401(k) · DOL Form 5500 · 2023

Ecology Services, Inc. 401(k) Plan

Data updated 2026-08-25

$2M
Total assets Small plan by assets
185
Participants Below avg headcount
32nd
Percentile by assets National rank
$12,126
Avg per participant Low balance/head
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Official DOL plan name: Ecology Services, Inc. (Non-Union) 401(k) Plan · Sponsored by Ecology Services, Inc. · Maryland · Professional & Technical Services

$2M in assets, 185 participants

Ecology Services, Inc.'s Ecology Services, Inc. (Non-Union) 401(k) Plan reported $2M in total assets and 185 participants in its 2023 DOL Form 5500 filing, ranking in the 32nd 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.

  • #5,687 in Professional & Technical Services (20,321 peers)

Coverage in Maryland

Ecology Services, Inc. (Non-Union) 401(k) Plan covers 185 participants in Maryland, about 20% of the average Maryland filer (state average ~929 per filing). Assets: $2M.

#5,687
in Professional & Technical Services (20,321 peers)
+12.4%
assets growth YoY

Ecology Services, Inc. (Non-Union) 401(k) Plan among the smaller filed plans by assets

Ecology Services, Inc. (Non-Union) 401(k) Plan vs every filed plan by assets

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

$2,243,348 32nd percentile higher than 32% 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

Ecology Services, Inc. (Non-Union) 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. Ecology Services, Inc. (Non-Union) 401(k) Plan sits mid-pack in the medium band (185 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Ecology Services, Inc. (Non-Union) 401(k) Plan reported net income rose from -$444K in the plan year 2022 filing to $247K in the plan year 2023 filing.
  • Ecology Services, Inc. (Non-Union) 401(k) Plan reported participants rose from 128 in the plan year 2022 filing to 185 in the plan year 2023 filing.
  • Ecology Services, Inc. (Non-Union) 401(k) Plan end-of-year assets rose from $2M in the plan year 2022 filing to $2M in the plan year 2023 filing.

See the national 2022→2023 release diff →

EBSA filing schedule strip

Filing strip 521633980 · Ecology Services, Inc. PY 2023 · 401(k)

Ecology Services, Inc. (Non-Union) 401(k) Plan · $2M · 185 · 32nd

  • EIN $2M
  • EIN 185
  • EIN 32nd
  • EIN 401(k)
  • EIN near The Travel Society LLC 401(k) Profit Sharing Plan & Trust
  • EIN ind #5687

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 Professional & Technical Services retirement plans → · Plans in Maryland →

Ecology Services, Inc. (Non-Union) 401(k) Plan in the asset neighbourhood

Ecology Services, Inc. (Non-Union) 401(k) PlanEcology Services, Inc. (Non-…$2MThe Travel Society LLC 401(k) Profit Sharing Plan & TrustThe Travel Society LLC 401(k…$2MZips Carwash 401(k) Retirement Savings PlanZips Carwash 401(k) Retireme…$2MLandura Management Associates 401(k) PlanLandura Management Associate…$2MPeter Dan Butler II 401(k) PlanPeter Dan Butler II 401(k) P…$2M
End-of-year total assets ($M) among Ecology Services, Inc. (Non-Union) 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Maryland filing particulars

Total Assets (Beginning of Year)$2M
Net Assets (End of Year)$2M
Net Income$247K
Employer EIN521633980
Plan Effective Date2012-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Ecology Services, Inc.)

Sponsor-wide plan assets over time

All Ecology Services, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$2M 8.879753795468613% vs 2022
2024 filing year
$2.1M$2.2M$2.3M$2.4M$2.5M 202220232024 $2.44M $2.22M ▼ -9.0%
Year Plans Participants Total Assets
2022 2 170 $2M
2023 1 185 $2M
2024 1 162 $2M

Nearby 401(k) Plans in Maryland

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

Ecology Services, Inc. (Non-Union) 401(k) Plan vs. nearby 401(k) plans in Maryland, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Ecology Services, Inc. (Non-Union) 401(k) Plan, Total assets ($B): 0.002243348 · Participants: 185Ecology Services, Inc. (Non-Union) 401(k) PlanLockheed Martin Corporation Salaried Savings Plan, Total assets ($B): 47.273019756 · Participants: 91511Lockheed Martin Corporation Salaried Savings PlanMarriott Retirement Savings Plan, Total assets ($B): 10.20606962 · Participants: 96415Marriott Retirement Savings PlanT. Rowe Price U.S. Retirement Program, Total assets ($B): 4.357344903 · Participants: 6292T. Rowe Price U.S. Retirement ProgramNfl Player Second Career Savings Plan, Total assets ($B): 3.951576315 · Participants: 2767Nfl Player Second Career Savings PlanSodexo 401 (K) Employees' Retirement Savings Plan and Trust, Total assets ($B): 2.217483854 · Participants: 80121Sodexo 401 (K) Employees' Retirement Savings Plan and Trust
Ecology Services, Inc. (Non-Union) 401(k) Plan vs. nearby 401(k) plans in Maryland, assets vs. participants
Compare Ecology Services, Inc. (Non-Union) 401(k) Plan side-by-side with 3 peers →

Ecology Services, Inc. (Non-Union) 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Maryland, the nearest 401(k) by assets is The Travel Society LLC 401(k) Profit Sharing Plan & Trust in CO ($2M); by covered participants it is Aerie Pharmaceuticals 401(k) Plan in TX (185 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (185 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 Ecology Services, Inc. (Non-Union) 401(k) Plan assets move in 2023? ▼
Ecology Services, Inc. (Non-Union) 401(k) Plan grew at a solid clip - up 12.4% during 2023, from $2M to $2M. Reported net income was $247K.
How have Ecology Services, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Ecology Services, Inc.'s sponsor-wide assets declined 8.9%, from $2M to $2M.
Which 401(k) plans are similar in size to Ecology Services, Inc. (Non-Union) 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is The Travel Society LLC 401(k) Profit Sharing Plan & Trust in CO ($2M, 13 participants).
Which 401(k) plans cover a similar participant headcount to Ecology Services, Inc. (Non-Union) 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Aerie Pharmaceuticals 401(k) Plan in TX (185 participants, N/A 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 521633980.

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.