401(k) · DOL Form 5500 · 2024

Dudek & Bock Spring Mfg 401(k) Plan

Data updated 2026-08-25

$17M
Total assets Small plan by assets
147
Participants Small participant base
67th
Percentile by assets National rank
$116,185
Avg per participant Below avg balance/head
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Official DOL plan name: Dudek & Bock 401(k) Tax Deferred Savings Plan · Sponsored by Dudek & Bock Spring Mfg · Illinois · Manufacturing

$17M in assets, 147 participants

Dudek & Bock Spring Mfg's Dudek & Bock 401(k) Tax Deferred Savings Plan reported $17M in total assets and 147 participants in its 2024 DOL Form 5500 filing, ranking in the 67th 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.

  • #9,918 in Manufacturing (17,777 peers)

Coverage in Illinois

Dudek & Bock 401(k) Tax Deferred Savings Plan covers 147 participants in Illinois, about 19% of the average Illinois filer (state average ~779 per filing). Assets: $17M.

#9,918
in Manufacturing (17,777 peers)
+9.1%
assets growth YoY

Dudek & Bock 401(k) Tax Deferred Savings Plan's outsized position by total assets

Dudek & Bock 401(k) Tax Deferred Savings Plan vs every filed plan by assets

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

$17,079,209 Top 33% higher than 67% 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

Dudek & Bock 401(k) Tax Deferred Savings 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. Dudek & Bock 401(k) Tax Deferred Savings Plan sits mid-pack in the medium band (147 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Dudek & Bock 401(k) Tax Deferred Savings Plan reported participants rose from 126 in the plan year 2023 filing to 147 in the plan year 2024 filing.
  • Dudek & Bock 401(k) Tax Deferred Savings Plan reported net income fell from $2M in the plan year 2023 filing to $1M in the plan year 2024 filing.
  • Dudek & Bock 401(k) Tax Deferred Savings Plan end-of-year assets rose from $16M in the plan year 2023 filing to $17M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 362151468 · Dudek & Bock Spring Mfg PY 2024 · 401(k)

Dudek & Bock 401(k) Tax Deferred Savings Plan · $17M · 147 · 67th

  • PHOTO $17M
  • IND 147
  • EOY 67th
  • 5500 401(k)
  • ASSETS near Pgp International, Inc. 401(k) Plan
  • PCT ind #9918

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 Illinois →

Dudek & Bock 401(k) Tax Deferred Savings Plan in the asset neighbourhood

Dudek & Bock 401(k) Tax Deferred Savings PlanDudek & Bock 401(k) Tax Defe…$17MPgp International, Inc. 401(k) PlanPgp International, Inc. 401(…$17MAce Industries, Inc. 401(k) Profit Sharing PlanAce Industries, Inc. 401(k) …$17MArlington Holding Company 401(k) PlanArlington Holding Company 40…$17MBaldwin Brothers LLC 401(k) Savings PlanBaldwin Brothers LLC 401(k) …$17M
End-of-year total assets ($M) among Dudek & Bock 401(k) Tax Deferred Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Illinois filing particulars

Total Assets (Beginning of Year)$16M
Net Assets (End of Year)$17M
Net Income$1M
Employer EIN362151468
Plan Effective Date1990-03-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Dudek & Bock Spring Mfg)

Sponsor-wide plan assets over time

All Dudek & Bock Spring Mfg plans reported in each filing year

Latest sponsor-wide plan assets
$17M 21.022616192229663% vs 2022
2024 filing year
$13M$14M$15M$16M$17M$18M 202220232024 $14.1M $17.1M ▲ +21.0%
Year Plans Participants Total Assets
2022 1 153 $14M
2023 1 126 $16M
2024 1 147 $17M

Nearby 401(k) Plans in Illinois

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

Dudek & Bock 401(k) Tax Deferred Savings Plan vs. nearby 401(k) plans in Illinois, assets vs. participants Scatter plot of 6 data points. -1000000100000200000300000 -50510152025 Total assets ($B) Participants Dudek & Bock 401(k) Tax Deferred Savings Plan, Total assets ($B): 0.017079209 · Participants: 147Dudek & Bock 401(k) Tax Deferred Savings PlanAccenture United States 401(k) Match and Savings Plan, Total assets ($B): 21.302643276 · Participants: 66965Accenture United States 401(k) Match and Savings PlanState Farm 401(k) Savings Plan, Total assets ($B): 19.010099056 · Participants: 63297State Farm 401(k) Savings PlanUnited Airlines Pilot Retirement Account Plan, Total assets ($B): 16.835964452 · Participants: 16659United Airlines Pilot Retirement Account PlanAbbott Laboratories Stock Retirement Plan, Total assets ($B): 15.755668 · Participants: 38229Abbott Laboratories Stock Retirement PlanWalgreens Retirement Savings Plan, Total assets ($B): 14.535873337 · Participants: 233635Walgreens Retirement Savings Plan
Dudek & Bock 401(k) Tax Deferred Savings Plan vs. nearby 401(k) plans in Illinois, assets vs. participants
Compare Dudek & Bock 401(k) Tax Deferred Savings Plan side-by-side with 3 peers →

Dudek & Bock 401(k) Tax Deferred Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside Illinois, the nearest 401(k) by assets is Pgp International, Inc. 401(k) Plan in CA ($17M); by covered participants it is Sabinal Administrative Services, LLC 401(k) Plan in TX (147 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($17M here).

Similar participant headcount

Nearest other-state filings by covered participants (147 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 Dudek & Bock 401(k) Tax Deferred Savings Plan assets move in 2024? ▼
Dudek & Bock 401(k) Tax Deferred Savings Plan grew at a solid clip - up 9.1% during 2024, from $16M to $17M. Reported net income was $1M.
How have Dudek & Bock Spring Mfg plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Dudek & Bock Spring Mfg's sponsor-wide assets grew 21.0%, from $14M to $17M.
Which 401(k) plans are similar in size to Dudek & Bock 401(k) Tax Deferred Savings Plan? ▼
Among 401(k) plans in other states, the closest by assets is Pgp International, Inc. 401(k) Plan in CA ($17M, 171 participants).
Which 401(k) plans cover a similar participant headcount to Dudek & Bock 401(k) Tax Deferred Savings Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Sabinal Administrative Services, LLC 401(k) Plan in TX (147 participants, $15M 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 362151468.

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.