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Side-by-side financial comparison of Kinder Morgan (KMI) and Williams Companies (WMB), based on the latest 10-Q / 10-K filings. Click either name above to swap in a different company.
Kinder Morgan is the larger business by last-quarter revenue ($4.0B vs $3.8B, roughly 1.0× Williams Companies). Kinder Morgan runs the higher net margin — 24.8% vs 19.1%, a 5.7% gap on every dollar of revenue. On growth, Williams Companies posted the faster year-over-year revenue change (12.7% vs 12.3%). Kinder Morgan produced more free cash flow last quarter ($872.0M vs $-379.0M). Over the past eight quarters, Kinder Morgan's revenue compounded faster (8.5% CAGR vs 7.3%).
Kinder Morgan, Inc. is one of the largest energy infrastructure companies in North America. The company specializes in owning and controlling oil and gas pipelines and terminals.
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.
KMI vs WMB — Head-to-Head
Income Statement — Q4 2025 vs Q4 2025
| Metric | | |
|---|---|---|
| Revenue | $4.0B | $3.8B |
| Net Profit | $996.0M | $734.0M |
| Gross Margin | — | — |
| Operating Margin | 34.0% | 27.3% |
| Net Margin | 24.8% | 19.1% |
| Revenue YoY | 12.3% | 12.7% |
| Net Profit YoY | 49.3% | 51.0% |
| EPS (diluted) | $0.45 | $0.60 |
Green = leading value per metric. Periods may differ when fiscal calendars don't align — see 8-quarter trend below.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history — bar widths are scaled to the larger of the two companies so you can eyeball the size gap and growth trajectory without doing math. Quarters aligned by calendar period (report date) so offset fiscal years line up.
| Q4 25 | $4.0B | $3.8B | ||
| Q3 25 | $3.7B | $3.5B | ||
| Q2 25 | $3.6B | $3.4B | ||
| Q1 25 | $3.9B | $4.2B | ||
| Q4 24 | $3.6B | $3.4B | ||
| Q3 24 | $3.3B | $3.0B | ||
| Q2 24 | $3.2B | $2.8B | ||
| Q1 24 | $3.4B | $3.3B |
| Q4 25 | $996.0M | $734.0M | ||
| Q3 25 | $628.0M | $647.0M | ||
| Q2 25 | $715.0M | $546.0M | ||
| Q1 25 | $717.0M | $691.0M | ||
| Q4 24 | $667.0M | $486.0M | ||
| Q3 24 | $625.0M | $706.0M | ||
| Q2 24 | $575.0M | $401.0M | ||
| Q1 24 | $746.0M | $632.0M |
| Q4 25 | 34.0% | 27.3% | ||
| Q3 25 | 28.6% | 31.8% | ||
| Q2 25 | 31.9% | 28.0% | ||
| Q1 25 | 29.6% | 26.1% | ||
| Q4 24 | 31.0% | 23.2% | ||
| Q3 24 | 30.9% | 27.6% | ||
| Q2 24 | 32.3% | 24.4% | ||
| Q1 24 | 35.9% | 30.3% |
| Q4 25 | 24.8% | 19.1% | ||
| Q3 25 | 16.9% | 18.5% | ||
| Q2 25 | 19.8% | 16.2% | ||
| Q1 25 | 18.6% | 16.5% | ||
| Q4 24 | 18.7% | 14.2% | ||
| Q3 24 | 19.0% | 23.3% | ||
| Q2 24 | 17.9% | 14.1% | ||
| Q1 24 | 21.9% | 18.9% |
| Q4 25 | $0.45 | $0.60 | ||
| Q3 25 | $0.28 | $0.53 | ||
| Q2 25 | $0.32 | $0.45 | ||
| Q1 25 | $0.32 | $0.56 | ||
| Q4 24 | $0.30 | $0.39 | ||
| Q3 24 | $0.28 | $0.58 | ||
| Q2 24 | $0.26 | $0.33 | ||
| Q1 24 | $0.33 | $0.52 |
Balance Sheet & Financial Strength
Snapshot of each company's liquidity, leverage and book value from the latest filing — the kind of financial-strength check premium terminals charge for.
| Metric | | |
|---|---|---|
| Cash + ST InvestmentsLiquidity on hand | $63.0M | — |
| Total DebtLower is stronger | — | $27.3B |
| Stockholders' EquityBook value | $31.2B | $12.8B |
| Total Assets | $72.7B | $58.6B |
| Debt / EquityLower = less leverage | — | 2.13× |
8-quarter trend — quarters aligned by calendar period so offset fiscal years match up.
