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Side-by-side financial comparison of Ametek (AME) and ONE STOP SYSTEMS, INC. (OSS). Click either name above to swap in a different company.

Ametek runs the higher net margin — 19.9% vs -68.7%, a 88.6% gap on every dollar of revenue. On growth, ONE STOP SYSTEMS, INC. posted the faster year-over-year revenue change (13.9% vs 13.4%). Over the past eight quarters, ONE STOP SYSTEMS, INC.'s revenue compounded faster (NaN% CAGR vs NaN%).

AMETEK, Inc. is an American multinational conglomerate and global designer and manufacturer of electronic instruments and electromechanical devices with headquarters in the United States and over 150 sites worldwide.

Elbit Systems Ltd. is an Israel-based international military technology company and defense contractor. Founded in 1966 by Elron, Elbit Systems is the primary provider of the Israeli military's land-based equipment and unmanned aerial vehicles. It is an important company within the defense industry of Israel.

AME vs OSS — Head-to-Head

Bigger by revenue
AME
AME
-154.8× larger
AME
$2.0B
$-12.9M
OSS
Growing faster (revenue YoY)
OSS
OSS
+0.5% gap
OSS
13.9%
13.4%
AME
Higher net margin
AME
AME
88.6% more per $
AME
19.9%
-68.7%
OSS
Faster 2-yr revenue CAGR
OSS
OSS
Annualised
OSS
NaN%
7.3%
AME

Income Statement — Q4 2025 vs Q4 2025

Metric
AME
AME
OSS
OSS
Revenue
$2.0B
$-12.9M
Net Profit
$398.6M
$8.9M
Gross Margin
36.0%
Operating Margin
25.3%
Net Margin
19.9%
-68.7%
Revenue YoY
13.4%
13.9%
Net Profit YoY
2.9%
382.7%
EPS (diluted)
$1.73
$0.39

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
AME
AME
OSS
OSS
Q4 25
$2.0B
$-12.9M
Q3 25
$1.9B
$18.8M
Q2 25
$1.8B
$14.1M
Q1 25
$1.7B
$12.3M
Q4 24
$1.8B
$-15.0M
Q3 24
$1.7B
$13.7M
Q2 24
$1.7B
$13.2M
Q1 24
$1.7B
$12.7M
Net Profit
AME
AME
OSS
OSS
Q4 25
$398.6M
$8.9M
Q3 25
$371.4M
$263.5K
Q2 25
$358.4M
$-2.0M
Q1 25
$351.8M
$-2.0M
Q4 24
$387.3M
$-3.1M
Q3 24
$340.2M
$-6.8M
Q2 24
$337.7M
$-2.3M
Q1 24
$310.9M
$-1.3M
Gross Margin
AME
AME
OSS
OSS
Q4 25
36.0%
Q3 25
36.3%
35.7%
Q2 25
35.8%
31.3%
Q1 25
36.1%
32.6%
Q4 24
36.6%
Q3 24
36.0%
-12.5%
Q2 24
36.0%
25.2%
Q1 24
34.1%
29.4%
Operating Margin
AME
AME
OSS
OSS
Q4 25
25.3%
Q3 25
25.8%
3.0%
Q2 25
26.0%
-12.9%
Q1 25
26.3%
-15.9%
Q4 24
26.6%
Q3 24
26.1%
-49.1%
Q2 24
25.8%
-17.1%
Q1 24
24.0%
-10.0%
Net Margin
AME
AME
OSS
OSS
Q4 25
19.9%
-68.7%
Q3 25
19.6%
1.4%
Q2 25
20.2%
-14.3%
Q1 25
20.3%
-16.5%
Q4 24
22.0%
20.9%
Q3 24
19.9%
-49.7%
Q2 24
19.5%
-17.8%
Q1 24
17.9%
-10.6%
EPS (diluted)
AME
AME
OSS
OSS
Q4 25
$1.73
$0.39
Q3 25
$1.60
$0.01
Q2 25
$1.55
$-0.09
Q1 25
$1.52
$-0.09
Q4 24
$1.67
$-0.16
Q3 24
$1.47
$-0.32
Q2 24
$1.45
$-0.11
Q1 24
$1.34
$-0.06

