Engineering Systems Inc.

Aurora, IL Professional servicesNAICS 541330

Self-funded health planPlan year 2025Renews January
805Participants+96% vs. prior year
$1.9MEst. pharmacy spend / yrParticipants × national avg.
Jan 2027Next renewalPlan year begins January 1
#32 of 44Professional services in ILBy participants

Overview

Engineering Systems Inc. sponsors a self-funded health plan that covered 805 participants in plan year 2025, up 96% 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
805 · prior year 411
Plan year
Begins January 1 · next renewal January 2027
Health plans filed
Engineering Systems Inc. Welfare Benefit Plan, plan 501 (805 participants)
Broker compensation
$88K 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
Life Insurance Company of North AmericaAccidental Death and Dismemberment, Life, Long-term disability805$302K$63K
UnitedHealthcare Insurance CompanyAccident, Critical Illness, Hospital Ind325$78K$16K
Eyemed Vision CareVision838$46K$6K

Pharmacy benefit estimate

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

$1.9M/ year

Estimated prescription spend: 805 participants × $2,371 national average per member. Usually higher once dependents are counted.

$50K–$122K/ year

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

Brands with a generic available$15K–$36K
Lower-cost therapeutic alternatives$21K–$44K
Generic pricing vs. actual cost$9K–$27K
PBM contract terms$5K–$14K
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
Engineering Systems Inc.
Sponsor EIN
36-3541589
Plan number
501
Filed with
U.S. Department of Labor (EBSA) via EFAST2

Verify this filing: search EIN 36-3541589 in the Department of Labor's EFAST2 Form 5500 search.

Retirement plan

Plan
Engineering Systems Inc. Profit Sharing and Savings Plan
Type
401(k) plan
Participants
528

About this data

Source: Engineering Systems 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 Engineering Systems Inc..

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