Washington Corporations

Missoula, MT Holding companiesNAICS 551112

Self-funded health planPlan year 2025Renews January
953Participants-1% vs. prior year
$2.3MEst. pharmacy spend / yrParticipants × national avg.
Jan 2027Next renewalPlan year begins January 1
#2 of 2Holding companies in MTBy participants

Overview

Washington Corporations sponsors a self-funded health plan that covered 953 participants in plan year 2025, about the same as 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
953 · prior year 963
Plan year
Begins January 1 · next renewal January 2027
Health plans filed
Washington Companies Employee Benefit Plan, plan 504 (953 participants); Washington Companies Flexible Spending Plan, plan 510 (28 participants)
Broker compensation
$215K across insured contracts
MedicalLife insuranceDentalVisionShort-term disabilityLong-term disabilityOther welfare benefits

Insurance carriers

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

CarrierCoverageCoveredPremiumBroker comp
Lincoln National Life Insurance CompanyLife, Long-term disability1,007$905K$188K
Vision Service PlanVision532$160K$2K
The Lincoln Natioanl Life Insurance CompanyAccident, Critical Illness180$99K$25K

Pharmacy benefit estimate

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

$2.3M/ year

Estimated prescription spend: 953 participants × $2,371 national average per member. Usually higher once dependents are counted.

$59K–$145K/ year

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

Brands with a generic available$17K–$43K
Lower-cost therapeutic alternatives$25K–$52K
Generic pricing vs. actual cost$11K–$33K
PBM contract terms$6K–$17K
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
Washington Corporations
Sponsor EIN
81-0485406
Plan numbers
504, 510
Filed with
U.S. Department of Labor (EBSA) via EFAST2

Verify this filing: search EIN 81-0485406 in the Department of Labor's EFAST2 Form 5500 search.

Retirement plan

Plan
Washington Companies 401(k) Retirement Savings Plan
Type
401(k) plan
Participants
2,078

About this data

Source: Washington Corporations'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 Washington Corporations.

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