401(k) · DOL Form 5500 · 2024

Lannon Stone Products, Inc. 401(k) Plan

Data updated 2026-08-25

$11M
Total assets Small plan by assets: 116
Participants Small participant base: 59th
Percentile by assets National rank: $98,395
Avg per participant Below avg balance/head

Official DOL plan name: Lannon Stone Products, Inc. & Related Companies 401(k) Plan · Sponsored by Lannon Stone Products, Inc. · Wisconsin · Mining & Oil Extraction

$11M in assets, 116 participants

Lannon Stone Products, Inc.'s Lannon Stone Products, Inc. & Related Companies 401(k) Plan reported $11M in total assets and 116 participants in its 2024 DOL Form 5500 filing, ranking in the 59th 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.

#305 in Mining & Oil Extraction (785 peers)

Coverage in Wisconsin

Lannon Stone Products, Inc. & Related Companies 401(k) Plan covers 116 participants in Wisconsin, about 21% of the average Wisconsin filer (state average ~563 per filing). Assets: $11M.

#305
in Mining & Oil Extraction (785 peers): +18.9%
assets growth YoY

Lannon Stone Products, Inc. & Related Companies 401(k) Plan's mid-pack asset rank among Mining & Oil Extraction and all filers

Lannon Stone Products, Inc. & Related Companies 401(k) Plan vs every filed plan by assets

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

$11,413,768 Top 41% higher than 59% of 123,620 filed plans

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024

Lannon Stone Products, Inc. & Related Companies 401(k) 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. Lannon Stone Products, Inc. & Related Companies 401(k) Plan sits mid-pack in the medium band (116 participants).

Micro (1-10) 33,766 filings (27%) Small (11-100) 26,107 filings (21%) Medium (101-1,000) 54,251 filings (43%) Large (1,001-10,000) 10,349 filings (8%) Mega (10,000+) 1,399 filings (1%)

DOL schedule card

Filing strip 391016604 · Lannon Stone Products, Inc. PY 2024 · 401(k)

Lannon Stone Products, Inc. & Related Companies 401(k) Plan · $11M · 116 · 59th

BOOK $11M
BOOK 116
BOOK 59th
BOOK 401(k)
BOOK near Prestressed Concrete Institute Defined Contribution Plan
BOOK ind #305

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 Mining & Oil Extraction retirement plans → · Plans in Wisconsin →

End-of-year total assets ($M) among Lannon Stone Products, Inc. & Related Companies 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Wisconsin filing particulars

Total Assets (Beginning of Year)	$10M
Net Assets (End of Year)	$11M
Net Income	$2M
Employer EIN	391016604
Plan Effective Date	1995-01-01
Filing Status	FILING RECEIVED

Nearby 401(k) Plans in Wisconsin

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

Lannon Stone Products, Inc. & Related Companies 401(k) Plan vs. nearby 401(k) plans in Wisconsin, assets vs. participants

Advocate Aurora Health 401(k) Plan $10.5B · 80,015
Johnson Controls Retirement Savings and Investment Plan $7.2B · 28,489
Fiserv 401(k) Savings Plan $5.1B · 26,372
Kimberly-Clark Corporation 401(k) & Profit Sharing Plan $5.0B · 11,661
Rockwell Automation Retirement Savings Plan $3.8B · 9,217

Compare Lannon Stone Products, Inc. & Related Companies 401(k) Plan side-by-side with 3 peers →

Lannon Stone Products, Inc. & Related Companies 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Wisconsin, the nearest 401(k) by assets is Prestressed Concrete Institute Defined Contribution Plan in IL ($11M); by covered participants it is Steelseries 401(k) Plan in IL (116 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($11M here).

Prestressed Concrete Institute Defined Contribution Plan (IL) $11M · 43
Cosa Nova Holdings, Inc. 401(k) Plan (NJ) $11M · 677
Codemettle LLC 401(k) Profit Sharing Plan & Trust (GA) $11M · 87
Abington Reldan Metals, LLC 401(k) Profit Sharing Plan (PA) $11M · 171

Similar participant headcount

Nearest other-state filings by covered participants (116 participants); asset peers above are excluded.

Steelseries 401(k) Plan (IL) 116 · 0 off
Southern Urology, LLC 401(k) Plan and Trust (LA) 116 · 0 off
Critical Systems, Inc. 401(k) Plan (MA) 116 · 0 off
Elk Operating Services, LLC 401(k) Profit Sharing Plan (CO) 116 · 0 off

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 Lannon Stone Products, Inc. & Related Companies 401(k) Plan assets move in 2024? ▼

Lannon Stone Products, Inc. & Related Companies 401(k) Plan grew sharply - up 18.9% during 2024, from $10M to $11M. Reported net income was $2M.

Which 401(k) plans are similar in size to Lannon Stone Products, Inc. & Related Companies 401(k) Plan? ▼

Among 401(k) plans in other states, the closest by assets is Prestressed Concrete Institute Defined Contribution Plan in IL ($11M, 43 participants).

Which 401(k) plans cover a similar participant headcount to Lannon Stone Products, Inc. & Related Companies 401(k) Plan? ▼

Among 401(k) plans in other states, the closest by covered participants is Steelseries 401(k) Plan in IL (116 participants, N/A 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 391016604.