| Q4 25 | $63.0M | — | ||
| Q3 25 | $71.0M | — | ||
| Q2 25 | $82.0M | — | ||
| Q1 25 | $80.0M | — | ||
| Q4 24 | $88.0M | — | ||
| Q3 24 | $108.0M | — | ||
| Q2 24 | $98.0M | — | ||
| Q1 24 | $119.0M | — |
| Q4 25 | — | $27.3B | ||
| Q3 25 | — | $25.6B | ||
| Q2 25 | — | $25.6B | ||
| Q1 25 | — | $24.1B | ||
| Q4 24 | — | $24.7B | ||
| Q3 24 | — | $24.8B | ||
| Q2 24 | — | $24.1B | ||
| Q1 24 | — | $24.1B |
| Q4 25 | $31.2B | $12.8B | ||
| Q3 25 | $30.7B | $12.5B | ||
| Q2 25 | $30.8B | $12.4B | ||
| Q1 25 | $30.6B | $12.5B | ||
| Q4 24 | $30.5B | $12.4B | ||
| Q3 24 | $30.4B | $12.4B | ||
| Q2 24 | $30.3B | $12.3B | ||
| Q1 24 | $30.4B | $12.4B |
| Q4 25 | $72.7B | $58.6B | ||
| Q3 25 | $72.3B | $55.7B | ||
| Q2 25 | $72.4B | $56.1B | ||
| Q1 25 | $72.3B | $54.9B | ||
| Q4 24 | $71.4B | $54.5B | ||
| Q3 24 | $70.9B | $53.8B | ||
| Q2 24 | $70.7B | $52.4B | ||
| Q1 24 | $70.7B | $52.7B |
| Q4 25 | — | 2.13× | ||
| Q3 25 | — | 2.04× | ||
| Q2 25 | — | 2.06× | ||
| Q1 25 | — | 1.93× | ||
| Q4 24 | — | 1.99× | ||
| Q3 24 | — | 2.00× | ||
| Q2 24 | — | 1.96× | ||
| Q1 24 | — | 1.94× |
Cash Flow & Capital Efficiency
How much cash each business actually produces after reinvestment. Net income can be massaged; cash flow is harder to fake.
| Metric | | |
|---|---|---|
| Operating Cash FlowLast quarter | $1.7B | $1.6B |
| Free Cash FlowOCF − Capex | $872.0M | $-379.0M |
| FCF MarginFCF / Revenue | 21.7% | -9.9% |
| Capex IntensityCapex / Revenue; lower = less reinvestment burden | 20.4% | 50.9% |
| Cash ConversionOCF / Net Profit; >1× = earnings back up with cash | 1.70× | 2.15× |
| TTM Free Cash FlowTrailing 4 quarters | $2.9B | $1.0B |
8-quarter trend — quarters aligned by calendar period so offset fiscal years match up.
| Q4 25 | $1.7B | $1.6B | ||
| Q3 25 | $1.4B | $1.4B | ||
| Q2 25 | $1.6B | $1.4B | ||
| Q1 25 | $1.2B | $1.4B | ||
| Q4 24 | $1.5B | $1.2B | ||
| Q3 24 | $1.2B | $1.2B | ||
| Q2 24 | $1.7B | $1.3B | ||
| Q1 24 | $1.2B | $1.2B |
| Q4 25 | $872.0M | $-379.0M | ||
| Q3 25 | $621.0M | $485.0M | ||
| Q2 25 | $1.0B | $478.0M | ||
| Q1 25 | $396.0M | $421.0M | ||
| Q4 24 | $738.0M | $450.0M | ||
| Q3 24 | $592.0M | $561.0M | ||
| Q2 24 | $1.1B | $700.0M | ||
| Q1 24 | $570.0M | $690.0M |
| Q4 25 | 21.7% | -9.9% | ||
| Q3 25 | 16.7% | 13.9% | ||
| Q2 25 | 27.8% | 14.2% | ||
| Q1 25 | 10.3% | 10.1% | ||
| Q4 24 | 20.7% | 13.2% | ||
| Q3 24 | 18.0% | 18.5% | ||
| Q2 24 | 34.4% | 24.6% | ||
| Q1 24 | 16.7% | 20.7% |
| Q4 25 | 20.4% | 50.9% | ||
| Q3 25 | 21.3% | 27.3% | ||
| Q2 25 | 17.9% | 28.8% | ||
| Q1 25 | 19.8% | 24.2% | ||
| Q4 24 | 21.6% | 22.5% | ||
| Q3 24 | 20.0% | 22.5% | ||
| Q2 24 | 18.1% | 20.3% | ||
| Q1 24 | 18.2% | 16.3% |
| Q4 25 | 1.70× | 2.15× | ||
| Q3 25 | 2.25× | 2.22× | ||
| Q2 25 | 2.31× | 2.66× | ||
| Q1 25 | 1.62× | 2.07× | ||
| Q4 24 | 2.26× | 2.51× | ||
| Q3 24 | 2.00× | 1.76× | ||
| Q2 24 | 2.93× | 3.19× | ||
| Q1 24 | 1.59× | 1.95× |
Financial Flow Comparison
Sankey diagram of revenue → gross profit → operating profit → net profit for each company. Charts shown full-width and stacked so both segment hierarchies are readable side-by-side on desktop and mobile.
Revenue Breakdown by Segment
KMI
| Products | $2.0B | 50% |
| Natural Gas Sales | $1.1B | 28% |
| Products Pipelines | $602.0M | 15% |
| Product Other Than Natural Gas | $289.0M | 7% |
| Other | $51.0M | 1% |
| Other Commodity | $8.0M | 0% |
WMB
| Services | $2.2B | 57% |
| Natural Gas Us Regulated | $740.0M | 19% |
| West | $730.0M | 19% |
| Non Regulated Service Commodity Consideration | $51.0M | 1% |
| Natural Gas Gathering Transportation Marketing And Processing | $45.0M | 1% |
| Affiliated Entity | $23.0M | 1% |
| Other | $14.0M | 0% |
| Other Service | $11.0M | 0% |
