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Side-by-side financial comparison of ADVANCED ENERGY INDUSTRIES INC (AEIS) and NORTECH SYSTEMS INC (NSYS). Click either name above to swap in a different company.

ADVANCED ENERGY INDUSTRIES INC is the larger business by last-quarter revenue ($489.4M vs $30.3M, roughly 16.1× NORTECH SYSTEMS INC). ADVANCED ENERGY INDUSTRIES INC runs the higher net margin — 10.7% vs 3.0%, a 7.7% gap on every dollar of revenue. On growth, ADVANCED ENERGY INDUSTRIES INC posted the faster year-over-year revenue change (17.8% vs 5.9%). ADVANCED ENERGY INDUSTRIES INC produced more free cash flow last quarter ($43.0M vs $5.5M). Over the past eight quarters, ADVANCED ENERGY INDUSTRIES INC's revenue compounded faster (22.2% CAGR vs -5.9%).

Advanced Energy Industries, Inc. is an American multinational technology company headquartered in Denver, Colorado that develops precision power conversion, measurement and control technologies for the manufacture of semiconductors, flat panel displays, data storage products, telecommunications network equipment, industrial coatings, medical devices, solar cells and architectural glass.

Nortech Systems Inc is a global electronics manufacturing services provider. It delivers end-to-end solutions covering product design, prototyping, full-scale production, and supply chain management for clients operating in medical technology, industrial automation, aerospace and defense, and transportation sectors. It specializes in high-reliability, regulatory-compliant electronic components and assemblies tailored to strict industry standards.

AEIS vs NSYS — Head-to-Head

Bigger by revenue
AEIS
AEIS
16.1× larger
AEIS
$489.4M
$30.3M
NSYS
Growing faster (revenue YoY)
AEIS
AEIS
+11.9% gap
AEIS
17.8%
5.9%
NSYS
Higher net margin
AEIS
AEIS
7.7% more per $
AEIS
10.7%
3.0%
NSYS
More free cash flow
AEIS
AEIS
$37.5M more FCF
AEIS
$43.0M
$5.5M
NSYS
Faster 2-yr revenue CAGR
AEIS
AEIS
Annualised
AEIS
22.2%
-5.9%
NSYS

Income Statement — Q4 2025 vs Q4 2025

Metric
AEIS
AEIS
NSYS
NSYS
Revenue
$489.4M
$30.3M
Net Profit
$52.3M
$897.0K
Gross Margin
38.6%
16.7%
Operating Margin
11.6%
3.0%
Net Margin
10.7%
3.0%
Revenue YoY
17.8%
5.9%
Net Profit YoY
7.4%
160.7%
EPS (diluted)
$1.32
$0.32

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
AEIS
AEIS
NSYS
NSYS
Q4 25
$489.4M
$30.3M
Q3 25
$463.3M
$30.5M
Q2 25
$441.5M
$30.7M
Q1 25
$404.6M
$26.9M
Q4 24
$415.4M
$28.6M
Q3 24
$374.2M
$31.4M
Q2 24
$364.9M
$33.9M
Q1 24
$327.5M
$34.2M
Net Profit
AEIS
AEIS
NSYS
NSYS
Q4 25
$52.3M
$897.0K
Q3 25
$46.2M
$-146.0K
Q2 25
$25.2M
$313.0K
Q1 25
$24.7M
$-1.3M
Q4 24
$48.7M
$-1.5M
Q3 24
$-14.9M
$-739.0K
Q2 24
$15.0M
$157.0K
Q1 24
$5.4M
$765.0K
Gross Margin
AEIS
AEIS
NSYS
NSYS
Q4 25
38.6%
16.7%
Q3 25
37.6%
16.5%
Q2 25
37.0%
15.8%
Q1 25
37.2%
11.4%
Q4 24
37.2%
9.9%
Q3 24
35.8%
12.2%
Q2 24
35.0%
13.6%
Q1 24
34.5%
15.9%
Operating Margin
AEIS
AEIS
NSYS
NSYS
Q4 25
11.6%
3.0%
Q3 25
10.6%
3.1%
Q2 25
7.2%
2.4%
Q1 25
7.6%
-6.0%
Q4 24
8.2%
-4.3%
Q3 24
-3.0%
-1.5%
Q2 24
3.6%
1.0%
Q1 24
0.2%
3.4%
Net Margin
AEIS
AEIS
NSYS
NSYS
Q4 25
10.7%
3.0%
Q3 25
10.0%
-0.5%
Q2 25
5.7%
1.0%
Q1 25
6.1%
-4.9%
Q4 24
11.7%
-5.2%
Q3 24
-4.0%
-2.4%
Q2 24
4.1%
0.5%
Q1 24
1.6%
2.2%
EPS (diluted)
AEIS
AEIS
NSYS
NSYS
Q4 25
$1.32
$0.32
Q3 25
$1.20
$-0.05
Q2 25
$0.67
$0.12
Q1 25
$0.65
$-0.48
Q4 24
$1.29
$-0.51
Q3 24
$-0.40
$-0.27
Q2 24
$0.40
$0.05
Q1 24
$0.14
$0.26

