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Side-by-side financial comparison of DUCOMMUN INC (DCO) and OSI SYSTEMS INC (OSIS). Click either name above to swap in a different company.

OSI SYSTEMS INC is the larger business by last-quarter revenue ($464.1M vs $215.8M, roughly 2.2× DUCOMMUN INC). OSI SYSTEMS INC runs the higher net margin — 8.3% vs 3.4%, a 4.9% gap on every dollar of revenue. On growth, OSI SYSTEMS INC posted the faster year-over-year revenue change (10.5% vs 9.4%). OSI SYSTEMS INC produced more free cash flow last quarter ($55.5M vs $-78.8M). Over the past eight quarters, OSI SYSTEMS INC's revenue compounded faster (7.0% CAGR vs 6.3%).

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.

OSI Systems, Inc. is an American company based in California that develops and markets security and inspection systems such as airport security X-ray machines and metal detectors, medical monitoring and anesthesia systems, and optoelectronic devices. As of June 2010, the company employs approximately 3,180 personnel globally and includes subsidiary companies Spacelabs Healthcare, Rapiscan Systems and OSI Optoelectronics.

DCO vs OSIS — Head-to-Head

Bigger by revenue
OSIS
OSIS
2.2× larger
OSIS
$464.1M
$215.8M
DCO
Growing faster (revenue YoY)
OSIS
OSIS
+1.2% gap
OSIS
10.5%
9.4%
DCO
Higher net margin
OSIS
OSIS
4.9% more per $
OSIS
8.3%
3.4%
DCO
More free cash flow
OSIS
OSIS
$134.3M more FCF
OSIS
$55.5M
$-78.8M
DCO
Faster 2-yr revenue CAGR
OSIS
OSIS
Annualised
OSIS
7.0%
6.3%
DCO

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
DCO
DCO
OSIS
OSIS
Revenue
$215.8M
$464.1M
Net Profit
$7.4M
$38.7M
Gross Margin
27.7%
32.7%
Operating Margin
6.5%
12.7%
Net Margin
3.4%
8.3%
Revenue YoY
9.4%
10.5%
Net Profit YoY
9.9%
2.3%
EPS (diluted)
$0.52
$2.22

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
OSIS
OSIS
Q4 25
$215.8M
$464.1M
Q3 25
$212.6M
$384.6M
Q2 25
$202.3M
$505.0M
Q1 25
$194.1M
$444.4M
Q4 24
$197.3M
$419.8M
Q3 24
$201.4M
$344.0M
Q2 24
$197.0M
$480.9M
Q1 24
$190.8M
$405.4M
Net Profit
DCO
DCO
OSIS
OSIS
Q4 25
$7.4M
$38.7M
Q3 25
$-64.4M
$20.6M
Q2 25
$12.6M
$52.7M
Q1 25
$10.5M
$41.1M
Q4 24
$6.8M
$37.8M
Q3 24
$10.1M
$17.9M
Q2 24
$7.7M
$44.7M
Q1 24
$6.8M
$34.0M
Gross Margin
DCO
DCO
OSIS
OSIS
Q4 25
27.7%
32.7%
Q3 25
26.6%
32.0%
Q2 25
26.6%
33.3%
Q1 25
26.6%
33.8%
Q4 24
23.5%
35.1%
Q3 24
26.2%
35.3%
Q2 24
26.0%
32.1%
Q1 24
24.6%
33.6%
Operating Margin
DCO
DCO
OSIS
OSIS
Q4 25
6.5%
12.7%
Q3 25
-37.7%
8.6%
Q2 25
8.5%
14.5%
Q1 25
8.5%
12.7%
Q4 24
5.3%
13.8%
Q3 24
7.6%
8.8%
Q2 24
7.1%
13.1%
Q1 24
6.6%
12.7%
Net Margin
DCO
DCO
OSIS
OSIS
Q4 25
3.4%
8.3%
Q3 25
-30.3%
5.3%
Q2 25
6.2%
10.4%
Q1 25
5.4%
9.3%
Q4 24
3.4%
9.0%
Q3 24
5.0%
5.2%
Q2 24
3.9%
9.3%
Q1 24
3.6%
8.4%
EPS (diluted)
DCO
DCO
OSIS
OSIS
Q4 25
$0.52
$2.22
Q3 25
$-4.30
$1.18
Q2 25
$0.82
$3.04
Q1 25
$0.69
$2.40
Q4 24
$0.45
$2.22
Q3 24
$0.67
$1.05
Q2 24
$0.52
$2.57
Q1 24
$0.46
$1.95

