401(k) · DOL Form 5500 · 2023

Detroit Thermal Systems, LLC 401(k) Plan

Data updated 2026-08-25

$5M
Total assets Small plan by assets
387
Participants Below avg headcount
45th
Percentile by assets National rank
$13,650
Avg per participant Low balance/head
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Official DOL plan name: Detroit Thermal Systems, LLC Hourly 401(k) Plan · Sponsored by Detroit Thermal Systems, LLC · Michigan · Manufacturing

$5M in assets, 387 participants

Detroit Thermal Systems, LLC's Detroit Thermal Systems, LLC Hourly 401(k) Plan reported $5M in total assets and 387 participants in its 2023 DOL Form 5500 filing, ranking in the 45th 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.

  • #5,366 in Manufacturing (18,722 peers)

Detroit Thermal Systems, LLC multi-year trail

Detroit Thermal Systems, LLC's plans moved +43.2% in assets from 2022 to 2024; this filing shows Detroit Thermal Systems, LLC Hourly 401(k) Plan at $5M / 387 participants.

#5,366
in Manufacturing (18,722 peers)
+21.9%
assets growth YoY

Detroit Thermal Systems, LLC Hourly 401(k) Plan's mid-pack asset rank among Manufacturing and all filers

Detroit Thermal Systems, LLC Hourly 401(k) Plan vs every filed plan by assets

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

$5,282,461 45th percentile higher than 45% 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

Detroit Thermal Systems, LLC Hourly 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. Detroit Thermal Systems, LLC Hourly 401(k) Plan sits mid-pack in the medium band (387 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Detroit Thermal Systems, LLC Hourly 401(k) Plan reported net income rose from -$1M in the plan year 2022 filing to $952K in the plan year 2023 filing.
  • Detroit Thermal Systems, LLC Hourly 401(k) Plan end-of-year assets rose from $4M in the plan year 2022 filing to $5M in the plan year 2023 filing.
  • Detroit Thermal Systems, LLC Hourly 401(k) Plan reported participants fell from 422 in the plan year 2022 filing to 387 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Plan-year Form 5500 strip

Filing strip 455629784 · Detroit Thermal Systems, LLC PY 2023 · 401(k)

Detroit Thermal Systems, LLC Hourly 401(k) Plan · $5M · 387 · 45th

  • BOY $5M
  • BOY 387
  • BOY 45th
  • BOY 401(k)
  • BOY near Rcs Corporation 401(k) Retirement Plan
  • BOY ind #5366

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 →

Detroit Thermal Systems, LLC Hourly 401(k) Plan in the asset neighbourhood

Detroit Thermal Systems, LLC Hourly 401(k) PlanDetroit Thermal Systems, LLC…$5MRcs Corporation 401(k) Retirement PlanRcs Corporation 401(k) Retir…$5MM2 Strategy, Inc. 401(k) Plan$5MWeldfit 401(k) Plan$5MDayton Toyota 401(k) Plan$5M
End-of-year total assets ($M) among Detroit Thermal Systems, LLC Hourly 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Detroit Thermal Systems, LLC multi-year asset trail

Sponsor-wide plan assets over time

All Detroit Thermal Systems, LLC plans reported in each filing year

Latest sponsor-wide plan assets
$12M 43.16127531104252% vs 2022
2024 filing year
$6M$8M$10M$12M$14M 202220232024 $8.31M $11.9M ▲ +43.2%
Year Plans Participants Total Assets
2022 2 500 $8M
2023 2 466 $10M
2024 2 430 $12M

Detroit Thermal Systems, LLC filing trail (2023)

Total Assets (Beginning of Year)$4M
Net Assets (End of Year)$5M
Net Income$952K
Employer EIN455629784
Plan Effective Date2013-01-01
Filing StatusFILING RECEIVED

Nearby 401(k) Plans in Michigan

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

Detroit Thermal Systems, LLC Hourly 401(k) Plan vs. nearby 401(k) plans in Michigan, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -50510152025 Total assets ($B) Participants Detroit Thermal Systems, LLC Hourly 401(k) Plan, Total assets ($B): 0.005282461 · Participants: 387Detroit Thermal Systems, LLC Hourly 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
Detroit Thermal Systems, LLC Hourly 401(k) Plan vs. nearby 401(k) plans in Michigan, assets vs. participants
Compare Detroit Thermal Systems, LLC Hourly 401(k) Plan side-by-side with 3 peers →

Detroit Thermal Systems, LLC Hourly 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Michigan, the nearest 401(k) by assets is Rcs Corporation 401(k) Retirement Plan in NC ($5M); by covered participants it is Lb&b Associates Inc. 401(k) Plan in MD (387 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($5M here).

Similar participant headcount

Nearest other-state filings by covered participants (387 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 Detroit Thermal Systems, LLC Hourly 401(k) Plan assets move in 2023? ▼
Detroit Thermal Systems, LLC Hourly 401(k) Plan grew sharply - up 21.9% during 2023, from $4M to $5M. Reported net income was $952K.
How have Detroit Thermal Systems, LLC plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Detroit Thermal Systems, LLC's sponsor-wide assets grew 43.2%, from $8M to $12M.
Which 401(k) plans are similar in size to Detroit Thermal Systems, LLC Hourly 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Rcs Corporation 401(k) Retirement Plan in NC ($5M, 134 participants).
Which 401(k) plans cover a similar participant headcount to Detroit Thermal Systems, LLC Hourly 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Lb&b Associates Inc. 401(k) Plan in MD (387 participants, $22M 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 455629784.

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.