Balance Sheet & Financial Strength

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

Metric
AEIS
AEIS
NSYS
NSYS
Cash + ST InvestmentsLiquidity on hand
$791.2M
$1.7M
Total DebtLower is stronger
$567.5M
Stockholders' EquityBook value
$1.4B
$34.5M
Total Assets
$2.5B
$71.9M
Debt / EquityLower = less leverage
0.42×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
AEIS
AEIS
NSYS
NSYS
Q4 25
$791.2M
$1.7M
Q3 25
$758.6M
$1.3M
Q2 25
$713.5M
$652.0K
Q1 25
$723.0M
$1.2M
Q4 24
$722.1M
$916.0K
Q3 24
$657.3M
$1.2M
Q2 24
$986.1M
$1.5M
Q1 24
$1.0B
$4.0M
Total Debt
AEIS
AEIS
NSYS
NSYS
Q4 25
$567.5M
Q3 25
Q2 25
Q1 25
Q4 24
$564.7M
Q3 24
$564.0M
Q2 24
$907.3M
Q1 24
$911.5M
Stockholders' Equity
AEIS
AEIS
NSYS
NSYS
Q4 25
$1.4B
$34.5M
Q3 25
$1.3B
$33.4M
Q2 25
$1.3B
$33.4M
Q1 25
$1.2B
$32.8M
Q4 24
$1.2B
$34.0M
Q3 24
$1.2B
$35.7M
Q2 24
$1.2B
$36.1M
Q1 24
$1.1B
$36.0M
Total Assets
AEIS
AEIS
NSYS
NSYS
Q4 25
$2.5B
$71.9M
Q3 25
$2.4B
$74.8M
Q2 25
$2.4B
$74.8M
Q1 25
$2.3B
$73.5M
Q4 24
$2.3B
$72.4M
Q3 24
$2.2B
$77.0M
Q2 24
$2.5B
$76.3M
Q1 24
$2.5B
$75.5M
Debt / Equity
AEIS
AEIS
NSYS
NSYS
Q4 25
0.42×
Q3 25
Q2 25
Q1 25
Q4 24
0.47×
Q3 24
0.48×
Q2 24
0.78×
Q1 24
0.80×

Cash Flow & Capital Efficiency

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

Metric
AEIS
AEIS
NSYS
NSYS
Operating Cash FlowLast quarter
$80.5M
$5.6M
Free Cash FlowOCF − Capex
$43.0M
$5.5M
FCF MarginFCF / Revenue
8.8%
18.0%
Capex IntensityCapex / Revenue
7.7%
0.5%
Cash ConversionOCF / Net Profit
1.54×
6.25×
TTM Free Cash FlowTrailing 4 quarters
$125.9M
$2.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
AEIS
AEIS
NSYS
NSYS
Q4 25
$80.5M
$5.6M
Q3 25
$78.7M
$-92.0K
Q2 25
$45.2M
$157.0K
Q1 25
$28.9M
$-2.9M
Q4 24
$82.7M
$793.0K
Q3 24
$34.1M
$-1.6M
Q2 24
$6.7M
$-4.3M
Q1 24
$7.3M
$2.8M
Free Cash Flow
AEIS
AEIS
NSYS
NSYS
Q4 25
$43.0M
$5.5M
Q3 25
$50.8M
$-242.0K
Q2 25
$17.1M
$58.0K
Q1 25
$15.0M
$-3.2M
Q4 24
$69.9M
$503.0K
Q3 24
$21.4M
$-1.6M
Q2 24
$-8.1M
$-4.6M
Q1 24
$-9.3M
$2.1M
FCF Margin
AEIS
AEIS
NSYS
NSYS
Q4 25
8.8%
18.0%
Q3 25
11.0%
-0.8%
Q2 25
3.9%
0.2%
Q1 25
3.7%
-11.9%
Q4 24
16.8%
1.8%
Q3 24
5.7%
-5.2%
Q2 24
-2.2%
-13.5%
Q1 24
-2.9%
6.1%
Capex Intensity
AEIS
AEIS
NSYS
NSYS
Q4 25
7.7%
0.5%
Q3 25
6.0%
0.5%
Q2 25
6.4%
0.3%
Q1 25
3.4%
1.0%
Q4 24
3.1%
1.0%
Q3 24
3.4%
0.1%
Q2 24
4.0%
0.8%
Q1 24
5.1%
2.2%
Cash Conversion
AEIS
AEIS
NSYS
NSYS
Q4 25
1.54×
6.25×
Q3 25
1.70×
Q2 25
1.79×
0.50×
Q1 25
1.17×
Q4 24
1.70×
Q3 24
Q2 24
0.45×
-27.30×
Q1 24
1.35×
3.70×

Financial Flow Comparison

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

Revenue Breakdown by Segment

AEIS
AEIS

Semiconductor Equipment$211.6M43%
Data Center Computing$177.9M36%
Industrial And Medical$78.2M16%
Telecom And Networking$21.7M4%

NSYS
NSYS

Medical Imaging$11.4M37%
Medical Device$8.0M26%
Industrial$7.3M24%
Aerospace And Defense$3.7M12%

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