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Side-by-side financial comparison of FLEXIBLE SOLUTIONS INTERNATIONAL INC (FSI) and WD 40 CO (WDFC). Click either name above to swap in a different company.

WD 40 CO is the larger business by last-quarter revenue ($154.4M vs $9.1M, roughly 16.9× FLEXIBLE SOLUTIONS INTERNATIONAL INC). WD 40 CO runs the higher net margin — 11.3% vs -5.1%, a 16.4% gap on every dollar of revenue. On growth, WD 40 CO posted the faster year-over-year revenue change (0.6% vs -0.5%). WD 40 CO produced more free cash flow last quarter ($9.1M vs $-4.0M). Over the past eight quarters, WD 40 CO's revenue compounded faster (5.4% CAGR vs -0.6%).

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.

WD-40 Company is a global consumer and industrial goods manufacturer best known for its signature multi-purpose lubricant of the same name. Its product portfolio includes cleaners, degreasers, rust removers and specialty lubricants, serving retail, industrial and automotive markets across more than 170 countries and regions worldwide.

FSI vs WDFC — Head-to-Head

Bigger by revenue
WDFC
WDFC
16.9× larger
WDFC
$154.4M
$9.1M
FSI
Growing faster (revenue YoY)
WDFC
WDFC
+1.1% gap
WDFC
0.6%
-0.5%
FSI
Higher net margin
WDFC
WDFC
16.4% more per $
WDFC
11.3%
-5.1%
FSI
More free cash flow
WDFC
WDFC
$13.1M more FCF
WDFC
$9.1M
$-4.0M
FSI
Faster 2-yr revenue CAGR
WDFC
WDFC
Annualised
WDFC
5.4%
-0.6%
FSI

Income Statement — Q4 2025 vs Q1 2026

Metric
FSI
FSI
WDFC
WDFC
Revenue
$9.1M
$154.4M
Net Profit
$-460.9K
$17.5M
Gross Margin
29.4%
56.2%
Operating Margin
11.6%
15.1%
Net Margin
-5.1%
11.3%
Revenue YoY
-0.5%
0.6%
Net Profit YoY
-167.8%
-7.8%
EPS (diluted)
$-0.03
$1.28

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
FSI
FSI
WDFC
WDFC
Q4 25
$9.1M
$154.4M
Q3 25
$10.6M
$163.5M
Q2 25
$11.4M
$156.9M
Q1 25
$7.5M
$146.1M
Q4 24
$9.2M
$153.5M
Q3 24
$9.3M
$156.0M
Q2 24
$10.5M
$155.0M
Q1 24
$9.2M
$139.1M
Net Profit
FSI
FSI
WDFC
WDFC
Q4 25
$-460.9K
$17.5M
Q3 25
$-503.4K
$21.2M
Q2 25
$2.0M
$21.0M
Q1 25
$-277.7K
$29.9M
Q4 24
$679.6K
$18.9M
Q3 24
$611.9K
$16.8M
Q2 24
$1.3M
$19.8M
Q1 24
$457.2K
$15.5M
Gross Margin
FSI
FSI
WDFC
WDFC
Q4 25
29.4%
56.2%
Q3 25
23.9%
54.7%
Q2 25
47.4%
56.2%
Q1 25
26.1%
54.6%
Q4 24
29.2%
54.8%
Q3 24
40.9%
54.1%
Q2 24
37.4%
53.1%
Q1 24
30.6%
52.4%
Operating Margin
FSI
FSI
WDFC
WDFC
Q4 25
11.6%
15.1%
Q3 25
2.9%
17.1%
Q2 25
29.0%
17.4%
Q1 25
-0.9%
15.9%
Q4 24
9.4%
16.4%
Q3 24
20.5%
15.4%
Q2 24
18.7%
17.5%
Q1 24
8.3%
15.1%
Net Margin
FSI
FSI
WDFC
WDFC
Q4 25
-5.1%
11.3%
Q3 25
-4.8%
13.0%
Q2 25
17.8%
13.4%
Q1 25
-3.7%
20.4%
Q4 24
7.4%
12.3%
Q3 24
6.6%
10.8%
Q2 24
12.3%
12.8%
Q1 24
5.0%
11.2%
EPS (diluted)
FSI
FSI
WDFC
WDFC
Q4 25
$-0.03
$1.28
Q3 25
$-0.04
$1.57
Q2 25
$0.15
$1.54
Q1 25
$-0.02
$2.19
Q4 24
$0.05
$1.39
Q3 24
$0.05
$1.23
Q2 24
$0.10
$1.46
Q1 24
$0.04
$1.14

