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Side-by-side financial comparison of AIRGAIN INC (AIRG) and FLEXIBLE SOLUTIONS INTERNATIONAL INC (FSI). Click either name above to swap in a different company.

AIRGAIN INC is the larger business by last-quarter revenue ($12.1M vs $9.1M, roughly 1.3× FLEXIBLE SOLUTIONS INTERNATIONAL INC). FLEXIBLE SOLUTIONS INTERNATIONAL INC runs the higher net margin — -5.1% vs -20.1%, a 15.1% gap on every dollar of revenue. On growth, FLEXIBLE SOLUTIONS INTERNATIONAL INC posted the faster year-over-year revenue change (-0.5% vs -19.6%). AIRGAIN INC produced more free cash flow last quarter ($93.0K vs $-4.0M). Over the past eight quarters, FLEXIBLE SOLUTIONS INTERNATIONAL INC's revenue compounded faster (-0.6% CAGR vs -7.7%).

Airgain Inc is a leading provider of high-performance wireless connectivity solutions, including advanced antenna products, embedded radio modules, and custom connectivity systems. It serves core market segments such as IoT, automotive, smart home, enterprise networking, and telecommunications, delivering reliable high-speed wireless performance for various connected device use cases.

Flexible Solutions International Inc develops and manufactures specialty chemicals for water conservation, energy efficiency, and agricultural use. Core products include water body evaporative reduction solutions, farm crop yield additives, and swimming pool heat retention products, serving customers across North America and global agricultural markets.

AIRG vs FSI — Head-to-Head

Bigger by revenue
AIRG
AIRG
1.3× larger
AIRG
$12.1M
$9.1M
FSI
Growing faster (revenue YoY)
FSI
FSI
+19.1% gap
FSI
-0.5%
-19.6%
AIRG
Higher net margin
FSI
FSI
15.1% more per $
FSI
-5.1%
-20.1%
AIRG
More free cash flow
AIRG
AIRG
$4.1M more FCF
AIRG
$93.0K
$-4.0M
FSI
Faster 2-yr revenue CAGR
FSI
FSI
Annualised
FSI
-0.6%
-7.7%
AIRG

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
AIRG
AIRG
FSI
FSI
Revenue
$12.1M
$9.1M
Net Profit
$-2.4M
$-460.9K
Gross Margin
44.8%
29.4%
Operating Margin
-20.0%
11.6%
Net Margin
-20.1%
-5.1%
Revenue YoY
-19.6%
-0.5%
Net Profit YoY
-24.4%
-167.8%
EPS (diluted)
$-0.21
$-0.03

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
AIRG
AIRG
FSI
FSI
Q4 25
$12.1M
$9.1M
Q3 25
$14.0M
$10.6M
Q2 25
$13.6M
$11.4M
Q1 25
$12.0M
$7.5M
Q4 24
$15.1M
$9.2M
Q3 24
$16.1M
$9.3M
Q2 24
$15.2M
$10.5M
Q1 24
$14.2M
$9.2M
Net Profit
AIRG
AIRG
FSI
FSI
Q4 25
$-2.4M
$-460.9K
Q3 25
$-964.0K
$-503.4K
Q2 25
$-1.5M
$2.0M
Q1 25
$-1.5M
$-277.7K
Q4 24
$-2.0M
$679.6K
Q3 24
$-1.8M
$611.9K
Q2 24
$-2.5M
$1.3M
Q1 24
$-2.5M
$457.2K
Gross Margin
AIRG
AIRG
FSI
FSI
Q4 25
44.8%
29.4%
Q3 25
43.6%
23.9%
Q2 25
42.9%
47.4%
Q1 25
43.0%
26.1%
Q4 24
42.2%
29.2%
Q3 24
41.7%
40.9%
Q2 24
40.5%
37.4%
Q1 24
39.2%
30.6%
Operating Margin
AIRG
AIRG
FSI
FSI
Q4 25
-20.0%
11.6%
Q3 25
-6.9%
2.9%
Q2 25
-14.7%
29.0%
Q1 25
-25.8%
-0.9%
Q4 24
-13.1%
9.4%
Q3 24
-11.3%
20.5%
Q2 24
-16.5%
18.7%
Q1 24
-18.5%
8.3%
Net Margin
AIRG
AIRG
FSI
FSI
Q4 25
-20.1%
-5.1%
Q3 25
-6.9%
-4.8%
Q2 25
-10.8%
17.8%
Q1 25
-12.9%
-3.7%
Q4 24
-13.0%
7.4%
Q3 24
-10.9%
6.6%
Q2 24
-16.6%
12.3%
Q1 24
-17.3%
5.0%
EPS (diluted)
AIRG
AIRG
FSI
FSI
Q4 25
$-0.21
$-0.03
Q3 25
$-0.08
$-0.04
Q2 25
$-0.12
$0.15
Q1 25
$-0.13
$-0.02
Q4 24
$-0.17
$0.05
Q3 24
$-0.16
$0.05
Q2 24
$-0.23
$0.10
Q1 24
$-0.23
$0.04

