401(k) · DOL Form 5500 · 2023

Oostburg Concrete Products, Inc. 401(k) Plan

Data updated 2026-08-25

$9M
Total assets Small plan by assets
118
Participants Small participant base
55th
Percentile by assets National rank
$72,214
Avg per participant Below avg balance/head
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Official DOL plan name: Oostburg Concrete Products, Inc. 401(k) Plan · Sponsored by Oostburg Concrete Products, Inc. · Wisconsin · Construction

$9M in assets, 118 participants

Oostburg Concrete Products, Inc.'s Oostburg Concrete Products, Inc. 401(k) Plan reported $9M in total assets and 118 participants in its 2023 DOL Form 5500 filing, ranking in the 55th 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.

  • #4,827 in Construction (9,030 peers)

Coverage in Wisconsin

Oostburg Concrete Products, Inc. 401(k) Plan covers 118 participants in Wisconsin, about 21% of the average Wisconsin filer (state average ~563 per filing). Assets: $9M.

#4,827
in Construction (9,030 peers)
+22.8%
assets growth YoY

Oostburg Concrete Products, Inc. 401(k) Plan's mid-pack asset rank among Construction and all filers

Oostburg Concrete Products, Inc. 401(k) Plan vs every filed plan by assets

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

$8,521,274 Top 45% higher than 55% 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

Oostburg Concrete Products, Inc. 401(k) Plan among mid-size filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Oostburg Concrete Products, Inc. 401(k) Plan sits mid-pack in the medium band (118 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Oostburg Concrete Products, Inc. 401(k) Plan reported net income rose from -$1M in the plan year 2022 filing to $2M in the plan year 2023 filing.
  • Oostburg Concrete Products, Inc. 401(k) Plan end-of-year assets rose from $7M in the plan year 2022 filing to $9M in the plan year 2023 filing.
  • Oostburg Concrete Products, Inc. 401(k) Plan reported participants rose from 114 in the plan year 2022 filing to 118 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Plan-year Form 5500 strip

Filing strip 390789082 · Oostburg Concrete Products, Inc. PY 2023 · 401(k)

Oostburg Concrete Products, Inc. 401(k) Plan · $9M · 118 · 55th

  • SCH $9M
  • SCH 118
  • SCH 55th
  • SCH 401(k)
  • SCH near Interstate Rock Products, Inc. 401(k) Profit Sharing Plan
  • SCH ind #4827

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 →

Oostburg Concrete Products, Inc. 401(k) Plan in the asset neighbourhood

Oostburg Concrete Products, Inc. 401(k) PlanOostburg Concrete Products, …$9MInterstate Rock Products, Inc. 401(k) Profit Sharing PlanInterstate Rock Products, In…$9MMsc Cruises (USA) LLC 401(k) PlanMsc Cruises (USA) LLC 401(k)…$9MCataler North America 401(k) PlanCataler North America 401(k)…$9MSound Seal, Inc. 401(k) Plan$9M
End-of-year total assets ($M) among Oostburg Concrete Products, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Wisconsin filing particulars

Total Assets (Beginning of Year)$7M
Net Assets (End of Year)$9M
Net Income$2M
Employer EIN390789082
Plan Effective Date1994-06-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Oostburg Concrete Products, Inc.)

Sponsor-wide plan assets over time

All Oostburg Concrete Products, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$10M 39.86484733154572% vs 2022
2024 filing year
$6M$7M$8M$9M$10M 202220232024 $6.94M $9.7M ▲ +39.8%
Year Plans Participants Total Assets
2022 1 114 $7M
2023 1 118 $9M
2024 1 120 $10M

Nearby 401(k) Plans in Wisconsin

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

Oostburg Concrete Products, Inc. 401(k) Plan vs. nearby 401(k) plans in Wisconsin, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000100000 -50510 Total assets ($B) Participants Oostburg Concrete Products, Inc. 401(k) Plan, Total assets ($B): 0.008521274 · Participants: 118Oostburg Concrete Products, Inc. 401(k) PlanAdvocate 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
Oostburg Concrete Products, Inc. 401(k) Plan vs. nearby 401(k) plans in Wisconsin, assets vs. participants
Compare Oostburg Concrete Products, Inc. 401(k) Plan side-by-side with 3 peers →

Oostburg Concrete Products, Inc. 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Wisconsin, the nearest 401(k) by assets is Interstate Rock Products, Inc. 401(k) Profit Sharing Plan in UT ($9M); by covered participants it is Ensign Natural Resources 401(k) Plan in TX (118 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($9M here).

Similar participant headcount

Nearest other-state filings by covered participants (118 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 Oostburg Concrete Products, Inc. 401(k) Plan assets move in 2023? ▼
Oostburg Concrete Products, Inc. 401(k) Plan grew sharply - up 22.8% during 2023, from $7M to $9M. Reported net income was $2M.
How have Oostburg Concrete Products, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Oostburg Concrete Products, Inc.'s sponsor-wide assets grew 39.9%, from $7M to $10M.
Which 401(k) plans are similar in size to Oostburg Concrete Products, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Interstate Rock Products, Inc. 401(k) Profit Sharing Plan in UT ($9M, 131 participants).
Which 401(k) plans cover a similar participant headcount to Oostburg Concrete Products, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Ensign Natural Resources 401(k) Plan in TX (118 participants, N/A in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 390789082.

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.