Williams International

Pontiac, MI ManufacturingNAICS 333610

Self-funded health planPlan year 2025Renews January
2,394Participants+10% vs. prior year
$5.7MEst. pharmacy spend / yrParticipants × national avg.
Jan 2027Next renewalPlan year begins January 1
#32 of 138Manufacturing in MIBy participants

Overview

Williams International sponsors a self-funded health plan that covered 2,394 participants in plan year 2025, up 10% from the prior year. The plan year starts in January. Alongside medical, its benefits filing reports life insurance, dental, vision, short-term disability, and more.

Plan type
ERISA welfare benefit plan, self-funded (benefits paid from employer assets or a trust)
Participants
2,394 · prior year 2,183
Plan year
Begins January 1 · next renewal January 2027
Health plans filed
Williams International Co., LLC Welfare Benefit Plan, plan 501 (2,394 participants)
Broker compensation
$187K across insured contracts
MedicalLife insuranceDentalVisionShort-term disabilityLong-term disabilitySeveranceDeath benefitsOther welfare benefits

Insurance carriers

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

CarrierCoverageCoveredPremiumBroker comp
Delta Dental of MichiganDental4,484$1.6M$47K
Unum Life Insurance Company of AmericaAccidental Death & Dismemberment, Life, Long-term disability2,378$1.1M$21K
Willis Towers WatsonMedical356$774K—
Unum Insurance CompanyAccident Insurance, Attained Age Critical Illness, Hospital EE Paid1,200$619K$114K
National Vision Administrators, LLCVision3,805$175K$5K
Ulliance, Inc.Life Advisor Employee Assistance Program1,440$69K—
Blomquist Hale ConsultingEmployee Assistance Program966$38K—
Life Insurance Company of North AmericaTravel Accident2,394$3K$568

Pharmacy benefit estimate

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

$5.7M/ year

Estimated prescription spend: 2,394 participants × $2,371 national average per member. Usually higher once dependents are counted.

$148K–$364K/ year

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

Brands with a generic available$43K–$108K
Lower-cost therapeutic alternatives$63K–$132K
Generic pricing vs. actual cost$27K–$82K
PBM contract terms$14K–$43K
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
Williams International
Sponsor EIN
38-3232737
Plan number
501
Filed with
U.S. Department of Labor (EBSA) via EFAST2

Verify this filing: search EIN 38-3232737 in the Department of Labor's EFAST2 Form 5500 search.

Retirement plan

Plan
Williams International Employees Savings Plan
Type
401(k) plan
Participants
2,904

About this data

Source: Williams International'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 Williams International.

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