401(k) · DOL Form 5500 · 2024

Quantum Mechanical Services, Inc. 401(k) Plan

Data updated 2026-08-25

$6M
Total assets Small plan by assets
88
Participants Small participant base
47th
Percentile by assets National rank
$72,836
Avg per participant Below avg balance/head
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Official DOL plan name: Quantum 401(k) Plan · Sponsored by Quantum Mechanical Services, Inc. · Texas · Construction

$6M in assets, 88 participants

Quantum Mechanical Services, Inc.'s Quantum 401(k) Plan reported $6M in total assets and 88 participants in its 2024 DOL Form 5500 filing, ranking in the 47th 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.

  • #4,082 in Construction (9,039 peers)

Quantum Mechanical Services, Inc. multi-year trail

Quantum Mechanical Services, Inc.'s plans moved +46.0% in assets from 2022 to 2024; this filing shows Quantum 401(k) Plan at $6M / 88 participants.

#4,082
in Construction (9,039 peers)
+16.1%
assets growth YoY

Quantum 401(k) Plan's mid-pack asset rank among Construction and all filers

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

End-of-year total assets · plan year 2024 · DOL Form 5500

$6,409,527 47th percentile higher than 47% of 123,620 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 2024

Quantum 401(k) Plan among smaller filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Quantum 401(k) Plan is a small filing (88 participants) on this national headcount ladder.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Quantum 401(k) Plan reported net income fell from $1M in the plan year 2023 filing to $889K in the plan year 2024 filing.
  • Quantum 401(k) Plan end-of-year assets rose from $6M in the plan year 2023 filing to $6M in the plan year 2024 filing.
  • Quantum 401(k) Plan reported participants fell from 92 in the plan year 2023 filing to 88 in the plan year 2024 filing.

See the national 2023→2024 release diff →

DOL schedule card

Filing strip 260420561 · Quantum Mechanical Services, Inc. PY 2024 · 401(k)

Quantum 401(k) Plan · $6M · 88 · 47th

  • ASSETS $6M
  • ASSETS 88
  • ASSETS 47th
  • ASSETS 401(k)
  • ASSETS near Miller Mechanical Specialties Inc., Employees Profit Sharing Plan & Trust
  • ASSETS ind #4082

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 Texas →

Quantum 401(k) Plan in the asset neighbourhood

Quantum 401(k) Plan$6MMiller Mechanical Specialties Inc., Employees Profit Sharing Plan & TrustMiller Mechanical Specialtie…$6MS.L. Williamson Co., Inc 401(k) Retirement PlanS.L. Williamson Co., Inc 401…$6MLeaderstat LLC 401 K Profit Sharing Plan and TrustLeaderstat LLC 401 K Profit …$6MManor Motorcar Company 401(k) PlanManor Motorcar Company 401(k…$6M
End-of-year total assets ($M) among Quantum 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Quantum Mechanical Services, Inc. multi-year asset trail

Sponsor-wide plan assets over time

All Quantum Mechanical Services, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$6M 45.969675693390045% vs 2022
2024 filing year
$4M$5M$6M$7M 202220232024 $4.39M $6.41M ▲ +46.0%
Year Plans Participants Total Assets
2022 1 86 $4M
2023 1 92 $6M
2024 1 88 $6M

Quantum Mechanical Services, Inc. filing trail (2024)

Total Assets (Beginning of Year)$6M
Net Assets (End of Year)$6M
Net Income$889K
Employer EIN260420561
Plan Effective Date2008-01-01
Filing StatusFILING RECEIVED

Nearby 401(k) Plans in Texas

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

Quantum 401(k) Plan vs. nearby 401(k) plans in Texas, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -1001020304050 Total assets ($B) Participants Quantum 401(k) Plan, Total assets ($B): 0.006409527 · Participants: 88Quantum 401(k) PlanAT&T Retirement Savings Plan, Total assets ($B): 43.121795 · Participants: 109889AT&T Retirement Savings PlanExxonmobil Savings Plan, Total assets ($B): 23.711 · Participants: 21990Exxonmobil Savings PlanChevron Employee Savings Investment Plan, Total assets ($B): 20.378704663 · Participants: 21505Chevron Employee Savings Investment PlanCaterpillar 401(k) Savings Plan, Total assets ($B): 18.81200478 · Participants: 43873Caterpillar 401(k) Savings PlanSouthwest Airlines Co. Retirement Savings Plan, Total assets ($B): 16.991748637 · Participants: 67820Southwest Airlines Co. Retirement Savings Plan
Quantum 401(k) Plan vs. nearby 401(k) plans in Texas, assets vs. participants
Compare Quantum 401(k) Plan side-by-side with 3 peers →

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

Outside Texas, the nearest 401(k) by assets is Miller Mechanical Specialties Inc., Employees Profit Sharing Plan & Trust in IA ($6M); by covered participants it is Gana-A'yoo Limited 401(k) Retirement Plan in AK (88 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (88 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Quantum 401(k) Plan assets move in 2024? ▼
Quantum 401(k) Plan grew sharply - up 16.1% during 2024, from $6M to $6M. Reported net income was $889K.
How have Quantum Mechanical Services, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Quantum Mechanical Services, Inc.'s sponsor-wide assets grew 46.0%, from $4M to $6M.
Which 401(k) plans are similar in size to Quantum 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Miller Mechanical Specialties Inc., Employees Profit Sharing Plan & Trust in IA ($6M, 50 participants).
Which 401(k) plans cover a similar participant headcount to Quantum 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Gana-A'yoo Limited 401(k) Retirement Plan in AK (88 participants, $2M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 260420561.

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.