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Side-by-side financial comparison of MPLX LP (MPLX) and SANMINA CORP (SANM). Click either name above to swap in a different company.

SANMINA CORP is the larger business by last-quarter revenue ($3.2B vs $2.5B, roughly 1.3× MPLX LP). MPLX LP runs the higher net margin — 49.1% vs 1.5%, a 47.5% gap on every dollar of revenue. On growth, SANMINA CORP posted the faster year-over-year revenue change (59.0% vs 1.4%). MPLX LP produced more free cash flow last quarter ($782.0M vs $91.9M). Over the past eight quarters, SANMINA CORP's revenue compounded faster (31.9% CAGR vs 6.2%).

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.

Sanmina Corporation is an American electronics manufacturing services (EMS) provider headquartered in San Jose, California that serves original equipment manufacturers (OEMs) in communications and computer hardware fields. The firm has nearly 80 manufacturing sites, and is one of the world’s largest independent manufacturers of printed circuit boards and backplanes. As of 2022, it is ranked number 482 in the Fortune 500 list.

MPLX vs SANM — Head-to-Head

Bigger by revenue
SANM
SANM
1.3× larger
SANM
$3.2B
$2.5B
MPLX
Growing faster (revenue YoY)
SANM
SANM
+57.6% gap
SANM
59.0%
1.4%
MPLX
Higher net margin
MPLX
MPLX
47.5% more per $
MPLX
49.1%
1.5%
SANM
More free cash flow
MPLX
MPLX
$690.1M more FCF
MPLX
$782.0M
$91.9M
SANM
Faster 2-yr revenue CAGR
SANM
SANM
Annualised
SANM
31.9%
6.2%
MPLX

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
MPLX
MPLX
SANM
SANM
Revenue
$2.5B
$3.2B
Net Profit
$1.2B
$49.3M
Gross Margin
7.6%
Operating Margin
60.5%
2.3%
Net Margin
49.1%
1.5%
Revenue YoY
1.4%
59.0%
Net Profit YoY
8.5%
-24.2%
EPS (diluted)
$0.89

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
MPLX
MPLX
SANM
SANM
Q4 25
$2.5B
$3.2B
Q3 25
$2.5B
$2.1B
Q2 25
$2.4B
$2.0B
Q1 25
$2.5B
$2.0B
Q4 24
$2.4B
$2.0B
Q3 24
$2.3B
$2.0B
Q2 24
$2.3B
$1.8B
Q1 24
$2.2B
$1.8B
Net Profit
MPLX
MPLX
SANM
SANM
Q4 25
$1.2B
$49.3M
Q3 25
$1.6B
$48.1M
Q2 25
$1.1B
$68.6M
Q1 25
$1.1B
$64.2M
Q4 24
$1.1B
$65.0M
Q3 24
$1.0B
$61.4M
Q2 24
$1.2B
$51.6M
Q1 24
$1.0B
$52.5M
Gross Margin
MPLX
MPLX
SANM
SANM
Q4 25
7.6%
Q3 25
9.1%
Q2 25
8.9%
Q1 25
8.9%
Q4 24
8.4%
Q3 24
8.5%
Q2 24
8.3%
Q1 24
8.4%
Operating Margin
MPLX
MPLX
SANM
SANM
Q4 25
60.5%
2.3%
Q3 25
73.2%
3.7%
Q2 25
54.9%
4.7%
Q1 25
55.5%
4.6%
Q4 24
55.6%
4.4%
Q3 24
54.4%
4.4%
Q2 24
62.9%
4.5%
Q1 24
57.6%
4.1%
Net Margin
MPLX
MPLX
SANM
SANM
Q4 25
49.1%
1.5%
Q3 25
63.2%
2.3%
Q2 25
44.9%
3.4%
Q1 25
46.2%
3.2%
Q4 24
45.9%
3.2%
Q3 24
44.6%
3.0%
Q2 24
52.6%
2.8%
Q1 24
46.7%
2.9%
EPS (diluted)
MPLX
MPLX
SANM
SANM
Q4 25
$0.89
Q3 25
$0.88
Q2 25
$1.26
Q1 25
$1.16
Q4 24
$1.16
Q3 24
$1.09
Q2 24
$0.91
Q1 24
$0.93

