Williams Market Cap 2012-2026 | WMB

Williams market cap history and chart from 2012 to 2026. Market capitalization (or market value) is the most commonly used method of measuring the size of a publicly traded company and is calculated by multiplying the current stock price by the number of shares outstanding. Williams market cap as of September 18, 2026 is $88.13B.
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Sector Industry Market Cap Revenue
Oils/Energy Oil & Gas - Production and Pipelines $88.129B $11.950B
The Williams Companies, Inc. is a premier energy infrastructure provider in North America. The company's core operations include finding, producing, gathering, processing, and transportation of natural gas and natural gas liquids. Williams is one of the largest domestic transporters of natural gas by volume. Its facilities (gas wells, pipelines, and midstream services) are concentrated in the Northwest, Rocky Mountains, Gulf Coast, and Eastern Seaboard. Williams Companies currently reports results under five segments. These include Atlantic-Gulf, West, Northeast G&P, Sequent and Others.
Stock Name Country Market Cap PE Ratio
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MPLX LP (MPLX) United States $60.264B 12.78
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Ultrapar Participacoes S.A (UGP) Brazil $8.456B 12.43
South Bow (SOBO) Canada $7.485B 17.76
Plainss (PAGP) United States $5.476B 79.06
Transportadora De Gas Sa Ord B (TGS) Argentina $4.264B 10.85
Expros (XPRO) United States $1.849B 39.19