401(k) · DOL Form 5500 · 2024

Mahoney Environmental Solutions, LLC 401(k) Plan

Data updated 2026-08-25

$32M
Total assets Below avg plan size
455
Participants Below avg headcount
78th
Percentile by assets National rank
$71,279
Avg per participant Below avg balance/head
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Official DOL plan name: Mahoney Environmental 401(k) Plan · Sponsored by Mahoney Environmental Solutions, LLC · Illinois · Other Services

$32M in assets, 455 participants

Mahoney Environmental Solutions, LLC's Mahoney Environmental 401(k) Plan reported $32M in total assets and 455 participants in its 2024 DOL Form 5500 filing, ranking in the 78th 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.

  • #6,898 in Other Services (7,719 peers)

Where Mahoney Environmental 401(k) Plan sits by assets

Mahoney Environmental 401(k) Plan sits in the top quartile of all filed plans by assets, $32M for 455 participants (~$71,279/participant), up 48.1% in 2024.

#6,898
in Other Services (7,719 peers)
+48.1%
assets growth YoY
0.3×
vs typical plan assets (national mean)

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 2024 · DOL Form 5500

$32,431,748 Top 22% higher than 78% 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

Mahoney Environmental 401(k) Plan among mid-size filed plans by headcount

Plan-year 2024 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 (455 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Mahoney Environmental 401(k) Plan end-of-year assets rose from $22M in the plan year 2023 filing to $32M in the plan year 2024 filing.
  • Mahoney Environmental 401(k) Plan reported net income fell from $5M in the plan year 2023 filing to $4M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 844823478 · Mahoney Environmental Solutions, LLC PY 2024 · 401(k)

Mahoney Environmental 401(k) Plan · $32M · 455 · 78th

  • RANK $32M
  • RANK 455
  • RANK 78th
  • RANK 401(k)
  • RANK near Pai Holdings, LLC 401(k) Plan
  • RANK ind #6898

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

Ivan Ware & Son Inc. 401(k) Profit Sharing PlanIvan Ware & Son Inc. 401(k) …$32MMahoney Environmental 401(k) PlanMahoney Environmental 401(k)…$32MPai Holdings, LLC 401(k) Plan$32MSekisui Aerospace, Inc. 401(k) Retirement PlanSekisui Aerospace, Inc. 401(…$32MUnited Legwear & Apparel Co.$32M
End-of-year total assets ($M) among Mahoney Environmental 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$22M
Net Assets (End of Year)$32M
Net Income$4M
Employer EIN844823478
Plan Effective Date1992-07-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mahoney Environmental Solutions, LLC)

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

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 -50510152025 Total assets ($B) Participants Mahoney Environmental 401(k) Plan, Total assets ($B): 0.032431748 · Participants: 455Mahoney Environmental 401(k) PlanAccenture United States 401(k) Match and Savings Plan, Total assets ($B): 21.302643276 · Participants: 66965Accenture United States 401(k) Match and Savings PlanState Farm 401(k) Savings Plan, Total assets ($B): 19.010099056 · Participants: 63297State Farm 401(k) Savings PlanUnited Airlines Pilot Retirement Account Plan, Total assets ($B): 16.835964452 · Participants: 16659United Airlines Pilot Retirement Account PlanAbbott Laboratories Stock Retirement Plan, Total assets ($B): 15.755668 · Participants: 38229Abbott Laboratories Stock Retirement PlanWalgreens Retirement Savings Plan, Total assets ($B): 14.535873337 · Participants: 233635Walgreens Retirement Savings Plan
Mahoney Environmental 401(k) Plan vs. nearby 401(k) plans in Illinois, assets vs. participants

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 Pai Holdings, LLC 401(k) Plan in SC ($32M); by covered participants it is The United Firm La Liga Defensora, Apc 401(k) in CA (455 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($32M here).

Similar participant headcount

Nearest other-state filings by covered participants (455 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 Mahoney Environmental 401(k) Plan assets move in 2024? ▼
Mahoney Environmental 401(k) Plan surged - up 48.1% during 2024, from $22M to $32M. Reported net income was $4M.
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.
Where does Mahoney Environmental 401(k) Plan rank by assets among Form 5500 filers? ▼
Mahoney Environmental 401(k) Plan ranks in the 78th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top quartile of all filed plans by assets).
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 Pai Holdings, LLC 401(k) Plan in SC ($32M, 536 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 The United Firm La Liga Defensora, Apc 401(k) in CA (455 participants, $2M in assets).