401(k) · DOL Form 5500 · 2023

Ilmor Engineering, Inc 401(k) Plan

Data updated 2026-08-25

$19M
Total assets Small plan by assets
144
Participants Small participant base
72nd
Percentile by assets National rank
$130,763
Avg per participant Near avg balance/head
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Official DOL plan name: Ilmor Engineering, Inc. 401(k) Plan · Sponsored by Ilmor Engineering, Inc · Michigan · Manufacturing

$19M in assets, 144 participants

Ilmor Engineering, Inc's Ilmor Engineering, Inc. 401(k) Plan reported $19M in total assets and 144 participants in its 2023 DOL Form 5500 filing, ranking in the 72nd percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • #11,428 in Manufacturing (18,722 peers)

Coverage in Michigan

Ilmor Engineering, Inc. 401(k) Plan covers 144 participants in Michigan, about 23% of the average Michigan filer (state average ~638 per filing). Assets: $19M.

#11,428
in Manufacturing (18,722 peers)
+21.8%
assets growth YoY

Ilmor Engineering, Inc. 401(k) Plan's outsized position by total assets

Ilmor Engineering, Inc. 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$18,829,855 Top 28% higher than 72% of 127,068 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2023

Ilmor Engineering, Inc. 401(k) Plan among mid-size filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Ilmor Engineering, Inc. 401(k) Plan sits mid-pack in the medium band (144 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Ilmor Engineering, Inc. 401(k) Plan reported net income rose from -$3M in the plan year 2022 filing to $3M in the plan year 2023 filing.
  • Ilmor Engineering, Inc. 401(k) Plan end-of-year assets rose from $15M in the plan year 2022 filing to $19M in the plan year 2023 filing.
  • Ilmor Engineering, Inc. 401(k) Plan reported participants fell from 148 in the plan year 2022 filing to 144 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Plan-year Form 5500 strip

Filing strip 382958776 · Ilmor Engineering, Inc PY 2023 · 401(k)

Ilmor Engineering, Inc. 401(k) Plan · $19M · 144 · 72nd

  • EBSA $19M
  • EBSA 144
  • EBSA 72nd
  • EBSA 401(k)
  • EBSA near Rydell 401(k) Plan
  • EBSA ind #11428

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Manufacturing retirement plans → · Plans in Michigan →

Ilmor Engineering, Inc. 401(k) Plan in the asset neighbourhood

Ilmor Engineering, Inc. 401(k) PlanIlmor Engineering, Inc. 401(…$19MRydell 401(k) Plan$19MFarah and Farah, P.a. 401(k) Savings PlanFarah and Farah, P.a. 401(k)…$19MAegis Senior Communities, LLC 401(k) PlanAegis Senior Communities, LL…$19MOne Technologies 401(k) Plan$19M
End-of-year total assets ($M) among Ilmor Engineering, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Michigan filing particulars

Total Assets (Beginning of Year)$15M
Net Assets (End of Year)$19M
Net Income$3M
Employer EIN382958776
Plan Effective Date1998-07-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Ilmor Engineering, Inc)

Sponsor-wide plan assets over time

All Ilmor Engineering, Inc plans reported in each filing year

Latest sponsor-wide plan assets
$21M 34.02465656347303% vs 2022
2024 filing year
$14M$16M$18M$20M$22M 202220232024 $15.5M $20.7M ▲ +34.0%
Year Plans Participants Total Assets
2022 1 148 $15M
2023 1 144 $19M
2024 1 141 $21M

Nearby 401(k) Plans in Michigan

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Ilmor Engineering, Inc. 401(k) Plan vs. nearby 401(k) plans in Michigan, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -50510152025 Total assets ($B) Participants Ilmor Engineering, Inc. 401(k) Plan, Total assets ($B): 0.018829855 · Participants: 144Ilmor Engineering, Inc. 401(k) PlanGeneral Motors Retirement Savings Plan for Salaried Employees in the United States, Total assets ($B): 20.378449285 · Participants: 47299General Motors Retirement Savings Plan for Salaried Employees in the United StatesFord Motor Co. Savings and Stock Investment Plan for Salaried Employees, Total assets ($B): 15.588575271 · Participants: 30516Ford Motor Co. Savings and Stock Investment Plan for Salaried EmployeesThe Dow Chemical Company Employees' Savings Plan, Total assets ($B): 10.084842211 · Participants: 18088The Dow Chemical Company Employees' Savings PlanThe General Motors Personal Savings Plan for Hourly-Rate Employees in the United States, Total assets ($B): 8.580684909 · Participants: 40393The General Motors Personal Savings Plan for Hourly-Rate Employees in the United StatesFord Motor Co. Tax-Efficient Savings Plan for Hourly Employees, Total assets ($B): 7.617084451 · Participants: 59195Ford Motor Co. Tax-Efficient Savings Plan for Hourly Employees
Ilmor Engineering, Inc. 401(k) Plan vs. nearby 401(k) plans in Michigan, assets vs. participants
Compare Ilmor Engineering, Inc. 401(k) Plan side-by-side with 3 peers →

Ilmor Engineering, Inc. 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Michigan, the nearest 401(k) by assets is Rydell 401(k) Plan in ND ($19M); by covered participants it is Eagle Granite 401(k) Plan in GA (144 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($19M here).

Similar participant headcount

Nearest other-state filings by covered participants (144 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Ilmor Engineering, Inc. 401(k) Plan assets move in 2023? ▼
Ilmor Engineering, Inc. 401(k) Plan grew sharply - up 21.8% during 2023, from $15M to $19M. Reported net income was $3M.
How have Ilmor Engineering, Inc plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Ilmor Engineering, Inc's sponsor-wide assets grew 34.0%, from $15M to $21M.
Which 401(k) plans are similar in size to Ilmor Engineering, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Rydell 401(k) Plan in ND ($19M, 276 participants).
Which 401(k) plans cover a similar participant headcount to Ilmor Engineering, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Eagle Granite 401(k) Plan in GA (144 participants, N/A in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 382958776.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.