Williams Companies Inc

NYSE:WMB USA Oil & Gas Midstream
Market Cap
$90.05 Billion
Market Cap Rank
#231 Global
#183 in USA
Share Price
$73.69
Change (1 day)
-0.27%
52-Week Range
$54.33 - $76.26
All Time High
$76.26
About

The Williams Companies, Inc., together with its subsidiaries, operates as an energy infrastructure company primarily in the United States. It operates through Transmission & Gulf of America, Northeast G&P, West, and Gas & NGL Marketing Services segments. The Transmission & Gulf of America segment comprises Transco, NWP, and MountainWest interstate natural gas pipelines, and their related natural … Read more

Market Cap & Net Worth: Williams Companies Inc (WMB)

Williams Companies Inc (NYSE:WMB) has a market capitalization of $90.05 Billion ($90.05 Billion) as of March 19, 2026. Listed on the NYSE stock exchange, this USA-based company holds position #231 globally and #183 in its home market, demonstrating a 0.70% increase in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying Williams Companies Inc's stock price $73.69 by its total outstanding shares 1222000000 (1.22 Billion).

Williams Companies Inc Market Cap History: 2015 to 2026

Williams Companies Inc's market capitalization history from 2015 to 2026. Data shows growth from $18.72 Billion to $90.05 Billion (11.19% CAGR).

Index Memberships

Williams Companies Inc is a constituent of 2 market indices:

Index Total Market Cap Weight (%) Rank by Market Cap
Dow Jones Oil & Gas
DJUSEN
$2.10 Trillion 4.21% #4 of 77
S&P 500 Index
GSPC
$53.17 Trillion 0.15% #116 of 503

Weight: Williams Companies Inc's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.

Williams Companies Inc Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how Williams Companies Inc's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance.

Latest Price to Sales (P/S) Ratio

6.15x

Williams Companies Inc's market cap is 6.15 times its annual revenue

Industry average:
3.43x
Higher than industry average

Latest Price to Earnings (P/E) Ratio

28.06x

Williams Companies Inc's market cap is 28.06 times its annual earnings

Industry average:
15.81x
Higher than industry average
What These Ratios Tell Investors:
  • Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
  • Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
  • Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
  • Industry comparison provides context for whether the company is valued higher or lower than peers.
Year Market Cap (USD) Revenue (USD) Net Income (USD) P/S Ratio P/E Ratio
2016 $24.55 Billion $7.50 Billion -$424.00 Million 3.27x N/A
2017 $25.05 Billion $8.03 Billion $2.17 Billion 3.12x 11.52x
2018 $19.07 Billion $8.69 Billion -$155.00 Million 2.20x N/A
2019 $21.77 Billion $8.20 Billion $850.00 Million 2.65x 25.61x
2020 $19.99 Billion $7.72 Billion $211.00 Million 2.59x 94.73x
2021 $27.65 Billion $10.63 Billion $1.52 Billion 2.60x 18.23x
2022 $36.73 Billion $10.96 Billion $2.05 Billion 3.35x 17.93x
2023 $41.09 Billion $10.91 Billion $3.18 Billion 3.77x 12.93x
2024 $66.13 Billion $10.50 Billion $2.23 Billion 6.30x 29.72x
2025 $73.45 Billion $11.95 Billion $2.62 Billion 6.15x 28.06x

Competitor Companies of WMB by Market Capitalization

Companies near Williams Companies Inc in the global market cap rankings as of March 19, 2026.

Key companies related to Williams Companies Inc by market ranking:

  • Enbridge Inc (NYSE:ENB): Ranked #159 globally with a market cap of $117.74 Billion USD.
  • The Williams Companies, Inc. (SA:W1MB34): Ranked #286 globally with a market cap of $74.15 Billion USD ( R$451.57 Billion BRL).
  • Kinder Morgan Inc (NYSE:KMI): Ranked #340 globally with a market cap of $64.50 Billion USD.
  • TC Energy Corp (NYSE:TRP): Ranked #347 globally with a market cap of $62.83 Billion USD.

Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#159 Enbridge Inc NYSE:ENB $117.74 Billion $54.05
#286 The Williams Companies, Inc. SA:W1MB34 $74.15 Billion R$371.65
#340 Kinder Morgan Inc NYSE:KMI $64.50 Billion $33.27
#347 TC Energy Corp NYSE:TRP $62.83 Billion $63.95

Williams Companies Inc Historical Marketcap From 2015 to 2026

Between 2015 and today, Williams Companies Inc's market cap moved from $18.72 Billion to $ 90.05 Billion, with a yearly change of 11.19%.

Year Market Cap Change (%)
2026 $90.05 Billion +22.59%
2025 $73.45 Billion +11.07%
2024 $66.13 Billion +60.95%
2023 $41.09 Billion +11.86%
2022 $36.73 Billion +32.83%
2021 $27.65 Billion +38.36%
2020 $19.99 Billion -8.20%
2019 $21.77 Billion +14.18%
2018 $19.07 Billion -23.88%
2017 $25.05 Billion +2.02%
2016 $24.55 Billion +31.18%
2015 $18.72 Billion --

End of Day Market Cap According to Different Sources

On Mar 18th, 2026 the market cap of Williams Companies Inc was reported to be:

Source Market Cap
Yahoo Finance $90.05 Billion USD
MoneyControl $90.05 Billion USD
MarketWatch $90.05 Billion USD
marketcap.company $90.05 Billion USD
Reuters $90.05 Billion USD

Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.