Balance Sheet & Financial Strength

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

Metric
AIRG
AIRG
FSI
FSI
Cash + ST InvestmentsLiquidity on hand
$7.4M
Total DebtLower is stronger
$4.4M
Stockholders' EquityBook value
$28.3M
$38.9M
Total Assets
$45.3M
$61.8M
Debt / EquityLower = less leverage
0.11×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AIRG
AIRG
FSI
FSI
Q4 25
$7.4M
Q3 25
$7.1M
Q2 25
$7.7M
$10.0M
Q1 25
$7.4M
$11.0M
Q4 24
$8.5M
$10.0M
Q3 24
$7.3M
$13.0M
Q2 24
$8.4M
$9.2M
Q1 24
$7.2M
$8.3M
Total Debt
AIRG
AIRG
FSI
FSI
Q4 25
$4.4M
Q3 25
$7.1M
Q2 25
$7.5M
Q1 25
$8.1M
Q4 24
$8.8M
Q3 24
$9.4M
Q2 24
$8.3M
Q1 24
$8.0M
Stockholders' Equity
AIRG
AIRG
FSI
FSI
Q4 25
$28.3M
$38.9M
Q3 25
$29.7M
$39.0M
Q2 25
$29.8M
$39.4M
Q1 25
$30.3M
$38.4M
Q4 24
$31.0M
$38.0M
Q3 24
$30.8M
$36.9M
Q2 24
$31.6M
$36.2M
Q1 24
$30.5M
$36.0M
Total Assets
AIRG
AIRG
FSI
FSI
Q4 25
$45.3M
$61.8M
Q3 25
$45.5M
$58.4M
Q2 25
$45.5M
$58.2M
Q1 25
$46.1M
$61.7M
Q4 24
$48.4M
$60.0M
Q3 24
$43.3M
$57.8M
Q2 24
$42.4M
$56.3M
Q1 24
$42.8M
$57.6M
Debt / Equity
AIRG
AIRG
FSI
FSI
Q4 25
0.11×
Q3 25
0.18×
Q2 25
0.19×
Q1 25
0.21×
Q4 24
0.23×
Q3 24
0.25×
Q2 24
0.23×
Q1 24
0.22×

Cash Flow & Capital Efficiency

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

Metric
AIRG
AIRG
FSI
FSI
Operating Cash FlowLast quarter
$194.0K
$-3.0M
Free Cash FlowOCF − Capex
$93.0K
$-4.0M
FCF MarginFCF / Revenue
0.8%
-44.3%
Capex IntensityCapex / Revenue
0.8%
11.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-1.3M
$-591.7K

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AIRG
AIRG
FSI
FSI
Q4 25
$194.0K
$-3.0M
Q3 25
$-411.0K
$2.0M
Q2 25
$129.0K
$5.3M
Q1 25
$-1.0M
$-544.3K
Q4 24
$-26.0K
$-2.2M
Q3 24
$-1.2M
$2.5M
Q2 24
$-1.2M
$5.9M
Q1 24
$-1.1M
$-604.8K
Free Cash Flow
AIRG
AIRG
FSI
FSI
Q4 25
$93.0K
$-4.0M
Q3 25
$-418.0K
$39.4K
Q2 25
$113.0K
$4.3M
Q1 25
$-1.1M
$-898.4K
Q4 24
$-27.0K
$-4.3M
Q3 24
$-1.2M
$1.3M
Q2 24
$-1.3M
$4.7M
Q1 24
$-1.2M
$-1.1M
FCF Margin
AIRG
AIRG
FSI
FSI
Q4 25
0.8%
-44.3%
Q3 25
-3.0%
0.4%
Q2 25
0.8%
37.9%
Q1 25
-8.9%
-12.0%
Q4 24
-0.2%
-47.0%
Q3 24
-7.5%
13.6%
Q2 24
-8.5%
44.9%
Q1 24
-8.3%
-11.7%
Capex Intensity
AIRG
AIRG
FSI
FSI
Q4 25
0.8%
11.7%
Q3 25
0.0%
18.7%
Q2 25
0.1%
8.6%
Q1 25
0.3%
4.7%
Q4 24
0.0%
22.8%
Q3 24
0.2%
13.0%
Q2 24
0.6%
11.3%
Q1 24
0.4%
5.2%
Cash Conversion
AIRG
AIRG
FSI
FSI
Q4 25
Q3 25
Q2 25
2.60×
Q1 25
Q4 24
-3.27×
Q3 24
4.05×
Q2 24
4.59×
Q1 24
-1.32×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AIRG
AIRG

Transferred At Point In Time$11.3M93%
Other$803.0K7%

FSI
FSI

Segment breakdown not available.

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