Oneok, Inc.

Tulsa, OK Transportation & logisticsNAICS 486000

Self-funded health planPlan year 2025Renews January
6,303Participants+26% vs. prior year
$14.9MEst. pharmacy spend / yrParticipants × national avg.
Jan 2027Next renewalPlan year begins January 1
#1 of 6Transportation & logistics in OKBy participants

Overview

Oneok, Inc. sponsors a self-funded health plan that covered 6,303 participants in plan year 2025, up 26% from the prior year. The plan year starts in January. Alongside medical, its benefits filing reports life insurance, dental, vision, long-term disability, and more.

Plan type
ERISA welfare benefit plan, self-funded (benefits paid from employer assets or a trust)
Participants
6,303 · prior year 5,012
Plan year
Begins January 1 · next renewal January 2027
Health plans filed
Oneok, Inc. Cafeteria Plan, plan 508 (6,303 participants); Oneok, Inc. Health Plan, plan 501 (5,924 participants); Oneok, Inc. Health Plan for Former Employees, plan 516 (2,447 participants); Oneok, Inc. Retiree Reimbursement Account Plan for Former Employees, plan 525 (432 participants)
Broker compensation
$159K across insured contracts
MedicalLife insuranceDentalVisionLong-term disabilityDeath benefitsOther welfare benefits

Insurance carriers

Insured coverage reported on Schedule A. Self-funded medical claims aren't reported there.

CarrierCoverageCoveredPremiumBroker comp
Unum Life Insurance Company of AmericaLong-term disability, Life6,317$6.2M$133K
Metropolitan Life Insurance CompanyVision12,033$1.4M$25K
Hartford Life and AccidentAccidental Death and Dismemberment210$60K$1K
Hartford Fire Insurance CompanyBusiness Travel Accident6,303$11K$287

Pharmacy benefit estimate

StreamRX estimate for a plan this size. Not based on this plan's claims.

$14.9M/ year

Estimated prescription spend: 6,303 participants × $2,371 national average per member. Usually higher once dependents are counted.

$389K–$958K/ year

Typical savings opportunity found in independent reviews of plans this size.

Brands with a generic available$114K–$284K
Lower-cost therapeutic alternatives$166K–$347K
Generic pricing vs. actual cost$72K–$215K
PBM contract terms$37K–$112K
The DOL's PBM fee disclosure rule first applies to this plan for the plan year beginning January 2028: semiannual PBM compensation reports and an annual audit right.

Form 5500 filing details

Filing
Form 5500 with Schedule A, plan year 2025
Plan sponsor
Oneok, Inc.
Sponsor EIN
73-1520922
Plan numbers
508, 501, 516, 525
Filed with
U.S. Department of Labor (EBSA) via EFAST2

Verify this filing: search EIN 73-1520922 in the Department of Labor's EFAST2 Form 5500 search.

Retirement plan

Plan
Oneok, Inc. 401(k) Plan
Type
401(k) plan
Participants
7,120

About this data

Source: Oneok, Inc.'s Form 5500 filing for plan year 2025 and its Schedule A insurance reports, published by the U.S. Department of Labor. "Self-funded" means the filing reports benefits paid from employer assets or a trust, with no medical insurance contract or with a stop-loss contract. Pharmacy figures are StreamRX estimates based on national averages. StreamRX is not affiliated with Oneok, Inc..

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