ONE Gas, Inc.

OGSNYSEUtilities● Active

$76.18

$-2.22(-2.83%)

Market Cap$4.8B

P/E Ratio—

52W High$90.78

52W Low$70.87

Avg Volume542K

Open$78.03

Beta0.65

Employees Ownership Insider Trades

ONE Gas, Inc. (OGS) Number of Employees – History & Annual Headcount

Annual SEC headcount, year-over-year change, and per-employee efficiency — chart and full history below.

SEC EDGAR · FMP · OGS · as of Feb 19, 2026

Latest filing snapshot

4,000

+100+2.56%vs prior year

ONE Gas, Inc. (OGS) employee data is sourced from the annual SEC 10-K filing. As of 2025, full-time employees only. Global consolidated headcount. View SEC filing ↗

SEC 10-K·Period end: 2025-12-31·Full-time · Global

Total Employees

4,000

Change (1Y)

+100

Growth % (1Y)

+2.56%

Revenue / Employee

$606.9K

Net Income / Employee

$66.1K

Market Cap

$4.8B

OGS Employee Count

2013 – 2025 · Annual · SEC filing

Source: SEC annual filings · Hover bar to view year data · Click to view original filing

Employees History

Filing Date	Period End	Employees	Change (1Y)	Growth (1Y)
2026-02-19	2025-12-31	4,000	+100	+2.56%
2025-02-20	2024-12-31	3,900	+0	+0.00%
2024-02-22	2023-12-31	3,900	+100	+2.63%
2023-02-23	2022-12-31	3,800	+200	+5.56%
2022-02-24	2021-12-31	3,600	-100	-2.70%
2021-02-26	2020-12-31	3,700	+100	+2.78%
2020-02-20	2019-12-31	3,600	+100	+2.86%
2019-02-20	2018-12-31	3,500	+0	+0.00%
2018-02-22	2017-12-31	3,500	+100	+2.94%
2017-02-23	2016-12-31	3,400	+0	+0.00%

▸ Source: SEC Annual Reports (Form 10-K / 20-F). Employee counts as of fiscal year end. Click the ↗ icon at the end of a row to open the original SEC filing in a new tab.

Related Companies — Employee Count

Regulated Gas

#SymbolCompanyEmployeesMkt Cap

Northwestern Energy Group Inc

1,585$4.3B #6

NJR

New Jersey Resources Corporation

1,372$5.5B #7

CPK

Chesapeake Utilities Corporation

1,200$2.9B

Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · OGS peer comparison

About OGS employees

OGS Employees · Headcount

ONE Gas, Inc. (OGS) employee data is sourced from the annual SEC 10-K filing. As of 2025, ONE Gas, Inc. had 4,000 full-time employees globally. Full-time employees only. Global consolidated headcount.

ONE Gas, Inc. employs 4,000 full-time employees as of the latest filing within the Regulated Gas industry. Revenue per employee stands at $606,857, reflecting the company's operational efficiency.

ONE Gas, Inc.'s workforce increased by 100 (2.56%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

ONE Gas, Inc.'s revenue per employee of $606,857 positions it among the notable performers in the Regulated Gas sector for operational efficiency.

Revenue Financial statements Net income SEC filings Price history Forecast & ratings Ownership Earnings

Frequently Asked Questions

OGS Employees · 5 questions

As of the latest SEC 10-K filing (2025), ONE Gas, Inc. had 4,000 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

ONE Gas, Inc. employee counthow many employees does ONE Gas, Inc. haveOGS total employees 2025

▸ Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-02-19