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

DUCOMMUN INC is the larger business by last-quarter revenue ($215.8M vs $154.4M, roughly 1.4× WD 40 CO). WD 40 CO runs the higher net margin — 11.3% vs 3.4%, a 7.9% gap on every dollar of revenue. On growth, DUCOMMUN INC posted the faster year-over-year revenue change (9.4% vs 0.6%). WD 40 CO produced more free cash flow last quarter ($9.1M vs $-78.8M). Over the past eight quarters, DUCOMMUN INC's revenue compounded faster (6.3% CAGR vs 5.4%).

Ducommun Inc. is a global aerospace and defense manufacturing enterprise that provides complex structural components, electronic systems and professional engineering services. It mainly serves clients across the commercial aviation, military defense and space sectors, delivering high-reliability solutions for critical aerospace application scenarios.

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.

DCO vs WDFC — Head-to-Head

Bigger by revenue
DCO
DCO
1.4× larger
DCO
$215.8M
$154.4M
WDFC
Growing faster (revenue YoY)
DCO
DCO
+8.8% gap
DCO
9.4%
0.6%
WDFC
Higher net margin
WDFC
WDFC
7.9% more per $
WDFC
11.3%
3.4%
DCO
More free cash flow
WDFC
WDFC
$87.8M more FCF
WDFC
$9.1M
$-78.8M
DCO
Faster 2-yr revenue CAGR
DCO
DCO
Annualised
DCO
6.3%
5.4%
WDFC

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
DCO
DCO
WDFC
WDFC
Revenue
$215.8M
$154.4M
Net Profit
$7.4M
$17.5M
Gross Margin
27.7%
56.2%
Operating Margin
6.5%
15.1%
Net Margin
3.4%
11.3%
Revenue YoY
9.4%
0.6%
Net Profit YoY
9.9%
-7.8%
EPS (diluted)
$0.52
$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
DCO
DCO
WDFC
WDFC
Q4 25
$215.8M
$154.4M
Q3 25
$212.6M
$163.5M
Q2 25
$202.3M
$156.9M
Q1 25
$194.1M
$146.1M
Q4 24
$197.3M
$153.5M
Q3 24
$201.4M
$156.0M
Q2 24
$197.0M
$155.0M
Q1 24
$190.8M
$139.1M
Net Profit
DCO
DCO
WDFC
WDFC
Q4 25
$7.4M
$17.5M
Q3 25
$-64.4M
$21.2M
Q2 25
$12.6M
$21.0M
Q1 25
$10.5M
$29.9M
Q4 24
$6.8M
$18.9M
Q3 24
$10.1M
$16.8M
Q2 24
$7.7M
$19.8M
Q1 24
$6.8M
$15.5M
Gross Margin
DCO
DCO
WDFC
WDFC
Q4 25
27.7%
56.2%
Q3 25
26.6%
54.7%
Q2 25
26.6%
56.2%
Q1 25
26.6%
54.6%
Q4 24
23.5%
54.8%
Q3 24
26.2%
54.1%
Q2 24
26.0%
53.1%
Q1 24
24.6%
52.4%
Operating Margin
DCO
DCO
WDFC
WDFC
Q4 25
6.5%
15.1%
Q3 25
-37.7%
17.1%
Q2 25
8.5%
17.4%
Q1 25
8.5%
15.9%
Q4 24
5.3%
16.4%
Q3 24
7.6%
15.4%
Q2 24
7.1%
17.5%
Q1 24
6.6%
15.1%
Net Margin
DCO
DCO
WDFC
WDFC
Q4 25
3.4%
11.3%
Q3 25
-30.3%
13.0%
Q2 25
6.2%
13.4%
Q1 25
5.4%
20.4%
Q4 24
3.4%
12.3%
Q3 24
5.0%
10.8%
Q2 24
3.9%
12.8%
Q1 24
3.6%
11.2%
EPS (diluted)
DCO
DCO
WDFC
WDFC
Q4 25
$0.52
$1.28
Q3 25
$-4.30
$1.57
Q2 25
$0.82
$1.54
Q1 25
$0.69
$2.19
Q4 24
$0.45
$1.39
Q3 24
$0.67
$1.23
Q2 24
$0.52
$1.46
Q1 24
$0.46
$1.14

