401(k) · DOL Form 5500 · 2022

Thermostat Intermediate Holdings, LLC 401(k) Plan

Data updated 2026-08-25

$33M
Total assets Below avg plan size
1,389
Participants Near avg headcount
84th
Percentile by assets National rank
$24,116
Avg per participant Low balance/head
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Official DOL plan name: Premistar 401(k) Plan · Sponsored by Thermostat Intermediate Holdings, LLC · Illinois · Construction

$33M in assets, 1,389 participants

Thermostat Intermediate Holdings, LLC's Premistar 401(k) Plan reported $33M in total assets and 1,389 participants in its 2022 DOL Form 5500 filing, ranking in the 84th 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.

  • #8,237 in Construction (9,927 peers)

Where Premistar 401(k) Plan sits by assets

Premistar 401(k) Plan sits in the top quartile of all filed plans by assets, $33M for 1,389 participants (~$24,116/participant), down 13.6% in 2022.

#8,237
in Construction (9,927 peers)
-13.6%
assets change YoY
0.3×
vs typical plan assets (national mean)

The plan reported a net loss of $5M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Premistar 401(k) Plan's outsized position by total assets

Premistar 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$33,496,813 Top 16% higher than 84% of 139,123 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 2022

Premistar 401(k) Plan's large-plan peer group by participant headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Premistar 401(k) Plan lands in the large band (1,389 participants).

DOL schedule card

Filing strip 352655283 · Thermostat Intermediate Holdings, LLC PY 2022 · 401(k)

Premistar 401(k) Plan · $33M · 1,389 · 84th

  • BOOK $33M
  • VS-ST 1,389
  • BOY 84th
  • SCH 401(k)
  • EBSA near American College of Physicians, Inc. Defined Contribution Retirement Plan a
  • PART ind #8237

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 Construction retirement plans → · Plans in Illinois →

Premistar 401(k) Plan in the asset neighbourhood

Premistar 401(k) Plan$33MAmerican College of Physicians, Inc. Defined Contribution Retirement Plan aAmerican College of Physicia…$33MThetford LLC 401(k) Profit Sharing PlanThetford LLC 401(k) Profit S…$33MChelsea Groton Bank Savings PlanChelsea Groton Bank Savings …$33MModern Group Ltd. Employee Savings PlanModern Group Ltd. Employee S…$34M
End-of-year total assets ($M) among Premistar 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Scale-class filing particulars (2022)

Total Assets (Beginning of Year)$39M
Net Assets (End of Year)$33M
Net Income-$5M
Employer EIN352655283
Plan Effective Date1980-11-30
Filing StatusFILING RECEIVED

Sponsor Plan History (Thermostat Intermediate Holdings, LLC)

Sponsor-wide plan assets over time

All Thermostat Intermediate Holdings, LLC plans reported in each filing year

Latest sponsor-wide plan assets
$53M 59.69706132938677% vs 2022
2024 filing year
$30M$40M$50M$60M 202220232024 $33.5M $53.5M ▲ +59.7%
Year Plans Participants Total Assets
2022 1 1,389 $33M
2023 1 1,453 $46M
2024 1 1,565 $53M

Nearby 401(k) Plans in Illinois

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

Premistar 401(k) Plan vs. nearby 401(k) plans in Illinois, assets vs. participants Scatter plot of 6 data points. -1000000100000200000300000 -505101520 Total assets ($B) Participants Premistar 401(k) Plan, Total assets ($B): 0.033496813 · Participants: 1389Premistar 401(k) PlanState Farm 401(k) Savings Plan, Total assets ($B): 14.651519685 · Participants: 53616State Farm 401(k) Savings PlanAccenture United States 401(k) Match and Savings Plan, Total assets ($B): 14.283954811 · Participants: 66653Accenture United States 401(k) Match and Savings PlanAbbott Laboratories Stock Retirement Plan, Total assets ($B): 13.333286 · Participants: 36136Abbott Laboratories Stock Retirement PlanUnited Airlines Pilot Retirement Account Plan, Total assets ($B): 11.816542826 · Participants: 13437United Airlines Pilot Retirement Account PlanWalgreens Retirement Savings Plan, Total assets ($B): 11.682551768 · Participants: 238072Walgreens Retirement Savings Plan
Premistar 401(k) Plan vs. nearby 401(k) plans in Illinois, assets vs. participants
Compare Premistar 401(k) Plan side-by-side with 3 peers →

Premistar 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Illinois, the nearest 401(k) by assets is American College of Physicians, Inc. Defined Contribution Retirement Plan a in PA ($33M); by covered participants it is Strategic Staffing Solutions, Inc. 401(k) Retirement Plan in MI (1,389 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (1,389 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Premistar 401(k) Plan assets move in 2022? ▼
Premistar 401(k) Plan pulled back noticeably - down 13.6% during 2022, from $39M to $33M. Reported net income was -$5M.
How have Thermostat Intermediate Holdings, LLC plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Thermostat Intermediate Holdings, LLC's sponsor-wide assets grew 59.7%, from $33M to $53M.
Where does Premistar 401(k) Plan rank by assets among Form 5500 filers? ▼
Premistar 401(k) Plan ranks in the 84th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Premistar 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is American College of Physicians, Inc. Defined Contribution Retirement Plan a in PA ($33M, 157 participants).
Which 401(k) plans cover a similar participant headcount to Premistar 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Strategic Staffing Solutions, Inc. 401(k) Retirement Plan in MI (1,389 participants, $27M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 352655283.

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.