Williams Companies, Inc. WMB

What this company does

Williams operates in 11 supply areas that provide natural gas gathering and processing, transmission and storage services, NGL fractionation, transportation and storage services, and marketing services to approximately 800 customers. It owns an interest in and operates over 32,000 miles of pipelines in 24 states and in the Gulf of America, 35 natural gas processing facilities, 9 NGL fractionation facilities, approximately 23 million barrels of NGL storage capacity, and 423 Bcf of natural gas storage capacity. Williams' headquarters are located in Tulsa, Oklahoma, with other major offices in Houston, Texas; Pittsburgh, Pennsylvania; and Salt Lake City, Utah. Williams' operations are conducted, managed, and presented within four reportable segments -- Transmission, Power & Gulf; Northeast G&P; West; and Gas & NGL Marketing Services -- with remaining business activities, including upstream operations and corporate activities, included in Other. During 2025, Williams' facilities gathered and processed gas for approximately 253 customers, and its top ten customers accounted for approximately 55 percent of gathering and processing fee revenues and NGL margins from noncash commodity-based agreements. Williams was founded in 1908, originally incorporated under the laws of the state of Nevada in 1949, and reincorporated under the laws of the state of Delaware in 1987.

Written from the business description in WILLIAMS COMPANIES, INC.'s annual report to the U.S. Securities and Exchange Commission, filed 24 February 2026. Every sentence was checked against that document before publication.