401(k) · DOL Form 5500 · 2024

Local 231 IBEW and Iowa NECA Sioux City Division Joint Board of Trust 401(k) Plan

Data updated 2026-08-25

$63M
Total assets Below avg plan size
419
Participants Below avg headcount
87th
Percentile by assets National rank
$151,327
Avg per participant Above avg balance/head
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Official DOL plan name: Local 231 IBEW Retirement Plan · Sponsored by Local 231 IBEW and Iowa NECA Sioux City Division Joint Board of Trust · Nebraska · Construction

$63M in assets, 419 participants

Local 231 IBEW and Iowa NECA Sioux City Division Joint Board of Trust's Local 231 IBEW Retirement Plan reported $63M in total assets and 419 participants in its 2024 DOL Form 5500 filing, ranking in the 87th 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.

  • #7,662 in Construction (9,039 peers)

Where Local 231 IBEW Retirement Plan sits by assets

Local 231 IBEW Retirement Plan sits in the top quartile of all filed plans by assets, $63M for 419 participants (~$151,327/participant), up 18.8% in 2024.

#7,662
in Construction (9,039 peers)
+18.8%
assets growth YoY
0.6×
vs typical plan assets (national mean)

Local 231 IBEW Retirement Plan's outsized position by total assets

Local 231 IBEW Retirement Plan vs every filed plan by assets

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

$63,405,814 Top 13% higher than 87% 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

Local 231 IBEW Retirement 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. Local 231 IBEW Retirement Plan sits mid-pack in the medium band (419 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Local 231 IBEW Retirement Plan reported net income rose from $6M in the plan year 2023 filing to $10M in the plan year 2024 filing.
  • Local 231 IBEW Retirement Plan reported participants fell from 522 in the plan year 2023 filing to 419 in the plan year 2024 filing.
  • Local 231 IBEW Retirement Plan end-of-year assets rose from $53M in the plan year 2023 filing to $63M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 421086362 · Local 231 IBEW and Iowa NECA Sioux City Division Joint Board of Trust PY 2024 · 401(k)

Local 231 IBEW Retirement Plan · $63M · 419 · 87th

  • BOY $63M
  • BOY 419
  • BOY 87th
  • BOY 401(k)
  • BOY near Puerto Rico Savings & Investment Plan
  • BOY ind #7662

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 Nebraska →

Local 231 IBEW Retirement Plan in the asset neighbourhood

Local 231 IBEW Retirement PlanLocal 231 IBEW Retirement Pl…$63MPuerto Rico Savings & Investment PlanPuerto Rico Savings & Invest…$63MUrologic Specialists of Oklahoma, Inc. 401(k) Profit Sharing PlanUrologic Specialists of Okla…$63MMaple Leaf Farms, Inc. 401(k) Savings and Retirement PlanMaple Leaf Farms, Inc. 401(k…$63MMiller & Long Employees Combined Retirement PlanMiller & Long Employees Comb…$63M
End-of-year total assets ($M) among Local 231 IBEW Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$53M
Net Assets (End of Year)$63M
Net Income$10M
Employer EIN421086362
Plan Effective Date1977-06-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Local 231 IBEW and Iowa NECA Sioux City Division Joint Board of Trust)

Sponsor-wide plan assets over time

All Local 231 IBEW and Iowa NECA Sioux City Division Joint Board of Trust plans reported in each filing year

Latest sponsor-wide plan assets
$63M 32.683177022887634% vs 2022
2024 filing year
$45M$50M$55M$60M$65M 202220232024 $47.8M $63.4M ▲ +32.7%
Year Plans Participants Total Assets
2022 1 510 $48M
2023 1 522 $53M
2024 1 419 $63M

Nearby 401(k) Plans in Nebraska

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

Local 231 IBEW Retirement Plan vs. nearby 401(k) plans in Nebraska, assets vs. participants Scatter plot of 6 data points. -10000010000200003000040000 -20246810 Total assets ($B) Participants Local 231 IBEW Retirement Plan, Total assets ($B): 0.063405814 · Participants: 419Local 231 IBEW Retirement PlanHdr, Inc. Best Plan and ESOP, Total assets ($B): 7.698378085 · Participants: 11460Hdr, Inc. Best Plan and ESOPPeter Kiewit Sons, Inc. Retirement Savings Plan, Total assets ($B): 2.800326806 · Participants: 17030Peter Kiewit Sons, Inc. Retirement Savings PlanUnion Pacific Agreement Employee 401(k) Retirement Thrift Plan, Total assets ($B): 2.389799139 · Participants: 28813Union Pacific Agreement Employee 401(k) Retirement Thrift PlanUnion Pacific Corporation Thrift Plan, Total assets ($B): 2.304431309 · Participants: 5350Union Pacific Corporation Thrift PlanFirst National of Nebraska, Inc. First Savings Plan, Total assets ($B): 1.045428819 · Participants: 4950First National of Nebraska, Inc. First Savings Plan
Local 231 IBEW Retirement Plan vs. nearby 401(k) plans in Nebraska, assets vs. participants
Compare Local 231 IBEW Retirement Plan side-by-side with 3 peers →

Local 231 IBEW Retirement Plan's out-of-state 401(k) peers by assets and headcount

Outside Nebraska, the nearest 401(k) by assets is Puerto Rico Savings & Investment Plan in PR ($63M); by covered participants it is Bayer Built Woodworks, Inc. Retirement Plan in MN (419 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (419 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 Local 231 IBEW Retirement Plan assets move in 2024? ▼
Local 231 IBEW Retirement Plan grew sharply - up 18.8% during 2024, from $53M to $63M. Reported net income was $10M.
How have Local 231 IBEW and Iowa NECA Sioux City Division Joint Board of Trust plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Local 231 IBEW and Iowa NECA Sioux City Division Joint Board of Trust's sponsor-wide assets grew 32.7%, from $48M to $63M.
Where does Local 231 IBEW Retirement Plan rank by assets among Form 5500 filers? ▼
Local 231 IBEW Retirement Plan ranks in the 87th 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 Local 231 IBEW Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is Puerto Rico Savings & Investment Plan in PR ($63M, 207 participants).
Which 401(k) plans cover a similar participant headcount to Local 231 IBEW Retirement Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Bayer Built Woodworks, Inc. Retirement Plan in MN (419 participants, $43M 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 421086362.

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.