EntityWire/Oklahoma business entity search →/ONEOK, INC.
Employer with a benefit plan
ONEOK, INC.
The Employer Identification Number (EIN) for ONEOK, INC. is 73-1520922.
At a glance
- EIN
- 73-1520922 · 731520922
- Legal name
- ONEOK, INC.
- Also filed as
- ONEOK INC /NEW/; WAI INC
- Address on file
- 100 WEST 5TH, TULSA, OK 741034240
- Records show
- SEC filer; employer with a benefit plan; state registration
- Latest record
- 2026-09-05
State registration
Texas Comptroller active franchise taxpayers file · records as of 2026-09-05
- Texas registration
- Active · Foreign profit corporation
- Source: Texas Comptroller · as of 2026-09-05
- Texas document number
- 0800141280
- Source: Texas Comptroller · as of 2026-09-05
SEC records
SEC EDGAR company filings · records as of 2026-08-31
- SEC CIK
- 0001039684
- Source: SEC · as of 2026-08-31
- Industry (SIC)
- Natural Gas Transmisison & Distribution (4923)
- Source: SEC · as of 2026-08-31
- State of incorporation
- OK
- Source: SEC · as of 2026-08-31
- Ticker
- OKE
- Source: SEC · as of 2026-08-31
- Latest SEC filing
- 8-K 2026-08-31
- Source: SEC · as of 2026-08-31
Benefit plans
DOL Form 5500 filings (EFAST2) · records as of 2025-10-15
- Benefit plan 516, 2024 filing
- ONEOK, INC. HEALTH PLAN FOR FORMER EMPLOYEES
- Source: DOL 5500 · as of 2025-10-15
- Participants (start of year)
- 2,267
- Source: DOL 5500 · as of 2025-10-15
- Plan features
- Health (other than dental or vision)
- Source: DOL 5500 · as of 2025-10-15
- Plan type
- Single-employer plan
- Source: DOL 5500 · as of 2025-10-15
- Business code (NAICS)
- 486000
- Source: DOL 5500 · as of 2025-10-15
- Benefit plan 525, 2024 filing
- ONEOK, INC. RETIREE REIMBURSEMENT ACCOUNT PLAN FOR FORMER EMPLOYEES
- Source: DOL 5500 · as of 2025-10-15
- Participants (start of year)
- 445
- Source: DOL 5500 · as of 2025-10-15
What this record is
Public filings that carry this EIN (DOL Form 5500 filings (EFAST2), SEC EDGAR company filings and Texas Comptroller active franchise taxpayers file), shown as filed. Nothing is scraped from the IRS, and a public-record match is not IRS TIN validation.
What it is not
Registry status, formation date, and registered agent come from the Oklahoma Secretary of State, Business Filing Department; see the Oklahoma business entity search.
If something is wrong
A name, address, or classification here is what the source published. To correct the source, file with it; to have this page removed, see corrections and removal.
Other Oklahoma businesses on file
- EDUCATIONAL DEVELOPMENT CORPORATIONEIN 73-0750007
- OKLAHOMA BLOOD INSTITUTEEIN 73-1008735
- THE WILLIAMS COMPANIES, INC.EIN 73-0569878
- DEVON ENERGY CORPORATIONEIN 73-1567067
- CHESAPEAKE ENERGY CORPORATIONEIN 73-1395733
- CONTINENTAL RESOURCES, INC.EIN 73-0767549
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