Balance Sheet & Financial Strength

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

Metric
DCO
DCO
OSIS
OSIS
Cash + ST InvestmentsLiquidity on hand
$45.3M
$336.7M
Total DebtLower is stronger
$298.8M
$1.0B
Stockholders' EquityBook value
$662.1M
$845.5M
Total Assets
$1.2B
$2.5B
Debt / EquityLower = less leverage
0.45×
1.19×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
DCO
DCO
OSIS
OSIS
Q4 25
$45.3M
$336.7M
Q3 25
$50.9M
$124.4M
Q2 25
$37.1M
$106.4M
Q1 25
$30.7M
$95.8M
Q4 24
$37.1M
$101.6M
Q3 24
$37.3M
$85.1M
Q2 24
$29.4M
$95.4M
Q1 24
$32.1M
$101.4M
Total Debt
DCO
DCO
OSIS
OSIS
Q4 25
$298.8M
$1.0B
Q3 25
$215.0M
$442.2M
Q2 25
$218.1M
$471.6M
Q1 25
$229.9M
$473.2M
Q4 24
$229.8M
$474.8M
Q3 24
$246.0M
$476.3M
Q2 24
$250.9M
$137.6M
Q1 24
$253.9M
Stockholders' Equity
DCO
DCO
OSIS
OSIS
Q4 25
$662.1M
$845.5M
Q3 25
$649.0M
$946.0M
Q2 25
$707.8M
$951.1M
Q1 25
$693.0M
$879.3M
Q4 24
$682.5M
$825.8M
Q3 24
$665.6M
$786.5M
Q2 24
$655.9M
$863.5M
Q1 24
$645.5M
$813.4M
Total Assets
DCO
DCO
OSIS
OSIS
Q4 25
$1.2B
$2.5B
Q3 25
$1.2B
$2.3B
Q2 25
$1.1B
$2.2B
Q1 25
$1.1B
$2.1B
Q4 24
$1.1B
$2.1B
Q3 24
$1.1B
$2.1B
Q2 24
$1.1B
$1.9B
Q1 24
$1.1B
$1.8B
Debt / Equity
DCO
DCO
OSIS
OSIS
Q4 25
0.45×
1.19×
Q3 25
0.33×
0.47×
Q2 25
0.31×
0.50×
Q1 25
0.33×
0.54×
Q4 24
0.34×
0.57×
Q3 24
0.37×
0.61×
Q2 24
0.38×
0.16×
Q1 24
0.39×

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
OSIS
OSIS
Operating Cash FlowLast quarter
$-74.7M
$62.2M
Free Cash FlowOCF − Capex
$-78.8M
$55.5M
FCF MarginFCF / Revenue
-36.5%
12.0%
Capex IntensityCapex / Revenue
1.9%
1.4%
Cash ConversionOCF / Net Profit
-10.03×
1.61×
TTM Free Cash FlowTrailing 4 quarters
$-48.6M
$137.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
DCO
DCO
OSIS
OSIS
Q4 25
$-74.7M
$62.2M
Q3 25
$18.1M
$17.1M
Q2 25
$22.4M
$562.0K
Q1 25
$771.0K
$81.6M
Q4 24
$18.4M
$52.5M
Q3 24
$13.9M
$-37.2M
Q2 24
$3.5M
$-29.0M
Q1 24
$-1.6M
$-52.1M
Free Cash Flow
DCO
DCO
OSIS
OSIS
Q4 25
$-78.8M
$55.5M
Q3 25
$16.0M
$10.1M
Q2 25
$18.1M
$-5.6M
Q1 25
$-4.0M
$77.1M
Q4 24
$14.6M
$47.1M
Q3 24
$12.0M
$-44.9M
Q2 24
$144.0K
$-37.5M
Q1 24
$-6.6M
$-57.0M
FCF Margin
DCO
DCO
OSIS
OSIS
Q4 25
-36.5%
12.0%
Q3 25
7.5%
2.6%
Q2 25
9.0%
-1.1%
Q1 25
-2.1%
17.4%
Q4 24
7.4%
11.2%
Q3 24
5.9%
-13.0%
Q2 24
0.1%
-7.8%
Q1 24
-3.5%
-14.1%
Capex Intensity
DCO
DCO
OSIS
OSIS
Q4 25
1.9%
1.4%
Q3 25
1.0%
1.8%
Q2 25
2.1%
1.2%
Q1 25
2.5%
1.0%
Q4 24
2.0%
1.3%
Q3 24
1.0%
2.2%
Q2 24
1.7%
1.8%
Q1 24
2.6%
1.2%
Cash Conversion
DCO
DCO
OSIS
OSIS
Q4 25
-10.03×
1.61×
Q3 25
0.83×
Q2 25
1.79×
0.01×
Q1 25
0.07×
1.98×
Q4 24
2.72×
1.39×
Q3 24
1.37×
-2.07×
Q2 24
0.45×
-0.65×
Q1 24
-0.24×
-1.53×

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%

OSIS
OSIS

Security Division$334.7M72%
Optoelectronics And Manufacturing Division$92.8M20%
Healthcare Division$36.5M8%

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