401(k) · DOL Form 5500 · 2023

Three Sons, Inc. 401(k) Plan

Data updated 2026-08-25

$6M
Total assets Small plan by assets: 146
Participants Small participant base: 47th
Percentile by assets National rank: $39,913
Avg per participant Low balance/head

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

$6M in assets, 146 participants

Three Sons, Inc.'s Three Sons, Inc. 401(k) Plan reported $6M in total assets and 146 participants in its 2023 DOL Form 5500 filing, ranking in the 47th 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.

#5,805 in Manufacturing (18,722 peers)

Coverage in California

Three Sons, Inc. 401(k) Plan covers 146 participants in California, about 23% of the average California filer (state average ~630 per filing). Assets: $6M.

#5,805
in Manufacturing (18,722 peers): +11.2%
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 2023 · DOL Form 5500

$5,827,349 47th percentile higher than 47% of 127,068 filed plans

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

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2023

Three Sons, 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. Three Sons, Inc. 401(k) Plan sits mid-pack in the medium band (146 participants).

Micro (1-10) 35,718 filings (27%) Small (11-100) 27,089 filings (21%) Medium (101-1,000) 55,445 filings (43%) Large (1,001-10,000) 10,273 filings (8%) Mega (10,000+) 1,374 filings (1%)

Three Sons, Inc. 401(k) Plan reported net income rose from -$630K in the plan year 2022 filing to $586K in the plan year 2023 filing.
Three Sons, Inc. 401(k) Plan reported participants rose from 111 in the plan year 2022 filing to 146 in the plan year 2023 filing.
Three Sons, Inc. 401(k) Plan end-of-year assets rose from $5M in the plan year 2022 filing to $6M in the plan year 2023 filing.

See the national 2022→2023 release diff →

DOL schedule card

Filing strip 953176839 · Three Sons, Inc. PY 2023 · 401(k)

Three Sons, Inc. 401(k) Plan · $6M · 146 · 47th

PART $6M
TYPE 146
NET 47th
BOOK 401(k)
VS-ST near Forrest Solutions Inc 401(k) Profit Sharing Plan & Trust
BOY ind #5805

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 →

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 2023.

California filing particulars

Total Assets (Beginning of Year)	$5M
Net Assets (End of Year)	$6M
Net Income	$586K
Employer EIN	953176839
Plan Effective Date	1995-05-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Three Sons, Inc.)

Latest sponsor-wide plan assets: $6M 21.44091928687493% vs 2022; 2024 filing year

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

Wells Fargo & Company 401(k) Plan $51.8B · 193,919
Google LLC 401(k) Savings Plan $39.0B · 122,867
Oracle Corporation 401(k) Savings and Investment Plan $26.3B · 63,105
Intel 401(k) Savings Plan $22.2B · 59,863
Apple 401(k) Plan $19.8B · 106,111

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 Forrest Solutions Inc 401(k) Profit Sharing Plan & Trust in NY ($6M); by covered participants it is Jounce Therapeutics, Inc. 401(k) Plan in MA (146 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

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

Forrest Solutions Inc 401(k) Profit Sharing Plan & Trust (NY) $6M · 3,452
Contract Fabricators, Inc. Retirement Plan (MS) $6M · 123
Cooper Auto Group 401(k) Plan (OK) $6M · 558
Hepatitis B Foundation & Baruch S. Blumberg Institute Savings Plan (PA) $6M · 57

Similar participant headcount

Nearest other-state filings by covered participants (146 participants); asset peers above are excluded.

Jounce Therapeutics, Inc. 401(k) Plan (MA) 146 · 0 off
Golden Bank National Association 401(k) Retirement Savings Plan (TX) 146 · 0 off
Delta Automotive Services, Inc. 401(k) Profit Sharing Plan (NJ) 146 · 0 off
Rock Solid Employees 401(k) Plan (AZ) 146 · 0 off

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 Three Sons, Inc. 401(k) Plan assets move in 2023? ▼

Three Sons, Inc. 401(k) Plan grew at a solid clip - up 11.2% during 2023, from $5M to $6M. Reported net income was $586K.

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 Forrest Solutions Inc 401(k) Profit Sharing Plan & Trust in NY ($6M, 3,452 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 Jounce Therapeutics, Inc. 401(k) Plan in MA (146 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 953176839.