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

Corning Inc. is the larger business by last-quarter revenue ($4.2B vs $2.5B, roughly 1.7× MPLX LP). MPLX LP runs the higher net margin — 49.1% vs 12.8%, a 36.3% gap on every dollar of revenue. On growth, Corning Inc. posted the faster year-over-year revenue change (20.4% vs 1.4%). MPLX LP produced more free cash flow last quarter ($782.0M vs $620.0M). Over the past eight quarters, Corning Inc.'s revenue compounded faster (19.0% CAGR vs 6.2%).

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...

MarkWest Energy Partners, L.P., a subsidiary of MPLX LP, is a natural gas gathering, processing and transportation company master limited partnership of the United States. In 1988, the company was founded in Denver, Colorado and grew to be Colorado's 13th largest company. In 2015 it was acquired by MPLX, itself a subsidiary of Marathon Petroleum.

GLW vs MPLX — Head-to-Head

Bigger by revenue
GLW
GLW
1.7× larger
GLW
$4.2B
$2.5B
MPLX
Growing faster (revenue YoY)
GLW
GLW
+19.0% gap
GLW
20.4%
1.4%
MPLX
Higher net margin
MPLX
MPLX
36.3% more per $
MPLX
49.1%
12.8%
GLW
More free cash flow
MPLX
MPLX
$162.0M more FCF
MPLX
$782.0M
$620.0M
GLW
Faster 2-yr revenue CAGR
GLW
GLW
Annualised
GLW
19.0%
6.2%
MPLX

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
GLW
GLW
MPLX
MPLX
Revenue
$4.2B
$2.5B
Net Profit
$540.0M
$1.2B
Gross Margin
35.5%
Operating Margin
15.9%
60.5%
Net Margin
12.8%
49.1%
Revenue YoY
20.4%
1.4%
Net Profit YoY
74.2%
8.5%
EPS (diluted)
$0.61

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
MPLX
MPLX
Q4 25
$4.2B
$2.5B
Q3 25
$4.1B
$2.5B
Q2 25
$3.9B
$2.4B
Q1 25
$3.5B
$2.5B
Q4 24
$3.5B
$2.4B
Q3 24
$3.4B
$2.3B
Q2 24
$3.3B
$2.3B
Q1 24
$3.0B
$2.2B
Net Profit
GLW
GLW
MPLX
MPLX
Q4 25
$540.0M
$1.2B
Q3 25
$430.0M
$1.6B
Q2 25
$469.0M
$1.1B
Q1 25
$157.0M
$1.1B
Q4 24
$310.0M
$1.1B
Q3 24
$-117.0M
$1.0B
Q2 24
$104.0M
$1.2B
Q1 24
$209.0M
$1.0B
Gross Margin
GLW
GLW
MPLX
MPLX
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%
Q1 24
33.4%
Operating Margin
GLW
GLW
MPLX
MPLX
Q4 25
15.9%
60.5%
Q3 25
14.4%
73.2%
Q2 25
14.8%
54.9%
Q1 25
12.9%
55.5%
Q4 24
11.2%
55.6%
Q3 24
8.9%
54.4%
Q2 24
5.7%
62.9%
Q1 24
8.5%
57.6%
Net Margin
GLW
GLW
MPLX
MPLX
Q4 25
12.8%
49.1%
Q3 25
10.5%
63.2%
Q2 25
12.1%
44.9%
Q1 25
4.5%
46.2%
Q4 24
8.9%
45.9%
Q3 24
-3.5%
44.6%
Q2 24
3.2%
52.6%
Q1 24
7.0%
46.7%
EPS (diluted)
GLW
GLW
MPLX
MPLX
Q4 25
$0.61
Q3 25
$0.50
Q2 25
$0.54
Q1 25
$0.18
Q4 24
$0.36
Q3 24
$-0.14
Q2 24
$0.12
Q1 24
$0.24

