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

Corning Inc. is the larger business by last-quarter revenue ($4.1B vs $3.0B, roughly 1.4× Norfolk Southern). Norfolk Southern runs the higher net margin — 21.7% vs 9.3%, a 12.3% gap on every dollar of revenue. On growth, Corning Inc. posted the faster year-over-year revenue change (0.0% vs -1.7%). Norfolk Southern produced more free cash flow last quarter ($334.0M vs $188.0M). Over the past eight quarters, Corning Inc.'s revenue compounded faster (12.9% CAGR vs -0.5%).

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...

The Norfolk Southern Railway is a Class I freight railroad operating in the Eastern United States. Headquartered in Atlanta, the company was formed in 1982 with the merger of the Norfolk and Western Railway and Southern Railway. The company operates 19,420 route miles (31,250 km) in 22 eastern states and the District of Columbia, and has rights in Canada over the Albany to Montreal route of the Canadian Pacific Kansas City.

GLW vs NSC — Head-to-Head

Bigger by revenue
GLW
GLW
1.4× larger
GLW
$4.1B
$3.0B
NSC
Growing faster (revenue YoY)
GLW
GLW
+1.7% gap
GLW
0.0%
-1.7%
NSC
Higher net margin
NSC
NSC
12.3% more per $
NSC
21.7%
9.3%
GLW
More free cash flow
NSC
NSC
$146.0M more FCF
NSC
$334.0M
$188.0M
GLW
Faster 2-yr revenue CAGR
GLW
GLW
Annualised
GLW
12.9%
-0.5%
NSC

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
GLW
GLW
NSC
NSC
Revenue
$4.1B
$3.0B
Net Profit
$387.0M
$644.0M
Gross Margin
36.9%
Operating Margin
15.4%
31.5%
Net Margin
9.3%
21.7%
Revenue YoY
0.0%
-1.7%
Net Profit YoY
-60.0%
-12.1%
EPS (diluted)
$0.43
$2.87

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
NSC
NSC
Q1 26
$4.1B
Q4 25
$4.2B
$3.0B
Q3 25
$4.1B
$3.1B
Q2 25
$3.9B
$3.1B
Q1 25
$3.5B
$3.0B
Q4 24
$3.5B
$3.0B
Q3 24
$3.4B
$3.1B
Q2 24
$3.3B
$3.0B
Net Profit
GLW
GLW
NSC
NSC
Q1 26
$387.0M
Q4 25
$540.0M
$644.0M
Q3 25
$430.0M
$711.0M
Q2 25
$469.0M
$768.0M
Q1 25
$157.0M
$750.0M
Q4 24
$310.0M
$733.0M
Q3 24
$-117.0M
$1.1B
Q2 24
$104.0M
$737.0M
Gross Margin
GLW
GLW
NSC
NSC
Q1 26
36.9%
Q4 25
35.5%
Q3 25
37.1%
Q2 25
36.0%
Q1 25
35.2%
Q4 24
34.2%
Q3 24
33.5%
Q2 24
29.2%
Operating Margin
GLW
GLW
NSC
NSC
Q1 26
15.4%
Q4 25
15.9%
31.5%
Q3 25
14.4%
35.4%
Q2 25
14.8%
37.8%
Q1 25
12.9%
38.3%
Q4 24
11.2%
37.4%
Q3 24
8.9%
52.3%
Q2 24
5.7%
37.2%
Net Margin
GLW
GLW
NSC
NSC
Q1 26
9.3%
Q4 25
12.8%
21.7%
Q3 25
10.5%
22.9%
Q2 25
12.1%
24.7%
Q1 25
4.5%
25.1%
Q4 24
8.9%
24.2%
Q3 24
-3.5%
36.0%
Q2 24
3.2%
24.2%
EPS (diluted)
GLW
GLW
NSC
NSC
Q1 26
$0.43
Q4 25
$0.61
$2.87
Q3 25
$0.50
$3.16
Q2 25
$0.54
$3.41
Q1 25
$0.18
$3.31
Q4 24
$0.36
$3.24
Q3 24
$-0.14
$4.85
Q2 24
$0.12
$3.25

