Detroit Thermal Systems 401(k) match, vesting and fees
What Detroit Thermal Systems' 401(k) plan says about matching contributions
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.
| Recordkeeper | Fidelity Investments Institutional | Schedule C ↗ |
| Independent auditor | Baker Tilly US, LLP (unmodified opinion, limited scope) | Schedule H ↗ |
| Plan type and status | 401(k) · Active | Form 5500 ↗ |
How the plan compares
Plan year 2025 medians for 3,042 defined-contribution plans in manufacturing with 100 to 499 participants.
| Detroit Thermal Systems: employer contribution per participant | $651 | |
| Peer median | $1,962 |
| Detroit Thermal Systems: average balance | $15,481 | |
| Peer median | $75,225 |
| Detroit Thermal Systems: admin expenses ÷ assets | 0.34% | |
| Peer median | 0.32% |
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 $5.4M at the end of plan year 2021 to $6.7M at the end of plan year 2025.
| Plan year | Participants | Assets | Employer contributions | Per participant | Admin expense ratio | Match formula | Filing |
|---|---|---|---|---|---|---|---|
| 2025 | 603 | $6.7M | $281K | $651 | 0.34% | Not published | Form 5500 ↗ |
| 2024 | 600 | $6M | $272K | $629 | 0.41% | Not published | Form 5500 ↗ |
| 2023 | 421 | $5.3M | $251K | $650 | 0.50% | Not published | Form 5500 ↗ |
| 2022 | 460 | $4.3M | $216K | $541 | 0.55% | Not published | Form 5500 ↗ |
| 2021 | 476 | $5.4M | $288K | $680 | 0.51% | Not published | Form 5500 ↗ |
Other Detroit Thermal Systems plans (1)
Each plan files its own Form 5500. Figures are from each plan's latest filing.
Detroit Thermal Systems, LLC Salaried 401(k) Plan
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.
| Plan type and status | 401(k) · Active | Form 5500 ↗ |
Common questions
Does Detroit Thermal Systems match 401(k) contributions?
The match terms for the Detroit Thermal Systems, LLC Hourly 401(k) Plan have not been published from its filing yet. The plan year 2025 filing reports $281K in employer contributions, about $651 per participant. That total includes any match and profit-sharing; it is not a match formula.
When is the Detroit Thermal Systems 401(k) match vested?
The vesting schedule for the Detroit Thermal Systems, LLC Hourly 401(k) Plan is not in the data published so far. Your Summary Plan Description states it.
Who manages the Detroit Thermal Systems 401(k)?
The recordkeeper listed on Schedule C of the plan year 2025 filing is Fidelity Investments Institutional. The plan administrator is Detroit Thermal Systems, LLC.
I left Detroit Thermal Systems. How do I find my old 401(k)?
Your account stays in the plan until you move it. Contact the plan administrator (Detroit Thermal Systems, LLC, (734) 403-6503) or the recordkeeper, Fidelity Investments Institutional. The Detroit Thermal Systems old 401(k) page lists the contacts from every plan filing. Find an old Detroit Thermal Systems 401(k)
Data from the public Form 5500 annual reports Detroit Thermal Systems 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 Detroit Thermal Systems. Not financial advice. Report a correction · Methodology