Balance Sheet & Financial Strength

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

Metric
GLW
GLW
MPLX
MPLX
Cash + ST InvestmentsLiquidity on hand
$1.5B
$2.1B
Total DebtLower is stronger
$7.6B
$24.2B
Stockholders' EquityBook value
$11.8B
Total Assets
$31.0B
$43.0B
Debt / EquityLower = less leverage
0.65×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
GLW
GLW
MPLX
MPLX
Q4 25
$1.5B
$2.1B
Q3 25
$1.8B
Q2 25
$1.4B
Q1 25
$2.5B
Q4 24
$1.8B
$1.5B
Q3 24
$2.4B
Q2 24
$2.5B
Q1 24
$385.0M
Total Debt
GLW
GLW
MPLX
MPLX
Q4 25
$7.6B
$24.2B
Q3 25
$7.4B
$24.1B
Q2 25
$6.7B
$19.7B
Q1 25
$7.0B
$19.7B
Q4 24
$6.9B
$19.3B
Q3 24
$7.1B
$19.3B
Q2 24
$6.9B
$19.2B
Q1 24
$7.0B
$18.8B
Stockholders' Equity
GLW
GLW
MPLX
MPLX
Q4 25
$11.8B
Q3 25
$11.5B
Q2 25
$11.1B
Q1 25
$10.7B
Q4 24
$10.7B
Q3 24
$11.1B
Q2 24
$10.6B
Q1 24
$11.2B
Total Assets
GLW
GLW
MPLX
MPLX
Q4 25
$31.0B
$43.0B
Q3 25
$29.9B
$43.2B
Q2 25
$28.7B
$37.8B
Q1 25
$27.4B
$39.0B
Q4 24
$27.7B
$37.5B
Q3 24
$28.3B
$38.5B
Q2 24
$27.2B
$38.4B
Q1 24
$27.6B
$36.5B
Debt / Equity
GLW
GLW
MPLX
MPLX
Q4 25
0.65×
Q3 25
0.64×
Q2 25
0.60×
Q1 25
0.65×
Q4 24
0.64×
Q3 24
0.64×
Q2 24
0.65×
Q1 24
0.63×

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
MPLX
MPLX
Operating Cash FlowLast quarter
$1.1B
$1.5B
Free Cash FlowOCF − Capex
$620.0M
$782.0M
FCF MarginFCF / Revenue
14.7%
31.9%
Capex IntensityCapex / Revenue
10.2%
29.1%
Cash ConversionOCF / Net Profit
1.95×
1.24×
TTM Free Cash FlowTrailing 4 quarters
$1.4B
$4.1B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
GLW
GLW
MPLX
MPLX
Q4 25
$1.1B
$1.5B
Q3 25
$784.0M
$1.4B
Q2 25
$708.0M
$1.7B
Q1 25
$151.0M
$1.2B
Q4 24
$623.0M
$1.7B
Q3 24
$699.0M
$1.4B
Q2 24
$521.0M
$1.6B
Q1 24
$96.0M
$1.3B
Free Cash Flow
GLW
GLW
MPLX
MPLX
Q4 25
$620.0M
$782.0M
Q3 25
$450.0M
$905.0M
Q2 25
$400.0M
$1.4B
Q1 25
$-57.0M
$979.0M
Q4 24
$369.0M
$1.4B
Q3 24
$482.0M
$1.1B
Q2 24
$279.0M
$1.4B
Q1 24
$-156.0M
$1.0B
FCF Margin
GLW
GLW
MPLX
MPLX
Q4 25
14.7%
31.9%
Q3 25
11.0%
36.8%
Q2 25
10.4%
60.9%
Q1 25
-1.7%
39.8%
Q4 24
10.5%
56.6%
Q3 24
14.2%
48.4%
Q2 24
8.6%
60.0%
Q1 24
-5.2%
47.7%
Capex Intensity
GLW
GLW
MPLX
MPLX
Q4 25
10.2%
29.1%
Q3 25
8.1%
21.4%
Q2 25
8.0%
12.8%
Q1 25
6.0%
10.9%
Q4 24
7.3%
12.7%
Q3 24
6.4%
11.9%
Q2 24
7.4%
9.4%
Q1 24
8.5%
11.7%
Cash Conversion
GLW
GLW
MPLX
MPLX
Q4 25
1.95×
1.24×
Q3 25
1.82×
0.92×
Q2 25
1.51×
1.64×
Q1 25
0.96×
1.10×
Q4 24
2.01×
1.51×
Q3 24
1.35×
Q2 24
5.01×
1.32×
Q1 24
0.46×
1.27×

Financial Flow Comparison

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

Revenue Breakdown by Segment

GLW
GLW

Segment breakdown not available.

MPLX
MPLX

Services$746.0M30%
Other$675.0M28%
Products$492.0M20%
Nonrelated Party$186.0M8%
Related Party$151.0M6%
Crude Oil And Products Logistics$104.0M4%
Service Other$56.0M2%
Natural Gas And NGL Services$41.0M2%

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