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Side-by-side financial comparison of Union Pacific Corporation (UNP) and Williams Companies (WMB). Click either name above to swap in a different company.

Union Pacific Corporation is the larger business by last-quarter revenue ($6.2B vs $3.8B, roughly 1.6× Williams Companies). Union Pacific Corporation runs the higher net margin — 27.4% vs 19.1%, a 8.3% gap on every dollar of revenue. On growth, Williams Companies posted the faster year-over-year revenue change (12.7% vs 3.2%). Union Pacific Corporation produced more free cash flow last quarter ($631.0M vs $-379.0M). Over the past eight quarters, Williams Companies's revenue compounded faster (7.3% CAGR vs 1.7%).

The Union Pacific Railroad Company is a Class I freight-hauling railroad that operates 8,300 locomotives over 32,200 miles (51,800 km) routes in 23 U.S. states west of Chicago and New Orleans. Union Pacific is the second-largest railroad in the United States after BNSF.

The Williams Companies, Inc. is an American energy company based in Tulsa, Oklahoma. Its core business is natural gas processing and transportation, with additional petroleum and electricity generation assets. A Fortune 500 company, its common stock is a component of the S&P 500.

UNP vs WMB — Head-to-Head

Bigger by revenue
UNP
UNP
1.6× larger
UNP
$6.2B
$3.8B
WMB
Growing faster (revenue YoY)
WMB
WMB
+9.5% gap
WMB
12.7%
3.2%
UNP
Higher net margin
UNP
UNP
8.3% more per $
UNP
27.4%
19.1%
WMB
More free cash flow
UNP
UNP
$1.0B more FCF
UNP
$631.0M
$-379.0M
WMB
Faster 2-yr revenue CAGR
WMB
WMB
Annualised
WMB
7.3%
1.7%
UNP

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
UNP
UNP
WMB
WMB
Revenue
$6.2B
$3.8B
Net Profit
$1.7B
$734.0M
Gross Margin
Operating Margin
39.5%
27.3%
Net Margin
27.4%
19.1%
Revenue YoY
3.2%
12.7%
Net Profit YoY
4.6%
51.0%
EPS (diluted)
$2.87
$0.60

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
UNP
UNP
WMB
WMB
Q1 26
$6.2B
Q4 25
$6.1B
$3.8B
Q3 25
$6.2B
$3.5B
Q2 25
$6.2B
$3.4B
Q1 25
$6.0B
$4.2B
Q4 24
$6.1B
$3.4B
Q3 24
$6.1B
$3.0B
Q2 24
$6.0B
$2.8B
Net Profit
UNP
UNP
WMB
WMB
Q1 26
$1.7B
Q4 25
$1.8B
$734.0M
Q3 25
$1.8B
$647.0M
Q2 25
$1.9B
$546.0M
Q1 25
$1.6B
$691.0M
Q4 24
$1.8B
$486.0M
Q3 24
$1.7B
$706.0M
Q2 24
$1.7B
$401.0M
Operating Margin
UNP
UNP
WMB
WMB
Q1 26
39.5%
Q4 25
39.5%
27.3%
Q3 25
40.8%
31.8%
Q2 25
41.0%
28.0%
Q1 25
39.3%
26.1%
Q4 24
41.3%
23.2%
Q3 24
39.7%
27.6%
Q2 24
40.0%
24.4%
Net Margin
UNP
UNP
WMB
WMB
Q1 26
27.4%
Q4 25
30.4%
19.1%
Q3 25
28.6%
18.5%
Q2 25
30.5%
16.2%
Q1 25
27.0%
16.5%
Q4 24
28.8%
14.2%
Q3 24
27.4%
23.3%
Q2 24
27.9%
14.1%
EPS (diluted)
UNP
UNP
WMB
WMB
Q1 26
$2.87
Q4 25
$3.12
$0.60
Q3 25
$3.01
$0.53
Q2 25
$3.15
$0.45
Q1 25
$2.70
$0.56
Q4 24
$2.91
$0.39
Q3 24
$2.75
$0.58
Q2 24
$2.74
$0.33

