EntityWire

EntityWire / EIN 73-1520922

Employer with a benefit plan

ONEOK, INC.

EIN 73-1520922. What DOL Form 5500 filings (EFAST2) and SEC EDGAR company filings say about this entity, with the source and date on every fact. Latest record 2026-08-31.

Employer with a benefit plan ยท SEC filer

ONEOK, INC.

Also filed as ONEOK INC /NEW/; WAI INC

100 WEST 5TH, TULSA, OK 741034240

EIN

73-1520922

SEC CIK

0001039684

SEC · 2026-08-31

Industry (SIC)

Natural Gas Transmisison & Distribution (4923)

SEC · 2026-08-31

State of incorporation

OK

SEC · 2026-08-31

Ticker

OKE

SEC · 2026-08-31

Latest SEC filing

8-K 2026-08-31

SEC · 2026-08-31

Benefit plan 516, 2024 filing

ONEOK, INC. HEALTH PLAN FOR FORMER EMPLOYEES

DOL · 2025-10-15

Participants (start of year)

2,267

DOL · 2025-10-15

Plan features

Health (other than dental or vision)

DOL · 2025-10-15

Plan type

Single-employer plan

DOL · 2025-10-15

Business code (NAICS)

486000

DOL · 2025-10-15

Benefit plan 525, 2024 filing

ONEOK, INC. RETIREE REIMBURSEMENT ACCOUNT PLAN FOR FORMER EMPLOYEES

DOL · 2025-10-15

Participants (start of year)

445

DOL · 2025-10-15

Plan features

Health (other than dental or vision)

DOL · 2025-10-15

Plan type

Single-employer plan

DOL · 2025-10-15

From DOL Form 5500 filings (EFAST2) · SEC EDGAR company filings. Latest record 2026-08-31.

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