401(k) · DOL Form 5500 · 2024

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

Data updated 2026-08-11

$63M
Total assets
419
Participants
87th
Percentile by assets
$151,327
Avg per participant
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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.

  • 87th percentile by assets (of 123,622 plans)
  • #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.

$63M
total plan assets (2024 EOY)
419
covered participants
87th
percentile by assets (of 123,622 plans)
$151,327
avg assets per participant

Where Local 231 IBEW Retirement Plan sits 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 $2,010,000,000 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

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 →

State
Nebraska
Industry
Construction

Local 231 IBEW Retirement Plan vs the 2024 asset distribution

By assets, Local 231 IBEW Retirement Plan outranks 87% of the 123,622 plans that filed a Form 5500 for the 2024 plan year, and holds roughly 0.6x the national average plan size of $100M (721 average participants).

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)

$45M$50M$55M$60M$65M 202220232024 $47.8M $63.4M ▲ +32.7%
Total plan assets by year, all Local 231 IBEW and Iowa NECA Sioux City Division Joint Board of Trust plans on file
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 ($B) Participants Local 231 IBEW Retir…, Total assets ($B): 0.063405814 · Participants: 419Local 231 IBEW Retir…Hdr, Inc. Best Plan …, Total assets ($B): 7.698378085 · Participants: 11460Hdr, Inc. Best Plan …Peter Kiewit Sons, I…, Total assets ($B): 2.800326806 · Participants: 17030Peter Kiewit Sons, I…Union Pacific Agreem…, Total assets ($B): 2.389799139 · Participants: 28813Union Pacific Agreem…Union Pacific Corpor…, Total assets ($B): 2.304431309 · Participants: 5350Union Pacific Corpor…First National of Ne…, Total assets ($B): 1.045428819 · Participants: 4950First National of Ne…
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 →

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Local 231 IBEW Retirement Plan by total assets, not by location.

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).

Next read for Local 231 IBEW Retirement Plan

Scale reading

Ways to act on Local 231 IBEW Retirement Plan's numbers.

  • By total assets, Local 231 IBEW Retirement Plan ranks in the top quartile of all filed plans by assets. See the largest plans
  • Compare it side-by-side against 3 similar 401(k) plans in Nebraska. Compare plans
  • Local 231 IBEW and Iowa NECA Sioux City Division Joint Board of Trust's sponsor-wide assets have grown 32.7% since 2022 across 3 plan years on file. More Construction plans

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.