Balance Sheet & Financial Strength

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

Metric
GLW
GLW
NSC
NSC
Cash + ST InvestmentsLiquidity on hand
$1.8M
$1.5B
Total DebtLower is stronger
$7.7M
$16.5B
Stockholders' EquityBook value
$12.3M
$15.5B
Total Assets
$31.3M
$45.2B
Debt / EquityLower = less leverage
0.62×
1.06×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
GLW
GLW
NSC
NSC
Q1 26
$1.8M
Q4 25
$1.5B
$1.5B
Q3 25
$1.4B
Q2 25
$1.3B
Q1 25
$1.0B
Q4 24
$1.8B
$1.6B
Q3 24
$975.0M
Q2 24
$659.0M
Total Debt
GLW
GLW
NSC
NSC
Q1 26
$7.7M
Q4 25
$7.6B
$16.5B
Q3 25
$7.4B
$16.5B
Q2 25
$6.7B
$16.5B
Q1 25
$7.0B
$16.7B
Q4 24
$6.9B
$16.7B
Q3 24
$7.1B
$16.6B
Q2 24
$6.9B
$16.9B
Stockholders' Equity
GLW
GLW
NSC
NSC
Q1 26
$12.3M
Q4 25
$11.8B
$15.5B
Q3 25
$11.5B
$15.1B
Q2 25
$11.1B
$14.8B
Q1 25
$10.7B
$14.5B
Q4 24
$10.7B
$14.3B
Q3 24
$11.1B
$13.8B
Q2 24
$10.6B
$13.0B
Total Assets
GLW
GLW
NSC
NSC
Q1 26
$31.3M
Q4 25
$31.0B
$45.2B
Q3 25
$29.9B
$44.6B
Q2 25
$28.7B
$44.2B
Q1 25
$27.4B
$43.8B
Q4 24
$27.7B
$43.7B
Q3 24
$28.3B
$43.3B
Q2 24
$27.2B
$42.6B
Debt / Equity
GLW
GLW
NSC
NSC
Q1 26
0.62×
Q4 25
0.65×
1.06×
Q3 25
0.64×
1.09×
Q2 25
0.60×
1.11×
Q1 25
0.65×
1.15×
Q4 24
0.64×
1.16×
Q3 24
0.64×
1.21×
Q2 24
0.65×
1.30×

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
NSC
NSC
Operating Cash FlowLast quarter
$362.0M
$1.1B
Free Cash FlowOCF − Capex
$188.0M
$334.0M
FCF MarginFCF / Revenue
4.5%
11.2%
Capex IntensityCapex / Revenue
8.0%
24.5%
Cash ConversionOCF / Net Profit
0.94×
1.65×
TTM Free Cash FlowTrailing 4 quarters
$1.7B
$2.2B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
GLW
GLW
NSC
NSC
Q1 26
$362.0M
Q4 25
$1.1B
$1.1B
Q3 25
$784.0M
$1.3B
Q2 25
$708.0M
$1.1B
Q1 25
$151.0M
$950.0M
Q4 24
$623.0M
$951.0M
Q3 24
$699.0M
$1.2B
Q2 24
$521.0M
$1.0B
Free Cash Flow
GLW
GLW
NSC
NSC
Q1 26
$188.0M
Q4 25
$620.0M
$334.0M
Q3 25
$450.0M
$720.0M
Q2 25
$400.0M
$602.0M
Q1 25
$-57.0M
$501.0M
Q4 24
$369.0M
$276.0M
Q3 24
$482.0M
$645.0M
Q2 24
$279.0M
$468.0M
FCF Margin
GLW
GLW
NSC
NSC
Q1 26
4.5%
Q4 25
14.7%
11.2%
Q3 25
11.0%
23.2%
Q2 25
10.4%
19.4%
Q1 25
-1.7%
16.7%
Q4 24
10.5%
9.1%
Q3 24
14.2%
21.1%
Q2 24
8.6%
15.4%
Capex Intensity
GLW
GLW
NSC
NSC
Q1 26
8.0%
Q4 25
10.2%
24.5%
Q3 25
8.1%
17.8%
Q2 25
8.0%
15.3%
Q1 25
6.0%
15.0%
Q4 24
7.3%
22.3%
Q3 24
6.4%
19.0%
Q2 24
7.4%
18.7%
Cash Conversion
GLW
GLW
NSC
NSC
Q1 26
0.94×
Q4 25
1.95×
1.65×
Q3 25
1.82×
1.79×
Q2 25
1.51×
1.40×
Q1 25
0.96×
1.27×
Q4 24
2.01×
1.30×
Q3 24
1.12×
Q2 24
5.01×
1.41×

Financial Flow Comparison

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

Revenue Breakdown by Segment

GLW
GLW

Segment breakdown not available.

NSC
NSC

Railway Operating Revenues Market Group Merchandise$1.9B63%
Metals And Construction$404.0M14%
Railway Operating Revenues Market Group Coal$347.0M12%
Automotive$293.0M10%

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