When was Oneok founded?

Oneok was founded in 1906 and raised its 1st funding round 113 years after it was founded.

Where is Oneok located?

Oneok is headquartered in Tulsa, United States. It is registered at Tulsa, Oklahoma.

How many employees does Oneok have?

As of Jun 30, 2026, the latest employee count at Oneok is 6527.

Is Oneok a funded company?

Oneok is a funded company, having raised a total of $***** in its 1st and only funding round, a Conventional Debt round on Aug 12, 2019.

When was the latest funding round of Oneok?

Oneok's latest funding was a $***** Conventional Debt round on Aug 12, 2019, with participation from 0 investor.

What is the annual revenue of Oneok?

Annual revenue of Oneok is more than $1B as on Dec 31, 2025

Where does Oneok rank among its competitors?

Oneok ranks 11th amongst 904 active competitors, of which 42 are funded. It stands 11th in terms of total funding among its competitors. The most recent competitor to raise funding was Chevron, which secured $13M in Jul, 2025.

Who are the top competitors of Oneok?

Oneok's top competitors include Shell, TotalEnergies and Archrock. Among them, Chevron secured the most recent funding round in July, 2025.

Oneok - 2026 Company Profile, Team, Funding, Competitors & Financials

Company Details

In 2022, the company recorded annual revenues of $21.71B and a net profit of $2.38B.

Website: www.oneok.com/
Social
Phone Number: +1 **********
Registered Address: Tulsa, Oklahoma

Key Metrics

Founded Year

1906

Location

Tulsa, United States

Stage

Public

Latest Funding Round

Conventional Debt, Aug 12, 2019, $*****

Ranked

11^th among 904 active competitors

Annual Revenue

$1B+ as on Dec 31, 2025

Employee Count

6,527 as on Jun 30, 2026

Investment & Acquisitions

Medallion Midstream & 5 more

Similar Companies

Shell & 1023 more

Exit Details

Public

View Oneok's full profile

Oneok is associated with 3 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
ONEOK, INC. CIN: 731520922 , United States, Active	Dec 26, 999	-	5150 (As on Dec 31, 2024)	-
ONEOK PARTNERS LP CIN: 909281 , United States, Active	Jul 12, 1993	$1B+ (As on Dec 31, 2016)	-	-
ONEOK INC /NEW/ CIN: 1039684 , United States, Active		$1B+ (As on Dec 31, 2025)	-	-

Oneok got listed on Jan 13, 1978.

Click here to take a look at Oneok's IPO in detail

Oneok has raised funding over 1 round.

Here is the list of recent funding rounds of Oneok:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Aug 12, 2019	6170293	Conventional Debt	1314233	4677772	9014227	9649886

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View details of Oneok's funding rounds and investors

The founders of Oneok are Ryan C Haynes and C B Ames. Terry Spencer is the CEO of Oneok.

Here are the details of Oneok's key team members:

Ryan C Haynes: Co-Founder of Oneok.
C B Ames: Former Co-Founder of Oneok.
Terry Spencer: CEO of Oneok.

View details of Oneok's Founder profiles and Board Members

Oneok's employee count trend

Oneok has 6,527 employees as of Jun 26. Here is Oneok's employee count trend over the years:

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Top competitors of Oneok include Shell, TotalEnergies and Archrock. Here is the list of Top 10 competitors of Oneok, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Shell 1907, London (United Kingdom), Public	Provider of natural gas & oil exploration, refining, midstream, and upstream services	-	Pierce Mason Private Equity, Gov & 4 others	83/100
2nd	TotalEnergies 1924, Paris (France), Public	Integrated energy company producing and marketing energy sources	-	Global Infrastructure Partners, BPE Partners ... & 5 others	76/100
3rd	Archrock 1954, Houston (United States), Acquired	Provider of natural gas compression solutions for midstream companies	$15M	New Enterprise Associates, Shasta Ventures ... & 4 others	73/100
4th	Dominion Energy 1983, United States, Acquired	Producer and transporter of energy	-	TD Securities, Coast Funding & 7 others	73/100
5th	LOTOS 1972, Gdansk (Poland), Acquired	Crude oil production, processing, distribution, and retailing company	-	Penton Partners, Europa	70/100
6th	Targa Resources 2003, Houston (United States), Public	Provides midstream natural gas and NGL services	-	Stonepeak Infrastructure Partners, Greenleaf Trust ... & 3 others	70/100
7th	Eni Next 1953, Boston (United States), Public	Provider of exploration, production, and distribution services of oil & gas	-	B Capital Fund, Public Investment Fund & 4 others	69/100
8th	Chevron 1879, Houston (United States), Acquired	Provider of oil & natural gas exploration, production, and refining services	-	Alcor Fund, Berkshire Hathaway & 7 others	69/100
9th	OMV Group 1956, Vienna (Austria), Acquired	Provider of oil & gas exploration and production services	-	ADNOC, ADNOC & 2 others	68/100
10th	Naturgy 1843, Madrid (Spain), Public	Provider of electricity distribution services	-	Global Infrastructure Partners, Corporacion Financiera Alba ... & 4 others	67/100
11th	Oneok 1906, Tulsa (United States), Public	Provider of natural gas operator and transportation services	-	-	67/100

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Oneok has made 2 investments in companies including Crux OCM and Orbital Sidekick. Oneok has also acquired 4 companies including Medallion Midstream and Magellan Midstream Partners.

Here is the list of investments & acquisitions:

Filter this list

Date of Investment/Acquisition	Type	Company Name	Founded Year	Location
Aug 28, 2024	Acquisition	Medallion Midstream	2011	Irving (United States)
Aug 14, 2024	Investments	Crux OCM	2017	Calgary (Canada)
May 15, 2023	Acquisition	Magellan Midstream Partners	2000	Tulsa (United States)