vs

Side-by-side financial comparison of 3M (MMM) and MPLX LP (MPLX). Click either name above to swap in a different company.

3M is the larger business by last-quarter revenue ($6.0B vs $2.5B, roughly 2.5× MPLX LP). MPLX LP runs the higher net margin — 49.1% vs 10.8%, a 38.3% gap on every dollar of revenue. On growth, MPLX LP posted the faster year-over-year revenue change (1.4% vs 1.3%). 3M produced more free cash flow last quarter ($2.0B vs $782.0M). Over the past eight quarters, MPLX LP's revenue compounded faster (6.2% CAGR vs -1.8%).

The 3M Company is an American multinational conglomerate operating in the fields of industry, worker safety, and consumer goods. Based in the Saint Paul suburb of Maplewood, the company produces over 60,000 products, including adhesives, abrasives, laminates, passive fire protection, personal protective equipment, window films, paint protection film, electrical, electronic connecting, insulating materials, car-care products, electronic circuits, and optical films. Among its best-known consume...

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.

MMM vs MPLX — Head-to-Head

Bigger by revenue
MMM
MMM
2.5× larger
MMM
$6.0B
$2.5B
MPLX
Growing faster (revenue YoY)
MPLX
MPLX
+0.1% gap
MPLX
1.4%
1.3%
MMM
Higher net margin
MPLX
MPLX
38.3% more per $
MPLX
49.1%
10.8%
MMM
More free cash flow
MMM
MMM
$1.2B more FCF
MMM
$2.0B
$782.0M
MPLX
Faster 2-yr revenue CAGR
MPLX
MPLX
Annualised
MPLX
6.2%
-1.8%
MMM

Income Statement — Q1 2026 vs Q4 2025

Metric
MMM
MMM
MPLX
MPLX
Revenue
$6.0B
$2.5B
Net Profit
$653.0M
$1.2B
Gross Margin
40.7%
Operating Margin
23.2%
60.5%
Net Margin
10.8%
49.1%
Revenue YoY
1.3%
1.4%
Net Profit YoY
-41.5%
8.5%
EPS (diluted)
$1.23

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
MMM
MMM
MPLX
MPLX
Q1 26
$6.0B
Q4 25
$6.1B
$2.5B
Q3 25
$6.5B
$2.5B
Q2 25
$6.3B
$2.4B
Q1 25
$6.0B
$2.5B
Q4 24
$6.0B
$2.4B
Q3 24
$6.3B
$2.3B
Q2 24
$6.3B
$2.3B
Net Profit
MMM
MMM
MPLX
MPLX
Q1 26
$653.0M
Q4 25
$577.0M
$1.2B
Q3 25
$834.0M
$1.6B
Q2 25
$723.0M
$1.1B
Q1 25
$1.1B
$1.1B
Q4 24
$728.0M
$1.1B
Q3 24
$1.4B
$1.0B
Q2 24
$1.1B
$1.2B
Gross Margin
MMM
MMM
MPLX
MPLX
Q1 26
40.7%
Q4 25
33.6%
Q3 25
41.8%
Q2 25
42.5%
Q1 25
41.6%
Q4 24
51.7%
Q3 24
42.1%
Q2 24
42.9%
Operating Margin
MMM
MMM
MPLX
MPLX
Q1 26
23.2%
Q4 25
13.0%
60.5%
Q3 25
22.2%
73.2%
Q2 25
18.0%
54.9%
Q1 25
20.9%
55.5%
Q4 24
12.2%
55.6%
Q3 24
20.9%
54.4%
Q2 24
20.3%
62.9%
Net Margin
MMM
MMM
MPLX
MPLX
Q1 26
10.8%
Q4 25
9.4%
49.1%
Q3 25
12.8%
63.2%
Q2 25
11.4%
44.9%
Q1 25
18.7%
46.2%
Q4 24
12.1%
45.9%
Q3 24
21.8%
44.6%
Q2 24
18.3%
52.6%
EPS (diluted)
MMM
MMM
MPLX
MPLX
Q1 26
$1.23
Q4 25
$1.07
Q3 25
$1.55
Q2 25
$1.34
Q1 25
$2.04
Q4 24
$1.33
Q3 24
$2.48
Q2 24
$2.07

