With a market capitalization (market cap) of $5.09B — a measure of how much the company is worth — ONE Gas, Inc. is the 1410th most valuable company in Utilities as of August 18, 2026. Shares trade at $81.05, up +1.34% on the day.
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ONE Gas, Inc., along with its affiliated companies, functions as a regulated natural gas utility across the United States. Its operations are structured into three distinct divisions: Oklahoma Natural Gas, Kansas Gas Service, and Texas Gas Service. These divisions collectively deliver natural gas distribution services to approximately 2.2 million customers spanning three states. Its diverse clientele includes residential households, commercial enterprises, and transportation sector users. Pertaining to its infrastructure, as of December 31, 2021, the company maintained an extensive network comprising roughly 41,600 miles of distribution mains and 2,400 miles of transmission pipelines. Furthermore, it possessed a substantial natural gas storage capacity of 51.4 billion cubic feet. Established in 1906, ONE Gas, Inc. maintains its corporate headquarters in Tulsa, Oklahoma.
Visit websiteAs of August 18, 2026, ONE Gas, Inc. (OGS) is worth $5.09B — this is its market capitalization, the total value of all its outstanding shares.
ONE Gas, Inc.’s market cap is $5.09B, which ranks it #1410 among the most valuable companies in the Utilities sector tracked on MarketCapLens.
ONE Gas, Inc. (OGS) shares trade at $81.05, up 1.34% on the day, as of August 18, 2026.
ONE Gas, Inc. trades at a price-to-earnings (P/E) ratio of 18.5, based on its latest share price and annual earnings per share.
Fundamentals are annual. Figures labeled with their fiscal year.
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