KMI vs WMB
Kinder Morgan (KMI) and Williams Companies (WMB) compared side by side. Williams Companies (WMB) is larger, with a market cap of $87.7B versus $76.7B for Kinder Morgan, about 1.1 times the size. On trailing earnings, KMI is cheaper at 21.3x versus 28.6x for WMB.
Head to head
| Metric | KMI | WMB |
|---|---|---|
| Market cap | $76.7B | $87.7B |
| P/E (TTM) | 21.3x | 28.6x |
| Forward P/E | 21.9x | 27.1x |
| Revenue (TTM) | $18.3B | $12.3B |
| Revenue growth | 9.3% | 7.8% |
| Gross margin | 48.6% | 63.6% |
| Operating margin | 24.0% | 39.5% |
| Free cash flow | $3.2B | -$174.0M |
| Dividend yield | 3.46% | 2.93% |
| 1-year return | +36.4% | +25.4% |
| 5-year return (annual) | +20.6% | +25.5% |
| Max drawdown | -73% | -98% |
| FI Handbook grade | C | C |
Highlighted: the stronger figure on metrics where higher or lower is clearly better.
Growth of $10,000 (5 years, price only)
KMI vs WMB FAQ
Which is bigger, KMI or WMB?
Williams Companies (WMB) is larger, with a market cap of $87.7B versus $76.7B for Kinder Morgan, about 1.1 times the size.
Is KMI or WMB cheaper?
On trailing earnings, KMI is cheaper at 21.3x versus 28.6x for WMB. A lower P/E can reflect slower expected growth, so compare growth and margins too.
Which stock performed better over the past year, KMI or WMB?
KMI returned +36.4% over the past year including dividends, versus +25.4% for WMB, through October 23, 2026.
Which pays a higher dividend, KMI or WMB?
KMI yields 3.46% versus 2.93% for WMB.
Full pages: Kinder Morgan · Williams Companies