Oneok, Inc. 401(k) Plan: Login, Facts & Contact Information

Oneok, Inc. 401(k) Plan Facts

Plan name
ONEOK, INC. 401(K) PLAN
Plan type
401(k) with employer contributions and profit sharing with a company-stock (ESOP) component
Plan sponsor
ONEOK, INC.
Participants
5,429 (5,150 active employees)
Former employees with a balance
665
Plan assets
$1,415,489,000 at Dec 31, 2024
Average account balance
$243,756 across 5,807 accounts
Employer contributions
$68,040,000 in plan year 2024 (48% of all contributions)
Recordkeeper
Fidelity Investments Institutional
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Apr 1, 1956
✓ Employer contributions✓ Automatic enrollment✓ Default investment for undecided participants✓ Participants choose their own investments— Self-directed brokerage window✓ Profit sharing✓ Company stock (ESOP)

Source: Form 5500 for plan year 2024 (Jan 1, 2024 – Dec 31, 2024), filed Sep 22, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $140.9 million went into the plan in contributions, $68.0 million of it from the employer (48%).
  • $123.4 million was paid out to participants.
  • Investment and other income added $241.4 million.

How the Oneok, Inc. 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
20193,163$692.9 million$31.2 million$68.7 million
20203,403$691.7 million$27.1 million$60.9 million
20213,421$849.5 million$32.8 million$86.3 million
20223,428$770.4 million$34.8 million$86.9 million
20233,588$1.16 billion$47.2 million$83.5 million
20245,429$1.42 billion$68.0 million$123.4 million

Oneok, Inc. 401(k) Contact Information

Phone
918-588-7000
Mailing address
100 WEST FIFTH STREET, TULSA OK 74103
Plan sponsor
ONEOK, INC.
Plan administrator
ONEOK, INC. BENEFIT PLAN ADMINISTRATION COMMITTEE
Employer identification number (EIN)
73-1520922
Plan number
002

Questions about the Oneok, Inc. 401(k)

Does Oneok, Inc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $68.0 million, 48% of all contributions.

Does the Oneok, Inc 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Oneok, Inc 401(k) plan?

5,429 participants at the start of plan year 2024, 5,150 of them active employees, and 665 former employees who still had money in the plan.

What is the average 401(k) balance at Oneok, Inc?

About $243,756 per account: $1.42 billion in plan assets across 5,807 accounts with a balance at the end of plan year 2024.

Who manages the Oneok, Inc 401(k) accounts?

Fidelity NetBenefits (listed on the filing as FIDELITY INVESTMENTS INSTITUTIONAL) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Oneok, Inc. How do I access my 401(k)?

Your account stays with Fidelity NetBenefits after you leave, so you can log in with the same credentials. If your balance was small, the plan may have rolled it into an IRA in your name. If you can't find it, Beagle can locate it for you.

Related Companies
Headquarter: P.O. BOX 59, EVANSVILLE, IN, 47701
Headquarter: 1 ONEONTA DRIVE, WENATCHEE, WA, 98801
Headquarter: 1750 PRESIDENTS STREET, RESTON, VA, 20190
Headquarter: 7750 WISCONSIN AVENUE, BETHESDA, MD, 20814
Headquarter: ROUTE 206 PROVINCE LINE ROAD, PRINCETON, NJ, 08543