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 Jul 31, 2026, the latest employee count at Oneok is 6578.

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 9th amongst 910 active competitors, of which 42 are funded. It stands 9th in terms of total funding among its competitors. The most recent competitor to raise funding was Dominion Energy, which secured $33.6M in May, 2025.

Who are the top competitors of Oneok?

Oneok's top competitors include Shell, Archrock and Dominion Energy. Among them, Dominion Energy secured the most recent funding round in May, 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

9^th among 910 active competitors

Annual Revenue

$1B+ as on Dec 31, 2025

Employee Count

6,578 as on Jul 31, 2026

Investment & Acquisitions

EnLink & 6 more

Similar Companies

Shell & 1030 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	1069162	Conventional Debt	4873108	7400964	5702316	6189793

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View details of Oneok's funding rounds and investors

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

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

C B Ames: Former Co-Founder of Oneok.
Ryan C Haynes: 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 6,578 employees as of Jul 26. Here is Oneok's employee count trend over the years:

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Top competitors of Oneok include Shell, Archrock and Dominion Energy. 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	78/100
2nd	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
3rd	Dominion Energy 1983, United States, Acquired	Producer and transporter of energy	-	TD Securities, Coast Funding & 7 others	73/100
4th	TotalEnergies 1924, Paris (France), Public	Integrated energy company producing and marketing energy sources	-	Global Infrastructure Partners, BPE Partners ... & 5 others	73/100
5th	Chevron 1879, Houston (United States), Acquired	Provider of oil & natural gas exploration, production, and refining services	-	Berkshire Hathaway, Alcor Fund & 7 others	69/100
6th	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
7th	OMV Group 1956, Vienna (Austria), Acquired	Provider of oil & gas exploration and production services	-	ADNOC, ADNOC & 2 others	68/100
8th	Naturgy 1843, Madrid (Spain), Public	Provider of electricity distribution services	-	Global Infrastructure Partners, Corporacion Financiera Alba ... & 4 others	67/100
9th	Oneok 1906, Tulsa (United States), Public	Provider of natural gas operator and transportation services	-	-	67/100
10th	Gazprom 1989, Saint Petersburg (Russia), Public	Provider of natural gas & oil production, processing, and transportation services	-	Kingdom Holding Company, Mizuho Financial Group ... & 5 others	66/100

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Looking for more details on Oneok's competitors? Click here to see the top ones

Oneok has made 2 investments in companies including Crux OCM and Orbital Sidekick. Oneok has also acquired 5 companies including EnLink and Medallion Midstream.

Here is the list of investments & acquisitions:

Filter this list

Date of Investment/Acquisition	Type	Company Name	Founded Year	Location
Jan 23, 2025	Acquisition	EnLink	1992	Dallas (United States)
Aug 28, 2024	Acquisition	Medallion Midstream	2011	Irving (United States)
Aug 14, 2024	Investments	Crux OCM	2017	Calgary (Canada)