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Side-by-side financial comparison of CSP INC (CSPI) and PRO DEX INC (PDEX). Click either name above to swap in a different company.

PRO DEX INC is the larger business by last-quarter revenue ($18.7M vs $12.0M, roughly 1.6× CSP INC). PRO DEX INC runs the higher net margin — 11.7% vs 0.8%, a 11.0% gap on every dollar of revenue. On growth, PRO DEX INC posted the faster year-over-year revenue change (11.1% vs -23.2%). PRO DEX INC produced more free cash flow last quarter ($3.5M vs $-3.0M). Over the past eight quarters, PRO DEX INC's revenue compounded faster (14.3% CAGR vs -6.3%).

CSP Inc. is a U.S.-based technology firm offering cybersecurity solutions, managed IT services, high-performance computing systems, and IT consulting support. It serves enterprises across healthcare, finance, manufacturing, and public sectors in North America and select global markets.

Pro Dex Inc is a precision manufacturing enterprise that produces custom machined components, subassemblies and finished products primarily for medical device original equipment manufacturers, as well as clients in the aerospace and industrial sectors, with its core operating market covering North America.

CSPI vs PDEX — Head-to-Head

Bigger by revenue
PDEX
PDEX
1.6× larger
PDEX
$18.7M
$12.0M
CSPI
Growing faster (revenue YoY)
PDEX
PDEX
+34.3% gap
PDEX
11.1%
-23.2%
CSPI
Higher net margin
PDEX
PDEX
11.0% more per $
PDEX
11.7%
0.8%
CSPI
More free cash flow
PDEX
PDEX
$6.5M more FCF
PDEX
$3.5M
$-3.0M
CSPI
Faster 2-yr revenue CAGR
PDEX
PDEX
Annualised
PDEX
14.3%
-6.3%
CSPI

Income Statement — Q1 FY2026 vs Q2 FY2026

Metric
CSPI
CSPI
PDEX
PDEX
Revenue
$12.0M
$18.7M
Net Profit
$91.0K
$2.2M
Gross Margin
39.3%
30.8%
Operating Margin
-0.9%
17.5%
Net Margin
0.8%
11.7%
Revenue YoY
-23.2%
11.1%
Net Profit YoY
-80.7%
7.2%
EPS (diluted)
$0.01
$0.66

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
CSPI
CSPI
PDEX
PDEX
Q4 25
$12.0M
$18.7M
Q3 25
$14.5M
$18.5M
Q2 25
$15.4M
$17.5M
Q1 25
$13.1M
$17.4M
Q4 24
$15.7M
$16.8M
Q3 24
$13.0M
$14.9M
Q2 24
$13.1M
$15.0M
Q1 24
$13.7M
$14.3M
Net Profit
CSPI
CSPI
PDEX
PDEX
Q4 25
$91.0K
$2.2M
Q3 25
$-191.0K
$4.7M
Q2 25
$-264.0K
$1.2M
Q1 25
$-108.0K
$3.3M
Q4 24
$472.0K
$2.0M
Q3 24
$-1.7M
$2.5M
Q2 24
$-185.0K
$1.6M
Q1 24
$1.6M
$655.0K
Gross Margin
CSPI
CSPI
PDEX
PDEX
Q4 25
39.3%
30.8%
Q3 25
36.6%
29.0%
Q2 25
28.8%
19.9%
Q1 25
32.0%
33.3%
Q4 24
29.1%
30.2%
Q3 24
28.4%
34.6%
Q2 24
35.0%
27.2%
Q1 24
47.3%
28.0%
Operating Margin
CSPI
CSPI
PDEX
PDEX
Q4 25
-0.9%
17.5%
Q3 25
-3.7%
16.8%
Q2 25
-7.9%
7.7%
Q1 25
-7.6%
20.9%
Q4 24
-2.3%
16.0%
Q3 24
-15.7%
20.2%
Q2 24
-5.5%
15.6%
Q1 24
9.0%
15.5%
Net Margin
CSPI
CSPI
PDEX
PDEX
Q4 25
0.8%
11.7%
Q3 25
-1.3%
25.3%
Q2 25
-1.7%
6.8%
Q1 25
-0.8%
18.8%
Q4 24
3.0%
12.1%
Q3 24
-12.7%
16.6%
Q2 24
-1.4%
10.6%
Q1 24
11.6%
4.6%
EPS (diluted)
CSPI
CSPI
PDEX
PDEX
Q4 25
$0.01
$0.66
Q3 25
$-0.02
$1.40
Q2 25
$-0.03
$0.33
Q1 25
$-0.01
$0.98
Q4 24
$0.05
$0.61
Q3 24
$-0.17
$0.75
Q2 24
$-0.02
$0.44
Q1 24
$0.16
$0.19

