401(k) · DOL Form 5500 · 2024

Williams Tank Lines, LLC 401(k) Plan

Data updated 2026-08-25

$38M
Total assets Below avg plan size
322
Participants Below avg headcount
81st
Percentile by assets National rank
$116,480
Avg per participant Below avg balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Williams Tank Lines 401(k) Plan · Sponsored by Williams Tank Lines, LLC · California · Transportation & Warehousing

$38M in assets, 322 participants

Williams Tank Lines, LLC's Williams Tank Lines 401(k) Plan reported $38M in total assets and 322 participants in its 2024 DOL Form 5500 filing, ranking in the 81st 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.

  • #2,618 in Transportation & Warehousing (3,299 peers)

Where Williams Tank Lines 401(k) Plan sits by assets

Williams Tank Lines 401(k) Plan sits in the top quartile of all filed plans by assets, $38M for 322 participants (~$116,480/participant), up 4.8% in 2024.

#2,618
in Transportation & Warehousing (3,299 peers)
+4.8%
assets growth YoY
0.4×
vs typical plan assets (national mean)

Williams Tank Lines 401(k) Plan's outsized position by total assets

Williams Tank Lines 401(k) Plan vs every filed plan by assets

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

$37,506,613 Top 19% higher than 81% 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

Williams Tank Lines 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. Williams Tank Lines 401(k) Plan sits mid-pack in the medium band (322 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Williams Tank Lines 401(k) Plan reported net income fell from $4M in the plan year 2023 filing to $2M in the plan year 2024 filing.
  • Williams Tank Lines 401(k) Plan end-of-year assets rose from $36M in the plan year 2023 filing to $38M in the plan year 2024 filing.
  • Williams Tank Lines 401(k) Plan reported participants rose from 312 in the plan year 2023 filing to 322 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 942514319 · Williams Tank Lines, LLC PY 2024 · 401(k)

Williams Tank Lines 401(k) Plan · $38M · 322 · 81st

  • BOY $38M
  • BOY 322
  • BOY 81st
  • BOY 401(k)
  • BOY near Vertexone 401(k) Plan
  • BOY ind #2618

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 Transportation & Warehousing retirement plans → · Plans in California →

Williams Tank Lines 401(k) Plan in the asset neighbourhood

Williams Tank Lines 401(k) PlanWilliams Tank Lines 401(k) P…$38MAmerican Fuji Seal, Inc. Union 401(k) PlanAmerican Fuji Seal, Inc. Uni…$38MGorham Savings Bank 401(k) Incentive Savings PlanGorham Savings Bank 401(k) I…$38MVertexone 401(k) Plan$38MU.a. Plumbers & Steamfitters Defined Contribution and 401(k) Plan of TexasU.a. Plumbers & Steamfitters…$37M
End-of-year total assets ($M) among Williams Tank Lines 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$36M
Net Assets (End of Year)$38M
Net Income$2M
Employer EIN942514319
Plan Effective Date1979-07-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Williams Tank Lines, LLC)

Sponsor-wide plan assets over time

All Williams Tank Lines, LLC plans reported in each filing year

Latest sponsor-wide plan assets
$38M 19.331706911533303% vs 2022
2024 filing year
$30M$32M$34M$36M$38M$40M 202220232024 $31.4M $37.5M ▲ +19.3%
Year Plans Participants Total Assets
2022 1 315 $31M
2023 1 312 $36M
2024 1 322 $38M

Nearby 401(k) Plans in California

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

Williams Tank Lines 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Williams Tank Lines 401(k) Plan, Total assets ($B): 0.037506613 · Participants: 322Williams Tank Lines 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
Williams Tank Lines 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Williams Tank Lines 401(k) Plan side-by-side with 3 peers →

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

Outside California, the nearest 401(k) by assets is Vertexone 401(k) Plan in TX ($38M); by covered participants it is Superior Brokerage Services, Inc. 401(k) Plan in MN (322 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (322 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 Williams Tank Lines 401(k) Plan assets move in 2024? ▼
Williams Tank Lines 401(k) Plan edged up modestly - up 4.8% during 2024, from $36M to $38M. Reported net income was $2M.
How have Williams Tank Lines, LLC plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Williams Tank Lines, LLC's sponsor-wide assets grew 19.3%, from $31M to $38M.
Where does Williams Tank Lines 401(k) Plan rank by assets among Form 5500 filers? ▼
Williams Tank Lines 401(k) Plan ranks in the 81st percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Williams Tank Lines 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Vertexone 401(k) Plan in TX ($38M, 235 participants).
Which 401(k) plans cover a similar participant headcount to Williams Tank Lines 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Superior Brokerage Services, Inc. 401(k) Plan in MN (322 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 942514319.

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.