Balance Sheet & Financial Strength

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

Metric
FSI
FSI
WDFC
WDFC
Cash + ST InvestmentsLiquidity on hand
$48.6M
Total DebtLower is stronger
$4.4M
$85.7M
Stockholders' EquityBook value
$38.9M
$264.1M
Total Assets
$61.8M
$459.7M
Debt / EquityLower = less leverage
0.11×
0.32×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FSI
FSI
WDFC
WDFC
Q4 25
$48.6M
Q3 25
$58.1M
Q2 25
$10.0M
$51.7M
Q1 25
$11.0M
$53.0M
Q4 24
$10.0M
$54.9M
Q3 24
$13.0M
$46.7M
Q2 24
$9.2M
$45.3M
Q1 24
$8.3M
$55.4M
Total Debt
FSI
FSI
WDFC
WDFC
Q4 25
$4.4M
$85.7M
Q3 25
$7.1M
$86.2M
Q2 25
$7.5M
$85.6M
Q1 25
$8.1M
$84.4M
Q4 24
$8.8M
$84.6M
Q3 24
$9.4M
$86.0M
Q2 24
$8.3M
$85.5M
Q1 24
$8.0M
$85.9M
Stockholders' Equity
FSI
FSI
WDFC
WDFC
Q4 25
$38.9M
$264.1M
Q3 25
$39.0M
$268.2M
Q2 25
$39.4M
$257.1M
Q1 25
$38.4M
$242.1M
Q4 24
$38.0M
$226.3M
Q3 24
$36.9M
$230.5M
Q2 24
$36.2M
$222.2M
Q1 24
$36.0M
$216.3M
Total Assets
FSI
FSI
WDFC
WDFC
Q4 25
$61.8M
$459.7M
Q3 25
$58.4M
$475.8M
Q2 25
$58.2M
$456.0M
Q1 25
$61.7M
$458.3M
Q4 24
$60.0M
$447.3M
Q3 24
$57.8M
$449.0M
Q2 24
$56.3M
$443.6M
Q1 24
$57.6M
$442.0M
Debt / Equity
FSI
FSI
WDFC
WDFC
Q4 25
0.11×
0.32×
Q3 25
0.18×
0.32×
Q2 25
0.19×
0.33×
Q1 25
0.21×
0.35×
Q4 24
0.23×
0.37×
Q3 24
0.25×
0.37×
Q2 24
0.23×
0.38×
Q1 24
0.22×
0.40×

Cash Flow & Capital Efficiency

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

Metric
FSI
FSI
WDFC
WDFC
Operating Cash FlowLast quarter
$-3.0M
$10.0M
Free Cash FlowOCF − Capex
$-4.0M
$9.1M
FCF MarginFCF / Revenue
-44.3%
5.9%
Capex IntensityCapex / Revenue
11.7%
0.6%
Cash ConversionOCF / Net Profit
0.57×
TTM Free Cash FlowTrailing 4 quarters
$-591.7K
$78.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FSI
FSI
WDFC
WDFC
Q4 25
$-3.0M
$10.0M
Q3 25
$2.0M
$29.9M
Q2 25
$5.3M
$35.1M
Q1 25
$-544.3K
$8.0M
Q4 24
$-2.2M
$14.9M
Q3 24
$2.5M
$27.2M
Q2 24
$5.9M
$19.9M
Q1 24
$-604.8K
$18.0M
Free Cash Flow
FSI
FSI
WDFC
WDFC
Q4 25
$-4.0M
$9.1M
Q3 25
$39.4K
$28.6M
Q2 25
$4.3M
$34.0M
Q1 25
$-898.4K
$6.6M
Q4 24
$-4.3M
$14.2M
Q3 24
$1.3M
$26.4M
Q2 24
$4.7M
$18.7M
Q1 24
$-1.1M
$16.7M
FCF Margin
FSI
FSI
WDFC
WDFC
Q4 25
-44.3%
5.9%
Q3 25
0.4%
17.5%
Q2 25
37.9%
21.6%
Q1 25
-12.0%
4.5%
Q4 24
-47.0%
9.3%
Q3 24
13.6%
16.9%
Q2 24
44.9%
12.0%
Q1 24
-11.7%
12.0%
Capex Intensity
FSI
FSI
WDFC
WDFC
Q4 25
11.7%
0.6%
Q3 25
18.7%
0.8%
Q2 25
8.6%
0.7%
Q1 25
4.7%
0.9%
Q4 24
22.8%
0.5%
Q3 24
13.0%
0.5%
Q2 24
11.3%
0.8%
Q1 24
5.2%
0.9%
Cash Conversion
FSI
FSI
WDFC
WDFC
Q4 25
0.57×
Q3 25
1.41×
Q2 25
2.60×
1.67×
Q1 25
0.27×
Q4 24
-3.27×
0.79×
Q3 24
4.05×
1.62×
Q2 24
4.59×
1.00×
Q1 24
-1.32×
1.16×

Financial Flow Comparison

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

Revenue Breakdown by Segment

FSI
FSI

Segment breakdown not available.

WDFC
WDFC

Other$82.6M53%
WD40Multi Use Product$56.0M36%
WD40Specialist$9.0M6%
Other Maintenance Products$4.0M3%
Homecare And Cleaning Products$2.7M2%

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