401(k) · DOL Form 5500 · 2023

Mahoney Environmental Solutions, LLC 401(k) Plan

Data updated 2026-08-25

$22M
Total assets Small plan by assets
459
Participants Below avg headcount
74th
Percentile by assets National rank
$47,714
Avg per participant Low balance/head
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Official DOL plan name: Mahoney Environmental 401(k) Plan · Sponsored by Mahoney Environmental Solutions, LLC · Illinois · Other Services

$22M in assets, 459 participants

Mahoney Environmental Solutions, LLC's Mahoney Environmental 401(k) Plan reported $22M in total assets and 459 participants in its 2023 DOL Form 5500 filing, ranking in the 74th 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.

  • #6,764 in Other Services (7,857 peers)

Mahoney Environmental Solutions, LLC multi-year trail

Mahoney Environmental Solutions, LLC's plans moved +197.2% in assets from 2022 to 2024; this filing shows Mahoney Environmental 401(k) Plan at $22M / 459 participants.

#6,764
in Other Services (7,857 peers)
+29.8%
assets growth YoY

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

Mahoney Environmental 401(k) Plan vs every filed plan by assets

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

$21,900,763 Top 26% higher than 74% 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

Mahoney Environmental 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. Mahoney Environmental 401(k) Plan sits mid-pack in the medium band (459 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Mahoney Environmental 401(k) Plan reported net income rose from -$845K in the plan year 2022 filing to $5M in the plan year 2023 filing.
  • Mahoney Environmental 401(k) Plan reported participants rose from 324 in the plan year 2022 filing to 459 in the plan year 2023 filing.
  • Mahoney Environmental 401(k) Plan end-of-year assets rose from $17M in the plan year 2022 filing to $22M in the plan year 2023 filing.

See the national 2022→2023 release diff →

Plan-year Form 5500 strip

Filing strip 844823478 · Mahoney Environmental Solutions, LLC PY 2023 · 401(k)

Mahoney Environmental 401(k) Plan · $22M · 459 · 74th

  • NET $22M
  • NET 459
  • NET 74th
  • NET 401(k)
  • NET near Monday Properties Services, LLC.401(k) Retirement Plan
  • NET ind #6764

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 Other Services retirement plans → · Plans in Illinois →

Mahoney Environmental 401(k) Plan in the asset neighbourhood

Opus One 401(k) Plan$22MMahoney Environmental 401(k) PlanMahoney Environmental 401(k)…$22MMonday Properties Services, LLC.401(k) Retirement PlanMonday Properties Services, …$22MAthenix Solutions Group, LLC 401(k) PlanAthenix Solutions Group, LLC…$22MEsherick Homsey Dodge & Davis 401(k) Savings PlanEsherick Homsey Dodge & Davi…$22M
End-of-year total assets ($M) among Mahoney Environmental 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Mahoney Environmental Solutions, LLC multi-year asset trail

Sponsor-wide plan assets over time

All Mahoney Environmental Solutions, LLC plans reported in each filing year

Latest sponsor-wide plan assets
$50M 197.191202260056% vs 2022
2024 filing year
$10M$20M$30M$40M$50M$60M 202220232024 $16.9M $50.2M ▲ +197.1%
Year Plans Participants Total Assets
2022 1 324 $17M
2023 1 459 $22M
2024 2 489 $50M

Mahoney Environmental Solutions, LLC filing trail (2023)

Total Assets (Beginning of Year)$17M
Net Assets (End of Year)$22M
Net Income$5M
Employer EIN844823478
Plan Effective Date1992-07-01
Filing StatusFILING RECEIVED

Nearby 401(k) Plans in Illinois

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

Mahoney Environmental 401(k) Plan vs. nearby 401(k) plans in Illinois, assets vs. participants Scatter plot of 6 data points. -1000000100000200000300000 -505101520 Total assets ($B) Participants Mahoney Environmental 401(k) Plan, Total assets ($B): 0.021900763 · Participants: 459Mahoney Environmental 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
Mahoney Environmental 401(k) Plan vs. nearby 401(k) plans in Illinois, assets vs. participants
Compare Mahoney Environmental 401(k) Plan side-by-side with 3 peers →

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

Outside Illinois, the nearest 401(k) by assets is Monday Properties Services, LLC.401(k) Retirement Plan in NY ($22M); by covered participants it is East Manufacturing Corporation 401(k) Plan in OH (459 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (459 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 Mahoney Environmental 401(k) Plan assets move in 2023? ▼
Mahoney Environmental 401(k) Plan grew sharply - up 29.8% during 2023, from $17M to $22M. Reported net income was $5M.
How have Mahoney Environmental Solutions, LLC plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Mahoney Environmental Solutions, LLC's sponsor-wide assets grew 197.2%, from $17M to $50M.
Which 401(k) plans are similar in size to Mahoney Environmental 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Monday Properties Services, LLC.401(k) Retirement Plan in NY ($22M, 121 participants).
Which 401(k) plans cover a similar participant headcount to Mahoney Environmental 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is East Manufacturing Corporation 401(k) Plan in OH (459 participants, $8M 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 844823478.

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.