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Side-by-side financial comparison of ESPEY MFG & ELECTRONICS CORP (ESP) and FLEXIBLE SOLUTIONS INTERNATIONAL INC (FSI). Click either name above to swap in a different company.

ESPEY MFG & ELECTRONICS CORP is the larger business by last-quarter revenue ($12.1M vs $9.1M, roughly 1.3× FLEXIBLE SOLUTIONS INTERNATIONAL INC). ESPEY MFG & ELECTRONICS CORP runs the higher net margin — 23.1% vs -5.1%, a 28.2% gap on every dollar of revenue. On growth, FLEXIBLE SOLUTIONS INTERNATIONAL INC posted the faster year-over-year revenue change (-0.5% vs -10.8%). FLEXIBLE SOLUTIONS INTERNATIONAL INC produced more free cash flow last quarter ($-4.0M vs $-4.1M). Over the past eight quarters, ESPEY MFG & ELECTRONICS CORP's revenue compounded faster (21.3% CAGR vs -0.6%).

ESPEY MFG & ELECTRONICS CORP is a US-based manufacturer specializing in high-reliability power supplies, power conversion systems and specialized electronic components. It serves aerospace, defense, industrial and transportation sectors, delivering custom solutions for harsh environments to OEMs and government contractors across North America and select global markets.

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.

ESP vs FSI — Head-to-Head

Bigger by revenue
ESP
ESP
1.3× larger
ESP
$12.1M
$9.1M
FSI
Growing faster (revenue YoY)
FSI
FSI
+10.3% gap
FSI
-0.5%
-10.8%
ESP
Higher net margin
ESP
ESP
28.2% more per $
ESP
23.1%
-5.1%
FSI
More free cash flow
FSI
FSI
$94.4K more FCF
FSI
$-4.0M
$-4.1M
ESP
Faster 2-yr revenue CAGR
ESP
ESP
Annualised
ESP
21.3%
-0.6%
FSI

Income Statement — Q2 FY2026 vs Q4 FY2025

Metric
ESP
ESP
FSI
FSI
Revenue
$12.1M
$9.1M
Net Profit
$2.8M
$-460.9K
Gross Margin
34.7%
29.4%
Operating Margin
25.3%
11.6%
Net Margin
23.1%
-5.1%
Revenue YoY
-10.8%
-0.5%
Net Profit YoY
47.0%
-167.8%
EPS (diluted)
$0.99
$-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
ESP
ESP
FSI
FSI
Q4 25
$12.1M
$9.1M
Q3 25
$9.1M
$10.6M
Q2 25
$9.6M
$11.4M
Q1 25
$10.3M
$7.5M
Q4 24
$13.6M
$9.2M
Q3 24
$10.4M
$9.3M
Q2 24
$11.6M
$10.5M
Q1 24
$8.3M
$9.2M
Net Profit
ESP
ESP
FSI
FSI
Q4 25
$2.8M
$-460.9K
Q3 25
$2.2M
$-503.4K
Q2 25
$2.9M
$2.0M
Q1 25
$1.7M
$-277.7K
Q4 24
$1.9M
$679.6K
Q3 24
$1.6M
$611.9K
Q2 24
$1.9M
$1.3M
Q1 24
$1.0M
$457.2K
Gross Margin
ESP
ESP
FSI
FSI
Q4 25
34.7%
29.4%
Q3 25
35.4%
23.9%
Q2 25
39.3%
47.4%
Q1 25
28.6%
26.1%
Q4 24
23.2%
29.2%
Q3 24
26.8%
40.9%
Q2 24
27.6%
37.4%
Q1 24
25.0%
30.6%
Operating Margin
ESP
ESP
FSI
FSI
Q4 25
25.3%
11.6%
Q3 25
22.7%
2.9%
Q2 25
27.4%
29.0%
Q1 25
17.0%
-0.9%
Q4 24
14.9%
9.4%
Q3 24
16.5%
20.5%
Q2 24
18.4%
18.7%
Q1 24
13.2%
8.3%
Net Margin
ESP
ESP
FSI
FSI
Q4 25
23.1%
-5.1%
Q3 25
23.9%
-4.8%
Q2 25
30.6%
17.8%
Q1 25
16.5%
-3.7%
Q4 24
14.0%
7.4%
Q3 24
15.3%
6.6%
Q2 24
16.3%
12.3%
Q1 24
12.5%
5.0%
EPS (diluted)
ESP
ESP
FSI
FSI
Q4 25
$0.99
$-0.03
Q3 25
$0.76
$-0.04
Q2 25
$1.07
$0.15
Q1 25
$0.63
$-0.02
Q4 24
$0.71
$0.05
Q3 24
$0.61
$0.05
Q2 24
$0.73
$0.10
Q1 24
$0.40
$0.04

