Trustmark Services Company

Lake Forest, IL Finance & insuranceNAICS 524140

Self-funded health planPlan year 2025Renews January
954Participants+40% vs. prior year
$2.3MEst. pharmacy spend / yrParticipants × national avg.
Jan 2027Next renewalPlan year begins January 1
#20 of 29Finance & insurance in ILBy participants

Overview

Trustmark Services Company sponsors a self-funded health plan that covered 954 participants in plan year 2025, up 40% from the prior year. The plan year starts in January. Alongside medical, its benefits filing reports life insurance, dental, vision, long-term disability.

Plan type
ERISA welfare benefit plan, self-funded (benefits paid from employer assets or a trust)
Participants
954 · prior year 683
Plan year
Begins January 1 · next renewal January 2027
Health plans filed
Group Insurance Plan for Employees and Their Dependents, plan 503 (954 participants); Group Insurance Plan for Retirees and Their Dependents, plan 501 (159 participants)
MedicalLife insuranceDentalVisionLong-term disability

Insurance carriers

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

CarrierCoverageCoveredPremiumBroker comp
Standard Life Insurance CompanyLife954$414K—
Standard Insurance CompanyLong-term disability802$208K—
Vision Service PlanVision668$103K—

Pharmacy benefit estimate

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

$2.3M/ year

Estimated prescription spend: 954 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
Trustmark Services Company
Sponsor EIN
27-0056662
Plan numbers
503, 501
Filed with
U.S. Department of Labor (EBSA) via EFAST2

Verify this filing: search EIN 27-0056662 in the Department of Labor's EFAST2 Form 5500 search.

Retirement plan

Plan
Trustmark Services Company Investment and Savings Plan
Type
401(k) plan
Participants
1,258

About this data

Source: Trustmark Services Company'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 Trustmark Services Company.

Request a correction · Methodology