One Gas Inc

NYSE:OGS USA Utilities - Regulated Gas
Market Cap
$5.21 Billion
Market Cap Rank
#2728 Global
#1879 in USA
Share Price
$86.89
Change (1 day)
-0.11%
52-Week Range
$71.59 - $87.70
All Time High
$87.70
About

ONE Gas, Inc., together with its subsidiaries, operates as a regulated natural gas distribution utility company in the United States. The company provides natural gas distribution services to approximately 2.3 million customers in Oklahoma, Kansas, and Texas. It serves residential, commercial, and transportation customers. The company was founded in 1906 and is headquartered in Tulsa, Oklahoma.

Market Cap & Net Worth: One Gas Inc (OGS)

One Gas Inc (NYSE:OGS) has a market capitalization of $5.21 Billion ($5.21 Billion) as of March 18, 2026. Listed on the NYSE stock exchange, this USA-based company holds position #2728 globally and #1879 in its home market, demonstrating a -0.30% decrease in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying One Gas Inc's stock price $86.89 by its total outstanding shares 59999041 (60.00 Million).

One Gas Inc Market Cap History: 2015 to 2026

One Gas Inc's market capitalization history from 2015 to 2026. Data shows growth from $2.32 Billion to $5.21 Billion (8.42% CAGR).

Index Memberships

One Gas Inc is a constituent of 1 market index:

Index Total Market Cap Weight (%) Rank by Market Cap
S&P Midcap 400
MID
$3.04 Trillion 0.17% #242 of 401

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

One Gas Inc Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how One Gas 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

1.91x

One Gas Inc's market cap is 1.91 times its annual revenue

Industry average:
6.67x
Lower than industry average

Latest Price to Earnings (P/E) Ratio

17.54x

One Gas Inc's market cap is 17.54 times its annual earnings

Industry average:
3.07x
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 $3.03 Billion $1.43 Billion $140.09 Million 2.12x 21.62x
2017 $3.55 Billion $1.54 Billion $163.00 Million 2.31x 21.80x
2018 $3.96 Billion $1.63 Billion $172.23 Million 2.42x 22.98x
2019 $4.76 Billion $1.65 Billion $186.75 Million 2.88x 25.49x
2020 $4.01 Billion $1.53 Billion $196.41 Million 2.62x 20.42x
2021 $4.19 Billion $1.81 Billion $206.43 Million 2.31x 20.28x
2022 $4.21 Billion $2.58 Billion $221.74 Million 1.63x 19.00x
2023 $3.67 Billion $2.37 Billion $231.23 Million 1.55x 15.89x
2024 $4.15 Billion $2.08 Billion $222.85 Million 1.99x 18.64x
2025 $4.63 Billion $2.43 Billion $264.22 Million 1.91x 17.54x

Competitor Companies of OGS by Market Capitalization

Companies near One Gas Inc in the global market cap rankings as of March 18, 2026.

Key companies related to One Gas Inc by market ranking:

  • Atmos Energy Corporation (NYSE:ATO): Ranked #676 globally with a market cap of $30.35 Billion USD.
  • NiSource Inc (NYSE:NI): Ranked #895 globally with a market cap of $21.94 Billion USD.
  • GAIL (India) Limited (PINK:GAILF): Ranked #1269 globally with a market cap of $14.55 Billion USD.
  • Osaka Gas Co. Ltd (OTCGREY:OSGSY): Ranked #1477 globally with a market cap of $11.89 Billion USD.

Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#676 Atmos Energy Corporation NYSE:ATO $30.35 Billion $186.98
#895 NiSource Inc NYSE:NI $21.94 Billion $47.26
#1269 GAIL (India) Limited PINK:GAILF $14.55 Billion $10.80
#1477 Osaka Gas Co. Ltd OTCGREY:OSGSY $11.89 Billion $32.81

One Gas Inc Historical Marketcap From 2015 to 2026

Between 2015 and today, One Gas Inc's market cap moved from $2.32 Billion to $ 5.21 Billion, with a yearly change of 8.42%.

Year Market Cap Change (%)
2026 $5.21 Billion +12.48%
2025 $4.63 Billion +11.55%
2024 $4.15 Billion +13.08%
2023 $3.67 Billion -12.77%
2022 $4.21 Billion +0.63%
2021 $4.19 Billion +4.34%
2020 $4.01 Billion -15.74%
2019 $4.76 Billion +20.26%
2018 $3.96 Billion +11.40%
2017 $3.55 Billion +17.30%
2016 $3.03 Billion +30.47%
2015 $2.32 Billion --

End of Day Market Cap According to Different Sources

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

Source Market Cap
Yahoo Finance $5.21 Billion USD
MoneyControl $5.21 Billion USD
MarketWatch $5.21 Billion USD
marketcap.company $5.21 Billion USD
Reuters $5.21 Billion USD

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