Balance Sheet & Financial Strength

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

Metric
ESP
ESP
FSI
FSI
Cash + ST InvestmentsLiquidity on hand
$17.8M
Total DebtLower is stronger
$4.4M
Stockholders' EquityBook value
$53.2M
$38.9M
Total Assets
$85.2M
$61.8M
Debt / EquityLower = less leverage
0.11×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ESP
ESP
FSI
FSI
Q4 25
$17.8M
Q3 25
$22.2M
Q2 25
$18.9M
$10.0M
Q1 25
$13.9M
$11.0M
Q4 24
$8.0M
$10.0M
Q3 24
$4.8M
$13.0M
Q2 24
$4.4M
$9.2M
Q1 24
$5.6M
$8.3M
Total Debt
ESP
ESP
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
ESP
ESP
FSI
FSI
Q4 25
$53.2M
$38.9M
Q3 25
$51.0M
$39.0M
Q2 25
$50.8M
$39.4M
Q1 25
$46.3M
$38.4M
Q4 24
$44.8M
$38.0M
Q3 24
$42.5M
$36.9M
Q2 24
$41.3M
$36.2M
Q1 24
$39.3M
$36.0M
Total Assets
ESP
ESP
FSI
FSI
Q4 25
$85.2M
$61.8M
Q3 25
$84.8M
$58.4M
Q2 25
$79.1M
$58.2M
Q1 25
$72.8M
$61.7M
Q4 24
$60.2M
$60.0M
Q3 24
$57.6M
$57.8M
Q2 24
$56.5M
$56.3M
Q1 24
$53.1M
$57.6M
Debt / Equity
ESP
ESP
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
ESP
ESP
FSI
FSI
Operating Cash FlowLast quarter
$-2.8M
$-3.0M
Free Cash FlowOCF − Capex
$-4.1M
$-4.0M
FCF MarginFCF / Revenue
-34.1%
-44.3%
Capex IntensityCapex / Revenue
10.9%
11.7%
Cash ConversionOCF / Net Profit
-1.00×
TTM Free Cash FlowTrailing 4 quarters
$11.7M
$-591.7K

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ESP
ESP
FSI
FSI
Q4 25
$-2.8M
$-3.0M
Q3 25
$5.7M
$2.0M
Q2 25
$2.8M
$5.3M
Q1 25
$11.5M
$-544.3K
Q4 24
$5.4M
$-2.2M
Q3 24
$1.4M
$2.5M
Q2 24
$3.2M
$5.9M
Q1 24
$1.4M
$-604.8K
Free Cash Flow
ESP
ESP
FSI
FSI
Q4 25
$-4.1M
$-4.0M
Q3 25
$4.4M
$39.4K
Q2 25
$915.3K
$4.3M
Q1 25
$10.5M
$-898.4K
Q4 24
$4.5M
$-4.3M
Q3 24
$724.8K
$1.3M
Q2 24
$2.6M
$4.7M
Q1 24
$379.1K
$-1.1M
FCF Margin
ESP
ESP
FSI
FSI
Q4 25
-34.1%
-44.3%
Q3 25
48.7%
0.4%
Q2 25
9.5%
37.9%
Q1 25
101.8%
-12.0%
Q4 24
33.0%
-47.0%
Q3 24
6.9%
13.6%
Q2 24
22.2%
44.9%
Q1 24
4.6%
-11.7%
Capex Intensity
ESP
ESP
FSI
FSI
Q4 25
10.9%
11.7%
Q3 25
14.2%
18.7%
Q2 25
19.3%
8.6%
Q1 25
9.3%
4.7%
Q4 24
6.5%
22.8%
Q3 24
6.4%
13.0%
Q2 24
5.7%
11.3%
Q1 24
12.5%
5.2%
Cash Conversion
ESP
ESP
FSI
FSI
Q4 25
-1.00×
Q3 25
2.64×
Q2 25
0.95×
2.60×
Q1 25
6.72×
Q4 24
2.82×
-3.27×
Q3 24
0.87×
4.05×
Q2 24
1.71×
4.59×
Q1 24
1.37×
-1.32×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ESP
ESP

ASC606$11.3M93%
Other$855.0K7%

FSI
FSI

Segment breakdown not available.

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