Balance Sheet & Financial Strength

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

Metric
AME
AME
OSS
OSS
Cash + ST InvestmentsLiquidity on hand
$458.0M
$31.2M
Total DebtLower is stronger
$2.3B
Stockholders' EquityBook value
$10.6B
$46.0M
Total Assets
$16.1B
$52.8M
Debt / EquityLower = less leverage
0.21×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AME
AME
OSS
OSS
Q4 25
$458.0M
$31.2M
Q3 25
$439.2M
$6.5M
Q2 25
$619.7M
$9.5M
Q1 25
$399.0M
$9.1M
Q4 24
$374.0M
$7.3M
Q3 24
$396.3M
$12.6M
Q2 24
$396.6M
$11.8M
Q1 24
$373.8M
$12.9M
Total Debt
AME
AME
OSS
OSS
Q4 25
$2.3B
Q3 25
Q2 25
Q1 25
Q4 24
$2.1B
Q3 24
Q2 24
Q1 24
Stockholders' Equity
AME
AME
OSS
OSS
Q4 25
$10.6B
$46.0M
Q3 25
$10.5B
$26.3M
Q2 25
$10.4B
$26.2M
Q1 25
$10.0B
$26.0M
Q4 24
$9.7B
$27.2M
Q3 24
$9.6B
$30.6M
Q2 24
$9.3B
$36.5M
Q1 24
$9.0B
$38.4M
Total Assets
AME
AME
OSS
OSS
Q4 25
$16.1B
$52.8M
Q3 25
$16.2B
$43.1M
Q2 25
$15.3B
$39.4M
Q1 25
$14.9B
$37.1M
Q4 24
$14.6B
$36.9M
Q3 24
$14.8B
$43.7M
Q2 24
$14.8B
$47.4M
Q1 24
$14.9B
$48.3M
Debt / Equity
AME
AME
OSS
OSS
Q4 25
0.21×
Q3 25
Q2 25
Q1 25
Q4 24
0.22×
Q3 24
Q2 24
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
AME
AME
OSS
OSS
Operating Cash FlowLast quarter
$584.3M
Free Cash FlowOCF − Capex
$527.3M
FCF MarginFCF / Revenue
26.4%
Capex IntensityCapex / Revenue
2.9%
-2.7%
Cash ConversionOCF / Net Profit
1.47×
TTM Free Cash FlowTrailing 4 quarters
$1.7B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AME
AME
OSS
OSS
Q4 25
$584.3M
Q3 25
$440.9M
$-3.4M
Q2 25
$359.1M
$-368.7K
Q1 25
$417.5M
$-1.1M
Q4 24
$550.0M
$-2.3M
Q3 24
$487.2M
$916.8K
Q2 24
$381.4M
$-816.6K
Q1 24
$410.2M
$2.0M
Free Cash Flow
AME
AME
OSS
OSS
Q4 25
$527.3M
Q3 25
$420.0M
$-3.7M
Q2 25
$329.8M
$-529.2K
Q1 25
$394.5M
$-1.1M
Q4 24
$498.3M
$-2.3M
Q3 24
$460.9M
$822.1K
Q2 24
$360.0M
$-853.6K
Q1 24
$382.6M
$1.9M
FCF Margin
AME
AME
OSS
OSS
Q4 25
26.4%
Q3 25
22.2%
-19.8%
Q2 25
18.5%
-3.8%
Q1 25
22.8%
-9.4%
Q4 24
28.3%
15.5%
Q3 24
27.0%
6.0%
Q2 24
20.8%
-6.5%
Q1 24
22.0%
14.8%
Capex Intensity
AME
AME
OSS
OSS
Q4 25
2.9%
-2.7%
Q3 25
1.1%
1.6%
Q2 25
1.6%
1.1%
Q1 25
1.3%
0.1%
Q4 24
2.9%
-0.5%
Q3 24
1.5%
0.7%
Q2 24
1.2%
0.3%
Q1 24
1.6%
1.3%
Cash Conversion
AME
AME
OSS
OSS
Q4 25
1.47×
Q3 25
1.19×
-12.98×
Q2 25
1.00×
Q1 25
1.19×
Q4 24
1.42×
Q3 24
1.43×
Q2 24
1.13×
Q1 24
1.32×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AME
AME

Transferred At Point In Time$1.1B54%
Electronic Instruments Group$620.1M31%
Transferred Over Time$294.6M15%

OSS
OSS

Segment breakdown not available.

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