Balance Sheet & Financial Strength

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

Metric
CSPI
CSPI
PDEX
PDEX
Cash + ST InvestmentsLiquidity on hand
$24.9M
$6.1M
Total DebtLower is stronger
Stockholders' EquityBook value
$44.8M
$41.6M
Total Assets
$69.2M
$62.3M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CSPI
CSPI
PDEX
PDEX
Q4 25
$24.9M
$6.1M
Q3 25
$27.4M
$10.1M
Q2 25
$26.3M
$6.8M
Q1 25
$29.5M
$5.5M
Q4 24
$30.7M
$4.7M
Q3 24
$30.6M
$7.8M
Q2 24
$28.9M
$6.8M
Q1 24
$27.1M
$7.8M
Total Debt
CSPI
CSPI
PDEX
PDEX
Q4 25
Q3 25
Q2 25
$15.4M
Q1 25
Q4 24
Q3 24
Q2 24
$12.0M
Q1 24
Stockholders' Equity
CSPI
CSPI
PDEX
PDEX
Q4 25
$44.8M
$41.6M
Q3 25
$44.6M
$41.5M
Q2 25
$47.5M
$36.6M
Q1 25
$47.5M
$35.3M
Q4 24
$47.5M
$31.8M
Q3 24
$47.3M
$30.9M
Q2 24
$48.1M
$30.9M
Q1 24
$48.2M
$30.9M
Total Assets
CSPI
CSPI
PDEX
PDEX
Q4 25
$69.2M
$62.3M
Q3 25
$71.2M
$64.3M
Q2 25
$66.8M
$61.2M
Q1 25
$67.1M
$64.3M
Q4 24
$67.5M
$60.4M
Q3 24
$69.4M
$54.3M
Q2 24
$66.8M
$52.5M
Q1 24
$64.2M
$50.5M
Debt / Equity
CSPI
CSPI
PDEX
PDEX
Q4 25
Q3 25
Q2 25
0.42×
Q1 25
Q4 24
Q3 24
Q2 24
0.39×
Q1 24

Cash Flow & Capital Efficiency

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

Metric
CSPI
CSPI
PDEX
PDEX
Operating Cash FlowLast quarter
$-2.9M
$3.6M
Free Cash FlowOCF − Capex
$-3.0M
$3.5M
FCF MarginFCF / Revenue
-25.1%
18.8%
Capex IntensityCapex / Revenue
0.9%
0.4%
Cash ConversionOCF / Net Profit
-32.04×
1.63×
TTM Free Cash FlowTrailing 4 quarters
$-2.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CSPI
CSPI
PDEX
PDEX
Q4 25
$-2.9M
$3.6M
Q3 25
$1.9M
$2.3M
Q2 25
$-3.3M
$-173.0K
Q1 25
$1.9M
$754.0K
Q4 24
$1.7M
$-4.2M
Q3 24
$-1.5M
$1.9M
Q2 24
$2.4M
$1.0M
Q1 24
$1.7M
$4.1M
Free Cash Flow
CSPI
CSPI
PDEX
PDEX
Q4 25
$-3.0M
$3.5M
Q3 25
$1.7M
$2.2M
Q2 25
$-3.3M
Q1 25
$1.9M
$574.0K
Q4 24
$1.7M
$-4.7M
Q3 24
$-1.5M
$1.5M
Q2 24
$2.4M
Q1 24
$1.6M
$4.0M
FCF Margin
CSPI
CSPI
PDEX
PDEX
Q4 25
-25.1%
18.8%
Q3 25
11.5%
11.9%
Q2 25
-21.7%
Q1 25
14.5%
3.3%
Q4 24
10.8%
-27.9%
Q3 24
-11.7%
9.8%
Q2 24
17.9%
Q1 24
11.9%
27.7%
Capex Intensity
CSPI
CSPI
PDEX
PDEX
Q4 25
0.9%
0.4%
Q3 25
1.6%
0.5%
Q2 25
0.4%
Q1 25
0.1%
1.0%
Q4 24
0.3%
3.2%
Q3 24
0.1%
2.9%
Q2 24
0.3%
Q1 24
0.1%
0.8%
Cash Conversion
CSPI
CSPI
PDEX
PDEX
Q4 25
-32.04×
1.63×
Q3 25
0.49×
Q2 25
-0.14×
Q1 25
0.23×
Q4 24
3.69×
-2.03×
Q3 24
0.77×
Q2 24
0.66×
Q1 24
1.04×
6.22×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CSPI
CSPI

Products$6.7M56%
Services$5.3M44%

PDEX
PDEX

Segment breakdown not available.

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