×
0.44×
TTM Free Cash FlowTrailing 4 quarters
$-4.7M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AIRI
AIRI
BLFS
BLFS
Q4 25
$-598.0K
$4.9M
Q3 25
$-2.6M
$6.1M
Q2 25
$345.0K
$7.4M
Q1 25
$1.5M
$1.7M
Q4 24
$-184.0K
$1.6M
Q3 24
$174.0K
$4.8M
Q2 24
$566.0K
$6.5M
Q1 24
$-232.0K
$-4.5M
Free Cash Flow
AIRI
AIRI
BLFS
BLFS
Q4 25
$-902.0K
Q3 25
$-3.5M
Q2 25
$-551.0K
Q1 25
$308.0K
Q4 24
$-985.0K
Q3 24
$-95.0K
Q2 24
$-554.0K
Q1 24
$-343.0K
FCF Margin
AIRI
AIRI
BLFS
BLFS
Q4 25
-7.0%
Q3 25
-34.2%
Q2 25
-4.4%
Q1 25
2.5%
Q4 24
-6.6%
Q3 24
-0.8%
Q2 24
-4.1%
Q1 24
-2.4%
Capex Intensity
AIRI
AIRI
BLFS
BLFS
Q4 25
2.4%
Q3 25
8.8%
Q2 25
7.1%
Q1 25
10.0%
Q4 24
5.4%
Q3 24
2.1%
Q2 24
8.3%
Q1 24
0.8%
Cash Conversion
AIRI
AIRI
BLFS
BLFS
Q4 25
-4.01×
0.44×
Q3 25
9.83×
Q2 25
Q1 25
Q4 24
0.13×
Q3 24
Q2 24
1.90×
Q1 24

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%

BLFS
BLFS

Segment breakdown not available.

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