Companies: 10,795·Total market cap: $144.5T
ONEOK, Inc.

ONEOK, Inc.

OKENYSEEnergy● Active
$88.15
$-0.10(-0.11%)
Market Cap$55.5B
P/E Ratio
52W High$96.07
52W Low$64.02

ONEOK, Inc. (OKE) 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 · OKE · as of Feb 24, 2026

Latest filing snapshot

6,326
+1,149+22.19%vs prior year

ONEOK, Inc. (OKE) 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
6,326
Change (1Y)
+1,149
Growth % (1Y)
+22.19%
Revenue / Employee
$5.32M
Net Income / Employee
$536.7K
Market Cap
$55.5B

OKE Employee Count

1998 – 2025 · Annual · SEC filing

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

Employees History

Filing DateEmployeesChange (1Y)Growth (1Y)SEC filing link
2026-02-246,326+1,149+22.19%
2025-02-255,177+402+8.42%
2024-02-274,775+1,809+60.99%
2023-02-282,966+119+4.18%
2022-03-012,847-39-1.35%
2021-02-232,886+4+0.14%
2020-02-252,882+198+7.38%
2019-02-262,684+214+8.66%
2018-02-272,470+86+3.61%
2017-02-282,384+20+0.85%

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

Oil & Gas Midstream
#SymbolCompanyEmployees
#1
Energy Transfer LP
ET
Energy Transfer LP
16,248
#2
Occidental Petroleum Corporation
OXY
Occidental Petroleum Corporation
10,412
#3
ONEOK, Inc.
OKE
ONEOK, Inc.YOU
6,326
#4
MPLX Lp
MPLX
MPLX Lp
6,200
#5
Imperial Oil Limited
IMO
Imperial Oil Limited
5,100
#6
Diamondback Energy, Inc.
FANG
Diamondback Energy, Inc.
1,983
#7
Cheniere Energy, Inc.
LNG
Cheniere Energy, Inc.
1,714
Source: /stock-peers + /profile.fullTimeEmployees · Click row → /employees · Sorted by headcount · OKE peer comparison

About OKE employees

OKE Employees · Headcount

ONEOK, Inc. (OKE) employee data is sourced from the annual SEC 10-K filing. As of 2025, ONEOK, Inc. had 6,326 full-time employees globally. Full-time employees only. Global consolidated headcount.

ONEOK, Inc. employs 6,326 full-time employees as of the latest filing within the Oil & Gas Midstream industry. Revenue per employee stands at $5.32M, reflecting the company's operational efficiency.

ONEOK, Inc.'s workforce increased by 1,149 (22.19%) in 2025 compared to the prior fiscal year. The historical trend reflects the company's expansion and contraction cycles.

ONEOK, Inc.'s revenue per employee of $5.32M positions it among the notable performers in the Oil & Gas Midstream sector for operational efficiency.

Frequently Asked Questions

OKE Employees · 5 questions

As of the latest SEC 10-K filing (2025), ONEOK, Inc. had 6,326 full-time employees globally. This figure is sourced from the company's mandatory annual disclosure to the SEC.

ONEOK, Inc. employee counthow many employees does ONEOK, Inc. haveOKE total employees 2025

Data source: FMP /historical-employee-count · SEC EDGAR annual filings · As reported · Global consolidated headcount · As of 2026-02-24