401(k) · DOL Form 5500 · 2024

Hydro, Inc. 401(k) Plan

Data updated 2026-08-25

$49M
Total assets Below avg plan size
337
Participants Below avg headcount
84th
Percentile by assets National rank
$145,490
Avg per participant Above avg balance/head
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Official DOL plan name: Hydro, Inc. 401(k) Salary Reduction Plan and Trust · Sponsored by Hydro, Inc. · Illinois · Other Services

$49M in assets, 337 participants

Hydro, Inc.'s Hydro, Inc. 401(k) Salary Reduction Plan and Trust reported $49M in total assets and 337 participants in its 2024 DOL Form 5500 filing, ranking in the 84th 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.

  • #7,156 in Other Services (7,719 peers)

Coverage in Illinois

Hydro, Inc. 401(k) Salary Reduction Plan and Trust covers 337 participants in Illinois, about 43% of the average Illinois filer (state average ~779 per filing). Assets: $49M.

#7,156
in Other Services (7,719 peers)
+12.1%
assets growth YoY
0.5×
vs typical plan assets (national mean)

Hydro, Inc. 401(k) Salary Reduction Plan and Trust's outsized position by total assets

Hydro, Inc. 401(k) Salary Reduction Plan and Trust vs every filed plan by assets

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

$49,030,292 Top 16% higher than 84% 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

Hydro, Inc. 401(k) Salary Reduction Plan and Trust 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. Hydro, Inc. 401(k) Salary Reduction Plan and Trust sits mid-pack in the medium band (337 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Hydro, Inc. 401(k) Salary Reduction Plan and Trust reported net income fell from $8M in the plan year 2023 filing to $5M in the plan year 2024 filing.
  • Hydro, Inc. 401(k) Salary Reduction Plan and Trust end-of-year assets rose from $44M in the plan year 2023 filing to $49M in the plan year 2024 filing.
  • Hydro, Inc. 401(k) Salary Reduction Plan and Trust reported participants fell from 345 in the plan year 2023 filing to 337 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Plan-year Form 5500 strip

Filing strip 362995778 · Hydro, Inc. PY 2024 · 401(k)

Hydro, Inc. 401(k) Salary Reduction Plan and Trust · $49M · 337 · 84th

  • PHOTO $49M
  • PHOTO 337
  • PHOTO 84th
  • PHOTO 401(k)
  • PHOTO near Eze Castle Integration 401(k) Plan
  • PHOTO ind #7156

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 →

Hydro, Inc. 401(k) Salary Reduction Plan and Trust in the asset neighbourhood

Hydro, Inc. 401(k) Salary Reduction Plan and TrustHydro, Inc. 401(k) Salary Re…$49MEze Castle Integration 401(k) PlanEze Castle Integration 401(k…$49MGse Systems 401(k) Plan$49MInterwell Health Partners 401(k) Savings PlanInterwell Health Partners 40…$49MApex Clean Energy, Inc. 401(k) PlanApex Clean Energy, Inc. 401(…$49M
End-of-year total assets ($M) among Hydro, Inc. 401(k) Salary Reduction Plan and Trust and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Illinois filing particulars

Total Assets (Beginning of Year)$44M
Net Assets (End of Year)$49M
Net Income$5M
Employer EIN362995778
Plan Effective Date1975-11-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Hydro, Inc.)

Sponsor-wide plan assets over time

All Hydro, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$49M 37.307634284204276% vs 2022
2024 filing year
$30M$35M$40M$45M$50M$55M 202220232024 $35.7M $49M ▲ +37.3%
Year Plans Participants Total Assets
2022 1 339 $36M
2023 1 345 $44M
2024 1 337 $49M

Nearby 401(k) Plans in Illinois

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

Hydro, Inc. 401(k) Salary Reduction Plan and Trust vs. nearby 401(k) plans in Illinois, assets vs. participants Scatter plot of 6 data points. -1000000100000200000300000 -50510152025 Total assets ($B) Participants Hydro, Inc. 401(k) Salary Reduction Plan and Trust, Total assets ($B): 0.049030292 · Participants: 337Hydro, Inc. 401(k) Salary Reduction Plan and TrustAccenture 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
Hydro, Inc. 401(k) Salary Reduction Plan and Trust vs. nearby 401(k) plans in Illinois, assets vs. participants
Compare Hydro, Inc. 401(k) Salary Reduction Plan and Trust side-by-side with 3 peers →

Hydro, Inc. 401(k) Salary Reduction Plan and Trust's out-of-state 401(k) peers by assets and headcount

Outside Illinois, the nearest 401(k) by assets is Eze Castle Integration 401(k) Plan in MA ($49M); by covered participants it is R.N. Industries Trucking, Inc. Profit Sharing Plan in UT (337 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($49M here).

Similar participant headcount

Nearest other-state filings by covered participants (337 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 Hydro, Inc. 401(k) Salary Reduction Plan and Trust assets move in 2024? ▼
Hydro, Inc. 401(k) Salary Reduction Plan and Trust grew at a solid clip - up 12.1% during 2024, from $44M to $49M. Reported net income was $5M.
How have Hydro, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Hydro, Inc.'s sponsor-wide assets grew 37.3%, from $36M to $49M.
Where does Hydro, Inc. 401(k) Salary Reduction Plan and Trust rank by assets among Form 5500 filers? ▼
Hydro, Inc. 401(k) Salary Reduction Plan and Trust ranks in the 84th 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 Hydro, Inc. 401(k) Salary Reduction Plan and Trust? ▼
Among 401(k) plans in other states, the closest by assets is Eze Castle Integration 401(k) Plan in MA ($49M, 284 participants).
Which 401(k) plans cover a similar participant headcount to Hydro, Inc. 401(k) Salary Reduction Plan and Trust? ▼
Among 401(k) plans in other states, the closest by covered participants is R.N. Industries Trucking, Inc. Profit Sharing Plan in UT (337 participants, $4M 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 362995778.

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.