How many employees does ONEOK, Inc. have?

ONEOK, Inc. reported 6,326 employees for the fiscal year ending Dec 2025, in the annual report it filed on February 24, 2026. That is up 22.2% from a year earlier.

What is ONEOK, Inc.'s revenue per employee?

ONEOK, Inc. brought in $33.6B of revenue in fiscal Dec 2025, which is $5.32M per employee. That ranks 7 of 16 companies we track in Oil & Gas Midstream, where the median is $4.94M.

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

ONEOK, Inc. employees and revenue per employee

OKE · Oil & Gas Midstream · $55.4B market cap

ONEOK, Inc. had 6,326 employees at the end of fiscal Dec 2025, up 22.2% from a year earlier. Revenue for the year was $33.6B, up 55.4% from a year earlier, or $5.32M per employee. Revenue and headcount both grew, and revenue grew faster.

Employees

6,326

+22.2% YoY

Revenue

$33.6B

+55.4% YoY

Revenue / employee

$5.32M

Peer median $4.94M

Rank in industry

7 of 16

Oil & Gas Midstream

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.

OKE employees and revenue by fiscal year
Year ending	Employees	Revenue	Per employee	Staff YoY	Revenue YoY
Dec 2025	6,326	$33.6B	$5.32M	+22.2%	+55.4%
Dec 2024	5,177	$21.6B	$4.18M	+8.4%	+22.4%
Dec 2023	4,775	$17.7B	$3.70M	+61.0%	-22.7%
Dec 2022	2,966	$22.9B	$7.71M	+4.2%	+32.4%
Dec 2021	2,847	$17.3B	$6.07M	-1.4%	+104.2%
Dec 2020	2,886	$8.46B	$2.93M	+0.1%	-16.4%
Dec 2019	2,882	$10.1B	$3.51M	+7.4%	-19.9%
Dec 2018	2,684	$12.6B	$4.70M	+8.7%	+3.1%
Dec 2017	2,470	$12.2B	$4.96M	+3.6%	+37.6%
Dec 2016	2,384	$8.89B	$3.73M	—	—

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

ONEOK, Inc. against similar companies

The closest industry peers by revenue, from Oil & Gas Midstream.

Company	Employees	Revenue	Revenue / employee	Shape
PAA Plains All American Pipeline, L.P.	3,900	$44.3B	$11.3M	Contracting
PAGP Plains GP Holdings LP	3,900	$44.3B	$11.3M	Contracting
LNG Cheniere Energy, Inc.	1,714	$15.8B	$9.20M	Hiring into decline
VG Venture Global, Inc.	2,000	$13.8B	$6.88M	Efficient growth
EPD Enterprise Products Partners L.P.	8,000	$52.6B	$6.57M	Hiring into decline
OKE ONEOK, Inc.	6,326	$33.6B	$5.32M	Efficient growth
TRGP Targa Resources Corp.	3,570	$17.1B	$4.80M	Hiring ahead
ET Energy Transfer LP	22,311	$82.6B	$3.70M	Hiring into decline
KMI Kinder Morgan, Inc.	11,028	$16.9B	$1.54M	Efficient growth

Every Energy company

Questions about ONEOK, Inc.

How many employees does ONEOK, Inc. have?: ONEOK, Inc. reported 6,326 employees for the fiscal year ending Dec 2025, in the annual report it filed on February 24, 2026. That is up 22.2% from a year earlier.
What is ONEOK, Inc.'s revenue per employee?: ONEOK, Inc. brought in $33.6B of revenue in fiscal Dec 2025, which is $5.32M per employee. That ranks 7 of 16 companies we track in Oil & Gas Midstream, where the median is $4.94M.
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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Source: employee counts and revenue as stated in ONEOK, Inc.'s annual reports (Form 10-K), latest filed February 24, 2026. This is data, not a recommendation to buy or sell OKE.