Balance Sheet & Financial Strength

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

Metric
MPLX
MPLX
SANM
SANM
Cash + ST InvestmentsLiquidity on hand
$2.1B
$1.4B
Total DebtLower is stronger
$24.2B
$2.2B
Stockholders' EquityBook value
$2.7B
Total Assets
$43.0B
$9.8B
Debt / EquityLower = less leverage
0.82×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MPLX
MPLX
SANM
SANM
Q4 25
$2.1B
$1.4B
Q3 25
$1.8B
$926.3M
Q2 25
$1.4B
$797.9M
Q1 25
$2.5B
$647.1M
Q4 24
$1.5B
$642.4M
Q3 24
$2.4B
$625.9M
Q2 24
$2.5B
$657.7M
Q1 24
$385.0M
$650.9M
Total Debt
MPLX
MPLX
SANM
SANM
Q4 25
$24.2B
$2.2B
Q3 25
$24.1B
$300.5M
Q2 25
$19.7B
Q1 25
$19.7B
Q4 24
$19.3B
Q3 24
$19.3B
Q2 24
$19.2B
Q1 24
$18.8B
Stockholders' Equity
MPLX
MPLX
SANM
SANM
Q4 25
$2.7B
Q3 25
$2.5B
Q2 25
$2.5B
Q1 25
$2.4B
Q4 24
$2.4B
Q3 24
$2.4B
Q2 24
$2.3B
Q1 24
$2.3B
Total Assets
MPLX
MPLX
SANM
SANM
Q4 25
$43.0B
$9.8B
Q3 25
$43.2B
$5.9B
Q2 25
$37.8B
$5.2B
Q1 25
$39.0B
$5.0B
Q4 24
$37.5B
$4.8B
Q3 24
$38.5B
$4.8B
Q2 24
$38.4B
$4.7B
Q1 24
$36.5B
$4.7B
Debt / Equity
MPLX
MPLX
SANM
SANM
Q4 25
0.82×
Q3 25
0.12×
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24

Cash Flow & Capital Efficiency

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

Metric
MPLX
MPLX
SANM
SANM
Operating Cash FlowLast quarter
$1.5B
$178.7M
Free Cash FlowOCF − Capex
$782.0M
$91.9M
FCF MarginFCF / Revenue
31.9%
2.9%
Capex IntensityCapex / Revenue
29.1%
2.7%
Cash ConversionOCF / Net Profit
1.24×
3.63×
TTM Free Cash FlowTrailing 4 quarters
$4.1B
$518.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MPLX
MPLX
SANM
SANM
Q4 25
$1.5B
$178.7M
Q3 25
$1.4B
$199.1M
Q2 25
$1.7B
$200.8M
Q1 25
$1.2B
$156.9M
Q4 24
$1.7B
$63.9M
Q3 24
$1.4B
$51.9M
Q2 24
$1.6B
$90.0M
Q1 24
$1.3B
$72.3M
Free Cash Flow
MPLX
MPLX
SANM
SANM
Q4 25
$782.0M
$91.9M
Q3 25
$905.0M
$136.6M
Q2 25
$1.4B
$163.7M
Q1 25
$979.0M
$126.1M
Q4 24
$1.4B
$46.9M
Q3 24
$1.1B
$27.2M
Q2 24
$1.4B
$67.2M
Q1 24
$1.0B
$42.7M
FCF Margin
MPLX
MPLX
SANM
SANM
Q4 25
31.9%
2.9%
Q3 25
36.8%
6.5%
Q2 25
60.9%
8.0%
Q1 25
39.8%
6.4%
Q4 24
56.6%
2.3%
Q3 24
48.4%
1.4%
Q2 24
60.0%
3.7%
Q1 24
47.7%
2.3%
Capex Intensity
MPLX
MPLX
SANM
SANM
Q4 25
29.1%
2.7%
Q3 25
21.4%
3.0%
Q2 25
12.8%
1.8%
Q1 25
10.9%
1.5%
Q4 24
12.7%
0.9%
Q3 24
11.9%
1.2%
Q2 24
9.4%
1.2%
Q1 24
11.7%
1.6%
Cash Conversion
MPLX
MPLX
SANM
SANM
Q4 25
1.24×
3.63×
Q3 25
0.92×
4.14×
Q2 25
1.64×
2.93×
Q1 25
1.10×
2.44×
Q4 24
1.51×
0.98×
Q3 24
1.35×
0.85×
Q2 24
1.32×
1.74×
Q1 24
1.27×
1.38×

Financial Flow Comparison

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

Revenue Breakdown by Segment

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%

SANM
SANM

Industrial And Energy Medical Defense And Aerospace And Automotive And Transportation$1.2B38%
ZT Systems$1.1B34%
Other Segments CPS$434.3M14%
CPS Third Party Revenue$412.7M13%
Change In Accounting Method Accounted For As Change In Estimate$2.7M0%

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