Balance Sheet & Financial Strength

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

Metric
UNP
UNP
WMB
WMB
Cash + ST InvestmentsLiquidity on hand
$735.0M
Total DebtLower is stronger
$27.3B
Stockholders' EquityBook value
$12.8B
Total Assets
$69.6B
$58.6B
Debt / EquityLower = less leverage
2.13×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
UNP
UNP
WMB
WMB
Q1 26
$735.0M
Q4 25
$1.3B
Q3 25
$808.0M
Q2 25
$1.1B
Q1 25
$1.4B
Q4 24
$1.0B
Q3 24
$947.0M
Q2 24
$1.1B
Total Debt
UNP
UNP
WMB
WMB
Q1 26
Q4 25
$30.3B
$27.3B
Q3 25
$30.3B
$25.6B
Q2 25
$30.3B
$25.6B
Q1 25
$30.6B
$24.1B
Q4 24
$29.8B
$24.7B
Q3 24
$29.8B
$24.8B
Q2 24
$31.2B
$24.1B
Stockholders' Equity
UNP
UNP
WMB
WMB
Q1 26
Q4 25
$18.5B
$12.8B
Q3 25
$17.3B
$12.5B
Q2 25
$16.3B
$12.4B
Q1 25
$16.0B
$12.5B
Q4 24
$16.9B
$12.4B
Q3 24
$16.6B
$12.4B
Q2 24
$16.5B
$12.3B
Total Assets
UNP
UNP
WMB
WMB
Q1 26
$69.6B
Q4 25
$69.7B
$58.6B
Q3 25
$68.6B
$55.7B
Q2 25
$68.6B
$56.1B
Q1 25
$68.5B
$54.9B
Q4 24
$67.7B
$54.5B
Q3 24
$67.6B
$53.8B
Q2 24
$67.8B
$52.4B
Debt / Equity
UNP
UNP
WMB
WMB
Q1 26
Q4 25
1.64×
2.13×
Q3 25
1.75×
2.04×
Q2 25
1.86×
2.06×
Q1 25
1.91×
1.93×
Q4 24
1.76×
1.99×
Q3 24
1.79×
2.00×
Q2 24
1.89×
1.96×

Cash Flow & Capital Efficiency

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

Metric
UNP
UNP
WMB
WMB
Operating Cash FlowLast quarter
$1.6B
Free Cash FlowOCF − Capex
$631.0M
$-379.0M
FCF MarginFCF / Revenue
10.1%
-9.9%
Capex IntensityCapex / Revenue
50.9%
Cash ConversionOCF / Net Profit
2.15×
TTM Free Cash FlowTrailing 4 quarters
$4.8B
$1.0B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
UNP
UNP
WMB
WMB
Q1 26
Q4 25
$2.2B
$1.6B
Q3 25
$2.5B
$1.4B
Q2 25
$2.3B
$1.4B
Q1 25
$2.2B
$1.4B
Q4 24
$2.7B
$1.2B
Q3 24
$2.7B
$1.2B
Q2 24
$1.9B
$1.3B
Free Cash Flow
UNP
UNP
WMB
WMB
Q1 26
$631.0M
Q4 25
$1.2B
$-379.0M
Q3 25
$1.6B
$485.0M
Q2 25
$1.4B
$478.0M
Q1 25
$1.3B
$421.0M
Q4 24
$1.7B
$450.0M
Q3 24
$1.8B
$561.0M
Q2 24
$1.0B
$700.0M
FCF Margin
UNP
UNP
WMB
WMB
Q1 26
10.1%
Q4 25
20.1%
-9.9%
Q3 25
25.2%
13.9%
Q2 25
22.7%
14.2%
Q1 25
21.6%
10.1%
Q4 24
28.4%
13.2%
Q3 24
29.9%
18.5%
Q2 24
16.8%
24.6%
Capex Intensity
UNP
UNP
WMB
WMB
Q1 26
Q4 25
16.4%
50.9%
Q3 25
15.2%
27.3%
Q2 25
15.2%
28.8%
Q1 25
15.0%
24.2%
Q4 24
15.1%
22.5%
Q3 24
13.6%
22.5%
Q2 24
15.0%
20.3%
Cash Conversion
UNP
UNP
WMB
WMB
Q1 26
Q4 25
1.20×
2.15×
Q3 25
1.41×
2.22×
Q2 25
1.24×
2.66×
Q1 25
1.36×
2.07×
Q4 24
1.51×
2.51×
Q3 24
1.59×
1.76×
Q2 24
1.14×
3.19×

Financial Flow Comparison

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

Revenue Breakdown by Segment

UNP
UNP

Freight revenues$5.9B95%
Other revenues$324.0M5%

WMB
WMB

Services$2.2B57%
Natural Gas Us Regulated$740.0M19%
West$730.0M19%
Non Regulated Service Commodity Consideration$51.0M1%
Natural Gas Gathering Transportation Marketing And Processing$45.0M1%
Affiliated Entity$23.0M1%
Other$14.0M0%
Other Service$11.0M0%

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