How many employees does ONE Gas, Inc. have?

ONE Gas, Inc. reported 4,000 employees for the fiscal year ending Dec 2025, in the annual report it filed on February 19, 2026. That is up 2.6% from a year earlier.

What is ONE Gas, Inc.'s revenue per employee?

ONE Gas, Inc. brought in $2.43B of revenue in fiscal Dec 2025, which is $607K per employee. That ranks 8 of 8 companies we track in Regulated Gas, where the median is $809K.

Where do these numbers come from?

Employee counts and revenue are taken from each company's own annual report (Form 10-K). Open roles are counted from the company's public job board where we have matched one. Companies report headcount once a year, sometimes rounded, so small changes can be noise.

Company data

ONE Gas, Inc. employees and revenue per employee

OGS · Regulated Gas · $4.55B market cap

ONE Gas, Inc. had 4,000 employees at the end of fiscal Dec 2025, up 2.6% from a year earlier. Revenue for the year was $2.43B, up 16.5% from a year earlier, or $607K per employee. Revenue and headcount both grew, and revenue grew faster.

Employees

4,000

+2.6% YoY

Revenue

$2.43B

+16.5% YoY

Revenue / employee

$607K

Peer median $809K

Rank in industry

8 of 8

Regulated Gas

Headcount against revenue

Both lines start at 100 in the first year we hold, so you can see which one grew faster.

EmployeesRevenueIndexed to 100 in Dec 2016

Hover a year for the numbers.

OGS employees and revenue by fiscal year
Year ending	Employees	Revenue	Per employee	Staff YoY	Revenue YoY
Dec 2025	4,000	$2.43B	$607K	+2.6%	+16.5%
Dec 2024	3,900	$2.08B	$534K	+0.0%	-12.2%
Dec 2023	3,900	$2.37B	$608K	+2.6%	-8.0%
Dec 2022	3,800	$2.58B	$678K	+5.6%	+42.5%
Dec 2021	3,600	$1.81B	$502K	-2.7%	+18.2%
Dec 2020	3,700	$1.53B	$414K	+2.8%	-7.4%
Dec 2019	3,600	$1.65B	$459K	+2.9%	+1.2%
Dec 2018	3,500	$1.63B	$467K	+0.0%	+6.1%
Dec 2017	3,500	$1.54B	$440K	+2.9%	+7.9%
Dec 2016	3,400	$1.43B	$420K	—	—

Open roles: we have not matched a verified job board for this company yet.

Employees, last six fiscal years

Revenue per employee, last six fiscal years

ONE Gas, Inc. against similar companies

The closest industry peers by revenue, from Regulated Gas.

Company	Employees	Revenue	Revenue / employee	Shape
NJR New Jersey Resources Corporation	1,376	$2.03B	$1.48M	Efficient growth
NI NiSource Inc	7,668	$6.64B	$866K	Leaner
ATO Atmos Energy Corporation	5,487	$4.70B	$857K	Efficient growth
BKH Black Hills Corporation	2,795	$2.31B	$826K	Leaner
SWX Southwest Gas Holdings, Inc.	2,453	$1.94B	$791K	Hiring into decline
UGI UGI Corporation	9,400	$7.29B	$775K	Leaner
SR Spire Inc.	3,497	$2.48B	$708K	Hiring into decline
OGS ONE Gas, Inc.	4,000	$2.43B	$607K	Efficient growth

Every Utilities company

Questions about ONE Gas, Inc.

How many employees does ONE Gas, Inc. have?: ONE Gas, Inc. reported 4,000 employees for the fiscal year ending Dec 2025, in the annual report it filed on February 19, 2026. That is up 2.6% from a year earlier.
What is ONE Gas, Inc.'s revenue per employee?: ONE Gas, Inc. brought in $2.43B of revenue in fiscal Dec 2025, which is $607K per employee. That ranks 8 of 8 companies we track in Regulated Gas, where the median is $809K.
Where do these numbers come from?: Employee counts and revenue are taken from each company's own annual report (Form 10-K). Open roles are counted from the company's public job board where we have matched one. Companies report headcount once a year, sometimes rounded, so small changes can be noise.

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More data

Compare OGS with the rest of the market

See who earns the most per employee, who is hiring, and who is cutting, across every company we track.

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Source: employee counts and revenue as stated in ONE Gas, Inc.'s annual reports (Form 10-K), latest filed February 19, 2026. This is data, not a recommendation to buy or sell OGS.