401(k) · DOL Form 5500 · 2023

Thermostat Intermediate Holdings, LLC 401(k) Plan

Data updated 2026-08-25

$46M
Total assets Below avg plan size
1,453
Participants Near avg headcount
85th
Percentile by assets National rank
$31,387
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

$46M in assets, 1,453 participants

Thermostat Intermediate Holdings, LLC's Premistar 401(k) Plan reported $46M in total assets and 1,453 participants in its 2023 DOL Form 5500 filing, ranking in the 85th 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.

  • #7,444 in Construction (9,030 peers)

Where Premistar 401(k) Plan sits by assets

Premistar 401(k) Plan sits in the top quartile of all filed plans by assets, $46M for 1,453 participants (~$31,387/participant), up 36.1% in 2023.

#7,444
in Construction (9,030 peers)
+36.1%
assets growth YoY
0.5×
vs typical plan assets (national mean)

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 2023 · DOL Form 5500

$45,605,258 Top 15% higher than 85% 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

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

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Premistar 401(k) Plan lands in the large band (1,453 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Premistar 401(k) Plan reported net income rose from -$5M in the plan year 2022 filing to $9M in the plan year 2023 filing.
  • Premistar 401(k) Plan end-of-year assets rose from $33M in the plan year 2022 filing to $46M in the plan year 2023 filing.
  • Premistar 401(k) Plan reported participants rose from 1,389 in the plan year 2022 filing to 1,453 in the plan year 2023 filing.

See the national 2022→2023 release diff →

EBSA filing schedule strip

Filing strip 352655283 · Thermostat Intermediate Holdings, LLC PY 2023 · 401(k)

Premistar 401(k) Plan · $46M · 1,453 · 85th

  • PART $46M
  • PART 1,453
  • PART 85th
  • PART 401(k)
  • PART near Netcracker Technology Corporation 401(k) Profit Sharing
  • PART ind #7444

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

United Stars, Inc. 401(k) PlanUnited Stars, Inc. 401(k) Pl…$46MPremistar 401(k) Plan$46MNetcracker Technology Corporation 401(k) Profit SharingNetcracker Technology Corpor…$46MSkyward Speciality Insurance Group 401(k) PlanSkyward Speciality Insurance…$46MBank Iowa Retirement Savings PlanBank Iowa Retirement Savings…$46M
End-of-year total assets ($M) among Premistar 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$33M
Net Assets (End of Year)$46M
Net Income$9M
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): 0.045605258 · Participants: 1453Premistar 401(k) PlanAccenture United States 401(k) Match Savings Plan, Total assets ($B): 17.594548115 · Participants: 69974Accenture United States 401(k) Match Savings PlanState Farm 401(k) Savings Plan, Total assets ($B): 16.935002041 · Participants: 60246State Farm 401(k) Savings PlanAbbott Laboratories Stock Retirement Plan, Total assets ($B): 14.496191 · Participants: 38012Abbott Laboratories Stock Retirement PlanUnited Airlines Pilot Retirement Account Plan, Total assets ($B): 14.367975914 · Participants: 14959United Airlines Pilot Retirement Account PlanWalgreens Retirement Savings Plan, Total assets ($B): 13.444551767 · Participants: 235331Walgreens 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 Netcracker Technology Corporation 401(k) Profit Sharing in MA ($46M); by covered participants it is Cha Consulting, Inc. Retirement Investment Plan in NY (1,453 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (1,453 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 Premistar 401(k) Plan assets move in 2023? ▼
Premistar 401(k) Plan surged - up 36.1% during 2023, from $33M to $46M. Reported net income was $9M.
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 85th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (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 Netcracker Technology Corporation 401(k) Profit Sharing in MA ($46M, 417 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 Cha Consulting, Inc. Retirement Investment Plan in NY (1,453 participants, $230M 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 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.