401(k) · DOL Form 5500 · 2024

Hydromat, Inc. of St. Louis, Mo 401(k) Plan

Data updated 2026-08-25

$39M
Total assets Below avg plan size
341
Participants Below avg headcount
81st
Percentile by assets National rank
$114,295
Avg per participant Below avg balance/head
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Official DOL plan name: Hydromat, Inc. of St. Louis Mo 401(k) Plan · Sponsored by Hydromat, Inc. of St. Louis, Mo · Missouri · Manufacturing

$39M in assets, 341 participants

Hydromat, Inc. of St. Louis, Mo's Hydromat, Inc. of St. Louis Mo 401(k) Plan reported $39M in total assets and 341 participants in its 2024 DOL Form 5500 filing, ranking in the 81st 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.

  • #13,068 in Manufacturing (17,777 peers)

Coverage in Missouri

Hydromat, Inc. of St. Louis Mo 401(k) Plan covers 341 participants in Missouri, about 46% of the average Missouri filer (state average ~737 per filing). Assets: $39M.

#13,068
in Manufacturing (17,777 peers)
+11.4%
assets growth YoY
0.4×
vs typical plan assets (national mean)

Hydromat, Inc. of St. Louis Mo 401(k) Plan's outsized position by total assets

Hydromat, Inc. of St. Louis Mo 401(k) Plan vs every filed plan by assets

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

$38,974,636 Top 19% higher than 81% 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

Hydromat, Inc. of St. Louis Mo 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. Hydromat, Inc. of St. Louis Mo 401(k) Plan sits mid-pack in the medium band (341 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Hydromat, Inc. of St. Louis Mo 401(k) Plan reported net income fell from $5M in the plan year 2023 filing to $4M in the plan year 2024 filing.
  • Hydromat, Inc. of St. Louis Mo 401(k) Plan reported participants rose from 298 in the plan year 2023 filing to 341 in the plan year 2024 filing.
  • Hydromat, Inc. of St. Louis Mo 401(k) Plan end-of-year assets rose from $35M in the plan year 2023 filing to $39M in the plan year 2024 filing.

See the national 2023→2024 release diff →

EBSA filing schedule strip

Filing strip 431177255 · Hydromat, Inc. of St. Louis, Mo PY 2024 · 401(k)

Hydromat, Inc. of St. Louis Mo 401(k) Plan · $39M · 341 · 81st

  • BOY $39M
  • BOY 341
  • BOY 81st
  • BOY 401(k)
  • BOY near The Alexander Group, Inc. Profit Sharing 401(k) Plan
  • BOY ind #13068

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 Manufacturing retirement plans → · Plans in Missouri →

Hydromat, Inc. of St. Louis Mo 401(k) Plan in the asset neighbourhood

Covert Auto Group 401(k) Plan$39MJ.F. Lehman & Company, LLC Savings PlanJ.F. Lehman & Company, LLC S…$39MHydromat, Inc. of St. Louis Mo 401(k) PlanHydromat, Inc. of St. Louis …$39MThe Alexander Group, Inc. Profit Sharing 401(k) PlanThe Alexander Group, Inc. Pr…$39MAltair 401(k) Plan$39M
End-of-year total assets ($M) among Hydromat, Inc. of St. Louis Mo 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Missouri filing particulars

Total Assets (Beginning of Year)$35M
Net Assets (End of Year)$39M
Net Income$4M
Employer EIN431177255
Plan Effective Date1989-03-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Hydromat, Inc. of St. Louis, Mo)

Sponsor-wide plan assets over time

All Hydromat, Inc. of St. Louis, Mo plans reported in each filing year

Latest sponsor-wide plan assets
$39M 32.090808423971296% vs 2022
2024 filing year
$25M$30M$35M$40M 202220232024 $29.5M $39M ▲ +32.1%
Year Plans Participants Total Assets
2022 1 302 $30M
2023 1 298 $35M
2024 1 341 $39M

Nearby 401(k) Plans in Missouri

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

Hydromat, Inc. of St. Louis Mo 401(k) Plan vs. nearby 401(k) plans in Missouri, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -5051015 Total assets ($B) Participants Hydromat, Inc. of St. Louis Mo 401(k) Plan, Total assets ($B): 0.038974636 · Participants: 341Hydromat, Inc. of St. Louis Mo 401(k) PlanEdward D. Jones & Co. Profit Sharing and 401(k) Plan, Total assets ($B): 12.368282167 · Participants: 47254Edward D. Jones & Co. Profit Sharing and 401(k) PlanBayer Corporation Savings and Retirement Plan, Total assets ($B): 10.811159993 · Participants: 19357Bayer Corporation Savings and Retirement PlanEmerson Savings Plan, Total assets ($B): 7.357409447 · Participants: 8315Emerson Savings PlanEnterprise Holdings Retirement Savings Plan, Total assets ($B): 6.521110634 · Participants: 72024Enterprise Holdings Retirement Savings PlanCentene Management Corporation Retirement Plan, Total assets ($B): 4.716699086 · Participants: 53760Centene Management Corporation Retirement Plan
Hydromat, Inc. of St. Louis Mo 401(k) Plan vs. nearby 401(k) plans in Missouri, assets vs. participants
Compare Hydromat, Inc. of St. Louis Mo 401(k) Plan side-by-side with 3 peers →

Hydromat, Inc. of St. Louis Mo 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Missouri, the nearest 401(k) by assets is The Alexander Group, Inc. Profit Sharing 401(k) Plan in AZ ($39M); by covered participants it is Keeler Motor Car Co Limited 401(k) Profit Sharing Plan and Trust in NY (341 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($39M here).

Similar participant headcount

Nearest other-state filings by covered participants (341 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 Hydromat, Inc. of St. Louis Mo 401(k) Plan assets move in 2024? ▼
Hydromat, Inc. of St. Louis Mo 401(k) Plan grew at a solid clip - up 11.4% during 2024, from $35M to $39M. Reported net income was $4M.
How have Hydromat, Inc. of St. Louis, Mo plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Hydromat, Inc. of St. Louis, Mo's sponsor-wide assets grew 32.1%, from $30M to $39M.
Where does Hydromat, Inc. of St. Louis Mo 401(k) Plan rank by assets among Form 5500 filers? ▼
Hydromat, Inc. of St. Louis Mo 401(k) Plan ranks in the 81st 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 Hydromat, Inc. of St. Louis Mo 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is The Alexander Group, Inc. Profit Sharing 401(k) Plan in AZ ($39M, 205 participants).
Which 401(k) plans cover a similar participant headcount to Hydromat, Inc. of St. Louis Mo 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Keeler Motor Car Co Limited 401(k) Profit Sharing Plan and Trust in NY (341 participants, N/A 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 431177255.

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.