Balance Sheet & Financial Strength

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

Metric
MMM
MMM
MPLX
MPLX
Cash + ST InvestmentsLiquidity on hand
$3.7B
$2.1B
Total DebtLower is stronger
$10.9B
$24.2B
Stockholders' EquityBook value
$3.3B
Total Assets
$35.4B
$43.0B
Debt / EquityLower = less leverage
3.29×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MMM
MMM
MPLX
MPLX
Q1 26
$3.7B
Q4 25
$2.1B
Q3 25
$1.8B
Q2 25
$1.4B
Q1 25
$2.5B
Q4 24
$1.5B
Q3 24
$2.4B
Q2 24
$2.5B
Total Debt
MMM
MMM
MPLX
MPLX
Q1 26
$10.9B
Q4 25
$12.6B
$24.2B
Q3 25
$12.6B
$24.1B
Q2 25
$13.1B
$19.7B
Q1 25
$13.5B
$19.7B
Q4 24
$13.0B
$19.3B
Q3 24
$13.2B
$19.3B
Q2 24
$13.1B
$19.2B
Stockholders' Equity
MMM
MMM
MPLX
MPLX
Q1 26
$3.3B
Q4 25
$4.7B
Q3 25
$4.6B
Q2 25
$4.3B
Q1 25
$4.5B
Q4 24
$3.8B
Q3 24
$4.6B
Q2 24
$3.9B
Total Assets
MMM
MMM
MPLX
MPLX
Q1 26
$35.4B
Q4 25
$37.7B
$43.0B
Q3 25
$37.6B
$43.2B
Q2 25
$38.0B
$37.8B
Q1 25
$40.0B
$39.0B
Q4 24
$39.9B
$37.5B
Q3 24
$40.9B
$38.5B
Q2 24
$43.4B
$38.4B
Debt / Equity
MMM
MMM
MPLX
MPLX
Q1 26
3.29×
Q4 25
2.68×
Q3 25
2.72×
Q2 25
3.06×
Q1 25
3.02×
Q4 24
3.40×
Q3 24
2.84×
Q2 24
3.34×

Cash Flow & Capital Efficiency

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

Metric
MMM
MMM
MPLX
MPLX
Operating Cash FlowLast quarter
$1.5B
Free Cash FlowOCF − Capex
$2.0B
$782.0M
FCF MarginFCF / Revenue
33.6%
31.9%
Capex IntensityCapex / Revenue
29.1%
Cash ConversionOCF / Net Profit
1.24×
TTM Free Cash FlowTrailing 4 quarters
$3.7B
$4.1B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MMM
MMM
MPLX
MPLX
Q1 26
Q4 25
$1.6B
$1.5B
Q3 25
$1.8B
$1.4B
Q2 25
$-954.0M
$1.7B
Q1 25
$-79.0M
$1.2B
Q4 24
$1.8B
$1.7B
Q3 24
$-1.8B
$1.4B
Q2 24
$1.0B
$1.6B
Free Cash Flow
MMM
MMM
MPLX
MPLX
Q1 26
$2.0B
Q4 25
$1.3B
$782.0M
Q3 25
$1.5B
$905.0M
Q2 25
$-1.2B
$1.4B
Q1 25
$-315.0M
$979.0M
Q4 24
$1.5B
$1.4B
Q3 24
$-2.0B
$1.1B
Q2 24
$752.0M
$1.4B
FCF Margin
MMM
MMM
MPLX
MPLX
Q1 26
33.6%
Q4 25
21.8%
31.9%
Q3 25
23.6%
36.8%
Q2 25
-18.3%
60.9%
Q1 25
-5.3%
39.8%
Q4 24
25.4%
56.6%
Q3 24
-32.3%
48.4%
Q2 24
12.0%
60.0%
Capex Intensity
MMM
MMM
MPLX
MPLX
Q1 26
Q4 25
4.0%
29.1%
Q3 25
3.3%
21.4%
Q2 25
3.3%
12.8%
Q1 25
4.0%
10.9%
Q4 24
4.8%
12.7%
Q3 24
3.9%
11.9%
Q2 24
4.3%
9.4%
Cash Conversion
MMM
MMM
MPLX
MPLX
Q1 26
Q4 25
2.74×
1.24×
Q3 25
2.11×
0.92×
Q2 25
-1.32×
1.64×
Q1 25
-0.07×
1.10×
Q4 24
2.50×
1.51×
Q3 24
-1.30×
1.35×
Q2 24
0.89×
1.32×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MMM
MMM

Safety and Industrial business segment$2.9B49%
Transportation and Electronics business segment$1.8B31%
Consumer business segment$1.1B19%
Corporate$121.0M2%

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%

Related Comparisons