Who owns Oklahoma Natural Gas?
Oklahoma Natural Gas is owned by ONE Gas (the United States, NYSE: OGS).[1]
Evidence: ONE Gas, Inc. Annual Report on Form 10-K filed 2026-02-19, SEC EDGAR, 19 February 2026. Verified from filings; last checked .
Key facts
- Current owner
- ONE Gas, Inc. verified
- Owner HQ
- 🇺🇸 United States
- Origin
- 🇺🇸 United States
- Category
- Energy › Power & utilities › Gas utilities
- Parent ticker
- NYSE: OGS
- Last verified
- · 1 sources
About Oklahoma Natural Gas
Oklahoma Natural Gas is ONE Gas's Oklahoma division, regulated by the Oklahoma Corporation Commission and operating under a performance-based rate change mechanism. Oklahoma City and Tulsa are among the company's largest markets.
What ONE Gas's annual report says about Oklahoma Natural Gas
Sentences about Oklahoma Natural Gas from ONE Gas's latest annual filing[1], copied word for word.
Oklahoma - Oklahoma Natural Gas currently operates under a PBRC mechanism, which provides for streamlined annual rate reviews between rate cases to adjust rates for incremental capital investment and changes in revenue and allowed expenses.
Oklahoma Natural Gas is required to make filings pursuant to the PBRC mechanism for the 12 months ended December 31 for each of the years 2021 through 2025.
Oklahoma Natural Gas is also required to file a rate case on or before June 30, 2027, based on a test year ending December 31, 2026.
How often ONE Gas names Oklahoma Natural Gas in its annual report
A plain count of the times the name appears in the text of each annual report, not counting the start of a sentence. A brand that an owner writes about more is usually one it treats as central. The brand is named less often than it was three years earlier.
Ownership timeline of Oklahoma Natural Gas
Where Oklahoma Natural Gas sits in ONE Gas
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full ONE Gas ownership tree →
See the full ONE Gas brand portfolio (3) →
Other brands owned by ONE Gas
ONE Gas controls 3 brands on Brandtree, 3 of them in energy.
Also in energy
Other brands in gas utilities, and who owns them
ONE Gas has more brands in gas utilities on Brandtree than any other owner: 3 of 14.
| Brand | Owner | Owner based in |
|---|---|---|
| Atlanta Gas Light | Southern Company | 🇺🇸 United States |
| Comgás | Cosan | 🇧🇷 Brazil |
| Enbridge Gas Ontario | Enbridge | 🇨🇦 Canada |
| FortisBC | Fortis | 🇨🇦 Canada |
| Daigas Energy | Osaka Gas | 🇯🇵 Japan |
| Agway Energy Services | Suburban Propane | 🇺🇸 United States |
| Towngas | Towngas | 🇭🇰 Hong Kong |
| Mountaineer Gas | UGI | 🇺🇸 United States |
About the owner: ONE Gas
ONE Gas is a publicly listed company headquartered in United States. Brandtree records 3 brands under its control, and it is listed as NYSE: OGS.
ONE Gas's 2025 Form 10-K says it provides natural gas distribution to about 2.3 million customers and is the largest distributor in Oklahoma and Kansas and the third largest in Texas. It operates through three divisions named in the filing: Oklahoma Natural Gas, Kansas Gas Service and Texas Gas Service.
🇺🇸 Oklahoma Natural Gas and other American brands
Brandtree records a controlling owner for 2,399 brands that began in the United States. 461 of them (19%) are now controlled by a company headquartered in another country; Oklahoma Natural Gas is not one of them.
- AES Ohio — AES 🇺🇸
- Agway Energy Services — Suburban Propane 🇺🇸
- Alabama Power — Southern Company 🇺🇸
- AmeriGas — UGI 🇺🇸
- American Transmission Company — WEC Energy Group 🇺🇸
- Arch Resources — Core Natural Resources 🇺🇸
Frequently asked questions
Who is the parent company of Oklahoma Natural Gas?
The parent company of Oklahoma Natural Gas is ONE Gas, a publicly listed company headquartered in the United States.
Is Oklahoma Natural Gas American?
Yes. Oklahoma Natural Gas originated in the United States and its owner, ONE Gas, is also headquartered in the United States.
Is Oklahoma Natural Gas still owned by ONE Gas?
Yes. As of 10 October 2026, Oklahoma Natural Gas is still owned by ONE Gas. The ownership record was last checked against primary sources on that date.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] ONE Gas, Inc. Annual Report on Form 10-K filed 2026-02-19 — SEC EDGAR, SEC Form 10-K, published 19 February 2026; retrieved 5 October 2026.
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