Balance Sheet & Financial Strength

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

Metric
DCO
DCO
WDFC
WDFC
Cash + ST InvestmentsLiquidity on hand
$45.3M
$48.6M
Total DebtLower is stronger
$298.8M
$85.7M
Stockholders' EquityBook value
$662.1M
$264.1M
Total Assets
$1.2B
$459.7M
Debt / EquityLower = less leverage
0.45×
0.32×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DCO
DCO
WDFC
WDFC
Q4 25
$45.3M
$48.6M
Q3 25
$50.9M
$58.1M
Q2 25
$37.1M
$51.7M
Q1 25
$30.7M
$53.0M
Q4 24
$37.1M
$54.9M
Q3 24
$37.3M
$46.7M
Q2 24
$29.4M
$45.3M
Q1 24
$32.1M
$55.4M
Total Debt
DCO
DCO
WDFC
WDFC
Q4 25
$298.8M
$85.7M
Q3 25
$215.0M
$86.2M
Q2 25
$218.1M
$85.6M
Q1 25
$229.9M
$84.4M
Q4 24
$229.8M
$84.6M
Q3 24
$246.0M
$86.0M
Q2 24
$250.9M
$85.5M
Q1 24
$253.9M
$85.9M
Stockholders' Equity
DCO
DCO
WDFC
WDFC
Q4 25
$662.1M
$264.1M
Q3 25
$649.0M
$268.2M
Q2 25
$707.8M
$257.1M
Q1 25
$693.0M
$242.1M
Q4 24
$682.5M
$226.3M
Q3 24
$665.6M
$230.5M
Q2 24
$655.9M
$222.2M
Q1 24
$645.5M
$216.3M
Total Assets
DCO
DCO
WDFC
WDFC
Q4 25
$1.2B
$459.7M
Q3 25
$1.2B
$475.8M
Q2 25
$1.1B
$456.0M
Q1 25
$1.1B
$458.3M
Q4 24
$1.1B
$447.3M
Q3 24
$1.1B
$449.0M
Q2 24
$1.1B
$443.6M
Q1 24
$1.1B
$442.0M
Debt / Equity
DCO
DCO
WDFC
WDFC
Q4 25
0.45×
0.32×
Q3 25
0.33×
0.32×
Q2 25
0.31×
0.33×
Q1 25
0.33×
0.35×
Q4 24
0.34×
0.37×
Q3 24
0.37×
0.37×
Q2 24
0.38×
0.38×
Q1 24
0.39×
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
DCO
DCO
WDFC
WDFC
Operating Cash FlowLast quarter
$-74.7M
$10.0M
Free Cash FlowOCF − Capex
$-78.8M
$9.1M
FCF MarginFCF / Revenue
-36.5%
5.9%
Capex IntensityCapex / Revenue
1.9%
0.6%
Cash ConversionOCF / Net Profit
-10.03×
0.57×
TTM Free Cash FlowTrailing 4 quarters
$-48.6M
$78.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DCO
DCO
WDFC
WDFC
Q4 25
$-74.7M
$10.0M
Q3 25
$18.1M
$29.9M
Q2 25
$22.4M
$35.1M
Q1 25
$771.0K
$8.0M
Q4 24
$18.4M
$14.9M
Q3 24
$13.9M
$27.2M
Q2 24
$3.5M
$19.9M
Q1 24
$-1.6M
$18.0M
Free Cash Flow
DCO
DCO
WDFC
WDFC
Q4 25
$-78.8M
$9.1M
Q3 25
$16.0M
$28.6M
Q2 25
$18.1M
$34.0M
Q1 25
$-4.0M
$6.6M
Q4 24
$14.6M
$14.2M
Q3 24
$12.0M
$26.4M
Q2 24
$144.0K
$18.7M
Q1 24
$-6.6M
$16.7M
FCF Margin
DCO
DCO
WDFC
WDFC
Q4 25
-36.5%
5.9%
Q3 25
7.5%
17.5%
Q2 25
9.0%
21.6%
Q1 25
-2.1%
4.5%
Q4 24
7.4%
9.3%
Q3 24
5.9%
16.9%
Q2 24
0.1%
12.0%
Q1 24
-3.5%
12.0%
Capex Intensity
DCO
DCO
WDFC
WDFC
Q4 25
1.9%
0.6%
Q3 25
1.0%
0.8%
Q2 25
2.1%
0.7%
Q1 25
2.5%
0.9%
Q4 24
2.0%
0.5%
Q3 24
1.0%
0.5%
Q2 24
1.7%
0.8%
Q1 24
2.6%
0.9%
Cash Conversion
DCO
DCO
WDFC
WDFC
Q4 25
-10.03×
0.57×
Q3 25
1.41×
Q2 25
1.79×
1.67×
Q1 25
0.07×
0.27×
Q4 24
2.72×
0.79×
Q3 24
1.37×
1.62×
Q2 24
0.45×
1.00×
Q1 24
-0.24×
1.16×

Financial Flow Comparison

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

Revenue Breakdown by Segment

DCO
DCO

Other$90.1M42%
Militaryand Space$60.0M28%
Electronic Systems Segment$31.3M15%
Commercial Aerospace$24.8M11%
Estimate At Completion Adjustment$6.6M3%
Industrial$3.0M1%

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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