Ilmor Engineering 401(k) match, vesting and fees

Plan year 2025 filingIlmor Engineering, Inc. 401(k) Plan · Plan 002 · EIN 38-2958776Updated Oct 2026

What Ilmor Engineering's 401(k) plan says about matching contributions

The match terms have not been published from this plan's filing yet.
The plan year 2025 filing reports $557K in employer contributions, about $2,616 per participant. That total includes any match and profit-sharing; it is not a match formula. Plan year 2025 Form 5500 ↗
$115,229
Average account balance
240
Participants (end of year)
$24.5M
Plan assets (end of year)
<0.01%
Admin expenses ÷ assets

Plan features

Match, vesting and enrollment details have not been published from this plan's audit report yet. The figures below come from the structured filing.

RecordkeeperEmpower Annuity Insurance Company OSchedule C ↗
Independent auditorPlante Moran PLLC (unmodified opinion, limited scope)Schedule H ↗
Plan type and status401(k) · ActiveForm 5500 ↗

How the plan compares

Plan year 2025 medians for 3,042 defined-contribution plans in manufacturing with 100 to 499 participants.

Ilmor Engineering: employer contribution per participant$2,616
Peer median$1,962
Ilmor Engineering: average balance$115,229
Peer median$75,225
Ilmor Engineering: admin expenses ÷ assets<0.01%
Peer median0.32%

Admin expenses are the plan's reported administrative expenses divided by its assets; they do not include fund expense ratios.

Plan history

Plan assets went from $19M at the end of plan year 2021 to $24.5M at the end of plan year 2025.

$19M2021$15.5M2022$18.8M2023$20.7M2024$24.5M2025
End-of-year figures from each plan year's Form 5500 filing for the Ilmor Engineering plan.
Plan yearParticipantsAssetsEmployer contributionsPer participantAdmin expense ratioMatch formulaFiling
2025240$24.5M$557K$2,616<0.01%Not publishedForm 5500 ↗
2024206$20.7M$528K$2,5650.22%Not publishedForm 5500 ↗
2023224$18.8M$503K$2,2540.37%Not publishedForm 5500 ↗
2022226$15.5M$488K$2,1690.35%Not publishedForm 5500 ↗
2021219$19M$415K$1,9130.30%Not publishedForm 5500 ↗

Common questions

Does Ilmor Engineering match 401(k) contributions?

The match terms for the Ilmor Engineering, Inc. 401(k) Plan have not been published from its filing yet. The plan year 2025 filing reports $557K in employer contributions, about $2,616 per participant. That total includes any match and profit-sharing; it is not a match formula.

When is the Ilmor Engineering 401(k) match vested?

The vesting schedule for the Ilmor Engineering, Inc. 401(k) Plan is not in the data published so far. Your Summary Plan Description states it.

Who manages the Ilmor Engineering 401(k)?

The recordkeeper listed on Schedule C of the plan year 2025 filing is Empower Annuity Insurance Company O. The plan administrator is Ilmor Engineering, Inc.

I left Ilmor Engineering. How do I find my old 401(k)?

Your account stays in the plan until you move it. Contact the plan administrator (Ilmor Engineering, Inc, (734) 456-3600) or the recordkeeper, Empower Annuity Insurance Company O. The Ilmor Engineering old 401(k) page lists the contacts from every plan filing. Find an old Ilmor Engineering 401(k)

Data from the public Form 5500 annual reports Ilmor Engineering filed with the U.S. Department of Labor (plan years 2021 and 2022 and 2023 and 2024 and 2025) and, where noted, the attached independent auditor's report. Plan terms may have changed since the filing; check your current Summary Plan Description. PlanFacts is not affiliated with Ilmor Engineering. Not financial advice. Report a correction · Methodology