The Williams Companies, Inc.

Tulsa, OK Holding companiesNAICS 551112

Self-funded health planPlan year 2025Renews January
6,020Participants+3% vs. prior year
$14.3MEst. pharmacy spend / yrParticipants × national avg.
Jan 2027Next renewalPlan year begins January 1
#1 of 4Holding companies in OKBy participants

Overview

The Williams Companies, Inc. sponsors a self-funded health plan that covered 6,020 participants in plan year 2025, up 3% 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
6,020 · prior year 5,859
Plan year
Begins January 1 · next renewal January 2027
Health plans filed
The Williams Companies, Inc. Group Medical-Health Plus Plan for Full-Time Employees, plan 503 (6,020 participants); The Williams Companies, Inc. Retiree Medical Plan, plan 539 (4,359 participants); Williams Flexible Benefits Plan, plan 506 (478 participants)
Broker compensation
$206K across insured contracts
MedicalLife insuranceDentalVisionLong-term disabilitySeveranceDeath benefits

Insurance carriers

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

CarrierCoverageCoveredPremiumBroker comp
Minnesota Life Insurance Company- SupplementalLife7,327$2.6M$59K
Minnesota Life Insurance Company-BasicLife6,042$2.0M$44K
Continental American Insurance CompanyLong-term disability6,068$1.9M$39K
Minnesota Life Insurance CompanyLife3,840$1.5M$34K
EyemedVision5,012$1.0M—
Zurich American Insurance Group - SupplementalAccidental Death & Dismemberment6,508$327K—
Zurich American Insurance Group - BasicAccidental Death & Dismemberment6,050$203K—
Arag Insurance CompanyLegal2,068$193K$19K
Zurich American Insurance GroupBusiness Travel Accident5,680$6K—

Pharmacy benefit estimate

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

$14.3M/ year

Estimated prescription spend: 6,020 participants × $2,371 national average per member. Usually higher once dependents are counted.

$371K–$915K/ year

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

Brands with a generic available$108K–$271K
Lower-cost therapeutic alternatives$158K–$331K
Generic pricing vs. actual cost$69K–$206K
PBM contract terms$36K–$107K
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
The Williams Companies, Inc.
Sponsor EIN
73-0569878
Plan numbers
503, 539, 506
Filed with
U.S. Department of Labor (EBSA) via EFAST2

Verify this filing: search EIN 73-0569878 in the Department of Labor's EFAST2 Form 5500 search.

Retirement plan

Plan
Williams Pension Plan
Type
Pension plan
Participants
10,822

About this data

Source: The Williams Companies, 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 The Williams Companies, Inc..

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