401(k) · DOL Form 5500 · 2024

Diamond Environmental Services, LP 401(k) Plan

Data updated 2026-08-25

$11M
Total assets Small plan by assets: 275
Participants Below avg headcount: 57th
Percentile by assets National rank: $39,012
Avg per participant Low balance/head

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Official DOL plan name: Family 401(k) Plan · Sponsored by Diamond Environmental Services, LP · California · Administrative & Support Services

$11M in assets, 275 participants

Diamond Environmental Services, LP's Family 401(k) Plan reported $11M in total assets and 275 participants in its 2024 DOL Form 5500 filing, ranking in the 57th 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.

#3,321 in Administrative & Support Services (4,368 peers)

Coverage in California

Family 401(k) Plan covers 275 participants in California, about 44% of the average California filer (state average ~630 per filing). Assets: $11M.

#3,321
in Administrative & Support Services (4,368 peers): +13.5%
assets growth YoY

Family 401(k) Plan's mid-pack asset rank among Administrative & Support Services and all filers

Family 401(k) Plan vs every filed plan by assets

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

$10,728,283 Top 43% higher than 57% 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

Family 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. Family 401(k) Plan sits mid-pack in the medium band (275 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%)

Family 401(k) Plan reported net income fell from $2M in the plan year 2023 filing to $1M in the plan year 2024 filing.
Family 401(k) Plan end-of-year assets rose from $9M in the plan year 2023 filing to $11M in the plan year 2024 filing.
Family 401(k) Plan reported participants fell from 300 in the plan year 2023 filing to 275 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Plan-year Form 5500 strip

Filing strip 330766453 · Diamond Environmental Services, LP PY 2024 · 401(k)

Family 401(k) Plan · $11M · 275 · 57th

NET $11M
NET 275
NET 57th
NET 401(k)
NET near Underwood Fruit and Warehouse Retirement Savings Plan
NET ind #3321

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 Administrative & Support Services retirement plans → · Plans in California →

End-of-year total assets ($M) among Family 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

California filing particulars

Total Assets (Beginning of Year)	$9M
Net Assets (End of Year)	$11M
Net Income	$1M
Employer EIN	330766453
Plan Effective Date	2008-01-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Diamond Environmental Services, LP)

Latest sponsor-wide plan assets: $11M 37.11750013068507% vs 2022; 2024 filing year

Year	Plans	Participants	Total Assets
2022	1	405	$8M
2023	1	300	$9M
2024	1	275	$11M

Nearby 401(k) Plans in California

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

Family 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants

Google LLC 401(k) Savings Plan $48.7B · 116,712
Oracle Corporation 401(k) Savings and Investment Plan $31.0B · 58,962
Intel 401(k) Savings Plan $24.9B · 55,298
Apple 401(k) Plan $24.7B · 101,450
Cisco Systems,Inc. 401(k) Plan $22.7B · 40,452

Compare Family 401(k) Plan side-by-side with 3 peers →

Family 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is Underwood Fruit and Warehouse Retirement Savings Plan in WA ($11M); by covered participants it is Territorial Savings Bank 401(k) Plan in HI (275 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

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

Underwood Fruit and Warehouse Retirement Savings Plan (WA) $11M · 850
John S. James Co. 401(k) Retirement Plan (GA) $11M · 179
White Pass 401(k) Retirement Plan (AK) $11M · 88
The Ben Lewis Plumbing Profit Sharing Retirement Plan (MD) $11M · 120

Similar participant headcount

Nearest other-state filings by covered participants (275 participants); asset peers above are excluded.

Territorial Savings Bank 401(k) Plan (HI) 275 · 0 off
General Equipment & Supplies, Inc. 401(k) (ND) 275 · 0 off
Caldwell Tanks Profit Sharing 401(k) Plan (KY) 275 · 0 off
Clarity Media Group 401(k) Plan (CO) 275 · 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 Family 401(k) Plan assets move in 2024? ▼

Family 401(k) Plan grew at a solid clip - up 13.5% during 2024, from $9M to $11M. Reported net income was $1M.

How have Diamond Environmental Services, LP plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Diamond Environmental Services, LP's sponsor-wide assets grew 37.1%, from $8M to $11M.

Which 401(k) plans are similar in size to Family 401(k) Plan? ▼

Among 401(k) plans in other states, the closest by assets is Underwood Fruit and Warehouse Retirement Savings Plan in WA ($11M, 850 participants).

Which 401(k) plans cover a similar participant headcount to Family 401(k) Plan? ▼

Among 401(k) plans in other states, the closest by covered participants is Territorial Savings Bank 401(k) Plan in HI (275 participants, $43M 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 330766453.