401(k) · DOL Form 5500 · 2024

Three Sons, Inc. 401(k) Plan

Data updated 2026-08-25

$6M
Total assets Small plan by assets
108
Participants Small participant base
46th
Percentile by assets National rank
$58,932
Avg per participant Low balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Three Sons, Inc. 401(k) Plan · Sponsored by Three Sons, Inc. · California · Manufacturing

$6M in assets, 108 participants

Three Sons, Inc.'s Three Sons, Inc. 401(k) Plan reported $6M in total assets and 108 participants in its 2024 DOL Form 5500 filing, ranking in the 46th 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.

  • #5,336 in Manufacturing (17,777 peers)

Coverage in California

Three Sons, Inc. 401(k) Plan covers 108 participants in California, about 17% of the average California filer (state average ~630 per filing). Assets: $6M.

#5,336
in Manufacturing (17,777 peers)
+9.2%
assets growth YoY

Three Sons, Inc. 401(k) Plan's mid-pack asset rank among Manufacturing and all filers

Three Sons, Inc. 401(k) Plan vs every filed plan by assets

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

$6,364,636 46th percentile higher than 46% 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

Three Sons, Inc. 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. Three Sons, Inc. 401(k) Plan sits mid-pack in the medium band (108 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Three Sons, Inc. 401(k) Plan reported participants fell from 146 in the plan year 2023 filing to 108 in the plan year 2024 filing.
  • Three Sons, Inc. 401(k) Plan end-of-year assets rose from $6M in the plan year 2023 filing to $6M in the plan year 2024 filing.
  • Three Sons, Inc. 401(k) Plan reported net income fell from $586K in the plan year 2023 filing to $537K in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 953176839 · Three Sons, Inc. PY 2024 · 401(k)

Three Sons, Inc. 401(k) Plan · $6M · 108 · 46th

  • IND $6M
  • EOY 108
  • 5500 46th
  • ASSETS 401(k)
  • PCT near Ziegler Lumber Co. 401(k) Plan
  • EIN ind #5336

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 California →

Three Sons, Inc. 401(k) Plan in the asset neighbourhood

Three Sons, Inc. 401(k) Plan$6MZiegler Lumber Co. 401(k) PlanZiegler Lumber Co. 401(k) Pl…$6MMaterials Transportation Company 401(k) PlanMaterials Transportation Com…$6MKnowable, Inc. 401(k) Retirement PlanKnowable, Inc. 401(k) Retire…$6MThe Pendergraph Companies, LLC 401(k) PlanThe Pendergraph Companies, L…$6M
End-of-year total assets ($M) among Three Sons, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

California filing particulars

Total Assets (Beginning of Year)$6M
Net Assets (End of Year)$6M
Net Income$537K
Employer EIN953176839
Plan Effective Date1995-05-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Three Sons, Inc.)

Sponsor-wide plan assets over time

All Three Sons, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$6M 21.44091928687493% vs 2022
2024 filing year
$5M$5.5M$6M$6.5M 202220232024 $5.24M $6.36M ▲ +21.4%
Year Plans Participants Total Assets
2022 1 111 $5M
2023 1 146 $6M
2024 1 108 $6M

Nearby 401(k) Plans in California

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

Three Sons, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Three Sons, Inc. 401(k) Plan, Total assets ($B): 0.006364636 · Participants: 108Three Sons, Inc. 401(k) PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 48.738057415 · Participants: 116712Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 31.02646504 · Participants: 58962Oracle Corporation 401(k) Savings and Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 24.850880304 · Participants: 55298Intel 401(k) Savings PlanApple 401(k) Plan, Total assets ($B): 24.714519387 · Participants: 101450Apple 401(k) PlanCisco Systems,Inc. 401(k) Plan, Total assets ($B): 22.728425546 · Participants: 40452Cisco Systems,Inc. 401(k) Plan
Three Sons, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Three Sons, Inc. 401(k) Plan side-by-side with 3 peers →

Three Sons, Inc. 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is Ziegler Lumber Co. 401(k) Plan in WA ($6M); by covered participants it is El Centro De Corazon 401(k) Profit Sharing Plan and Trust in TX (108 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($6M here).

Similar participant headcount

Nearest other-state filings by covered participants (108 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 Three Sons, Inc. 401(k) Plan assets move in 2024? ▼
Three Sons, Inc. 401(k) Plan grew at a solid clip - up 9.2% during 2024, from $6M to $6M. Reported net income was $537K.
How have Three Sons, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Three Sons, Inc.'s sponsor-wide assets grew 21.4%, from $5M to $6M.
Which 401(k) plans are similar in size to Three Sons, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Ziegler Lumber Co. 401(k) Plan in WA ($6M, 159 participants).
Which 401(k) plans cover a similar participant headcount to Three Sons, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is El Centro De Corazon 401(k) Profit Sharing Plan and Trust in TX (108 participants, $4M 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 953176839.

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.