401(k) · DOL Form 5500 · 2023

Plumbers & Steamfitters Local 434 Local 434 401(k) Plan

Data updated 2026-08-25

$103M
Total assets Near avg plan size
1,663
Participants Near avg headcount
91st
Percentile by assets National rank
$61,995
Avg per participant Low balance/head
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Official DOL plan name: Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k) · Sponsored by Plumbers & Steamfitters Local 434 Local 434 · Wisconsin · Construction

$103M in assets, 1,663 participants

Plumbers & Steamfitters Local 434 Local 434's Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k) reported $103M in total assets and 1,663 participants in its 2023 DOL Form 5500 filing, ranking in the 91st 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.

  • #8,109 in Construction (9,030 peers)

Coverage in Wisconsin

Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k) covers 1,663 participants in Wisconsin, 3.0x the typical Wisconsin plan (state average ~563 per filing). Assets: $103M.

#8,109
in Construction (9,030 peers)
+16.0%
assets growth YoY
1.0×
vs typical plan assets (national mean)

Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k)'s outsized position by total assets

Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k) vs every filed plan by assets

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

$103,096,982 Top 9% higher than 91% 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

Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k)'s large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k) lands in the large band (1,663 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k) reported net income rose from -$8M in the plan year 2022 filing to $14M in the plan year 2023 filing.
  • Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k) end-of-year assets rose from $89M in the plan year 2022 filing to $103M in the plan year 2023 filing.
  • Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k) reported participants rose from 1,614 in the plan year 2022 filing to 1,663 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 391905166 · Plumbers & Steamfitters Local 434 Local 434 PY 2023 · 401(k)

Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k) · $103M · 1,663 · 91st

  • SCH $103M
  • EBSA 1,663
  • PART 91st
  • TYPE 401(k)
  • NET near Ernst Enterprises Retirement Savings Plan
  • BOOK ind #8109

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 Construction retirement plans → · Plans in Wisconsin →

Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k) in the asset neighbourhood

23andme, Inc. 401(k) Plan$103MPlumbers & Steamfitters Local 434 and Mca Supplemental 401(k)Plumbers & Steamfitters Loca…$103MErnst Enterprises Retirement Savings PlanErnst Enterprises Retirement…$103MTgs-Nopec Geophysical Company 401(k) ProfitTgs-Nopec Geophysical Compan…$103MAnaplan, Inc. 401(k) Plan$103M
End-of-year total assets ($M) among Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k) and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Wisconsin filing particulars

Total Assets (Beginning of Year)$89M
Net Assets (End of Year)$103M
Net Income$14M
Employer EIN391905166
Plan Effective Date1998-10-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Plumbers & Steamfitters Local 434 Local 434)

Sponsor-wide plan assets over time

All Plumbers & Steamfitters Local 434 Local 434 plans reported in each filing year

Latest sponsor-wide plan assets
$115M 29.88362603914284% vs 2022
2024 filing year
$80M$90M$100M$110M$120M 202220232024 $88.9M $115M ▲ +29.9%
Year Plans Participants Total Assets
2022 1 1,614 $89M
2023 1 1,663 $103M
2024 1 1,712 $115M

Nearby 401(k) Plans in Wisconsin

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

Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k) vs. nearby 401(k) plans in Wisconsin, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000100000 -20246810 Total assets ($B) Participants Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k), Total assets ($B): 0.103096982 · Participants: 1663Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k)Advocate Aurora Health 401(k) Plan, Total assets ($B): 9.125723544 · Participants: 76956Advocate Aurora Health 401(k) PlanJohnson Controls Retirement Savings and Investment Plan, Total assets ($B): 6.160116767 · Participants: 28904Johnson Controls Retirement Savings and Investment PlanFiserv 401(k) Savings Plan, Total assets ($B): 4.81171463 · Participants: 25280Fiserv 401(k) Savings PlanKimberly-Clark Corporation 401(k) & Profit Sharing Plan, Total assets ($B): 4.550761 · Participants: 11236Kimberly-Clark Corporation 401(k) & Profit Sharing PlanRockwell Automation Retirement Savings Plan, Total assets ($B): 3.62235882 · Participants: 8877Rockwell Automation Retirement Savings Plan
Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k) vs. nearby 401(k) plans in Wisconsin, assets vs. participants

Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k)'s out-of-state 401(k) peers by assets and headcount

Outside Wisconsin, the nearest 401(k) by assets is Ernst Enterprises Retirement Savings Plan in OH ($103M); by covered participants it is Lasalle Southwest 401(k) Plan in LA (1,664 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($103M here).

Similar participant headcount

Nearest other-state filings by covered participants (1,663 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 Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k) assets move in 2023?
Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k) grew sharply - up 16.0% during 2023, from $89M to $103M. Reported net income was $14M.
How have Plumbers & Steamfitters Local 434 Local 434 plan assets changed over time?
Across 3 plan years on file (2022-2024), Plumbers & Steamfitters Local 434 Local 434's sponsor-wide assets grew 29.9%, from $89M to $115M.
Where does Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k) rank by assets among Form 5500 filers?
Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k) ranks in the 91st percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k)?
Among 401(k) plans in other states, the closest by assets is Ernst Enterprises Retirement Savings Plan in OH ($103M, 1,057 participants).
Which 401(k) plans cover a similar participant headcount to Plumbers & Steamfitters Local 434 and Mca Supplemental 401(k)?
Among 401(k) plans in other states, the closest by covered participants is Lasalle Southwest 401(k) Plan in LA (1,664 participants, $6M in assets).