401(k) · DOL Form 5500 · 2023

Williams Tank Lines, LLC 401(k) Plan

Data updated 2026-08-25

$36M
Total assets Below avg plan size
312
Participants Below avg headcount
82nd
Percentile by assets National rank
$114,690
Avg per participant Below avg balance/head
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Official DOL plan name: Williams Tank Lines 401(k) Plan · Sponsored by Williams Tank Lines, LLC · California · Transportation & Warehousing

$36M in assets, 312 participants

Williams Tank Lines, LLC's Williams Tank Lines 401(k) Plan reported $36M in total assets and 312 participants in its 2023 DOL Form 5500 filing, ranking in the 82nd 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.

  • #2,697 in Transportation & Warehousing (3,362 peers)

Coverage in California

Williams Tank Lines 401(k) Plan covers 312 participants in California, about 50% of the average California filer (state average ~630 per filing). Assets: $36M.

#2,697
in Transportation & Warehousing (3,362 peers)
+13.8%
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 2023 · DOL Form 5500

$35,783,363 Top 18% higher than 82% of 127,068 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 2023

Williams Tank Lines 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. Williams Tank Lines 401(k) Plan sits mid-pack in the medium band (312 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Williams Tank Lines 401(k) Plan reported net income rose from -$3M in the plan year 2022 filing to $4M in the plan year 2023 filing.
  • Williams Tank Lines 401(k) Plan end-of-year assets rose from $31M in the plan year 2022 filing to $36M in the plan year 2023 filing.

See the national 2022→2023 release diff →

EBSA filing schedule strip

Filing strip 942514319 · Williams Tank Lines, LLC PY 2023 · 401(k)

Williams Tank Lines 401(k) Plan · $36M · 312 · 82nd

  • BOOK $36M
  • BOOK 312
  • BOOK 82nd
  • BOOK 401(k)
  • BOOK near Phoebe-Devitt Homes 401(k) Retirement Savings Plan
  • BOOK ind #2697

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

Ingalls Health System Smart Money Employer Contribution PlanIngalls Health System Smart …$36MWilliams Tank Lines 401(k) PlanWilliams Tank Lines 401(k) P…$36MPhoebe-Devitt Homes 401(k) Retirement Savings PlanPhoebe-Devitt Homes 401(k) R…$36MLa Semi 401(k) Plan$36MReinke Manufacturing Company, Inc. 401(k) PlanReinke Manufacturing Company…$36M
End-of-year total assets ($M) among Williams Tank Lines 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

California filing particulars

Total Assets (Beginning of Year)$31M
Net Assets (End of Year)$36M
Net Income$4M
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. -50000050000100000150000200000250000 -200204060 Total assets ($B) Participants Williams Tank Lines 401(k) Plan, Total assets ($B): 0.035783363 · Participants: 312Williams Tank Lines 401(k) PlanWells Fargo & Company 401(k) Plan, Total assets ($B): 51.831350351 · Participants: 193919Wells Fargo & Company 401(k) PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 39.047152408 · Participants: 122867Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 26.320437734 · Participants: 63105Oracle Corporation 401(k) Savings and Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 22.17918189 · Participants: 59863Intel 401(k) Savings PlanApple 401(k) Plan, Total assets ($B): 19.779511539 · Participants: 106111Apple 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 Phoebe-Devitt Homes 401(k) Retirement Savings Plan in PA ($36M); by covered participants it is Power Auto Inc. 401(k) Plan in OR (312 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (312 participants); asset peers above are excluded.

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 Williams Tank Lines 401(k) Plan assets move in 2023? ▼
Williams Tank Lines 401(k) Plan grew at a solid clip - up 13.8% during 2023, from $31M to $36M. Reported net income was $4M.
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 82nd percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (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 Phoebe-Devitt Homes 401(k) Retirement Savings Plan in PA ($36M, 999 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 Power Auto Inc. 401(k) Plan in OR (312 participants, $6M 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 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.