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Side-by-side financial comparison of Corning Inc. (GLW) and Quanta Services (PWR). Click either name above to swap in a different company.

Quanta Services is the larger business by last-quarter revenue ($7.8B vs $4.2B, roughly 1.9× Corning Inc.). Corning Inc. runs the higher net margin — 12.8% vs 4.0%, a 8.8% gap on every dollar of revenue. On growth, Corning Inc. posted the faster year-over-year revenue change (20.4% vs 19.7%). Quanta Services produced more free cash flow last quarter ($934.0M vs $620.0M). Over the past eight quarters, Quanta Services's revenue compounded faster (24.8% CAGR vs 19.0%).

Corning Incorporated is an American multinational technology company specializing in glass, ceramics, and related materials and technologies including advanced optics, primarily for industrial and scientific applications. Founded in 1851, the company was called Corning Glass Works for most of its history. Corning was known during the 20th century for its consumer product lines, such as including CorningWare and Visions Pyroceram-based cookware, Corelle Vitrelle tableware, and Pyrex glass bake...

Quanta Services is a U.S. corporation that provides infrastructure services for the electric power, pipeline, industrial and communications industries. Its capabilities include planning, design, installation, program management, maintenance and repair of most types of network infrastructure. The company has grown organically since its founding, but it has also acquired over 150 companies in the electrical contracting industry.

GLW vs PWR — Head-to-Head

Bigger by revenue
PWR
PWR
1.9× larger
PWR
$7.8B
$4.2B
GLW
Growing faster (revenue YoY)
GLW
GLW
+0.7% gap
GLW
20.4%
19.7%
PWR
Higher net margin
GLW
GLW
8.8% more per $
GLW
12.8%
4.0%
PWR
More free cash flow
PWR
PWR
$314.0M more FCF
PWR
$934.0M
$620.0M
GLW
Faster 2-yr revenue CAGR
PWR
PWR
Annualised
PWR
24.8%
19.0%
GLW

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
GLW
GLW
PWR
PWR
Revenue
$4.2B
$7.8B
Net Profit
$540.0M
$316.6M
Gross Margin
35.5%
15.5%
Operating Margin
15.9%
6.2%
Net Margin
12.8%
4.0%
Revenue YoY
20.4%
19.7%
Net Profit YoY
74.2%
2.0%
EPS (diluted)
$0.61
$2.08

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
GLW
GLW
PWR
PWR
Q4 25
$4.2B
$7.8B
Q3 25
$4.1B
$7.6B
Q2 25
$3.9B
$6.8B
Q1 25
$3.5B
$6.2B
Q4 24
$3.5B
$6.6B
Q3 24
$3.4B
$6.5B
Q2 24
$3.3B
$5.6B
Q1 24
$3.0B
$5.0B
Net Profit
GLW
GLW
PWR
PWR
Q4 25
$540.0M
$316.6M
Q3 25
$430.0M
$339.4M
Q2 25
$469.0M
$229.3M
Q1 25
$157.0M
$144.3M
Q4 24
$310.0M
$310.3M
Q3 24
$-117.0M
$293.2M
Q2 24
$104.0M
$188.2M
Q1 24
$209.0M
$118.4M
Gross Margin
GLW
GLW
PWR
PWR
Q4 25
35.5%
15.5%
Q3 25
37.1%
15.9%
Q2 25
36.0%
14.9%
Q1 25
35.2%
13.4%
Q4 24
34.2%
16.2%
Q3 24
33.5%
15.6%
Q2 24
29.2%
14.5%
Q1 24
33.4%
12.4%
Operating Margin
GLW
GLW
PWR
PWR
Q4 25
15.9%
6.2%
Q3 25
14.4%
6.8%
Q2 25
14.8%
5.5%
Q1 25
12.9%
3.8%
Q4 24
11.2%
6.9%
Q3 24
8.9%
6.6%
Q2 24
5.7%
5.5%
Q1 24
8.5%
3.1%
Net Margin
GLW
GLW
PWR
PWR
Q4 25
12.8%
4.0%
Q3 25
10.5%
4.4%
Q2 25
12.1%
3.4%
Q1 25
4.5%
2.3%
Q4 24
8.9%
4.7%
Q3 24
-3.5%
4.5%
Q2 24
3.2%
3.4%
Q1 24
7.0%
2.4%
EPS (diluted)
GLW
GLW
PWR
PWR
Q4 25
$0.61
$2.08
Q3 25
$0.50
$2.24
Q2 25
$0.54
$1.52
Q1 25
$0.18
$0.96
Q4 24
$0.36
$2.03
Q3 24
$-0.14
$1.95
Q2 24
$0.12
$1.26
Q1 24
$0.24
$0.79

Balance Sheet & Financial Strength

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

Metric
GLW
GLW
PWR
PWR
Cash + ST InvestmentsLiquidity on hand
$1.5B
$439.5M
Total DebtLower is stronger
$7.6B
$5.2B
Stockholders' EquityBook value
$11.8B
$8.9B
Total Assets
$31.0B
$24.9B
Debt / EquityLower = less leverage
0.65×
0.59×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
GLW
GLW
PWR
PWR
Q4 25
$1.5B
$439.5M
Q3 25
$610.4M
Q2 25
$509.5M
Q1 25
$520.6M
Q4 24
$1.8B
$742.0M
Q3 24
$764.1M
Q2 24
$518.1M
Q1 24
$531.1M
Total Debt
GLW
GLW
PWR
PWR
Q4 25
$7.6B
$5.2B
Q3 25
$7.4B
$5.5B
Q2 25
$6.7B
$4.7B
Q1 25
$7.0B
$4.4B
Q4 24
$6.9B
$4.1B
Q3 24
$7.1B
$4.1B
Q2 24
$6.9B
$3.0B
Q1 24
$7.0B
$3.2B
Stockholders' Equity
GLW
GLW
PWR
PWR
Q4 25
$11.8B
$8.9B
Q3 25
$11.5B
$8.4B
Q2 25
$11.1B
$7.9B
Q1 25
$10.7B
$7.5B
Q4 24
$10.7B
$7.3B
Q3 24
$11.1B
$7.1B
Q2 24
$10.6B
$6.6B
Q1 24
$11.2B
$6.4B
Total Assets
GLW
GLW
PWR
PWR
Q4 25
$31.0B
$24.9B
Q3 25
$29.9B
$22.7B
Q2 25
$28.7B
$19.9B
Q1 25
$27.4B
$19.1B
Q4 24
$27.7B
$18.7B
Q3 24
$28.3B
$18.9B
Q2 24
$27.2B
$15.9B
Q1 24
$27.6B
$15.5B
Debt / Equity
GLW
GLW
PWR
PWR
Q4 25
0.65×
0.59×
Q3 25
0.64×
0.66×
Q2 25
0.60×
0.59×
Q1 25
0.65×
0.58×
Q4 24
0.64×
0.56×
Q3 24
0.64×
0.58×
Q2 24
0.65×
0.45×
Q1 24
0.63×
0.50×

Cash Flow & Capital Efficiency

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

Metric
GLW
GLW
PWR
PWR
Operating Cash FlowLast quarter
$1.1B
$1.1B
Free Cash FlowOCF − Capex
$620.0M
$934.0M
FCF MarginFCF / Revenue
14.7%
11.9%
Capex IntensityCapex / Revenue
10.2%
2.5%
Cash ConversionOCF / Net Profit
1.95×
3.56×
TTM Free Cash FlowTrailing 4 quarters
$1.4B
$1.6B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
GLW
GLW
PWR
PWR
Q4 25
$1.1B
$1.1B
Q3 25
$784.0M
$563.5M
Q2 25
$708.0M
$295.7M
Q1 25
$151.0M
$243.2M
Q4 24
$623.0M
$712.0M
Q3 24
$699.0M
$739.9M
Q2 24
$521.0M
$391.3M
Q1 24
$96.0M
$238.0M
Free Cash Flow
GLW
GLW
PWR
PWR
Q4 25
$620.0M
$934.0M
Q3 25
$450.0M
$421.0M
Q2 25
$400.0M
$155.4M
Q1 25
$-57.0M
$110.4M
Q4 24
$369.0M
$565.0M
Q3 24
$482.0M
$527.4M
Q2 24
$279.0M
$229.9M
Q1 24
$-156.0M
$154.8M
FCF Margin
GLW
GLW
PWR
PWR
Q4 25
14.7%
11.9%
Q3 25
11.0%
5.5%
Q2 25
10.4%
2.3%
Q1 25
-1.7%
1.8%
Q4 24
10.5%
8.6%
Q3 24
14.2%
8.1%
Q2 24
8.6%
4.1%
Q1 24
-5.2%
3.1%
Capex Intensity
GLW
GLW
PWR
PWR
Q4 25
10.2%
2.5%
Q3 25
8.1%
1.9%
Q2 25
8.0%
2.1%
Q1 25
6.0%
2.1%
Q4 24
7.3%
2.2%
Q3 24
6.4%
3.3%
Q2 24
7.4%
2.9%
Q1 24
8.5%
1.7%
Cash Conversion
GLW
GLW
PWR
PWR
Q4 25
1.95×
3.56×
Q3 25
1.82×
1.66×
Q2 25
1.51×
1.29×
Q1 25
0.96×
1.69×
Q4 24
2.01×
2.29×
Q3 24
2.52×
Q2 24
5.01×
2.08×
Q1 24
0.46×
2.01×

Financial Flow Comparison

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

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